Years:
2011,
2010,
2009,
2008,
2007,
2006,
2005,
2004,
2003,
2002,
2001,
2000,
1999,
1998,
1997-1990
2011
Direct detection of Upsilon Andromedae b in polarized light:
Planet size and density revealed
Berdyugina S.V., Berdyugin A.V., Piirola V.
2011, ApJ, submitted
Polarized reflected light from the exoplanet HD189733b:
First multicolor observations and confirmation of detection
Berdyugina S.V., Berdyugin A.V., Fluri D.M., Piirola V.
2011, ApJL, 728, L6-L10
PDF (0.2 Mb)
First detection of a weak magnetic field on the giant Arcturus.
Remnants of a solar dynamo?
Sennhauser C., Berdyugina S.V.
2011, A&A, in press,
PDF (0.1 Mb)
Solar turbulent magnetic fields: Non-LTE modeling of the Hanle effect
in the C2 molecule
Kleint L., Shapiro A.I., Berdyugina S.V., Bianda M.
2011, A&A, in press
NLTE modeling of Stokes vector center-to-limb variations in the CN violet system
Shapiro A.I., Fluri D.M., Berdyugina S.V., Bianda M., and Ramelli R.
2011, A&A, in press
PDF (0.4 Mb)
M dwarf magnetic field measurements from a novel quantum mechanical treatment of the Zeeman effect in FeH
Afram N., Reiners A., Berdyugina S.V.
2011, A&A, submitted
Dynamo mechanisms of active longitudes and flip-flops
Fluri D.M., Berdyugina S.V.
2011, A&A, submitted
Chemical composition of the RS CVn-type star 33 Pisces
Barisevicius, G., Tautvaisiene, G., Berdyugina, S., Chorniy, Y., Ilyin, I.
2011, Balt. Astron., in press
Sunspot umbra model atmospheres
Wenzel, R., Berdyugina, S.V., Fluri, D.M., Arnaud, J., Sainz Dalda, A.
2011, A&A, submitted
Sunspot umbrae: from small to large
Wenzel, R., Fluri, D.M., Berdyugina, S.V.
2011, A&A, submitted
Polarimetry of cool atmospheres: From the Sun to exoplanets
Berdyugina S.V.
2011, Solar Polarization Workshop 6,
eds. J. Kuhn et al., ASP Conf. Ser., 437, 219-235
PDF (1.0 Mb)
Zeeman Component Decomposition (ZCD): Common line profile
and magnetic field reconstruction from polarized spectra
Sennhauser C., Berdyugina S.V.
2011, Solar Polarization Workshop 6,
eds. J. Kuhn et al., ASP Conf. Ser., 437, 173-179
Magnetic field detection on late-type giants from Zeeman Component Decomposition
Sennhauser C., Berdyugina S.V.
2011, 16th Cambridge Workshop on Coll Stars, Stellar systems and the Sun,
eds. C. Johns-Krull et al., ASP Conf. Ser., in press
PDF (1.0 Mb)
Aspects on multi-dimensional modelling of substellar atmospheres
Helling Ch., E. Pedretti E., Berdyugina S.V., Vidotto A., Beeck B.,
Baron E., Showman A., Agol E., Homeier D.
2011, 16th Cambridge Workshop on Coll Stars, Stellar systems and the Sun,
eds. C. Johns-Krull et al., ASP Conf. Ser., in press
PDF (1.0 Mb)
2010
Solar turbulent magnetic fields: Surprisingly homogeneous
distribution during the solar minimum
Kleint L., Berdyugina S.V., Shapiro A.I., Bianda M.
A&A, 2010, 524, A37
PDF (0.2 Mb)
Orbital parameters of exoplanets deduced from polarimetry
Fluri D.M., Berdyugina S.V.
2010, A&A, 512, A59
PDF (440 kb)
GJ 841B - the second DQ white dwarf with polarized CH molecular bands
Vornanen T., Berdyugina S.V., Berdyugin A.V., Piirola V.
ApJL, 2010, 720, L52-L55
PDF (1.0 Mb)
Zeeman component decomposition for recovering common profiles and magnetic fields
Sennhauser, C., Berdyugina, S.V.
A&A, 2010, 522, A57
PDF (0.2 Mb)
A synoptic program for large solar telescopes:
Cyclic variation of turbulent magnetic fields
Kleint L., Berdyugina S.V., Gisler D., Shapiro A.I., Bianda M.
AN, 2010, 331, 644-647
PDF (0.2 Mb)
Imaging of stellar surfaces with the Occamian approach and LSD technique
Järvinen, S.P., Berdyugina S.V.
A&A, 2010, 521, A86
PDF (1.0 Mb)
Chemical composition of the RS CVn-type star Lambda Andromedae
Barisevicius, G., Tautvaisiene, G., Berdyugina, S., Chorniy, Y., Ilyin, I.
2010, Balt. Astron., 19, 157-167
PDF (1.0 Mb)
Chemical composition of the RS CVn-type star 29 Dra
Tautvaisiene, G., Barisevicius, G., Berdyugina, S., Chorniy, Y., Ilyin, I.
2010, Balt. Astron., 19, 95-110
PDF (1.0 Mb)
Quiet-sun intensity contrasts in the near-ultraviolet as measured from SUNRISE
Hirzberger, J., Feller, A., Riethmüller, T.L., Schüssler, M., Borrero, J.M., Afram, N., Unruh, Y.C., Berdyugina, S.V., Gandorfer, A., Solanki, S.K., Barthol, P., Bonet, J.A., Martínez Pillet, V., Berkefeld, T., Knölker, M., Schmidt, W., Title, A.M.
2010, ApJL, 723, L154-L158
PDF (1.0 Mb)
Polarimetry of cool atmospheres: From the Sun to exoplanets
Berdyugina S.V.
2010, Solar Polarization 6,
eds. J. Kuhn et al., ASP Conf. Ser., in press
PDF (1.0 Mb)
Turbulent magnetic fields in the quiet Sun: A search for cyclic variations
Kleint L., Berdyugina S.V., Shapiro A.I., Bianda M.
2010, in SOHO-23: Understanding a Peculiar Solar Minimum
eds. S. Cranmer, T. Hoeksema, J. Kohl, ASP Conf. Ser., 428, 103
PDF (0.2 Mb)
Zeeman Component Decomposition (ZCD) of polarized spectra:
Application for the quiet Sun internetwork magnetic field
Sennhauser C., Berdyugina S.V.
2010, in SOHO-23: Understanding a Peculiar Solar Minimum
eds. S. Cranmer, T. Hoeksema, J. Kohl, ASP Conf. Ser., 428, 113
PDF (0.2 Mb)
Sunspot umbra atmosphere from full Stokes inversion
Wenzel R., Berdyugina S.V., Fluri D.M., Arnaud J., Sainz-Dalda A.
2010, in SOHO-23: Understanding a Peculiar Solar Minimum
eds. S. Cranmer, T. Hoeksema, J. Kohl, ASP Conf. Ser., 428, 117
PDF (0.2 Mb)
Commission 36: Theory of Stellar Atmospheres
Asplund, M., Puls, J., Landstreet, J., Allende Prieto, C., Ayres, T., Berdyugina, S., Gustafsson, B., Hubeny, I., Ludwig, H.G., Mashonkina, L., Randich, S.
2010, in Transactions IAU, 6, T27, 197-198
2009
First measurement of the magnetic field on FK Com and its relation to the contemporaneous starspot locations
Korhonen, H., Hubrig, S., Berdyugina, S.V., Granzer, Th., Hackman, T., Schoeller, M., Strassmeier, K.G., Weber, M.
2009, MNRAS, 395, 282-289
PDF (3 Mb)
Deblending Nonlinear Deconvolution: A new analyzing technique for spectroscopy
Sennhauser C., Berdyugina S.V., Fluri D.M.
A&A, 2009, 507, 1711-1718
PDF (1.0 Mb)
Stellar magnetic fields across the H-R diagram: Observational evidence
Berdyugina S.V.
2009, in Cosmic Magnetic Fields: from Planets, to Stars and Galaxies, IAU Symp. 259,
eds. K.G. Strassmeier, A.G. Kosovichev, and J. Beckmann, 323-332
PDF (0.2 Mb)
FeH - a valuable magnetic diagnostic tool
Afram N., Berdyugina S.V., Fluri D.M.
2009, in Solar Polarization Workshop 5, eds. S.V. Berdyugina, K.N. Nagendra and R.Ramelli, ASP Conf. Ser., 405, 349-354
Magnetic fields on M dwarfs measured with FeH
Afram N., Reiners A., Berdyugina S.V.
2009, in Solar Polarization Workshop 5, eds. S.V. Berdyugina, K.N. Nagendra and R.Ramelli, ASP Conf. Ser., 405, 527-530
Zeeman-Doppler Imaging of stellar magnetic fields with atomic and molecular lines
Sennhauser C., Berdyugina S.V., Fluri D.M.
2009, in Solar Polarization Workshop 5, eds. S.V. Berdyugina, K.N. Nagendra and R.Ramelli, ASP Conf. Ser., 405, 543-546
Solar magnetic field diagnostics with the molecular Hanle effect
Shapiro A.I., Fluri D.M., Berdyugina S.V.
2009, in Solar Polarization Workshop 5, eds. S.V. Berdyugina, K.N. Nagendra and R.Ramelli, ASP Conf. Ser., 405, 343-348
LSD - a nonlinear approach
Sennhauser C., Berdyugina S.V., Fluri D.M.
2009, in the 15th Cambridge workshop on Cool Stars, Stellar Systems, and the Sun, AIP Conf. Ser., 1094, 732-735
FeH and its capability to measure magnetic fields on M dwarfs
Afram N., Reiners A., Berdyugina S.V.
2009, in the 15th Cambridge workshop on Cool Stars, Stellar Systems, and the Sun, AIP Conf. Ser., 1094, 704-707
Correlating the starspot distributions and the photometric activity cycles on two young solar analogues
Järvinen S.P., Korhonen H., Berdyugina S.V., Ilyin I.
2009, in the 15th Cambridge workshop on Cool Stars, Stellar Systems, and the Sun, AIP Conf. Ser., 1094, 660-663
2008
First detection of polarized scattered light from an exoplanetary atmosphere
Berdyugina S.V., Berdyugin A.V., Fluri D.M., Piirola V.,
2007, ApJ, 673, L83-L86
PDF (360 kb)
The FeH F4Δ-X4Δ system.
Creating a valuable diagnostic tool to explore solar and stellar magnetic fields
Afram N., Berdyugina S.V., Fluri D.M., Solanki S.K., Lagg A.
2008, A&A, 482, 387-395
PDF (360 kb)
Magnetic activity on V889 Herculis. Combining photometry and spectroscopy
Järvinen S.P., Korhonen H., Berdyugina S.V., Ilyin I., Strassmeier K.G., Weber M., Savanov I., Tuominen I.
A&A, 2008, 488, 1047-
PDF (1.0 Mb)
Searching for links between magnetic fields and stellar evolution
III. Measurement of magnetic fields in open cluster Ap stars with ESPaDOnS
Landstreet J.D., Silaj J., Andretta V., Bagnulo S., Berdyugina S.V. , Donati J.-F., Fossati L., Petit P., Silvester J., and Wade G.A.
2008, A&A, 481, 465-480
PDF (70 kb)
First direct detection of magnetic fields in starspots and stellar chromospheres
Berdyugina S.V., Fluri D., Afram N., Suwald F., Petit P., Arnaud J., Harrington D.M., Kuhn J.R.
2008, in the 14th Cambridge workshop on Cool Stars, Stellar Systems, and the Sun, eds. G. van Belle,
ASP Conf. Ser., 384, 175-
Commission 36: Theory of Stellar Atmospheres
Landstreet J.D., Asplund M., Spite M., Balachandran S.B., Berdyugina, S.V. Hauschildt P.H., Ludwig H.G.,
Mashonkina L.I., Nagendra K.N., Puls J., Randich M.S., Tautvaisiene G.
2008, Transactions IAU, Vol. 4, Issue 27A, Reports on Astronomy 2006-2009,
ed. K. van der Hucht, Cambridge: Cambridge University Press, 222-227
2007
A new mechanism for polarizing light from obscured stars
Kuhn J.R., Berdyugina S.V., Fluri D.M., Harrington D.M., Stenflo J.O.
2007, ApJL, 668, L63-L66
PDF (70 kb)
Molecular dichroism in spectra of white dwarfs
Berdyugina S.V., Berdyugin A.V., Piirola V.
2007, Phys. Rev. Lett., 99, 091101
PDF (1 Mb)
First polarimetric observations and modeling of the FeH F4D-X4D system
Afram N., Berdyugina S.V., Fluri D.M., Semel M., Bianda M., Ramelli R.
2007, A&A, 473, L1-L4
PDF (0.1 Mb)
Starspots and relativity: Applied Doppler imaging for the Gravity Probe B mission
Marsden S.C., Berdyugina S.V., Donati J.-F., Eaton J.A., Williamson M.H.
2007, AN, 328, 1047-1049
Hanle effect in the CN violet system with LTE modeling
Shapiro A.I., Berdyugina S.V., Fluri D.M., Stenflo J.O.
2007, A&A, 475, 349-357
PDF (1.0 Mb)
EK Draconis: Magnetic activity in the photosphere and chromosphere
Jarvinen S.P., Berdyugina S.V., Korhonen H., Ilyin I., Tuominen I.
2007, A&A, 472, 887-895
PDF (0.8 Mb)
Butterfly diagram and activity cycles in HR 1099
Berdyugina S.V., G.W. Henry
2007, ApJL, 659, L157-L160
PDF (0.1 Mb)
Erratum: (1) Preferred longitudes in sunspot activity
(2) Preferred sunspot longitudes: non-axisymmetry and differential rotation
Usoskin I.G., Berdyugina S.V., Poutanen J.
2007, A&A, 464, 761
PDF (30 kb)
Molecular Hanle effect in the Paschen-Back regime
Shapiro A.I., Fluri D.M., Berdyugina S.V., Stenflo J.O.
2007, A&A, 461, 339-349
PDF (1.0 Mb)
Study of FK Comae Berenices. V. The surface differential roation
Korhonen H., Berdyugina S.V., Hackman, T., Ilyin, I.V.,
Strassmeier, K.G., Tuominen I.
2007, A&A, 476, 881-891
Long-term persistence of solar active longitudes and its implications for the solar dynamo theory
Usoskin I.G., Berdyugina S.V., Moss D., Sokoloff D.
2007, Adv. Space Res., 40, 951-958
PDF (0.7 Mb)
Preferred longitudes in solar and stellar activity
Berdyugina S.V.
2007, Mem. Soc. Astron. It., 78, 242-246
PDF (1.7 Mb)
Broad-band molecular polarization in white dwarfs
Berdyugina S.V., Berdyugin A.V., Piirola V., Shapiro A.
2007, in 15th European White Dwarf Workshop, ASP Conf. Ser., 372, 177-182
PDF (0.6 Mb)
Flip-flop cycles in solar and stellar activity
Berdyugina S.V.
2007, in Highlights of Astronomy, vol. 14, XXVIth IAU General Assembly, ed. K.A. van der Hucht,
Cambridge: Cambridge University Press, 275-276
PDF (1.5 Mb)
Molecular Hanle effect in the Paschen-Back regime: theory and applications
Shapiro A.I., Berdyugina S.V., Fluri D.M., Stenflo J.O.
2007, in Modern Solar Facilities -- Advanced Solar Science, eds. F. Kneer,
K.G. Puschmann, and A.D. Wittmann, Universitaetsverlag Goettingen, 317-320
PDF (0.5 Mb)
Spectro-polarimetry of a sunspot simultaneously in atomic and molecular lines
Arnaud J., Berdyugina S.V., Fluri D.M., Afram N.
2007, Mem. Soc. Astron. It., 78, 89-91
PDF (1. Mb)
2006
The Search for Polarization Variability in IM Pegasi
Berdyugin A.V., Berdyugina S.V., Piirola V., Butkevich A.G.
2006, ApJ, 651, 475-480
PDF (0.2 Mb)
First polarimetric measurements and modeling of the Paschen-Back effect in CaH transitions
Berdyugina S.V., Fluri D.M., Ramelli R., Bianda M., Gisler D., Stenflo J.O.
2006, ApJ, 649, L49
PDF (1.1 Mb)
Active longitudes, nonaxisymmetric dynamos and phase mixing
Berdyugina S.V., Moss D., Sokoloff D., Usoskin I.G.
2006, A&A, 445, 703
PDF (1.0 Mb)
Detection of the Molecular Zeeman Effect in Circular Polarization
on Cool Active Stars
Berdyugina S.V., Petit P., Fluri D., Afram N., Arnaud J.
2006, in Solar Polarization Workshop 4, eds. R. Casini and B.
Lites, ASP Conf. Ser., vol. 358, p. 381-384
PDF (0.6 Mb)
The Molecular Paschen-Back effect
Berdyugina S.V., Fluri, D.M., Solanki S.K.,
2006, in Solar Polarization Workshop 4, eds. R. Casini and B.
Lites, ASP Conf. Ser., vol. 358, p. 329-332
PDF (0.3 Mb)
Molecular diagnostics of the internal structure of starspots and sunspots
Afram N., Berdyugina S.V., Fluri D.M., Solanki S.K.,
Petit P., Arnaud J.,
2006, in Solar Polarization Workshop 4, eds. R. Casini and B.
Lites, ASP Conf. Ser., vol. 358, p. 375-380
PDF (0.4 Mb)
Hanle effect in the Paschen-Back regime
Shapiro A., Fluri D.M., Berdyugina S.V., Stenflo J.O.,
2006, in Solar Polarization Workshop 4, eds. R. Casini and B.
Lites, ASP Conf. Ser., vol. 358, p. 311-316
PDF (0.3 Mb)
Applied Doppler imaging: Can magnetic activity of IM Pegasi affect
the Gravity Probe mission
Berdyugina S.V., Marsden S.C.
2006, in Solar Polarization Workshop 4, eds. R. Casini and B.
Lites, ASP Conf. Ser., vol. 358, p. 385-388
PDF (0.4 Mb)
Spectro-polarimetry of a sunspot in atomic and molecular lines with
THEMIS
Arnaud J., Berdyugina S.V., Fluri D.M., Afram N., Solanki S.K.,
Raouafi N.-E.
2006, in Solar Polarization Workshop 4, eds. R. Casini and B.
Lites, ASP Conf. Ser., vol. 358, p. 319-322
PDF (0.6 Mb)
2005
Starspots: A key to the stellar dynamo
Berdyugina S.V.
2005, Living Rev. Solar Phys., 2, 8
On-line
PDF (1.2 Mb)
The molecular Zeeman effect and diagnostics of solar and stellar
magnetic
fields. III. Theoretical spectral patterns in the Paschen-Back regime
Berdyugina S.V., Braun P.A., Fluri D.M., Solanki S.K.
2005, A&A, 444, 947-960
PDF (1.7 Mb)
A sun in the spectroscopic binary IM Pegasi, the guide star for the
Gravity Probe B mission
Marsden S.C., Berdyugina S.V., Donati J.-F., Eaton J.A., Williamson
M.H., Ilyin I., Fischer D.A., Munoz M., Isaacson H., Ratner M.I., Semel
M., Petit P., Carter B.D.
2005, ApJ, 634, L173-L176
PDF (0.2 Mb)
Preferred sunspot longitudes: non-axisymmetry and differential
rotation
Usoskin I.G., Berdyugina S.V., Poutanen J.
2005, A&A, 441, 347-352
PDF (1.2 Mb)
Spots on EK Draconis. Active longitudes and cycles from long-term
photometry
Jarvinen S.P., Berdyugina S.V., Strassmeier K.G
2005, A&A, 440, 735-741
PDF (0.6 Mb)
Evolution and rotation of large-scale photospheric magnetic fields of
the
Sun during cycles 21-23. Periodicities, north-south asymmetries and r-mode
signatures
Knaack R., Stenflo J.O., Berdyugina S.V.
2005, A&A, 438, 1067-1082
PDF (3.1 Mb)
Spot activity cycles and flip-flops on young solar analogs
Berdyugina S.V., Jarvinen S.P.
2005, AN, 326, 283-286
PDF (0.2 Mb)
Magnetic activity in the young solar analog AB Dor: Active
longitudes
and cycles from long-term photometry
Jarvinen S.P., Berdyugina S.V., Tuominen I., Cutispoto G., Bos, M.
2005, A&A, 432, 657-664
PDF (0.7 Mb)
Large-scale magnetic fields on the Sun and cool stars
Berdyugina S.V.
2005, in The 22nd International NSO/SP Workshop "Large-scale
structures and their role in solar activity", eds. K. Sankarasubramanian,
M. Penn and A. Pevtsov, ASP Conf. Ser., 346, 159-166
PDF (0.6 Mb)
Flip-flops as observational signatures of different dynamo modes
in the Sun and cool stars
Fluri D.M., Berdyugina S.V.
2005, in The 22nd International NSO/SP Workshop "Large-scale
structures and their role in solar activity", eds. K. Sankarasubramanian,
M. Penn and A. Pevtsov, ASP Conf. Ser., 346, 167-173
PDF (0.5 Mb)
Surface differential rotation on FK Com
Korhonen H., Berdyugina S.V., Tuominen I.
2005, "Surface differential rotation on FK Com", in The 13th
Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, eds. F.
Favata & J. Schmidt, ESA SP-560, 719-722
PDF (0.7 Mb)
2004
Non-axisymmetric magnetic fields and flip-flops on the Sun and
cool stars
Berdyugina S.V.
2004, Sol. Phys., 224, 123-131
PDF (0.6 Mb)
Flip-flops as observational signatures of different dynamo modes
in cool stars
Fluri D.M., Berdyugina S.V.
2004, Sol. Phys., 224, 153-160
PDF (0.5 Mb)
Evidence for Hanle effect in molecular lines
Berdyugina S.V., Fluri D.M.
2004, A&A, 417, 775-784
PDF_file (0.3 Mb)
G-band spectral synthesis and diagnostics of simulated solar
magneto-convection
Shelyag S., Schuessler M., Solanki S.K., Berdyugina S., and Voegler A.
2004, A&A, 427, 335-343
PDF_file (0.3 Mb)
Periodic oscillations in the north-south asymmetry of the solar magnetic
field
Knaack R., Stenflo J.O., Berdyugina S.V.
2004, A&A, 418, L17-L20
PDF_file (0.7 Mb)
Thermal-magnetic relation in a sunspot and a map of its Wilson
depression
Mathew S.K., Solanki S.K., Lagg A., Collados M.,
Borrero J.M., Berdyugina S.V.
2004, A&A, 422, 693-701
PDF_file (1.1 Mb)
Tomography of stellar non-radial pulsations
Berdyugina S.V.
2004, Astron. Nachr., 325, 237-240
PDF_file (1.1 Mb)
Spots on FK Com: active longitudes and "flip-flops"
Korhonen H., Berdyugina S.V., Tuominen I.
2004, Astron. Nachr., 325, 000
PS_file (0.3 Mb)
First evidence for Hanle effect in molecular lines
Fluri D.M., Berdyugina S.V.
2004, in Stars as Suns: Activity, Evolution, and Planets, IAU Symp.
219, eds. A. Benz, A. Dupree, p. 674
PS_file (0.3 Mb)
Persistent active longitudes in sunspot activity: Sun-as-a-star approach
Berdyugina S.V., Usoskin I.G.
2004, in Stars as Suns: Activity, Evolution, and Planets, IAU Symp.
219, eds. A. Benz, A. Dupree, p. 128
PS_file (1.6 Mb)
Active longitudes and magnetic cycles on AB Dor
Berdyugina S.V., Jarvinen S.P., Tuominen I.
2004, in Stars as Suns: Activity, Evolution, and Planets, IAU Symp.
219, eds. A. Benz, A. Dupree, p. 848
PS_file (2.9 Mb)
Magnetic cycles and rotation in active late-type stars
Tuominen I., Berdyugina S.V., Korpi M.J.,
2004, IAU Symp. 215, "Stellar Rotation", eds. A. Maeder and P.
Eenens, 289-292
2003
Why solar magnetic flux concentrations are bright in molecular bands
Schuessler M., Shelyag S., Berdyugina S., Voegler A., and
Solanki S.K.
2003, ApJ, 597, L173-L176
PDF_file (0.2 Mb)
The molecular Zeeman effect and diagnostics of solar and
stellar magnetic fields II. Synthetic Stokes profiles in the Zeeman regime
Berdyugina S.V., Solanki S.K., Frutiger C.
2003, A&A, 412, 513-527
PDF_file (0.7 Mb)
Three dimentional structure of a regular sunspot from the
inversion of IR Stokes profiles
Mathew S.K., Lagg A., Solanki S.K., Collados M., Borrero J.M.,
Berdyugina S.V., Krupp N., Woch J., Frutiger C.
2003, A&A, 410, 695-710
PDF_file (1.7 Mb)
Active longitudes in sunspot activity: Century scale persistence
Berdyugina S.V., Usoskin I.G.
2003, A&A, 405, 1121-1128
PDF_file (0.2 Mb)
The observation of sunspot light-bridge structure and dynamics
Berger T.E., Berdyugina S.V.,
2003, ApJ, 589, L117-L121
PDF_file (0.8 Mb)
Surface imaging of stellar non-radial pulsations.
I. Inversions of simulated data
Berdyugina S.V., Telting J.H, Korhonen H.
2003, A&A, 406, 273-280
PDF_file (2.2 Mb)
Surface imaging of stellar non-radial pulsations.
II. The Beta Cephei star Omega^1 Sco
Berdyugina S.V., Telting J.H, Korhonen H., Schrijvers C.
2003, A&A, 406, 281-285
PDF_file (0.7 Mb)
Molecules as diagnostics of solar and stellar magnetic fields
Berdyugina S.V., Solanki S.K., Stenflo J.O.
2003, Third International Workshop on "Solar Polarization",
eds. J. Trujillo Bueno and J. Sanchez Almeida, ASP Conf. Ser.,
V. 307, p. 181-194
PS_file (1.5 Mb)
Structure of a simple sunspot from the inversion of IR spectral data
Mathew S.K., Solanki S.K., Lagg A., Collados M., Berdyugina
S.V., Frutiger C., Krupp N., Woch J.
2003, AN, 324, 388-389
PDF_file (0.1 Mb)
On the longitudinal spot distribution on FK Com in 1998
Korhonen H., Berdyugina S.V., Tuominen I.
2003, IAU Symp. 210 "Modelling of Stellar Atmospheres",
eds. N.E. Piskunov, W.W. Weiss, D.F. Gray, in press
PS_file (1.0 Mb)
Molecular Lines as Diagnostics of Solar and Stellar Magnetic Fields
Berdyugina S.V., Solanki S.K., Lagg A.
2003, The Future of Cool-Stars Astrophysics: 12th Cambridge
Workshop on Cool Stars, Stellar Systems, and the Sun, eds. A. Brown,
G.M. Harper, T.R. Ayres, Univ. Colorado, p. 210-219
PDF_file (0.6 Mb)
New Molecular Indicators of Sunspot Magnetic Fields: Infrared OH lines
Berdyugina S.V., Solanki S.K., Lagg A.
2003, The 21st NSO/SP Workshop "Current theoretical models and
future high resolution solar observations: Preparing for ATST",
eds. A. Pevtsov, H. Uitenbroek, ASP Conf. Ser., Vol. 286, 299-305
PS_file (1.0 Mb)
Mapping non-radial pulsations using surface imaging method
Berdyugina S.V., Korhonen H., Telting J.H., Schrijvers,
2003, Comm. in Asteroseismology, Vol. 144
PS_file (1.4 Mb)
2002
Sunspot and starspot interiors as seen from molecular lines
Berdyugina S.V.
2002, Astron. Nachr., 323, 192-195
PDF_file (0.3 Mb)
Starspot cycles from Doppler imaging and photometric time
series as nonlinear dynamo
Tuominen I., Berdyugina S.V., Korpi M.
2002, Astron. Nachr., 323, 367
PDF_file (0.3 Mb)
Magnetic activity in the young solar analog LQ Hya.
I. Active longitudes and cycles
Berdyugina S.V., Pelt J., Tuominen I.,
2002, A&A, 394, 505-515
PDF_file (1.9 Mb)
Study of FK Comae Berenices
IV. Active longitudes and the "flip-flop" phenomenon
Korhonen H., Berdyugina S.V., Tuominen I.,
2002, A&A, 390, 179-185
PDF_file (0.4 Mb)
Molecular line scattering and magnetic field effects:
Resolution of an enigma
Berdyugina S.V., Stenflo J.O., Gandorfer A.
2002, A&A, 388, 1062-1078,
PDF_file (0.5 Mb)
Detection of the mercapto radical SH in the solar atmosphere
Berdyugina S.V., Livingston W.C.
2002, A&A, 387, L6-L9,
PDF_file (0.2 Mb)
The molecular Zeeman effect and diagnostics of solar and stellar
magnetic fields. I. Theoretical spectral patterns in the Zeeman
regime
Berdyugina S.V., Solanki S.K.
2002, A&A, 385, 701-715,
PDF_file (0.4 Mb)
Persistent active longitudes on the Sun
Berdyugina S.V., Usoskin I.G.
2002, The 1st Potsdam Thinkshop, Sunspots and Straspots,
eds. K.G. Strassmeier, A. Washuettl, Potsdam, p.31
PS_file (0.2 Mb)
Spots on FK Comae
Korhonen H., Berdyugina S.V., Tuominen I.
2002, The 1st Potsdam Thinkshop, Sunspots and Straspots,
eds. K.G. Strassmeier, A. Washuettl, Potsdam, p. 65
PS_file (0.2 Mb)
Thermal magnetic relation of a sunspot from the inversion of IR
spectral data
Mathew S.K., Solanki S.K., Lagg A., Collados M., Berdyugina S.V.,
Frutiger C., Krupp N., Woch J.
2002, The 1st Potsdam Thinkshop, Sunspots and Straspots,
eds. K.G. Strassmeier, A. Washuettl, Potsdam, p.117
PS_file (0.2 Mb)
Thermal-magnetic relation of a sunspot as inferred from the inversion of 1.5
μm spectral data
Mathew S.K., Solanki S.K., Lagg A., Krupp N., Woch J., Collados M.,
Berdyugina S.V., Frutiger C.,
2002, The Magnetic Coupling of the Solar Atmosphere,
Euroconference and IAU Coll. 188, ed. H. Sawaya-Lacoste, ESA SP-505,
Noordwijk, Netherlands: ESA Publications Division, p. 501-503
2001
Zeeman-split opposite-polarity OH lines in sunspot spectra:
Resolution of a puzzle
Berdyugina S.V., Solanki S.K.
2001, A&A, 380, L5-L8,
PDF_file (0.15 Mb)
The first close-up of the ``flip-flop'' phenomenon in
a single star
Korhonen H., Berdyugina S.V., Strassmeier K.G., Tuominen I.
2001, A&A, 379, L30-L33,
PDF_file (0.25 Mb)
Study of FK Comae Berenices.
III. Photometry for the years 1993-2001
Korhonen H., Berdyugina S.V., Tuominen I., et al.
2001, A&A, 374, 1049-1055,
PDF_file (0.87 Mb)
Solar and stellar magnetic fields:
The molecular Zeeman effect as a probe
Berdyugina S.V., Solanki S.K., Frutiger C.
2001, "Magnetic fields
across the Hertzsprung-Russell diagram", eds. G. Mathys, S.K. Solanki and
D.T. Wickramasinghe, ASP Conf. Ser., v. 248, p. 99-104,
PS_file (0.7 Mb)
Magnetic cycles in binaries and single stars
Berdyugina S.V., Korhonen H., Tuominen I.
2001, "Magnetic fields across
the Hertzsprung-Russell diagram", eds. G. Mathys, S.K. Solanki and D.T.
Wickramasinghe, ASP Conf. Ser., v. 248, p. 243-246,
PS_file (0.2 Mb)
Magnetic activity in FK Com
Korhonen H., Berdyugina S.V., Tuominen I.
2001, "Magnetic fields across
the Hertzsprung-Russell diagram", eds. G. Mathys, S.K. Solanki and D.T.
Wickramasinghe, ASP Conf. Ser., v. 248, p. 239-242,
PS_file (0.9 Mb)
The molecular Zeeman effect and solar magnetic fields
Berdyugina S.V., Frutiger C., Solanki, S.K., Livingston W.C.
2001,
in the Proceedings of the 20th NSO/SP Summer Workshop "Advanced Solar Polarimetry
- Theory, Observation, and Instrumentation", ed. M.Sigwarth, ASP Conf.
Ser. Vol. 236, p. 551,
PS_file (0.6 Mb)
Umbral spectra in the ultraviolet via molecular V-Stokes
Livingston W.C., Berdyugina S.V.
2001, in the Proceedings of the 20th
NSO/SP Summer Workshop "Advanced Solar Polarimetry - Theory, Observation,
and Instrumentation", ed. M.Sigwarth, ASP Conf. Ser., Vol. 236, p. 559,
Magnetic Splitting of Molecular Lines in Sunspots
Berdyugina S.V., Frutiger C., Solanki, S.K.
2001, in IAU Symp. 203
"Recent Insights into the Physics of the Sun and Heliosphere: Highlights
from SOHO and other Space Missions", eds. P. Brekke, B. Fleck, and J.B.
Gurman, p. 254,
PS_file (0.3 Mb)
Stellar Activity Cycles
Berdyugina S.V., Tuominen I.
2001, in IAU Symp. 203, "Recent Insights
into the Physics of the Sun and Heliosphere: Highlights from SOHO and other
Space Missions", eds. P. Brekke, B. Fleck, and J.B. Gurman,
II Peg: Spot Activity Cycle
Berdyugina S.V., Berdyugin A.V., Ilyin I., Tuominen I.
2001, in The
Eleventh Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun,
eds. R.J. García López, R. Rebolo, and M. R. Zapatero Osorio,
San Francisco: ASP Conf. Ser., Vol. 223, CD-1195,
PS_file (b&w images) (0.6 Mb)
PS_file (colour images) (0.6 Mb)
IM Peg: First Surface Images
Berdyugina S.V., Berdyugin A.V., Ilyin I., Tuominen I.
2001, in The
Eleventh Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun,
eds. R.J. García López, R. Rebolo, and M. R. Zapatero Osorio,
San Francisco: ASP Conf. Ser., Vol. 223, CD-1201,
PS_file (b&w images) (1.8 Mb)
PS_file (colour images) (1.8 Mb)
LQ Hya: Surface Images for 1993-1999
Berdyugina S.V., Ilyin I., Tuominen I.
2001, in The Eleventh Cambridge
Workshop on Cool Stars, Stellar Systems, and the Sun, eds. R.J. García
López, R. Rebolo, and M. R. Zapatero Osorio, San Francisco: ASP
Conf. Ser., Vol. 223, CD-1207,
PS_file (b&w images) (2.3 Mb)
PS_file (colour images) (2.3 Mb)
Magnetic activity in FK Com
Korhonen H., Berdyugina S.V, Tuominen I.:
2001, in The Eleventh Cambridge
Workshop on Cool Stars, Stellar Systems, and the Sun, eds. R.J. García
López, R. Rebolo, and M. R. Zapatero Osorio, San Francisco: ASP
Conf. Ser., Vol. 223, CD-1257,
PS_file (0.4 Mb)
2000
Successful spectral synthesis of Zeeman-split molecular
bands in sunspot spectra
Berdyugina S.V., Frutiger C., Solanki, S.K., Livingston W.C., 2000,
A&A 364, L101
PDF_file (0.16 Mb)
The long-period RS CVn binary IM Pegasi. II. First surface
images
Berdyugina S.V., Berdyugin A.V., Ilyin I., Tuominen I., 2000, A&A
360, 272
PDF_file (1.9 Mb)
Study of FK Comae Berenices. II. Spot evolution from 1994 to
1997.
Korhonen H., Berdyugina S.V., Hackman T., Strassmeier K.G., Tuominen I.,
2000, A&A 360, 1067
PDF_file (0.9 Mb)
Mapping the Non-Radial Pulsations
Berdyugina S.V., Korhonen H., Schrijvers C., Telting J.H., 2000, in
IAU Coll. 175 "The Be Phenomenon in Early-Type Stars", M.A. Smith, H.F.
Henrichs, J. Fabregat (eds.), ASP Conf. Ser., Vol. 214, p. 268-271
PS_file (2.6 Mb)
1999
The active RS Canum Venaticorum binary II Pegasi.
IV. The spot activity cycle.
Berdyugina S.V., Berdyugin A.V., Ilyin I., Tuominen I., 1999,
A&A 350, 626
PDF_file (1.3 Mb)
The active RS Canum Venaticorum binary II Pegasi.
III. Chromospheric emission and flares in 1994-1996.
Berdyugina S.V., Ilyin I., Tuominen I., 1999, A&A 349, 863
PDF_file (0.5 Mb)
The long-period RS CVn binary IM Pegasi.
I. Orbital and stellar parameters
Berdyugina S.V., Ilyin I., Tuominen I., 1999, A&A 347, 932
PDF_file (0.2 Mb)
Study of FK Comae Berenices.
I. Surface images for 1994 and 1995.
Korhonen H., Berdyugina S.V., Hackman T., Duemmler R., Ilyin I.V.,
Tuominen I., 1999, A&A 346, 101
PDF_file (1.8 Mb)
Nonaxisymmetric stellar dynamos
Tuominen I., Berdyugina S.V., Korpi M.J., Ronty T., 1999, in Stellar
Dynamos: Nonlinearity and Chaotic Flows, M.Nunez and A.Ferriz Mas (eds.),
ASP Conf. Ser., v.178, p.195
Stellar surface structures and their evolution
Berdyugina S.V., 1999, in Proceedings of "Astrophysics with the Nordic
Optical Telescope", eds. H. Karttunen and V. Piirola, University of Turku,
p. 206
PS_file (1.7 Mb)
Doppler imaging of UX Ari
Aarum V., Berdyugina S.V., Ilyin I.V., 1999, in Proceedings of
"Astrophysics with the Nordic Optical Telescope", eds. H. Karttunen
and V. Piirola, University
of Turku, p. 222
PS_file (1.2 Mb)
Surface imaging of FK Comae Berenices
Korhonen H., Berdyugina S.V., Duemmler R., Hackman T., Ilyin I.V.,
Tuominen I.,1999, in Proceedings of "Astrophysics with the Nordic Optical
Telescope", eds. H. Karttunen and V. Piirola, University of Turku, p. 234
PS_file (0.8 Mb)
1998
Permanent active longitudes and activity cycles on RS CVn stars.
Berdyugina S.V., Tuominen I., 1998, A&A 336, L25
PDF_file (0.1 Mb)
The active RS Canum Venaticorum binary II Pegasi.
II. Surface images for 1992-1996.
Berdyugina S.V., Berdyugin A.V., Ilyin I., Tuominen I., 1998,
A&A 340, 437
PDF_file (1.9 Mb)
The active RS Canum Venaticorum binary II Pegasi.
I. Stellar and orbital parameters.
Berdyugina S.V., Jankov S., Ilyin I., Tuominen I., Fekel F.C., 1998,
A&A 334, 863
PDF_file (0.4 Mb)
Surface imaging by the Occamian approach.
Basic principles, simulations, and tests.
Berdyugina S.V., 1998, A&A 338, 97
PDF_file (0.7 Mb)
New photometric and polarimetric observations of the massive
interacting binary KX And.
Berdyugin A.V., Berdyugina S.V., Tarasov A.E., 1998, Ast.Lett. 24, 309
PDF_file (1.1 Mb)
The massive interacting binary KX And: The orbit and physical
parameters of the secondary component
Tarasov A.E., Berdyugina S.V., Berdyugin A.V., 1998, Ast.Lett. 24, 316
PDF_file (0.9 Mb)
Coordinated Observations of the Red Dwarf Flare Star EV LAC in
1994 and 1995.
Abranin, E. P.; Alekseev, I. Yu.; Avgoloupis, S.; Bazelyan, L. L.;
Berdyugina, S. V.; Cutispoto, G.; Gershberg, R. E.; Larionov,
V. M.; Leto, G.; Lisachenko, V. N.; Marino, G.; Mavridis, L. N.;
Messina, S.; Mel'nik, V. N.; Pagano, I.; Pustil'nik, S. V.;
Rodono', M.; Roizman, G. Sh.; Seiradakis, J. H.; Sigal, G. P.;
Shakhovskaya, N. I.; Shakhovskoy, D. N.; Shcherbakov, V. A.,
Astron.&Astrophys. Trans. 17, 221
PDF_file (3.3 Mb)
II Peg: Stellar and Orbital Parameters
Berdyugina S., Ilyin I., Tuominen I., 1998, in ASP Conf. Ser. 154,
The Tenth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun,
eds. R.A. Donahue & J.A. Bookbinder, San Francisco: ASP, p.1384
PS_file (1.4 Mb)
II Peg: New Surface Images for 1992-1996
Berdyugina S., Ilyin I., Tuominen I., 1998, in ASP Conf. Ser. 154,
The Tenth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun,
eds. R.A. Donahue & J.A. Bookbinder, San Francisco: ASP, p.1952
PS_file (1.4 Mb)
II Peg: Quiescent Chromospheric Emission and Flares in 1994-1996
Berdyugina S., Ilyin I., Tuominen I., 1998, in ASP Conf. Ser. 154,
The Tenth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun,
eds. R.A. Donahue & J.A. Bookbinder, San Francisco: ASP, p.1477
PS_file (0.9 Mb)
1990-1997
Modeling the observed chemical anomalies in metallic-line stars:
Effects of spottedness
Savanov I.S., Berdyugina, S.V.
1996, Astr. Rep., 40, 690
On the chemical composition of the G7 IIIa red giant
Eta Piscium
Antipova L.I., Berdyugina S.V., Savanov I.S.
1995, Astr. Rep., 39, 761
Li-rich giants: evidence for convection mixing
Berdyugina S.V., Savanov I.S.
1995, Mem. Soc. Astron. Ital., 66, 425B
PDF_file (0.3 Mb)
Long-Slit Spectroscopy of Comet Shoemaker-Levy 9 Impact Sites
Korsun P.P., Sizonenko Yu.V., Berdyugina S.V., Sergeev S.G.
1995, Proceedings of the European Shoemaker-Levy 9 Conference,
eds. R. West and H. Bhnhardt, ESO Conference and Workshop
Proceedings No. 52, p.219
Shoemaker-Levy 9 Impact with Jupiter: Spectral Peculiarities of the Impact
Sites H, K, L, N, and D+G+S+R Group
Korsun P.P., Sizonenko Yu.V., Sergeev S.G., Berdyugina S.V.
1995, Earth, Moon and Planets, 69, 87
CNO and s-element abundances in the atmospheres of the
binaries AY Cet and RD Dra with active chromospheres: Testing the hypothesis on the formation
of barium stars
Berdyugina S.V.
1994, Astr. Lett., 20, 796
PDF_file (1.1 Mb)
New surface-gravity calibration for G-K giants and subgiants
Berdyugina S.V., Savanov I.S.
1994, Astr. Lett., 20, 755
PDF_file (0.6 Mb)
Photometric and spectroscopic observations of the spotted T Tauri star
V410 Tauri
Petrov P.P., Shcherbakov V.A., Berdyugina S.V., Shevchenko V.S.,
Grankin K.N., Melnikov S.Y.
1994, A&AS, 107, 9
PDF_file (1.9 Mb)
CNO abundances and 12C/13C ratios in the atmospheres of lithium-rich
giants
Berdyugina S.V., Savanov I.S.
1994, Astr. Lett., 20, 639
PDF_file (0.8 Mb)
Li and CNO abundances in the atmospheres of stars evolving to the red-giant
branch
Berdyugina S.V.
1994, Astr. Lett., 20, 631
PDF_file (1.4 Mb)
The chemical composition of the atmosphere of the active giant
Lambda And
Savanov I.S., Berdyugina S.V.
1994, Astr. Lett., 20, 227
PDF_file (0.9 Mb)
Variability of TiO bands in spectrum of the spotted T Tauri star
V410 Tauri
Berdyugina S.V., Petrov P.P., Sherbakov V.A.
1994, Poster Session Proceedings of IAU Colloquium 146: Molecular Opacities
in the Stellar Environment, eds. P. Thejll and U.G. Jorgensen, p. 16
MgH as a surface gravity criterion for red giants
Berdyugina S.V., Savanov I.S.
1994, Poster Session Proceedings of IAU Colloquium 146: Molecular Opacities
in the Stellar Environment, eds. P. Thejll and U.G. Jorgensen, p. 12
The abundances of the CNO elements in the atmospheres of normal and mildly
barium-enriched G8 to K3 giants
Berdyugina S.V.
1993, Astr. Lett., 19, 378
PDF_file (1.0 Mb)
Search for TiO Band Variability in the Spectrum of the T Tauri Star
V410 Tauri
Berdyugina S.V., Petrov P.P., Shcherbakov V.A.
1992, Sov. Astr. Lett., 18, 443
PDF_file (0.7 Mb)
Determination of the Parameters of the Atmospheres of Red Giants - MgH as a
Luminosity Criterion
Berdyugina S.V., Savanov I.S.
1992, Sov. Astr., 36, 425
Atmosphere of the K2III star Alpha Arietis
Berdyugina S.V., Boyarchuk M.E., Pavlenko Y.V., Savanov I.S.,
Shavrina A.V.
1991, Sov. Astr., 35, 387
Investigation of the cool giant atmospheres by the molecular spectra method. The moleculae CN
Berdyugina S.V.
1991, Bull. Crimean Astrophys Obs., 83, 89-94
Discovery of High Linear Polarization at Brightness Minima of
CQ Tauri
Berdyugin A.V., Berdyugina S.V., Grinin V.P., Minikulov N.K.
1990, Sov. Astr., 34, 408
The radial velocity of Mira variables in optical spectra
cronicle
Derviz T.E., Milyutikova S.V.
1990, Astrofisik. Issledovanija - Sofia, 29, 136
The abundance of nitrogen and the 12C/13C ratio in the atmospheres of
two giants 9 Bootis and ro Bootis
Bikmaev, I.F., Milyutikova, S.V., Pavlenko, Ya.V., Shavrina, A.V.,
Yakovina, L.A.
1990, Kinematika Fiz. Nebesn. Tel. 6, 80-85
Titanium Oxide Radial Velocities of Long-Period Variables
Derviz T.E., Milyutikova S.V.
1985, Sov. Astr. Lett., 11, 218
PDF_file (1.0 Mb)
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