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    2019
    2018
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    Author

    Александр Федорович Холтыгин
2019
B stars
terminal velocity
stars
x rays
shock
1 Citation (Scopus)

A short and sudden increase of the magnetic field strength and the accompanying spectral variability in the O9.7 V star HD 54879

Hubrig, S., Küker, M., Järvinen, S. P., Kholtygin, A. F., Schöller, M., Ryspaeva, E. B. & Sokoloff, D. D., 21 Apr 2019, In : Monthly Notices of the Royal Astronomical Society. 484, 4, p. 4495-4506

Research output

field strength
magnetic field
stars
magnetic fields
radial velocity

Evolution of Neutron Stars in the Milky Way

Schislyaeva, Y., Kholtygin, A. & Igoshev, A., 1 Jul 2019, Physics of Magnetic Stars: Proceedings of a Conference Held at Special Astrophysical Observatory, Nizhny Arkhyz, Russia, 1-5 October 2018. Romanyuk, I. I., Yakunin, I. A. & Kudryavtsev, D. O. (eds.). San Francisco: Astronomical Society of the Pacific, p. 111-113 (Astronomical Society of the Pacific conference series; vol. 518).

Research output

neutron stars
magnetic fields
magnetars
death
pulsars

New Insights from Magnetic Studies of Massive OB Stars

Kholtygin, A., Hubrig, S., Fabrika, S. N., Valyavin, G., Medvedev, A., Chountonov, G. A. & Tsiopa, O. A., 1 Jul 2019, Physics of Magnetic Stars: Proceedings of a Conference Held at Special Astrophysical Observatory, Nizhny Arkhyz, Russia, 1-5 October 2018. Romanyuk, I. I., Yakunin, I. A. & Kudryavtsev, D. O. (eds.). San Francisco: Astronomical Society of the Pacific, p. 40-51 (Astronomical Society of the Pacific conference series; vol. 518).

Research output

massive stars
magnetic fields
magnetic stars
stars
stellar evolution

Short Timescale Line Profile Variations in Spectra of OB Stars: the Case of ρ Leo

Batrakov, A. A., Kholtygin, A. F., Fabrika, S. & Valeev, A., 1 Jul 2019, Physics of Magnetic Stars: Proceedings of a Conference Held at Special Astrophysical Observatory, Nizhny Arkhyz, Russia, 1-5 October 2018. Romanyuk, I. I., Yakunin, I. A. & Kudryavtsev, D. O. (eds.). San Francisco: Astronomical Society of the Pacific, p. 151-153 (Astronomical Society of the Pacific Conference Series; vol. 518).

Research output

stars
profiles
telescopes
continuums
intervals

Statistical Analysis of Magnetic Fields of HAeBe Stars

Kholtygin, A. F., Akhnevsky, A. S. & Tsiopa, O., 1 Jul 2019, Physics of Magnetic Stars: Proceedings of a Conference Held at Special Astrophysical Observatory, Nizhny Arkhyz, Russia, 1-5 October 2018. Romanyuk, I. I., Yakunin, I. A. & Kudryavtsev, D. O. (eds.). San Francisco: Astronomical Society of the Pacific, p. 83-86 4 p. (Astronomical Society of the Pacific conference series; vol. 518).

Research output

Open Access
statistical analysis
main sequence stars
stars
magnetic fields
normal density functions

Statistical Properties of Magnetic Fields and Fluxes of Neutron Stars

Kholtygin, A. & Makarenko, E. I., 1 Jul 2019, Physics of Magnetic Stars: Proceedings of a Conference Held at Special Astrophysical Observatory, Nizhny Arkhyz, Russia, 1-5 October 2018. Romanyuk, I. I., Yakunin, I. A. & Kudryavtsev, D. O. (eds.). San Francisco: Astronomical Society of the Pacific, p. 108-110 (Astronomical Society of the Pacific conference series; vol. 518).

Research output

magnetic stars
magnetars
neutron stars
magnetic flux
pulsars

The Unusual Binary System HD83058 in the OB Association Sco-Cen

Pogodin, M. A., Drake, N. A., Jilinski, E. G., Pereira, C. B., Galazutdinov, G. A., Herrera, A., Telting, J., Kholtygin, A. F. & Ananjevskaja, Y. K., 15 Jun 2019, In : Astrophysics. 62, 2, p. 183-201

Research output

stars
stellar atmospheres
orbital elements
Chile
European Southern Observatory

Эволюция магнитных полей Ae/Be-звезд Хербига

Холтыгин, А. Ф., Циопа, О. А., Макаренко, Е. И. & Туманова, И. М., 15 Jul 2019, In : АСТРОФИЗИЧЕСКИЙ БЮЛЛЕТЕНЬ. 74, 3, p. 295-301

Research output

stars
magnetic fields
magnetic flux
pre-main sequence stars
main sequence stars
2018
3 Citations (Scopus)
O stars
terminal velocity
stars
wind velocity
shock
4 Citations (Scopus)

A search for the presence of magnetic fields in the two supergiant fast X-ray transients, IGRJ08408-4503 and IGRJ11215-5952

Hubrig, S., Sidoli, L., Postnov, K., Schöller, M., Kholtygin, A. F., Järvinen, S. P. & Steinbrunner, P., 1 Feb 2018, In : Monthly Notices of the Royal Astronomical Society: Letters. 474, 1, p. L27-L31 5 p.

Research output

magnetic field
magnetic fields
x rays
stellar winds
European Southern Observatory

Detection of a centrifugal magnetosphere in one of the most massive stars in the ρ Oph star-forming cloud

Hubrig, S., Schöller, M., Järvinen, S. P., Küker, M., Kholtygin, A. F. & Steinbrunner, P., 1 Jan 2018, In : Astronomische Nachrichten. 339, 1, p. 72-77 6 p.

Research output

massive stars
magnetospheres
magnetosphere
magnetic field
stars

Evolution of magnetic field of massive stars

Medvedev, A. S., Kholtygin, A. F., Hubrig, S., Fabrika, S. N., Valyavin, G. G., Schöller, M. & Tsiopa, O. A., 1 Jan 2018, In : Contributions of the Astronomical Observatory Skalnate Pleso. 48, 1, p. 223-227 5 p.

Research output

massive stars
magnetic fields
magnetic stars
A stars
O stars
1 Citation (Scopus)

Magnetic field and radial velocities of the star Chi Draconis A

Lee, B. C., Gadelshin, D., Han, I., Kang, D. I., Kim, K. M., Valyavin, G., Galazutdinov, G., Jeong, G., Beskrovnaya, N., Burlakova, T., Grauzhanina, A., Ikhsanov, N. R., Kholtygin, A. F., Valeev, A., Bychkov, V. & Park, M. G., 1 Jan 2018, In : Monthly Notices of the Royal Astronomical Society: Letters. 473, 1, p. L41-L45

Research output

radial velocity
magnetic field
stars
magnetic fields
deviation
magnetic stars
catalogs
stars
planetary nebulae
galaxies
nebulae
scale height
optical thickness
2017
20 Citations (Scopus)

B fields in OB stars (BOB): Concluding the FORS2 observing campaign

Schoeller, M., Hubrig, S., Fossati, L., Carroll, T. A., Briquet, M., Oskinova, L. M., Jaervinen, S., Ilyin, I., Castro, N., Morel, T., Langer, N., Przybilla, N., Nieva, M. -F., Kholtygin, A. F., Sana, H., Herrero, A., Barba, R. H., de Koter, A. & BOB Collaboration, Mar 2017, In : ASTRONOMY & ASTROPHYSICS. 599, 11 p., 66.

Research output

B fields in OB stars (BOB): the magnetic triple stellar system HD 164492C in the Trifid nebula

Gonzalez, J. F., Hubrig, S., Przybilla, N., Carroll, T., Nieva, M. -F., Ilyin, I., Jaervinen, S., Morel, T., Schoeller, M., Castro, N., Barba, R., de Koter, A., Schneider, F. R. N., Kholtygin, A., Butler, K., Veramendi, M. E., Langer, N. & BOB Collaboration, May 2017, In : Monthly Notices of the Royal Astronomical Society. 467, 1, p. 437-450 14 p.

Research output

5 Citations (Scopus)

Connection of LBV Stars with Young Stellar Clusters in M33

Kostenkov, A., Fabrika, S., Sholukhova, O., Kholtygin, A., Atapin, K., Vinokurov, A. & Valeev, A., 2017, STARS: FROM COLLAPSE TO COLLAPSE. Balega, YY., Kudryavtsev, DO., Romanyuk & Yakunin, IA. (eds.). Astronomical Society of the Pacific, p. 457-460 4 p. (Astronomical Society of the Pacific Conference Series; vol. 510).

Research output

Fast Spectral Variations of OBA Stars

Kholtygin, A. F., Hubrig, S., Dushin, V. V., Fabrika, S., Valeev, A., Schoeller, M. & Kostenkov, A. E., 2017, STARS: FROM COLLAPSE TO COLLAPSE. Balega, YY., Kudryavtsev, DO., Romanyuk & Yakunin, IA. (eds.). Astronomical Society of the Pacific, p. 299-302 4 p. (Astronomical Society of the Pacific Conference Series; vol. 510).

Research output

2 Citations (Scopus)

High time resolution multi-band photo-polarimetric observations of the binary millisecond redback pulsar J1023+0038 with the BTA

Shibanov, Y. A., Beskin, G. M., Karpov, S. V., Plokhotnichenko, V. L., Zyuzin, D. A., Kholtygin, A. F., Sokolov, V. V. & Baryshev, Y. V., 12 Dec 2017, In : Journal of Physics: Conference Series. 932, 1, 012027.

Research output

pulsars
polarimetry
linear polarization
flares
fine structure
2 Citations (Scopus)

Is the Pollock's paradigm of X-ray emission for O stars correct?

Ryspaeva, E. B. & Kholtygin, A. F., 1 Oct 2017, In : Astronomische Nachrichten. 338, 8, p. 959-962 4 p.

Research output

O stars
terminal velocity
wind velocity
x rays
XMM-Newton telescope

Magnetic Field Distribution for Massive Stars: Распределение магнитных полей массивных звезд

Medvedev, A. & Kholtygin, A., 2017, STARS: FROM COLLAPSE TO COLLAPSE. Balega, YY., Kudryavtsev, DO., Romanyuk & Yakunin, IA. (eds.). Astronomical Society of the Pacific, p. 265-269 5 p. (Astronomical Society of the Pacific Conference Series; vol. 510).

Research output

4 Citations (Scopus)

Magnetic field geometry and chemical abundance distribution of the He-strong star CPD-57 degrees 3509

Hubrig, S., Przybilla, N., Korhonen, H., Ilyin, I., Schoeller, M., Jaervinen, S. P., Nieva, M. -F., Scholz, R. -D., Kimeswenger, S., Ramolla, M., Kholtygin, A. F. & Briquet, M., Oct 2017, In : Monthly Notices of the Royal Astronomical Society. 471, 2, p. 1543-1552 10 p.

Research output

Possible Detection of a Magnetic Field in X Persei

Valyavin, G., Ikhsanov, N. R., Beskrovnaya, N. G., Gadelshin, D., Galazutdinov, G. A., Semenko, E., Romanyuk, I. I., Kholtygin, A. F., Sabin, L., Hiriart, D. & Chountonov, G., 2017, STARS: FROM COLLAPSE TO COLLAPSE. Balega, YY., Kudryavtsev, DO., Romanyuk & Yakunin, IA. (eds.). Astronomical Society of the Pacific, p. 229-232 4 p. (Astronomical Society of the Pacific Conference Series; vol. 510).

Research output

3 Citations (Scopus)

Rotationally modulated variability and pulsations of the He-rich star CPD-62 degrees 2124 with an extraordinarily strong magnetic field

Hubrig, S., Mikulasek, Z., Kholtygin, A. F., Ilyin, I., Schoeller, M., Jaervinen, S. P., Scholz, R. -D. & Zejda, M., Nov 2017, In : Monthly Notices of the Royal Astronomical Society. 472, 1, p. 400-408 9 p.

Research output

Searching for the presence of a weak magnetic field in the Be star λ Eri using FORS 2 spectropolarimetric time series

Hubrig, S., Ilyin, I., Kholtygin, A. F., Schöller, M. & Skarka, M., 1 Oct 2017, In : Astronomische Nachrichten. 338, 8, p. 926-937 12 p.

Research output

time series
magnetic field
stars
magnetic fields
European Southern Observatory

Spatial Distribution of Early Spectral Type Magnetic Stars

Boronina, S. V. & Kholtygin, A. F., 2017, STARS: FROM COLLAPSE TO COLLAPSE. Balega, YY., Kudryavtsev, DO., Romanyuk & Yakunin, IA. (eds.). Astronomical Society of the Pacific, p. 270-271 2 p. (Astronomical Society of the Pacific Conference Series; vol. 510).

Research output

Spectroscopic Transit of Exoplanet WASP-32 b

Grauzhanina, A. O., Gadelshin, D. R., Baklanova, D. N., Plachinda, S. I., Antonyuk, K. A., Pit, N. V., Valyavin, G. G., Galazutdinov, G. A., Valeev, A. F., Burlakova, T. E. & Kholtygin, A. F., 2017, STARS: FROM COLLAPSE TO COLLAPSE. Balega, YY., Kudryavtsev, DO., Romanyuk & Yakunin, IA. (eds.). Astronomical Society of the Pacific, p. 376-378 3 p. (Astronomical Society of the Pacific Conference Series; vol. 510).

Research output

3 Citations (Scopus)

Statistics of magnetic field measurements in OBA stars and the evolution of their magnetic fields

Медведев, А., Холтыгин, А. Ф., Hubrig, S., Schöller, M., Фабрика, С., Валявин, Г., Chountonov, G. A., Миланова, Ю. В., Циопа, О. & Яковлева, В. А., 2017, In : Astronomische Nachrichten. 338, 8, p. 910-918 9 p.

Research output

Statistics of Magnetic Field Measurements in OB Stars

Kholtygin, A. F., Fabrika, S., Hubrig, S., Chuntonov, G. A., Medvedev, A. S., Milanova, Y. V., Schoeller, M., Valyavin, G. G., Tsiopa, O. A., Boronina, S. V. & BOB Collaboration, 2017, STARS: FROM COLLAPSE TO COLLAPSE. Balega, YY., Kudryavtsev, DO., Romanyuk & Yakunin, IA. (eds.). Astronomical Society of the Pacific, p. 261-264 4 p. (Astronomical Society of the Pacific Conference Series; vol. 510).

Research output

V.V. Sobolev and Physics of Gaseous Nebulae

Kholtygin, A. F. & Milanova, Y. V., 2017, RADIATION MECHANISMS OF ASTROPHYSICAL OBJECTS: CLASSICS TODAY: Proceedings of the conference in honor of the 100th birthday of Academician V. V. Sobolev . GRININ, V. P., HARUTYUNIAN, H., IL'IN, V. B., KHOLTYGIN, A. F. & NIKOGHOSSIAN, A. (eds.). Byurakan Astrophysical Observatory, p. 99-104

Research output

10 Citations (Scopus)

ПОИСК И ИССЛЕДОВАНИЕ ФОТОМЕТРИЧЕСКОЙ ПЕРЕМЕННОСТИ У МАГНИТНЫХ БЕЛЫХ КАРЛИКОВ

Valeev, A. F., Antonyuk, K. A., Pit, N. V., Moskvitin, A. S., Grauzhanina, A. O., Gadelshin, D. R., Kolesnikov, S. V., Zhuzhulina, E. A., Burlakova, T. E., Galazutdinov, G. A., Gutaev, A. G., Zhuchkov, R. Y., Ikhsanova, A. I., Zhukov, D. G., Joshi, A., Pandey, J. C., Kholtygin, A. F. & Valyavin, G. G., Jan 2017, In : Astrophysical Bulletin. 72, 1, p. 44-50 7 p.

Research output

5 Citations (Scopus)

СПЕКТРАЛЬНЫЕ НАБЛЮДЕНИЯ ТРАНЗИТА ПЛАНЕТЫ WASP-32B

Grauzhanina, A. O., Valyavin, G. G., Gadelshin, D. R., Baklanova, D. N., Plachinda, S. I., Antonyuk, K. A., Pit, N. V., Galazutdinov, G. A., Valeev, A. F., Burlakova, T. E. & Kholtygin, A. F., Jan 2017, In : Astrophysical Bulletin. 72, 1, p. 67-72 6 p.

Research output

1 Citation (Scopus)
profiles
stellar spectra
modulation
estimates
method
4 Citations (Scopus)

THE FIRST SPECTROPOLARIMETRIC MONITORING OF THE PECULIAR O4 Ief SUPERGIANT zeta PUPPIS

Hubrig, S., Kholtygin, A., Ilyin, I., Schoeller, M. & Oskinova, L. M., 10 May 2016, In : Astrophysical Journal. 822, 2, 7 p., 104.

Research output

2015
stars
profiles
magnetic stars
timescale
helium
hot stars
massive stars
observatories
profiles
telescopes

Massive Stars: Line Profile Variations and Magnetic Fields

Kholtygin, A. F., Hubrig, S., Valyavin, G. G., Fabrika, S. N., Chuntonov, G. A., Dushin, V. V. & Milanova, Y. V., 2015, PHYSICS AND EVOLUTION OF MAGNETIC AND RELATED STARS. Balega, YY., Romanyuk & Kudryavtsev, DO. (eds.). Astronomical Society of the Pacific, p. 221-229 9 p. (Astronomical Society of the Pacific Conference Series; vol. 494).

Research output

20 Citations (Scopus)
massive stars
explosion
mass distribution
explosions
synthesis
massive stars
distribution functions
magnetic field
stars
magnetic flux
integral transformations
stellar magnetic fields
magnetic field
O stars
wavelet
9 Citations (Scopus)

New multiwavelength observations of the Of?p star CPD -28° 2561

Hubrig, S., Schoeller, M., Kholtygin, A. F., Tsumura, H., Hoshino, A., Kitamoto, S., Oskinova, L., Ignace, R., Todt, H. & Ilyin, I., 2015, In : Monthly Notices of the Royal Astronomical Society. 447, 2, p. 1885-1894 10 p.

Research output

stellar rotation
magnetic field
stars
magnetic fields
telescopes

New spectroscopic and polarimetric observations of the A0 supergiant HD 92207

Hubrig, S., Kholtygin, A. F., Schoeller, M., Anderson, R. I., Saesen, S., Gonzalez, J. F., Ilyin, I. & Briquet, M., 2015, In : Astronomische Nachrichten. 336, 2, 10 p.

Research output

magnetic field
magnetic fields
line spectra
time measurement
profiles
timescale
atmospheres
stars
plasma equilibrium
atmosphere
8 Citations (Scopus)

Search for signatures of reflected light from the exoplanet HD 189733b by the method of residual dynamical spectra

Valyavin, G. G., Grauzhanina, A. O., Galazutdinov, G. A., Gadelshin, D. R., Zhuchkov, R. Y., Orlov, V. G., Burlakova, T. E., Valeev, A. F., Kholtygin, A. F., Rzaev, A. K. & Mkrtichian, D. E., 2015, In : АСТРОФИЗИЧЕСКИЙ БЮЛЛЕТЕНЬ. 70, 4, p. 493-501

Research output

The B Fields in OB Stars (BOB) Survey

Kholtygin, A. F., Castro, N., Fossati, L., Hubrig, S., Langer, N., Morel, T., Przybilla, N., Scholler, M., Carroll, T., Ilyin, I., Irrgang, A., Oskinova, L., Schneider, F. R. N., Diaz, S. S., Briquet, M., Gonzalez, J. F., Kharchenko, N., Nieva, M-F., Scholz, R-D. & de, K. A., 2015, In : Publications of the Astronomical Society of the Pacific. 494, p. 79-85

Research output

magnetic stars
stars
European Southern Observatory
massive stars
night