Find Research Outputs

Search concepts
Selected filters

Publication Year

  • 2020
  • 2019
  • 2018
  • 2017
  • 2016

Author

  • Александр Федорович Холтыгин
2019

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

3 Citations (Scopus)

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

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

On the origin of Supergiant Fast X-ray Transients

Hubrig, S., Sidoli, L., Postnov, K. A., Schöller, M., Kholtygin, A. F. & Järvinen, S. P., 1 Jan 2019, (Accepted/In press) In : Proceedings of the International Astronomical Union. p. 193-196 4 p.

Research output

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

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 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

Studying the presence of magnetic fields in a sample of high-mass X-ray binaries

Hubrig, S., Kholtygin, A. F., Sidoli, L., Schöller, M. & Järvinen, S. P., 1 Jan 2019, (Accepted/In press) In : Proceedings of the International Astronomical Union. p. 40-44 5 p.

Research output

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

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

2018
3 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

4 Citations (Scopus)

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

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

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

1 Citation (Scopus)

Памяти Николая Васильевича Вощинникова

Гаген-Торн, В. А., Ильин, В. Б., Барышев, Ю. В., Грачев, С. И., Нагирнер, Д. И., Холтыгин, А. Ф. & Холшевников, К. В., 2018, ВЕСТНИК САНКТ-ПЕТЕРБУРГСКОГО УНИВЕРСИТЕТА. МАТЕМАТИКА. МЕХАНИКА. АСТРОНОМИЯ, 5(63), 3, p. 532-533.

Research output

Open Access
File
2017

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 outputpeer-review

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 outputpeer-review

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

3 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

2 Citations (Scopus)

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 outputpeer-review

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

4 Citations (Scopus)

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 outputpeer-review

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

3 Citations (Scopus)

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

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 outputpeer-review

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 outputpeer-review

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

3 Citations (Scopus)

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 outputpeer-review

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 outputpeer-review

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

11 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

5 Citations (Scopus)
1 Citation (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

4 Citations (Scopus)