Bp stars in Orion OB1 association

被引:0
|
作者
Romanyuk, Iosif I. [1 ]
Yakunin, Ilya A. [2 ]
机构
[1] Russian Acad Sci, Special Astrophys Observ, Nizhnii Arkhyz 369167, Russia
[2] Russian Acad Sci, Special Astrophys Observ, Nizhnii Arkhyz 369167, Russia
关键词
stars:chemically peculiar -open clusters and associations:individual:Orion 0131;
D O I
暂无
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A total of 85 CP stars of various types are identified among 814 members of the Orion OB1 association, We selected 59 Bp stars. which account for 13.4% of the total number of B type stars in the association. The fraction of peculiar B type stars in the association is found to be twice higher than that of peculiar A type stars. Magnetic field are found in 22 stars, 17 of them are objects with anomalous helium lines. No significant differences are found between the field strengths in the Bp type stars of the association and Bp type field stars, We identified 17 binaries, which make up 20% of the total number of peculiar stars studied which is the standard ratio for CP stars.
引用
收藏
页码:276 / 279
页数:4
相关论文
共 50 条
  • [1] Binary Stars in the Orion OB1 Association, Subgroup a
    Semenko, E. A.
    Romanyuk, I. I.
    Yakunin, I. A.
    Kudryavtsev, D. O.
    Moiseeva, A. V.
    PHYSICS OF MAGNETIC STARS, 2019, 518 : 31 - 39
  • [2] Magnetic CP stars in Orion OB1 association
    Romanyuk, Iosif I.
    Semenko, Eugene A.
    NEW WINDOWS ON MASSIVE STARS: ASTEROSEISMOLOGY, INTERFEROMETRY AND SPECTROPOLARIMETRY, 2014, 307 : 393 - 394
  • [3] Magnetic chemically peculiar stars in the Orion OB1 association
    Romanyuk, I. I.
    Semenko, E. A.
    Yakunin, I. A.
    Kudryavtsev, D. O.
    Moiseeva, A. V.
    ASTRONOMISCHE NACHRICHTEN, 2017, 338 (08) : 919 - 925
  • [4] Spectropolarimetry of magnetic Chemically Peculiar stars in the Orion OB1 association
    Semenko, Eugene
    Romanyuk, Iosif
    Yakunin, Ilya
    Kudryavtsev, Dmitry
    Moiseeva, Anastasiya
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2022, 515 (01) : 998 - 1011
  • [5] Three very young HgMn stars in the Orion OB1 association
    Woolf, VM
    Lambert, DL
    ASTROPHYSICAL JOURNAL, 1999, 520 (01): : L55 - L58
  • [6] UBV photometry of new flare stars in the orion OB1 association
    Gasparian L.G.
    Astrophysics, 1999, 42 (3) : 358 - 361
  • [7] THE STELLAR CONTENT OF THE ORION OB1 ASSOCIATION
    BROWN, AGA
    SPACE SCIENCE REVIEWS, 1993, 66 (1-4) : 81 - 84
  • [8] Magnetic field of massive chemically peculiar stars in the Orion OB1 association
    Romanyuk, I. I.
    Semenko, E. A.
    Kudryavtsev, D. O.
    Yakunin, I. A.
    CONTRIBUTIONS OF THE ASTRONOMICAL OBSERVATORY SKALNATE PLESO, 2018, 48 (01): : 208 - 212
  • [9] Chemically Peculiar Stars in the Orion OB1 Association: Determination of Fundamental Parameters
    Moiseeva, A. V.
    Romanyuk, I. I.
    Semenko, E. A.
    PHYSICS OF MAGNETIC STARS, 2019, 518 : 52 - 58
  • [10] SPECTRAL TYPES IN ORION OB1 ASSOCIATION
    ABT, HA
    LEVATO, H
    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1978, 89 (532) : 797 - 802