THE ORBITAL PERIOD EVOLUTION OF THE SUPERSOFT X-RAY SOURCE CAL 87

被引：5

作者：

Ablimit, Iminhaji ^{[1
]}

Li, Xiang-Dong ^{[2
,3
]}

机构：

[1] Chinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing 100012, Peoples R China

[2] Nanjing Univ, Dept Astron, Nanjing 210046, Jiangsu, Peoples R China

[3] Minist Educ, Key Lab Modern Astron & Astrophys, Nanjing 210046, Jiangsu, Peoples R China

来源：

ASTROPHYSICAL JOURNAL | 2015年 / 815卷 / 01期

关键词：

binaries: close; stars: evolution; stars: neutron; white dwarfs; X-rays: binaries; WIND-DRIVEN EVOLUTION; LOW MASS STARS; CATACLYSMIC VARIABLES; BINARIES; MODELS; PROGENITORS; IA;

D O I：

10.1088/0004-637X/815/1/17

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

CAL 87 is one of the best known supersoft X-ray sources (SSSs). However, the measured masses, orbital period, and orbital period evolution of CAL 87 cannot be addressed by the standard thermal-timescale mass-transfer model for SSSs. In this work we explore the orbital evolution of CAL 87 with both analytic and numerical methods. We demonstrate that the characteristics mentioned above can be naturally accounted for by the excited-wind-driven mass-transfer model.

引用

页数：4

共 50 条

[1] ASCA observation of the supersoft X-ray source CAL 87
Asai, K
Dotani, T
Nagase, F
Ebisawa, K
Mukai, K
Smale, AP
Kotani, T
ASTROPHYSICAL JOURNAL, 1998, 503 (02): : L143 - L146
[2] Revised ephemeris and orbital period derivative of the supersoft X-ray source CAL 87 based on 34 yr of observations
Stecchini, P. E.
Jablonski, F.
Diaz, M. P.
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MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2024, 527 (03) : 8991 - 8995
[3] Visual light from the eclipsing supersoft X-ray source CAL 87
Schandl, S
MeyerHofmeister, E
Meyer, F
CATACLYSMIC VARIABLES AND RELATED OBJECTS, 1996, 208 : 425 - 426
[4] The eclipsing supersoft X-ray binary CAL 87
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[5] Visual light from the eclipsing supersoft X-ray source CAL 87
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ASTRONOMY & ASTROPHYSICS, 1997, 318 (01) : 73 - 80
[6] High-resolution X-ray spectra of the compact binary supersoft X-ray source CAL 87
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[7] Spectral Modeling of the Supersoft X-Ray Source CAL87 Based on Radiative Transfer Codes
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[8] CAL 87 - An evolved wind-driven supersoft X-ray binary
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ASTRONOMY & ASTROPHYSICS, 2007, 472 (02) : L21 - L24
[9] The supersoft X-ray source CAL 83: A massive white dwarf
Lanz, T
Audard, M
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Interacting Binaries: Accretion, Evolution, and Outcomes, 2005, 797 : 313 - 318
[10] Revisiting multiwavelength data on the supersoft X-ray source CAL 83
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MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2023, 522 (03) : 3472 - 3480

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