The X-ray off-state of the supersoft source CAL 83 and its interpretation

被引：16

作者：

Alcock, C

Allsman, RA

Alves, D

Axelrod, TS

Bennett, DP

Charles, PA

Cook, KH

Freeman, KC

Griest, K

Guern, J

Lehner, MJ

Livio, M

Marshall, SL

Peterson, BA

Pratt, MR

Quinn, PJ

Rodgers, AW

Southwell, KA

Stubbs, CW

Sutherland, W

机构：

[1] UNIV CALIF BERKELEY, CTR PARTICLE ASTROPHYS, BERKELEY, CA 94720 USA

[2] AUSTRALIAN NATL UNIV, SUPERCOMP FACIL, CANBERRA, ACT 0200, AUSTRALIA

[3] AUSTRALIAN NATL UNIV, MT STROMLO & SIDING SPRING OBSERV, WESTON, ACT 2611, AUSTRALIA

[4] UNIV OXFORD, DEPT ASTROPHYS, NUCL & ASTROPHYS LAB, OXFORD OX1 3RH, ENGLAND

[5] UNIV CALIF SAN DIEGO, DEPT PHYS, SAN DIEGO, CA 92093 USA

[6] SPACE TELESCOPE SCI INST, BALTIMORE, MD 21218 USA

[7] UNIV CALIF SANTA BARBARA, DEPT PHYS, SANTA BARBARA, CA 93106 USA

[8] UNIV WASHINGTON, DEPT ASTRON, SEATTLE, WA 98195 USA

[9] UNIV WASHINGTON, DEPT PHYS, SEATTLE, WA 98195 USA

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1997年 / 286卷 / 02期

基金：

美国国家科学基金会;

关键词：

accretion; accretion discs; binaries; close; spectroscopic stars; individual; CAL; 83; X-rays; stars;

D O I：

10.1093/mnras/286.2.483

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider simultaneous optical data obtained during the recent X-ray turn-off of CAL 83. Combining the optical behaviour with the observed X-ray decay time, we show that a model of cessation of steady nuclear burning is viable if the white dwarf is massive. Our model provides a natural explanation for the subsequent return of the supersoft X-ray emission.

引用

页码：483 / 486

页数：4

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