scholarly journals Constraints on Mass Ejection in Black Hole Formation Derived from Black Hole X-Ray Binaries

2006 ◽  
pp. 312-313
Author(s):  
G. Nelemans ◽  
T. M. Tauris ◽  
E. P. J. van den Heuvel
Keyword(s):  
Black Hole ◽  
Hole Formation ◽  
X Ray ◽  
Black Hole Formation ◽  
Mass Ejection ◽  
X Ray Binaries

Observational lower mass limit for black hole formation derived from massive X-ray binaries

Nature ◽  
1984 ◽  
Vol 309 (5969) ◽  
pp. 598-600 ◽  
Author(s):  
E. P. J. van den Heuvel ◽  
G. M. H. J. Habets
Keyword(s):  
Black Hole ◽  
Mass Limit ◽  
Hole Formation ◽  
Lower Mass ◽  
X Ray ◽  
Black Hole Formation ◽  
X Ray Binaries ◽  
Lower Mass Limit

scholarly journals Black Hole Formation in X‐Ray Binaries: The Case of XTE J1118+480

2007 ◽  
Author(s):  
T. Fragos ◽  
B. Willems ◽  
N. Ivanova ◽  
V. Kalogera
Keyword(s):  
Black Hole ◽  
Hole Formation ◽  
X Ray ◽  
Black Hole Formation ◽  
X Ray Binaries

scholarly journals X-Ray Determination of the Black-Hole Mass in Cygnus X-1

1998 ◽  
Vol 188 ◽  
pp. 388-389
Author(s):  
A. Kubota ◽  
K. Makishima ◽  
T. Dotani ◽  
H. Inoue ◽  
K. Mitsuda ◽  
...  
Keyword(s):  
Black Hole ◽  
Compact Object ◽  
Optical Observations ◽  
Black Hole Mass ◽  
X Ray ◽  
Upper Limit ◽  
Supergiant Star ◽  
X Ray Binaries ◽  
Two Bodies

About 10 X-ray binaries in our Galaxy and LMC/SMC are considered to contain black hole candidates (BHCs). Among these objects, Cyg X-1 was identified as the first BHC, and it has led BHCs for more than 25 years(Oda 1977, Liang and Nolan 1984). It is a binary system composed of normal blue supergiant star and the X-ray emitting compact object. The orbital kinematics derived from optical observations indicates that the compact object is heavier than ~ 4.8 M⊙ (Herrero 1995), which well exceeds the upper limit mass for a neutron star(Kalogora 1996), where we assume the system consists of only two bodies. This has been the basis for BHC of Cyg X-1.

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