RA (ICRS) DEC
|
ℓ b
|
Distance [kpc] | 2.49±0.3 | Gelino2003 |
---|---|---|
Distance to the plane (z) [kpc] | -0.51±0.06 | Gelino2003 |
Orbital period (Porb) [h] | 5.091850±0.000005 | Gelino2003 |
Peak X-ray flux [erg s-1 cm-2] [keV] |
5.77E-08 [2-10] |
Goldwurm1992 |
Outburst magnitude (AB) | R=12.65 | Castro-Tirado1992b |
Quiescent magnitude (AB) | R=21.0±0.1 | Gelino2003Garcia1996Webb2000 |
E(B-V) [mag] | 0.3 | Jonker2004 |
Dynamically confirmed BH
Orbital period [h] | 5.091850±0.000005 | Gelino2003 |
---|---|---|
Star's spectral type | M4 – 5V | Casares1995cWebb2000 |
Star's radial velocity amplitude (K2) [km/s] | 378±16 | Webb2000 |
Mass function 'f(M1)' [M☉] | 1.19±0.02 | Casares1995cWebb2000 |
BH mass (M1) [M☉] | 2 – 15 | Casares1995cWebb2000Beekman1997 |
Mass ratio (q=M2/M1) | 0.11+0.05-0.02 | Webb2000 |
Inclination angle (i) [deg] | 10 – 50 | Casares1995cBeekman1997Webb2000 |
Rot. broadening (v sini) [km/s] | 90+22-27 | Harlaftis1999 |
|
|||
---|---|---|---|
V=13.11 | R=12.65 | ||
Gelino2003Garcia1996Webb2000 |
|||
B=23.1±0.2 | V=22.0±0.1 | R=21.0±0.1 | |
I=20.75±0.08 | |||
J=19.3±0.1 | H=19.0±0.2 | Ks=19.29±0.09 |
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Orientation: North up, East left.
Object marked
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