RA (ICRS) DEC
|
ℓ b
|
Distance [kpc] | 2.6±0.7 | Homan2006 |
---|---|---|
Distance to the plane (z) [kpc] | -0.16±0.04 | Homan2006 |
Orbital period (Porb) [h] | 7.69±0.02 | Orosz2004 |
Peak X-ray flux [erg s-1 cm-2] [keV] |
1.52E-08 [2-10] |
Corbel2004 |
Outburst magnitude (AB) | I=16.1±0.1 | Castro-Tirado2001Curran2012 |
Quiescent magnitude (AB) | i’>19.4 | Garcia2002Curran2012Lopez2019 |
E(B-V) [mag] | 1.5 | Augusteijn2001a |
Dynamically confirmed BH
Orbital period [h] | 7.69±0.02 | Orosz2004 |
---|---|---|
Star's spectral type | ~K4V | Orosz2004 |
Star's radial velocity amplitude (K2) [km/s] | 435±30 | Orosz2004 |
Mass function 'f(M1)' [M☉] | 2.7±0.6 | Orosz2004 |
BH mass (M1) [M☉] | ≤7.3 | Orosz2004 |
Mass ratio (q=M2/M1) | ||
Inclination angle (i) [deg] | >47 | Orosz2004 |
|
|||
---|---|---|---|
B∼16.8 | V=17.1±0.2 | R=16.9±0.4 | I=16.1±0.1 |
J=15.3±0.1 | H=15.2±0.1 | Ks=15.1±0.1 | |
Garcia2002Curran2012Lopez2019 |
|||
V∼24 | g’>20.3 | R∼22.1 | |
r’>20.5 | I>19.3 | i’>19.4 | z’>18.5 |
J>18.4 | H>16.8 | Ks>17.8 |
Orientation: North up, East left.
Object marked
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