RA (ICRS) DEC
|
ℓ b
|
Distance [kpc] | 4.95+0.69-0.65 | Wu2016 |
---|---|---|
Distance to the plane (z) [kpc] | -0.73±0.04 | Wu2016 |
Orbital period (Porb) [h] | 10.38252±2E-05 | GonzalezHernandez2017 |
Peak X-ray flux [erg s-1 cm-2] [keV] |
1.36E-07 [2-10] |
Brandt1992 |
Outburst magnitude (AB) | V∼13.5 | dellaValle1991a |
Quiescent magnitude (AB) | i'=19.92±0.04 | King1996aShahbaz1997Shahbaz2010 |
E(B-V) [mag] | 0.3 | dellaValle1991a |
Dynamically confirmed BH
GRS 1124-684 (N Mus91): A period derivative has been measured (GonzalezHernandesz2017). Gandhi2019 obtained a distance of 2.71+3.82-1.38 kpc from Gaia DR2. |
Orbital period [h] | 10.38252±2E-05 | GonzalezHernandez2017 |
---|---|---|
Star's spectral type | K3 – 5V | Orosz1996Casares1997 |
Star's radial velocity amplitude (K2) [km/s] | 407±3 | Orosz1996Wu2015 |
Mass function 'f(M1)' [M☉] | 3.02±0.06 | Orosz1996Wu2015 |
BH mass (M1) [M☉] | 11.0+2.1-1.4 | Wu2016 |
Mass ratio (q=M2/M1) | 0.079±0.007 | Wu2015 |
Inclination angle (i) [deg] | 43.2+2.1-2.7 | Wu2016 |
Rot. broadening (v sini) [km/s] | 85±3 | Wu2015 |
|
|||
---|---|---|---|
V∼13.5 | |||
King1996aShahbaz1997Shahbaz2010 |
|||
u'=21.5±0.4 | g'=20.65±0.05 | ||
i'=19.92±0.04 | |||
J=19.05±0.02 | H∼18.39 | K (not AB)=17.08±0.01 |
Orientation: North up, East left.
Object marked
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