RA (ICRS) DEC
|
ℓ b
|
Distance [kpc] | 7.5±0.5 | Jonker2004 |
---|---|---|
Distance to the plane (z) [kpc] | 0.7±0.05 | Jonker2004 |
Orbital period (Porb) [h] | 26.79377±0.00007 | Orosz1998Orosz2003 |
Peak X-ray flux [erg s-1 cm-2] [keV] |
9.42E-08 [2-10] |
Park2004 |
Outburst magnitude (AB) | V=14.9 | Pedersen1983a |
Quiescent magnitude (AB) | V=16.7 | Orosz1998Chevalier1992Buxton2004 |
E(B-V) [mag] | 0.5 | Orosz1998 |
Dynamically confirmed BH
4U 1543-475 have shown outbursts in 1984, 1992, 2002 and 2021 (Kitamoto1984,Harmon1992a,Miller2002,Negoro2021). The peak X-ray flux is taken from the 2002 outburst (Park2004). Gandhi2019 obtained a distance of 8.60+3.84-2.46 kpc from Gaia DR2. |
Orbital period [h] | 26.79377±0.00007 | Orosz1998Orosz2003 |
---|---|---|
Star's spectral type | A2V | Orosz1998 |
Star's radial velocity amplitude (K2) [km/s] | 124±4 | Orosz1998 |
Mass function 'f(M1)' [M☉] | 0.25±0.01 | Orosz1998Orosz2003 |
BH mass (M1) [M☉] | 8.4 – 10.4 | Orosz1998Orosz2003 |
Mass ratio (q=M2/M1) | 0.25 – 0.31 | Orosz1998Orosz2003 |
Inclination angle (i) [deg] | 20.7±1.5 | Orosz1998Orosz2003 |
Rot. broadening (v sini) [km/s] | 46±2 | Orosz1998Orosz2003 |
|
|||
---|---|---|---|
V=14.9 | |||
Orosz1998Chevalier1992Buxton2004 |
|||
B=17.3 | V=16.7 | ||
I=16.1±0.1 | |||
J=16.04±0.05 |
Light Curve by XB-NEWS (Russell2019) |