BlackCAT A Catalog of Stellar-Mass Black Holes in X-ray Binaries

ID# 31

XTE J1859+226

V406 Vul

RA (h:m:s)  DEC (º:':")  J2000:
18:58:41.58 +22:39:29.40
( Garnavich1999 )

Galactic l (º)  b (º)  J2000:
054.0460820  +08.6076070

Year of discovery: 1999  
( Wood1999 )

# of outbursts after discovery:

Dynamically confirmed BH

Basic data

Distance (d) 12.5±1.5 (kpc) Corral-Santana2011
d above plane (z) 1.9±0.2 (kpc) Corral-Santana2011
Orbital period 6.58±0.05 (h) Corral-Santana2011
Peak X-ray flux 3.35E-08
(erg/s/cm2) [keV] Wood1999
Outburst magnitude (AB) R∼15.15 (mag) Garnavich1999 Zurita2002
Quiescent magnitude (AB) R=22.54±0.07 (mag) Zurita2002 Gelino2010
E(B-V) 0.58 (mag) Hynes2002

Dynamical parameters

Orbital period 6.58±0.05 (h) Corral-Santana2011
Star's spectral type ~K5V Corral-Santana2011
Star's radial velocity amplitude (K2) 541±70 (km/s) Corral-Santana2011
Mass function 'f(M1)' 4.5±0.6 (M) Corral-Santana2011
BH mass (M1) >5.42 (M) Corral-Santana2011
Mass ratio (q=M/M1)
Inclination angle (i) <70 (deg) Corral-Santana2011
Rot. broadening (v sini) (km/s)

Optical/NIR magnitudes

Mag. Outburst (AB) Garnavich1999 Zurita2002
Mag. Quiescence (AB) Zurita2002 Gelino2010
R V J H Ks
=22.54±0.07 =23.25±0.09 =20.97±0.03 =20.68±0.05 =20.94±0.35
Scroll to zoom. Set survey image in Controls
Default image: DSS2 Red
XTE J1859+226 in Simbad
Finding charts orientation:North up, East left
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Object marked with lines

Comparison stars reference: Zurita2002

Finding chart
Finding chart
Finding chart
This research has made use of NASA's Astrophysics Data System (ADS) and the SIMBAD database operated at CDS (Strasbourg, France)
Please acknowledge the use of this catalogue in any published work you derive from it.