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

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ID# 29

XTE J2012+381

(Hynes1999)

RA     (ICRS)     DEC [hh:mm:ss.ss]          [dd:mm:ss.ss] 20:12:37.71  +38:11:01.10

ℓ                      b [deg]                            [deg] 075.3883359  02.2470781

Year of discovery: 1998  
(Remillard1998)

# of outbursts after discovery:

Basic data

Distance [kpc]
Distance to the plane (z) [kpc]
Orbital period (Porb) [h]
Peak X-ray flux [erg s-1 cm-2] [keV]	7.77E-09 [2-10]	Hynes1999
Outburst magnitude (AB)	R=20.0±0.2	Hynes1999
Quiescent magnitude (AB)	Ks=20.1±0.2	Lopez2019
E(B-V) [mag]	1.9 – 2.4	Hynes1999
Spectral type

NOTES

XTE J2012+381 is blended with a star at 1.1” with RAB=17.20 \pm 0.05 and KAB=16.90 \pm 0.03 (Hynes1999).

Optical/NIR magnitudes

Mag. Outburst (AB) Hynes1999
		R=20.0±0.2
Mag. Quiescent (AB) Lopez2019
		Ks=20.1±0.2

Aladin finding chart

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XTE J2012+381 in Simbad

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Pan-STARRS1 finding chart

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