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

« Previous BHT   Next BHT »

ID# 23

XTE J1856+053

(Torres2007a)

RA     (ICRS)     DEC [hh:mm:ss.ss]          [dd:mm:ss.ss] 18:56:42.92  +05:18:34.30

ℓ                      b [deg]                            [deg] 038.2584339  01.24875005

Year of discovery: 1996  
(Marshall1996)

# of outbursts after discovery: 3

Basic data

Distance [kpc]
Distance to the plane (z) [kpc]
Orbital period (Porb) [h]
Peak X-ray flux [erg s-1 cm-2] [keV]	7.46E-10 [2-10]	Sala2008
Outburst magnitude (AB)	Ks=18.28±0.05	Torres2007a
Quiescent magnitude (AB)	Ks=20.1±0.3
E(B-V) [mag]	5.113	Schlafly2011
Spectral type

NOTES

XTE J1856+053 has shown two consecutive outbursts with ∼70 days interval between them (Sala2008). This behaviour was seen in the 1996 and 2007 outbursts (Levine2007,Krimm2007,Sala2008). This also appeared in the the recent 2015 outburst (Suzuki2015,Negoro2015). A new outburst occurred in Feb 2020 (Negoro2020)

Optical/NIR magnitudes

Mag. Outburst (AB) Torres2007a
			Ks=18.28±0.05
Mag. Quiescent (AB)
		Ks=20.1±0.3

Aladin finding chart

Scroll to zoom. Set survey image in "Manage layers"
Default image: DSS2 Red

XTE J1856+053 in Simbad

---

Pan-STARRS1 finding chart

Click to enlarge in new tab/window

---

Finding charts

Orientation: North up, East left. Object marked
Click to enlarge in new tab/window

Finding chart reference: Torres2007aLopez2019

---