UltraCompCAT A Catalogue of Ultra-Compact and Short Orbital Period X-ray Binaries

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ID# 28

4U 1905+000

4U 1857+01, 1H 1905+000, XB 1905+000

Candidate UCXB

RA                 Dec    

[hh:mm:ss.ss]          [dd:mm:ss.ss]

19:08:26.97   +00:10:07.7

                     [ICRS]

ℓ                      b

[deg]                            [deg]

035.024458  -03.707147

Year of discovery: 1976

(Seward1976Villa1976)

Basic data
Location in Globular Cluster
Type of accretor NS Transient (Long outburst)
Distance [kpc]
(other distances)
 		7.5 (H), 10 (He)
Jonker2004
Chevalier1990
z [kpc] -0.65 Jonker2004
Orbital period (Porb) [min]
Porb determination method
Thermonuclear X-ray burst Short-B Lewin1976b
Peak X-ray flux [erg s-1 cm-2]
(2 - 10 keV)		 1.57E-10 Christian1997
NH [x1022 cm-2] 0.3±0.1 Chevalier1990
E(B-V) [mag]
Magnitude V = 20.5±0.04 Chevalier1985b
Proposed companion


NOTES
Possible G interloper (Nelemans2006).
The orbital period is unknown, but Jonker2006 propose an UCXB candidate because of the low V-band absolute magnitud during outburst and a low quiescent X-ray luminosity (see also Juett2005).
Radio flux density < 3 mJy (2cm; Duldig1979).

Spectral data
UV
Optical
X-ray

Peak Optical/NIR magnitudes
If the system is transient, quiescent magnitudes are indicated with a "q" superindex
Chevalier1985b Jonker2007
V = 20.5±0.04, qi' > 25.3
Aladin finding chart
Scroll to zoom. Set survey image in "Manage layers"
Default image: DSS2 Red
4U 1905+000 in Simbad

Pan-STARRS1 finding chart

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PS1 Finding chart PS1 Finding chart

References to finding charts

Jonker2006Chevalier1985bGottwald1991Jonker2007


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.
Last modified: 09 May 2023.