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

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ID# 1

4U 1820-303

X Sgr X-4

Confirmed UCXB

RA                 DEC    [ICRS]

[hh:mm:ss.ss]          [dd:mm:ss.ss]

18:23:40.50  -30:21:40.09

ℓ                      b

[deg]                            [deg]

002.788211  -07.913491
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4U 1820-303 in Simbad

Pan-STARRS1 finding chart

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PS1 Finding chart

References to finding charts

King1993a


This research makes use of image data obtained from the Pan-STARRS1 data archive
Please acknowledge the use of this catalogue in any published work you derive from it.
Last modified: 09 May 2023.