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

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ID# 68

MAXI J1803-298

( Gropp2021 )

RA     [J2000]     DEC

[]          []

18:03:02.79  -29:49:49.70

ℓ                      b

[deg]                            [deg]

001.1471843  -03.727514

Year of discovery: 2021  
( Serino2021 )

# 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]
Outburst magnitude (AB) i'=16.01±0.01 Saikia2021 Hosokawa2021
Quiescent magnitude (AB)
E(B-V) [mag] 0.46 Schlafly2011
Spectral type


Optical/NIR magnitudes

Mag. Outburst (AB)
Saikia2021 Hosokawa2021
g’∼16.2 Rc=15.9±0.4 i'=16.01±0.01
Mag. Quiescent (AB)
Additional information
Light Curve by XB-NEWS ( Russell2019 )
Aladin finding chart
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Default image: DSS2 Red
MAXI J1803-298 in Simbad

Pan-STARRS1 finding chart

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PS1 Finding chart PS1 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.

Last modified: 27 August 2021.