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

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ID# 61

Swift J1658.2-4242

( Russell2018d )

RA     [J2000]     DEC

[]          []

16:58:12.70  -42:41:56.09

ℓ                      b

[deg]                            [deg]

343.2512784  +00.05342834

Year of discovery: 2018  
( Barthelmy2018 )

# 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)
Quiescent magnitude (AB)
E(B-V) [mag] 20 – 29 Russell2018c
Spectral type


Swift J1658.2-4242: There is a possible foreground star with r’=20.20 ± 0.09 and i’=19.02 ± 0.04 ( Russell2018e ) detected with VPHAS images. The field is extremely reddened.

Optical/NIR magnitudes

Mag. Outburst (AB)
Mag. Quiescent (AB)
Aladin finding chart
Scroll to zoom. Set survey image in "Manage layers"
Default image: DSS2 Red
Swift J1658.2-4242 in Simbad

Finding chart reference: Russell2018c

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.