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

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ID# 65

MAXI J1810-222

(Kennea2019a)

RA     (ICRS)     DEC [hh:mm:ss.ss]          [dd:mm:ss.ss] 18:12:39.66  -22:19:25.0

ℓ                      b [deg]                            [deg] 008.7695570  -01.98090632

Year of discovery: 2018  
(Negoro2018a)

# of outbursts after discovery: 1

Basic data

Distance [kpc]	6 0.73±0.03	Russell2022Kennea2019a
Distance to the plane (z) [kpc]		Russell2022Kennea2019a
Orbital period (Porb) [h]
Peak X-ray flux [erg s-1 cm-2] [keV]	[]
Outburst magnitude (AB)
Quiescent magnitude (AB)
E(B-V) [mag]
Spectral type

NOTES

MAXI J1810-222: The nature of the source is still unclear but Russell2022 support a BH primary based on the X-ray colour and soft-state spectral model. Since its discovery in 2018, the system was reported to brighten and harden (see Russell2022 and Negoro2019e, Ducci2020). Yang2023 reported a new X-ray outburst detected by LEIA in June 2023.

Optical/NIR magnitudes

Mag. Outburst (AB)
Mag. Quiescent (AB)

Aladin finding chart

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MAXI J1810-222 in Simbad