MAXI J1820+070

DSS color 2MASS AllWISE GLIMPSE 360 XMM Chandra

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Binary

Orbital Period: 16.45176$\pm$0.00024 hr [2019ApJ...882L..21T]
Eccentricity:
Radial Velocity: -21.6$\pm$2.3 km/s [2019ApJ...882L..21T]

Donor

Spectral Type: K4V [2019ApJ...882L..21T]
Mo: 0.61$\pm$0.13 M$_{\odot}$ [2020ApJ...893L..37T]

Accretor

Type: BH [2018ApJ...867L...9T]
Mx: 8.48$\pm$0.79 M$_{\odot}$ [2020ApJ...893L..37T]
Spin Period:
X-ray Bursts: