4U 2129+12

DSS color 2MASS AllWISE GLIMPSE 360 XMM Chandra

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Binary

Orbital Period: 17.11296$\pm$2.4e-05 hr [1993A&A...270..139I]
Eccentricity:
Radial Velocity:

Donor

Spectral Type:
Mo:

Accretor

Type: NS [1990Natur.347..534D]
Mx:
Spin Period:
X-ray Bursts: yes [1990Natur.347..534D]