V_ V5511 Sgr / XTE J1814-338

DSS color 2MASS AllWISE GLIMPSE 360 XMM Chandra

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Binary

Orbital Period: 4.27464525$\pm$0.000556 hr [2007MNRAS.375..971P]
Eccentricity: 2.4e-05$\pm$-99.0 [2007MNRAS.375..971P]
Radial Velocity: -30.0$\pm$20.0 km/s [2017MNRAS.466.2261W]

Donor

Spectral Type: M V [2017MNRAS.466.2261W]
Mo: 0.24$\pm$0.075 M$_{\odot}$ [2017MNRAS.466.2261W]

Accretor

Type: NS [2003ATel..164....1M]
Mx: 2.0$\pm$0.7 M$_{\odot}$ [2017MNRAS.466.2261W]
Spin Period: 0.003181105759$\pm$2e-10 s [2003ATel..164....1M]
X-ray Bursts: yes [2008ApJS..179..360G]