jmorin on 16-Aug-2012 16:51:14 GMT about BD+44 2051B
No radial velocity mentioned.
Measurements J/MNRAS/407/2269 on a series of 20 high-resolution spectra give a mean value of 70.02 km/s with a dispersion of 0.37 km/s. The absolute accuracy of the spectrograph (CFHT/ESPaDOnS) is expected to be 0.1 km/s.
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View annotation on BD+44 2051B object