Volume 367, Number 3, March I 2001
|Page(s)||931 - 932|
|Section||Interstellar and circumstellar matter|
|Published online||15 March 2001|
Research Note PSR B1929+10 and GSC 01060-01374 are not binary companions*
Astronomical Institute, PO Box 80000, 3508 TA Utrecht, The Netherlands
Corresponding author: M. L. A. Kouwenhoven, M.L.A.Kouwenhoven@astro.uu.nl
Accepted: 23 October 2000
We have observed the star GSC to investigate whether it is in a binary with PSR B1929+10. Its spectral type is K4-6 and its luminosity class is III or II, therefore its distance is 2.4 kpc or higher. Since the dispersion measure distance of PSR B1929+10 is 0.17 kpc, we rule out the possibility that these two stars are associated in a binary. This poses further constraints on the lower limit of kick velocities in supernova explosions.
Key words: stars: individual: GSC 01060 / 01374 / stars: neutron / pulsars: individual: PSR B1929+10
© ESO, 2001
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