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A Possible Optical Counterpart for the Triple Pulsar System PSR B1620-26

Astrophysics 2009-10-22 v1

Abstract

We have searched deep optical images of the globular cluster M4 for a possible optical counterpart for the third body in the PSR B1620-26 system. We identify as a possible optical counterpart a star located within 0.30.3'' of the nominal pulsar position with V20V\approx 20. This magnitude is consistent with a main sequence cluster member with M0.45MM\approx 0.45M_\odot. However, this star may be blended with fainter stars, and the probability of a chance superposition is non-negligible.

Keywords

Cite

@article{arxiv.astro-ph/9407080,
  title  = {A Possible Optical Counterpart for the Triple Pulsar System PSR B1620-26},
  author = {C. D. Bailyn and E. P. Rubenstein and T. M. Girard and D. Dinescu and F. A. Rasio and B. Yanny},
  journal= {arXiv preprint arXiv:astro-ph/9407080},
  year   = {2009}
}

Comments

8 pages in uuencoded compressed postscript, to appear in ApJ Letters, Yale Preprint 25-07-94