A Search for the Optical Counterpart of PSR B1951+32 in the Supernova Remnant CTB 80
O'Sullivan, Creidhe · Shearer, A. · Colhoun, M. · Golden, A. · Redfern, M. · Butler, R. · Beskin, G. M. · Neizvestny, S. I. · Neustroev, V. V. · Plokhotnichenko, V. L. · Danks, A.
Original · EN
Using time-resolved two-dimensional aperture photometry we have put upper limits on the pulsed emission from two proposed optical counterparts for PSR B1951+32. Our pulsed upper limits of mvpulsed>23.3, mbpulsed>24.4, for the first candidate and mvpulsed>23.6, mbpulsed>24.3 for the second, make it unlikely that either of these is, in fact, the pulsar. We discuss three further candidates, but also reject these on the basis of timing results. A search of a 5.5arcs x 5.5arcs area centred close to these stars failed to find any significant pulsations at the reported pulsar period.
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