Minutes timescale search for a pulsar in SNR 1987 A.

Details Minutes timescale search for a pulsar in SNR 1987 A. Minutes timescale search for a pulsar in SNR 1987 A.

Oct 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...326.1066n&link_type=abstract

Astronomy and Astrophysics, v.326, p.1066-1068

Astronomy and Astrophysics

Astrophysics

2

Supernovae: Individual: Sn 1987 A, Pulsars

Scientific paper

We have searched for minutes to hours timescale optical modulation from SNR 1987 A due to occultation of the putative neutron star by passing dust clouds. For this study, photometric images of the supernova were taken at one minute intervals using the NTT at ESO. We did not detect significant optical variability on this timescale from the supernova against the background of the two nearby stars. Based on our findings, we cannot rule out the possibility of an optical pulsar. However, if the neutron star is temporally obscured, we set an upper limit on the magnitude of the pulsar in the R band 20.1.

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