Time-Resolved Optical Observations of PSR 1509-58

Details Time-Resolved Optical Observations of PSR 1509-58 Time-Resolved Optical Observations of PSR 1509-58

1998-03-10

arxiv.org/abs/astro-ph/9803107v1

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures

Scientific paper

Using time resolved 2-dimensional aperture photometry we have established that the optical candidate for PSR 1509-58 does not pulse. Our pulsed upper limits (m_V = 24.3 and m_B = 25.7) put severe constraints on this being the optical counterpart. Furthermore the colours of the candidate star are consistent with a main sequence star at a distance of 2-4 kpc. The probability of a chance coincidence with a normal star and the difficulty of explaining the lack of pulsed emission leads us to conclude that this object is an intermediate field star.

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