CCD based phase resolved stroboscopic photometry of pulsars

Details CCD based phase resolved stroboscopic photometry of pulsars CCD based phase resolved stroboscopic photometry of pulsars

2003-03-17

arxiv.org/abs/astro-ph/0303368v1

Rev.Sci.Instrum. 74 (2003) 3111-3114

Astronomy and Astrophysics

Astrophysics

9 pages, 5 figures. Accepted in Review of Scientific Instruments

Scientific paper

10.1063/1.1571949

A stroboscope designed to observe pulsars in the optical spectrum is presented. The absolute phase of the stroboscope is synchronized to better than 2.5 microseconds with the known radio ephemerides for a given pulsar. The absolute timing is provided by the GPS clock. With such a device phase resolved photometry of pulsars can be performed. We demonstrate the instrument's capabilities with the results of a set of observations of the Crab pulsar, the brightest of the known optical pulsars, with a visual magnitude of 16.5, and a rotational frequency of ~29Hz.

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