Optical Observations of Pulsars in Supernova Remnants

Details Optical Observations of Pulsars in Supernova Remnants Optical Observations of Pulsars in Supernova Remnants

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994stin...9622132p&link_type=abstract

Masters Thesis, Instituto Nacional de Pesaciais Espaciais ,Sao Jose dos Campos Brazil

Physics

Pulsars, Astronomical Photometry, Supernova Remnants, Visual Observation, Pulsed Radiation, Unsteady Flow, Optical Measurement, Stellar Physics, Spectrum Analysis, Temporal Resolution, Statistical Analysis, Power Spectra, Statistical Distributions

Scientific paper

This work presents the first results of a program devoted to detect optical pulsations from pulsars in supernova remnants. The objective is to optimize the observational method and to establish algorithms for analysis of data obtained from fast photometry with a temporal resolution of 1 ms. The observations were made on directions of the pulsars PSR0531+21 and PSR0833-45. The data was submitted to power spectrum and correlation analyses. Statistical methods that use the Chi2 distribution properties were applied for the power spectrum analysis. Pulsations from PSR0531+21 were detected with a 33,413208008(+/- 7)ms period. However, in a limit of 20,49 magnitudes, pulsations from PSR0833+45 were not found.

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