Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983msngr..34...33k&link_type=abstract
ESO Messenger (ISSN 0722-6691), Dec. 1983, p. 33-35.
Astronomy and Astrophysics
Astronomy
3
Astronomical Photometry, Binary Stars, Pulsars, Light Curve, Orbits, X Ray Sources
Scientific paper
The optical pulsar H2252-035 has been observed with a standard UBV photometer at La Silla Observatory, using an integration time of 5 sec in each bandpass. Attention is given to the results of a periodogram analysis of the data in which amplitudes are given in intensity units. These data, after subtraction of the short period modulations, were folded with the orbital period to yield average light and color curves. It appears that the site at which the original radiation is being reprocesed is located far enough from the disk so that both illuminating and reprocessed radiations can travel to and from it relatively undisturbed. The stability of the 859- and 805-sec periods is noted.
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