Discovery of an "Eclipse" in the WC9d-Type Wolf-Rayet Star, WR 53
Rod Stubbings
TL;DR
This paper reports the first recorded eclipse in the WC9d-type Wolf-Rayet star WR 53, observed as a 1.2 magnitude dip followed by a steady recovery over 10 days, indicating new variability behavior.
Contribution
It documents the first-ever observation of an eclipse in WR 53, revealing previously unknown photometric variability in this star type.
Findings
First eclipse observed in WR 53
Eclipse depth of 1.2 magnitudes
Brightness recovered over 10 days
Abstract
The WC9d-type Wolf-Rayet star WR 53 was observed visually entering into an "eclipse" with a depth of 1.2 magnitude. Subsequent visual and CCD data showed a steady linear rise over 10 days to recover and return to its normal brightness level. This is the first-ever recorded "eclipse" of this star which has previously shown no photometric variability.
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Taxonomy
TopicsAstronomical Observations and Instrumentation · Stellar, planetary, and galactic studies · Astro and Planetary Science