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A Mystery in Chamaeleon: Serendipitous Discovery of a Galactic Symbiotic Nova

Lancaster, Lachlan; Greene, Jenny E.; Ting, Yuan-Sen; Koposov, Sergey; Pope, Benjamin J. S.; Beaton, Rachael


We present the serendipitous discovery of a low optical-luminosity nova occurring in a D-type symbiotic binary star system in the Milky Way. We lay out the extensive archival data alongside new follow-up observations related to the stellar object CN Cha in the constellation of Chamaeleon. The object had long period (250 days), high amplitude (3 mag) optical variability in its recent past, preceding an increase in optical brightness by 8 magnitudes and a persistence at this brightness for about...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: The Astronomical Journal
DOI: 10.3847/1538-3881/aba435
Access Rights: Open Access


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