The light curve of the semiregular variable l2 puppis - I. a recent dimming event from dust

Bedding, R. T., Zijlstra, A. A., Jones, A, Marang, F, Matsuura, Mikako ORCID: https://orcid.org/0000-0002-5529-5593, Retter, A, Whitelock, P.A and Yamamura, I 2002. The light curve of the semiregular variable l2 puppis - I. a recent dimming event from dust. Monthly Notices of the Royal Astronomical Society 337 (1) 10.1046/j.1365-8711.2002.05822.x

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Abstract

The nearby Mira-like variable L₂ Pup is shown to be undergoing an unprecedented dimming episode. The stability of the period rules out intrinsic changes to the star, leaving dust formation along the line of sight as the most likely explanation. Episodic dust obscuration events are fairly common in carbon stars but have not been seen in oxygen-rich stars. We also present a 10-μm spectrum, taken with the Japanese Infrared Telescope in Space satellite, showing strong silicate emission that can be fitted with a detached, thin dust shell, containing silicates and corundum....

Item Type:	Article
Date Type:	Published Online
Status:	Published
Schools:	Physics and Astronomy
Publisher:	Oxford University Press
ISSN:	0035-8711
Date of Acceptance:	28 June 2002
Last Modified:	17 May 2024 15:00
URI:	https://orca.cardiff.ac.uk/id/eprint/168113

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