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Connecting the progenitors, pre-explosion variability and giant outbursts of luminous blue variables with Gaia16cfr

Kilpatrick, Charles D.; Foley, Ryan J; Drout, Maria R.; Pan, Yen-Chen; Panther, Fiona Helen; Coulter, David A.; Filippenko, Alexei V.; Marion, G H; Piro, Anthony L; Rest, A.; Seitenzahl, Ivo; Strampelli, G; Wang, Xi

Description

We present multi-epoch, multicolour pre-outburst photometry and post-outburst light curves and spectra of the luminous blue variable (LBV) outburst Gaia16cfr discovered by the Gaia satellite on 2016 December 1 UT. We detect Gaia16cfr in 13 epochs of Hubble Space Telescope imaging spanning phases of 10 yr to 8 months before the outburst and in Spitzer Space Telescope imaging 13 yr before outburst. Pre-outburst optical photometry is consistent with an 18 M⊙ F8 I star, although the star was likely...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
URI: http://hdl.handle.net/1885/196962
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stx2675
Access Rights: Open Access

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