TU Tau B: The Peculiar “Eclipse” of a Possible Proto-barium Giant

TU Tau B: The Peculiar “Eclipse” of a Possible Proto-barium Giant

TU Tau (=HD 38218 = HIP 27135) is a binary system consisting of a C-N carbon star primary and an A-type secondary. We report on new photometry and spectroscopy which tracked the recent disappearance of the A-star secondary. The dimming of the A star was gradual and irregular, with one or more brief...

Full description

Bibliographic Details
Main Authors: Richard O. Gray, Christopher J. Corbally, Michael M. Briley, Adam McKay, Forrest Sims, David Boyd, Christophe Boussin, Courtney E. McGahee, Robert Buchheim, Gary Walker, David Iadevaia, David Cejudo Fernandez, Damien Lemay, Jack Martin, Jim Grubb, Albert Stiewing, Joseph Daglen, Keith Shank, Sydney Andrews, Nick Barnhardt, Rebekah Clark, Hunter Corman, Sabina Gomes, Agastya Jonnalagadda, Theo McDaries, Ava Mills, Will Newsom, Andrew Slate, Michael Watts
Format: Article
Language:English
Published: IOP Publishing 2023-01-01
Series:The Astronomical Journal
Subjects:
Eclipsing binary stars
Barium stars
A stars
Carbon stars
N stars
S-process
Online Access:https://doi.org/10.3847/1538-3881/acf1fe

Internet

https://doi.org/10.3847/1538-3881/acf1fe

Similar Items