Buscar
Mostrando ítems 1-10 de 649
CNO in evolved intermediate mass star
(Astronomy & Astrophysics, 2006)
A catalog of rotational and radial velocities for evolved starsA catalog of rotational and radial velocities for evolved stars
(EDP Sciences, 2006-07-20)
Aims.The present paper describes the first results of an observational program intended to refine and extend the existing measurements of metal-poor stars, with an emphasis on field evolved stars. Methods.The survey was ...
Basic physical parameters of a selected sample of evolved stars
(Astronomy & Astrophysics, 2006)
A catalog of rotational and radial velocities for evolved stars
(Astronomy & Astrophysics, 2014)
On the nature of rapidly rotating single evolved stars
(American Astronomical Society, 2020)
Lithium abundances and extra mixing processes in evolved stars of M 67
(Astronomy & Astrophysics, 2011)
ON THE NATURE OF THE PROTOTYPE LUMINOUS BLUE VARIABLE AG CARINAE. II. WITNESSING A MASSIVE STAR EVOLVING CLOSE TO THE EDDINGTON AND BISTABILITY LIMITS
(IOP PUBLISHING LTD, 2011)
We show that the significantly different effective temperatures (T(eff)) achieved by the luminous blue variable AG Carinae during the consecutive visual minima of 1985-1990 (T(eff) similar or equal to 22,800 K) and 2000-2001 ...
THE PAN-PACIFIC PLANET SEARCH. VI. GIANT PLANETS ORBITING HD 86950 AND HD 222076
(IOP PUBLISHING LTD, 2017)
We report the detection of two new planets orbiting the K giants HD 86950 and HD 222076, based on precise radial velocities obtained with three instruments: AAT/UCLES, FEROS, and CHIRON. HD 86950b has a period of 1270 +/- ...
Probing the ejecta of evolved massive stars in transition: A VLT/SINFONI K-band survey
(Edp Sciences, 2013-10)
Massive evolved stars in transition phases, such as Luminous Blue Variables (LBVs), B[e] Supergiants (B[e]SGs), and Yellow Hypergiants (YHGs), are not well understood, and yet crucial steps in determining accurate stellar ...