HIFISTARSHerschel/HIFI observations of VY Canis Majoris

2013/10/05 by J. Alcolea, V. Bujarrabal, P. Planesas +18 · 1 citation
Physics and Astronomy · #Astro and Planetary Science #Astrophysics and Star Formation Studies #Stellar, planetary, and galactic studies #astro-ph.SR

paper · pdf · doi:10.1051/0004-6361/201321683

25 pags. 18 figs

openalex publication_date 2013/10/05 · arxiv created 2013/10/09 · arxiv updated 2013/10/10 · openalex created_date 2016/09/23 · openalex updated_date 2026/08/04

Abstract

Aims. The study of the molecular gas in the circumstellar envelopes of evolved stars is normally undertaken by observing lines of CO (and other species) in the millimetre-wave domain. In general, the excitation requirements of the observed lines are low at these wavelengths, and therefore these observations predominantly probe the cold outer envelope while studying the warm inner regions of the envelopes normally requires sub-millimetre (sub-mm) and far-infrared (FIR) observational data.

Citations

• Pure rotational spectra of TiO and TiO2in VY Canis Majoris
• Arcsecond-resolution ^\mathsf12CO mapping of the yellow hypergiants IRC +10420 and AFGL 2343
• Fundamental properties and atmospheric structure of the red supergiant VY Canis Majoris based on VLTI/AMBER spectro-interferometry
• Mass loss and rotational CO emission from Asymptotic Giant Branch stars
• Probing the mass-loss history of AGB and red supergiant stars from CO rotational line profiles - II. CO line survey of evolved stars: derivation of mass-loss rate formulae

Cited by

• Canis Major [wikipedia]