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Carbon stars with episodic mass loss: Observations and models of molecular emission from detached circumstellar shells
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Astronomical observatory.
1996 (English)In: ASTRONOMY AND ASTROPHYSICS, ISSN 0004-6361, Vol. 311, no 2, 587-615 p.Article in journal (Refereed) Published
Abstract [en]

We have obtained detailed CO radio line maps of the circumstellar medium around the bright carbon stars R Scl, U Ant, S Sct, and TT Cyg. They provide direct evidence for the existence of large [radii between 10 - 70'', or (1 - 5) x 10(17) cm], geometrical

Place, publisher, year, edition, pages
SPRINGER VERLAG , 1996. Vol. 311, no 2, 587-615 p.
Keyword [en]
stars; carbon; circumstellar matter; stars; mass-loss; radio lines; stars; IRC + 10216; ASYMPTOTIC GIANT BRANCH; S-SCUTI; CO EMISSION; OXYGEN-RICH; ENVELOPES; IRAS; PHOTODISSOCIATION; PHOTOCHEMISTRY; ASYMMETRIES
URN: urn:nbn:se:uu:diva-85368OAI: oai:DiVA.org:uu-85368DiVA: diva2:113276
Addresses: Olofsson H, STOCKHOLM OBSERV, S-13336 SALTSJOBADEN, SWEDEN. UNIV ARIZONA, STEWARD OBSERV, TUCSON, AZ 85721. UPPSALA ASTRON OBSERV, S-75120 UPPSALA, SWEDEN. ONSALA SPACE OBSERV, S-43992 ONSALA, SWEDEN.Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2011-01-15

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