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KI emission from envelopes around N-type stars - Spectroscopic observations and interpretations
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Astronomical observatory.
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1997 (English)In: ASTRONOMY AND ASTROPHYSICS, ISSN 0004-6361, Vol. 318, no 2, 535-542 p.Article in journal (Refereed) Published
Abstract [en]

Circumstellar envelopes around three bright N-type stars, R Scl, X TrA, and V Aql have been detected in emission in resonance lines from K I. This radiation, which is most probably scattered photospheric radiation, was first found spectroscopically, but h

Place, publisher, year, edition, pages
SPRINGER VERLAG , 1997. Vol. 318, no 2, 535-542 p.
Keyword [en]
stars: carbon; circumstellar matter; stars: individual: R Scl; X TrA; V Aql; stars: mass-loss; stars: AGB; BRIGHT CARBON STARS; CIRCUMSTELLAR ENVELOPES; SCATTERING; GIANTS; SHELLS; LINE; NAI
URN: urn:nbn:se:uu:diva-85355OAI: oai:DiVA.org:uu-85355DiVA: diva2:113263
Addresses: Gustafsson B, ASTRON OBSERV, BOX 515, S-75120 UPPSALA, SWEDEN. STOCKHOLM OBSERV, ROYAL SWEDISH ACAD SCI, S-13336 SALTSJOBADEN, SWEDEN. MID SWEDEN UNIV, DEPT PHYS & MATH, S-85170 SUNDSVALL, SWEDEN.Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2011-01-15

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