ITEM METADATA RECORD
Title: HD 133656: A new high-latitude supergiant
Authors: Van Winckel, Hans
Oudmaijer, RD
Trams, NR
Issue Date: Aug-1996
Publisher: Springer verlag
Series Title: Astronomy and astrophysics vol:312 issue:2 pages:553-559
Abstract: In the course of our study of post-asymptotic Giant Branch objects, we discovered that the seventh magnitude A supergiant HD 133656 has an infrared excess emission due to cool circumstellar dust, and that its photospheric abundance pattern is population II like. We present a detailed abundance study of the object, and discuss its nature in terms of post-AGE evolution: its galactic latitude, cold IR-excess, luminosity, abundances and photometric behaviour indicate HD 133656 to be a descendant of the F-type high-latitude supergiants. The deficiencies of the s-process elements are more difficult to understand in a post-AGB evolutinary scenario.
URI: 
ISSN: 0004-6361
Publication status: published
KU Leuven publication type: DI
Appears in Collections:Institute of Astronomy

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