1996A&A...312..553V


C.D.S. - SIMBAD4 rel 1.7 - 2021.04.19CEST15:43:03

1996A&A...312..553V - Astronomy and Astrophysics, volume 312, 553-559 (1996/8-2)

HD 133656: a new high-latitude supergiant.

VAN WINCKEL H., OUDMAIJER R.D. and TRAMS N.R.

Abstract (from CDS):

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-AGB 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.

Abstract Copyright:

Journal keyword(s): stars: circumstellar matter - stars: evolution - stars: individual: HD 133656 - stars: mass loss - stars: AGB and post-AGB

Simbad objects: 11

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Number of rows : 11

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 HD 4912 * 00 51 47.05660 +48 03 23.6515   8.78 7.53     K0 12 1
2 HD 44179 pA* 06 19 58.2185496 -10 38 14.706068 9.51 9.33 9.02     B9Ib/II 725 0
3 V* PS Gem pA* 07 03 39.6306725638 +10 46 13.076555664   7.76 7.37     A0 108 0
4 HD 56126 pA* 07 16 10.2589670319 +09 59 47.953674864   9.20 8.32     F0/5Ia 306 0
5 HD 89353 pA* 10 18 07.5892879413 -28 59 31.194541133   5.76 5.53     B9.5Ib/II 289 0
6 HD 116745 pA* 13 26 26.3183210732 -47 16 27.349715574   11.08 10.79     A7/9 64 0
7 HD 133656 pA* 15 07 27.4398236586 -48 17 53.892490912 8.09 7.88 7.58 8.45   A5Iab 48 0
8 V* V340 Ser RV* 17 30 46.9250020324 -11 22 08.314111714   10.51 9.68     F2/3II 33 0
9 HD 187885 pA* 19 52 52.7031438648 -17 01 50.293465852   9.25 8.68 8.32   F2/6Ia 171 0
10 BD-13 5550 pA* 20 01 49.8289925402 -12 41 17.770844367 10.62 11.3 11.4     B1Ibe 72 0
11 BD+39 4926 pA* 22 46 11.2279685924 +40 06 26.304627650   9.43 9.29     B8 116 0

    Equat.    Gal    SGal    Ecl

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