1998BaltA...7...71D


C.D.S. - SIMBAD4 rel 1.7 - 2020.10.21CEST15:42:13

1998BaltA...7...71D - Baltic Astronomy, 7, 71-82 (1998/March-0)

HST spectroscopy of PG 1159 stars: the boundary of the GW Vir instability strip.

DREIZLER S.

Abstract (from CDS):

Our recent analysis of PG 1159 stars, mainly based on the HST spectroscopy, is presented. The results allow several conclusions regarding the boundary of the GW Vir instability strip and the driving mechanism for these pulsations.

Abstract Copyright:

Journal keyword(s): stars: white dwarfs, atmospheres, abundances, oscillations - stars: individual (PG 1159-035, PG 2131+066, HS 2324+3944)

Simbad objects: 13

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Number of rows : 13

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 PG 0122+200 WD* 01 25 22.5118179721 +20 17 56.963251283   16.2   16.9   DOZ.7 102 0
2 GD 1088 ** 01 32 39.347 -19 21 40.38   15.51 15.77 15.77   PG1159 42 0
3 HS 0704+6153 WD* 07 09 32.4974363571 +61 48 19.452647859   17.3   17.1   PG1159 31 0
4 V* GW Vir WD* 12 01 45.9728868858 -03 45 40.627851273   14.87 15.04     DOQZ1 464 0
5 PG 1424+535 WD* 14 25 55.4619829653 +53 15 25.137354831   15.86       PG1159 68 0
6 HS 1517+7403 WD* 15 16 46.4249329771 +73 52 06.956578954   16.4   16.9   DO 34 0
7 PG 1520+525 PN 15 21 46.5638122905 +52 22 03.868713843   15.56 16.6     PG1159 99 1
8 PG 1707+427 WD* 17 08 47.6869967260 +42 41 00.558830272   16.18       PG1159 109 0
9 PN A66 43 PN 17 53 32.2767918769 +10 37 24.211581466   14.53 14.71     O7fk 125 0
10 MWP 1 PN 21 17 08.2817539788 +34 12 27.415871206     12.33     PG1159 173 0
11 V* IR Peg WD* 21 34 08.2124719240 +06 50 57.662044329   16.15       PG1159 112 0
12 NGC 7094 PN 21 36 52.9688055651 +12 47 19.100520826     13.35     ~ 176 0
13 V* V409 And WD* 23 27 15.9352164958 +40 01 23.428438900   14.1 15.41     DO 69 0

    Equat.    Gal    SGal    Ecl

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2020.10.21-15:42:13

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