SIMBAD references

2014MNRAS.442.2278K - Mon. Not. R. Astron. Soc., 442, 2278-2281 (2014/August-2)

Discovery of a new PG 1159 (GW Vir) pulsator.

KEPLER S.O., FRAGA L., WINGET D.E., BELL K., CORSICO A.H. and WERNER K.

Abstract (from CDS):

We report the discovery of pulsations in the spectroscopic PG 1159 type pre-white dwarf SDSS J075415.12+085232.18. Analysis of the spectrum by Werner et al. indicated Teff = 120000±10000 K, logg = 7.0±0.3, mass M=0.52 ±0.02 M_☉, C/He = 0.33 by number. We obtained time series images with the SOAR 4.1 m telescope and 2.1 m Otto Struve telescope at McDonald Observatory and show the star is also a variable PG 1159 type star, with dominant period of 525s.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): stars: individual: SDSS J075415.12+085232.18 - white dwarfs

Simbad objects: 6

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