SIMBAD references

1995PASP..107..927C - Publ. Astron. Soc. Pac., 107, 927-930 (1995/October-0)

X-ray discovery of a hot PG 1159 star, RX J0122.9-7521.

COWLEY A.P., SCHMIDTKE P.C., HUTCHINGS J.B. and CRAMPTON D.

Abstract (from CDS):

The supersoft X-ray source RX J0122.9-7521 has been optically identified with an extremeley hot PG1159 star. Its spectrum shows high excitation emission lines from which we estimate Teff ∼140,000K and log g∼7. Limited photometry taken during six nights shows no conclusive variability, but we cannot rule out short-period, low-amplitude pulsations (P<5 min) as are found in some PG1159 stars. There is some evidence for variations in the emission-line strengths, but higher quality spectra are needed to confirm this.

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Simbad objects: 6

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