1998PASP..110.1315G

Query : 1998PASP..110.1315G

1998PASP..110.1315G - Publ. Astron. Soc. Pac., 110, 1315-1317 (1998/November-0)

Spectroscopic monitoring of HD 49798: a hot subdwarf with an X-ray pulsating companion.

GARRISON R.F.

Abstract (from CDS):

The spectrum of the sdO star HD 49798 was monitored for a week in 1995 December with the Helen Sawyer Hogg Telescope of the University of Toronto Southern Observatory. The resolution of the spectra is 1.7 Å.pixel–1. A new spectral type of sdO5.5 has been determined. Some subtle changes may be attributable to the X-ray pulsating companion, but no gross changes were observed on timescales of days, hours, or tens of minutes.

Abstract Copyright: ∼

Journal keyword(s): Stars: Binaries: Close - Stars: Early-Type - Stars: Individual: Henry Draper Number: HD 49798 - Stars: Subdwarfs - X-Rays

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 HD 46150 Y*O 06 31 55.5205071744 +04 56 34.296516096 6.03 6.86 6.73 6.50 6.41 O5V((f))z 413 0
2 * 15 Mon Be* 06 40 58.65963 +09 53 44.7229 3.360 4.45 4.68   4.88 O7V+B1.5/2V 823 0
3 HD 49798 HXB 06 48 04.7001531360 -44 18 58.436036028 6.758 8.017 8.287 8.391 8.543 sdO6 339 0

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