Doubling the Number of White Dwarf Stars: The First SDSS White Dwarf Catalog

Astronomy and Astrophysics – Astronomy

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Scientific paper

I present the full spectroscopic white dwarf and hot subdwarf sample from the SDSS first data release, DR1. In it are 2551 white dwarf stars of various subtypes, 240 hot subdwarf stars, and an additional 157 (a correction from the journal version of this paper) objects we have identified as uncertain white dwarf stars. Of the white dwarf stars, 1888 are non-magnetic DAs and 171, non-magnetic DBs. The remaining objects consist of all different types of white dwarf stars: DO, DQ, DC, DH, DZ, hybrid stars like DAB, etc., and those with non-degenerate companions. We fit the DA and DB spectra with a grid of models to determine the Teff and log(g) for each object. For all objects, we provide coordinates, proper motions, SDSS photometric magnitudes, and enough information to retrieve the spectrum/image from the SDSS public database. This catalog nearly doubles the known sample of spectroscopically-identified white dwarf stars. In the DR1-imaged area of the sky, we increase the known sample of white dwarf stars by factor of 8.5.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

Doubling the Number of White Dwarf Stars: The First SDSS White Dwarf Catalog does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Doubling the Number of White Dwarf Stars: The First SDSS White Dwarf Catalog, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Doubling the Number of White Dwarf Stars: The First SDSS White Dwarf Catalog will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-1434304

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.