A DEEP PROPER MOTION CATALOG WITHIN THE SLOAN DIGITAL SKY SURVEY FOOTPRINT. II. THE WHITE DWARF LUMINOSITY FUNCTION
Journal Article
·
· The Astronomical Journal (Online)
- US Naval Observatory, Flagstaff Station, 10391 W. Naval Observatory Road, Flagstaff, AZ 86005-8521 (United States)
- Center for Space and Atmospheric Research, Embry-Riddle Aeronautical University, Daytona Beach, FL 32114-3900 (United States)
- University of Oklahoma, Homer L. Dodge Department of Physics and Astronomy, 440 W. Brooks Street, Norman, OK 73019 (United States)
- University of Arizona, Steward Observatory, Tucson, AZ 85721 (United States)
- Department of Physics and Astronomy, Texas A and M University–Commerce, P.O. Box 3011, Commerce, TX 75429 (United States)
- Department of Astronomy, University of Texas at Austin, 1 University Station C1400, Austin, TX 78712-0259 (United States)
- BYU Department of Physics and Astronomy, N283 ESC, Provo, UT 84602 (United States)
A catalog of 8472 white dwarf (WD) candidates is presented, selected using reduced proper motions from the deep proper motion catalog of Munn et al. Candidates are selected in the magnitude range 16<21.5 over 980 square degrees, and 16<21.3 over an additional 1276 square degrees, within the Sloan Digital Sky Survey (SDSS) imaging footprint. Distances, bolometric luminosities, and atmospheric compositions are derived by fitting SDSS ugriz photometry to pure hydrogen and helium model atmospheres (assuming surface gravities log g=8). The disk white dwarf luminosity function (WDLF) is constructed using a sample of 2839 stars with 5.5
- OSTI ID:
- 22863156
- Journal Information:
- The Astronomical Journal (Online), Vol. 153, Issue 1; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 1538-3881
- Country of Publication:
- United States
- Language:
- English
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