Near-Infrared Photometric Analyses of White Dwarf Stars

Details Near-Infrared Photometric Analyses of White Dwarf Stars Near-Infrared Photometric Analyses of White Dwarf Stars

2006-11-29

arxiv.org/abs/astro-ph/0611906v1

Astronomy and Astrophysics

Astrophysics

6 pages, 3 figures, to appear in the ASP Conference Series for the 15th European White Dwarf Workshop

Scientific paper

We review the available near- and mid- infrared photometry data sets for white dwarfs from the Two Micron All-Sky Survey (2MASS) Point Source Catalog and the Spitzer Space Telescope. These data sets have been widely used to search for white dwarfs with an infrared excess as well as to characterize the atmosphere of cool white dwarfs. We evaluate the reliability of the 2MASS photometry by performing a statistical comparison with published JHK CIT magnitudes, and by carrying out a detailed model atmosphere analysis of the available photometry. We then present a critical examination of various results published in the literature including data from the Spitzer Space Telescope.

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