A sample of 554 white dwarfs showing infrared excess from Gaia EDR3 and CatWISE catalogs
Cristina Madurga Favieres,
Markus Kissler-Patig,
Siyi Xu
et al.
Abstract:White dwarfs (WDs) are generally intrinsically faint in the infrared (IR). Excess emission in the infrared results from low-mass companions or dusty material, potentially linked to the on-going accretion of planetary material. This work presents a new catalog of white dwarfs with (candidate) infrared excess. The final sample comes from a cross-match between the Gaia Early Data Release (EDR3) white dwarf candidates, and the CatWISE catalog, with candidate infrared excesses determined considering both magnitude … Show more
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