White dwarfs in the European Galactic Plane Surveys (EGAPS)

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dc.creatorMorales-Rueda, L.
dc.creatorGroot, P. J.
dc.creatorNapiwotzki, R.
dc.creatorDrew, J.
dc.creatorcollaboration, the EGAPS
dc.date2006-10-24
dc.date.accessioned2026-07-07T07:27:06Z
dc.date.available2026-07-07T07:27:06Z
dc.descriptionThe space density of white dwarfs is highly uncertain even nearby. This results from the fact that the known sample of white dwarfs is largely incomplete in part because most white dwarfs have been discovered as by-products in non-dedicated surveys. In order to obtain more accurate white dwarf space densities and scale heights we must build up a complete sample of white dwarfs. The European Galactic Plane Surveys (EGAPS) are the best database to search for white dwarfs as they will provide broad band (U, g', r', i') and narrow band (Halpha and HeI) measurements for one per cent of all the stars in the Galaxy. By looking at the Galactic Plane, where most stars are, we ensure that we are obtaining a complete sample. The space densities obtained from EGAPS can then be compared with those found in high latitude surveys such as the Sloan Digital Sky Survey (SDSS). The methods used to identify white dwarfs using the colours available in EGAPS are described and some preliminary results presented.
dc.descriptionTo appear in the Proceedings of the 15th European Workshop on White Dwarfs, held in Leicester Aug 2006
dc.identifierhttps://arxiv.org/abs/astro-ph/0610701
dc.identifierhttp://arxiv.org/abs/astro-ph/0610701
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/117264
dc.subjectAstrophysics
dc.titleWhite dwarfs in the European Galactic Plane Surveys (EGAPS)
dc.typetext

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