IPHAS: Surveying the North Galactic Plane in H-alpha

Details IPHAS: Surveying the North Galactic Plane in H-alpha IPHAS: Surveying the North Galactic Plane in H-alpha

Mar 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ingn....9....3d&link_type=abstract

The Newsletter of the Isaac Newton Group of Telescopes (ING Newsl.), issue no. 9, p. 3-7.

Physics

Galactic Plane, H-Alpha, Survey

Scientific paper

H-alpha emission is ubiquitous in our Galaxy. It traces ionised gas of assorted nebulae such as HII regions, planetary nebulae, Wolf-Rayet nebulae, and supernova remnants. It is a strong signature of active stars, interacting binaries, very massive stars (especially supergiants, Luminous Blue Variables and Wolf-Rayet stars), Be stars, post-AGB stars, pre-main-sequence stars and so on. These objects represent important evolutionary phases which are generally short lived, and are hence few in number and difficult to find. Their discovery is therefore well worth the effort of a concerted programme and in August 2003 a major new survey project was started using the Wide Field Camera (WFC) on the Isaac Newton Telescope (INT) to do just that. It is called the INT Photometric H-alpha Survey of the Northern Galactic Plane, or IPHAS for short.

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