Hα survey of spiral galaxies

Details Hα survey of spiral galaxies Hα survey of spiral galaxies

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001sf2a.conf..317g&link_type=abstract

Abstracts from SF2A-2001: Semaine de l'Astrophysique Francaise, meeting held in Lyon, France, May 28-June 1st, 2001, Eds.: F. Co

Astronomy and Astrophysics

Astrophysics

Scientific paper

GHASP(Gassendi Hα survey of SPirals) is a survey of Hα in spiral galaxies at z=0. The observations began in 1998 at the 1.93m telescope of the O.H.P., with a scanning Fabry-Perot. For each galaxy, we obtain the Hα map, the 2D velocity field and the rotation curve.Most of them have already been observed in HI in the frame of the WHISP program led at Westerbork. The aim of this survey is to provide a local sample of about 200 nearby spiral galaxies at the Hα wavelength in order to study their internal dynamics and mass distribution.

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