Hα Catalogue of HCG Galaxies (Severgnini+, 1999)

Details Hα Catalogue of HCG Galaxies (Severgnini+, 1999) Hα Catalogue of HCG Galaxies (Severgnini+, 1999)

May 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999ycat..41370495s&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/137/495. Originally published in: 1999A&AS..137..495S

Computer Science

Galaxies: Photometry, Photometry: H-Alpha

Scientific paper

We present Hα photometry for a sample of 95 galaxies in Hickson Compact Groups (Cat. ) obtained from observations of 31 groups. The Catalogue lists isophotal and adaptive aperture (Kron aperture) flux measurements for about 75% of the accordant galaxies inside the observed HCGs, 22 out of which are upper limits. Non standard data reduction procedures have been used to obtain the continuum subtracted Hα images for each HCG of the target sample. Flux calibration has also been performed in order to obtain Hα luminosities for the whole sample. Both the data reduction and calibration procedures are carefully described in the paper. (4 data files).

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