BR surface photometry of emission-line galaxies (Vennik+, 2000)

Details BR surface photometry of emission-line galaxies (Vennik+, 2000) BR surface photometry of emission-line galaxies (Vennik+, 2000)

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ycat..41420399v&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/142/399. Originally published in: 2000A&AS..142..399V

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Galaxies: Photometry, Photometry: Surface

Scientific paper

Detailed B and R surface photometry is performed for 139 faint emission-line galaxies (ELGs) and for 2 non-ELGs. They are a subsample of the ELG sample selected by Popescu et al. (1996A&AS..116...43P, 1998A&AS..133...13P) towards four nearby voids. We derived the isophotal and integral photometric parameters and radial surface brightness (SB) profiles. Our sample consists mostly of low luminosity (B>med=-17.7), small linear size (25>med=6.0kpc) (H0=75km/s/Mpc) and blue (med=0.93) galaxies. About 83% of the studied ELGs belong to the class of Blue Compact Galaxies (BCGs); others are luminous Starburst Nucleus Galaxies (SBNs) and a few interacting pairs. 72% of the ELGs possess a single dominant H II region, while the remaining 28% show multiple knots. Furthermore 71% of the ELGs show regular outer isophotes, and the remaining 29% reveal disturbed outer morphologies.
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