HII regions in NGC 5457 and NGC 4395 (Cedres+, 2002)

Details HII regions in NGC 5457 and NGC 4395 (Cedres+, 2002) HII regions in NGC 5457 and NGC 4395 (Cedres+, 2002)

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002ycat..33910809c&link_type=abstract

VizieR On-line Data Catalog: J/A+A/391/809. Originally published in: 2002A&A...391..809C

Physics

H Ii Regions, Photometry: H-Alpha, Photometry: H-Beta, Photometry: Narrow-Band, Abundances

Scientific paper

Line intensities, visual extinction, abundances and ionization hardness parameter for HII regions in two spiral galaxies are presented. The following galaxies have been observed: NGC 5457 and NGC 4395. In NGC 5457 have been obtained data for 338 regions. In NGC 4395 have been obtained data for 158 regions. For each region position, visual extinction, H-alpha flux, H-alpha equivalent width, H-beta flux, H-beta equivalent width, [OII] flux, [OIII] flux, [SII] flux, [SIII] flux (only for NGC 5457), R23 parameter, oxygen abundance and ionization hardness parameter (only for NGC 5457) are given. (6 data files).

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