BVRI Photometry of the Peculiar Ring Galaxy HRG 2302

Details BVRI Photometry of the Peculiar Ring Galaxy HRG 2302 BVRI Photometry of the Peculiar Ring Galaxy HRG 2302

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998larm.confe.134m&link_type=abstract

"IX Latin American Regional IAU Meeting, "Focal Points in Latin American Astronomy", held in Tonantzintla, Mexico, Nov 9-13, 199

Astronomy and Astrophysics

Astronomy

Scientific paper

The ring galaxy HRG 2302 is little known in the literature and was CCD observed with the 1.6m telescope at the Pico dos Dias Observatory (LNA-CNPq) in the BVRI photometric system (an image in H-alpha was also secured). The images revealed for the first time that there are at least 15 other non-stellar objects within approximately 4' from the central galaxy. We perform a preliminar photometric analysis (luminosity profiles, integrated magnitudes, morphological classification, etc.) of HRG 2302 which revealed a structure with at least 7 knots and condensations distributed in a ring-shaped pattern of approximately 10" radius around the central bulge, which has the luminosity profile of an exponential disk.

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