The Distribution of Low Surface Brightness Galaxies in the Pisces-Perseus Supercluster

Details The Distribution of Low Surface Brightness Galaxies in the Pisces-Perseus Supercluster The Distribution of Low Surface Brightness Galaxies in the Pisces-Perseus Supercluster

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...201.1420c&link_type=abstract

American Astronomical Society, 201st AAS Meeting, #14.20; Bulletin of the American Astronomical Society, Vol. 34, p.1121

Astronomy and Astrophysics

Astronomy

Scientific paper

We present results of our new HI observations of more than 70 ``blue edge'' galaxies in the field south of the Pisces-Perseus Supercluster (PPS) ridge performed with the Arecibo 305m. These ``blue edge'' galaxies, selected from the Minnesota Automated Plate Scanner Catalog of the POSS I, have been previously identified as the high surface brightness end of the population of low surface brightness galaxies (Cabanela & Dickey 2002). As such, they are good Low Surface Brightness galaxy (LSB) candidates. Roughly 65% of the observed LSB candidates were detected in HI with cz between 0 and 12000 km s-1. Since over 1000 ``normal'' galaxies in the PPS field have already had their redshifts determined (mostly by Giovanelli, Haynes, and collaborators), we can compare the distribution of the now over 100 known LSBs in a single supercluster field with the known large-scale structure for that supercluster. This allows a more detailed examination of the environment LSBs call home than previous studies which relied on a few hundred LSBs scattered over several steradians of sky (a la Bothun et al. 1993 or Mo et al. 1994), Our initial results support those earlier studies which suggested that LSBs trace out the same large-scale structures as ``normal'' high surface brightness galaxies. This research was supported in part by NSF grant AST 0071192 to Haverford College.

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