A Near-Infrared Imaging Search for Invisible Galaxies behind the Milky Way

Details A Near-Infrared Imaging Search for Invisible Galaxies behind the Milky Way A Near-Infrared Imaging Search for Invisible Galaxies behind the Milky Way

Feb 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997pasj...49...47i&link_type=abstract

Publications of the Astronomical Society of Japan, v.49, p.47-58.

Astronomy and Astrophysics

Astronomy

4

Galaxies: Milky Way, Galaxies: Near-Infrared Imaging, Galaxies: Search, Infrared: Sources, Interstellar: Extinction

Scientific paper

We carried out a near-infrared imaging search for optically obscured galaxies behind the Milky Way. The imagings were made for a 4' times 4' field on each of 58 IRAS point sources, located within a region of 90(deg) < l < 240(deg) , |b| < 10(deg) and having reliable flux densities at 25, 60, and 100 mu m, but no Galactic CO emission. The results revealed that 16 of these IRAS point sources can be associated with galaxies or possible galaxies, and another 16 can be associated with stars or HII regions; however, the remaining 26 are `empty' objects without any optical and near-infrared counterpart. The empty objects are colder than galaxies and seem to be Galactic objects.

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