The Montreal Blue Galaxy survey. 2: Second list of UV-bright candidates

Astronomy and Astrophysics – Astronomy

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Active Galactic Nuclei, H Ii Regions, Sky Surveys (Astronomy), Starburst Galaxies, Ultraviolet Emission, Emission Spectra, Infrared Astronomy Satellite, Red Shift, Spectral Line Width, Stellar Spectrophotometry, Tables (Data)

Scientific paper

We present and discuss the second list of the Montreal Blue Galaxy survey. Following the inspection of 71 plates, we found 237 new candidates with B less than 15.5. 73 percent of them are also detected by Infrared Astronomy Satellite (IRAS). Spectrophotometry was carried out, at medium resolution, for a subset of 40 objects leading to the identification of three new AGNs and producing 13 new radial velocities. Spectral classification of our candidates confirms our previous finding that the majority of our candidates are starburst nucleus galaxies similar to the objects studied by Balzano in 1983. Our survey is biased against the high excitation starburst H II galaxies and the LINER galaxies. Metallicities of our galaxies are found to be from log (O/H)=8.4 to 9.0, which suggests galaxies in advanced stages of chemical evolution.

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