The Hamburg/SAO survey for emission-line galaxies. VI. The sixth list of 126 galaxies

Details The Hamburg/SAO survey for emission-line galaxies. VI. The sixth list of 126 galaxies The Hamburg/SAO survey for emission-line galaxies. VI. The sixth list of 126 galaxies

2005-07-05

arxiv.org/abs/astro-ph/0507082v1

Astronomy and Astrophysics

Astrophysics

18 pages, including 8 tables and 1 figure. Plots of the spectra of 126 ELGs are in a separate 13-page Appendix. Accepted for p

Scientific paper

10.1051/0004-6361:20042466

We present the sixth list with results of the Hamburg/SAO Survey for Emission-Line Galaxies. The final list resulted from follow-up spectroscopy conducted with the 4.5m MMT telescope in 1996, and with 2.2m CAHA and 6m SAO telescopes in 2000 to 2003. The data of this snap-shot spectroscopy survey confirmed 134 emission-line objects out of 182 observed candidates and allowed their quantitative spectral classification and redshift determination. We classify 73 emission-line objects as definite or probable blue compact or HII galaxies (BCG), 8 as QSOs, 4 as Seyfert 1 and 2 galaxies. 30 low-excitation objects were classified as definite or probable starburst nuclei (SBN), 3 as dwarf amorphous nuclei starburst galaxies (DANS) and 2 as LINERs. Due to the low signal-to-noise ratio we could not classify 14 ELGs (NON). For another 9 galaxies we did not detect any significant emission lines. For 98 emission-line galaxies, the redshifts and/or line intensities are determined for the first time. For the remaining 28 previously-known ELGs we give either improved data the line intensities or some independent measurements. The detection rate of ELGs is ~70%. This paper completes the classification of strong-lined ELGs found in the zone of the Hamburg/SAO survey. Together with previously known BCG/HII galaxies in this zone, this sample of ~500 objects is the largest to date in a well bound region.

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