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arXiv · astro-ph/9804064

The Southern Sky Redshift Survey

L. Nicolaci da Costa·C. N. A. Willmer·P. S. Pellegrini·O. L. Chaves·C. Rite·M. A. G. Maia·M. J. Geller·D. W. Latham·M. J. Kurtz·J. P. Huchra·M. Ramella·A. P. Fairall·C. Smith·S. Lipari
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Abstract

We report redshifts, magnitudes and morphological classifications for 5369 galaxies with $m_B \leq 15.5$ and 57 galaxies fainter than this limit, in two regions covering a total of 1.70 steradians in the southern celestial hemisphere. The galaxy catalog is drawn primarily from the list of non-stellar objects identified in the Guide Star Catalog (Lasker et al. 1990, AJ 99, 2019; hereafter GSC). The galaxies have positions accurate to about 1 arc sec and magnitudes with an rms scatter of about 0.3 mag. We compute magnitudes ($m_{SSRS2}$) from the relation between instrumental GSC magnitudes and the photometry by Lauberts & Valentijn (1989). From a comparison with CCD photometry, we find that our system is homogeneous across the sky and corresponds to magnitudes measured at the isophotal level $\sim$ 26 mag arcsec$^{-2}$. The precision of the radial velocities is of \sim 40 km/s and the redshift survey is more than 99% complete to the $m_{SSRS2}$ = 15.5 magnitude limit. This sample is in the direction opposite to the CfA2; in combination the two surveys provide an important database for studies of the properties of galaxies and their large-scale distribution in the nearby Universe.

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L. Nicolaci da Costa, C. N. A. Willmer, P. S. Pellegrini, O. L. Chaves, C. Rite, M. A. G. Maia, M. J. Geller, D. W. Latham, M. J. Kurtz, J. P. Huchra, M. Ramella, A. P. Fairall, C. Smith, S. Lipari. 1998-04-06. The Southern Sky Redshift Survey. https://doi.org/10.1086/300410

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