A catalog of morphologically classified galaxies from the Sloan Digital Sky Survey: North equatorial region

被引:134
作者
Fukugita, Masataka [1 ]
Nakamura, Osamu
Okamura, Sadanori
Yasuda, Naoki
Barentine, John C.
Brinkmann, Jon
Gunn, James E.
Harvanek, Mike
Ichikawa, Takashi
Lupton, Robert H.
Schneider, Donald P.
Strauss, Michael A.
York, Donald G.
机构
[1] Univ Tokyo, Inst Cosm Ray Res, Kashiwa, Chiba 2778582, Japan
[2] Inst Adv Study, Princeton, NJ 08540 USA
[3] Waseda Univ, Grad Sch Polit Sci, Tokyo 1698050, Japan
[4] Univ Tokyo, Dept Astron, Tokyo 133, Japan
[5] Apche Point Observ, Sunspot, NM 88349 USA
[6] Princeton Univ Observ, Princeton, NJ 08544 USA
[7] Tohoku Univ, Inst Astron, Sendai, Miyagi 9808578, Japan
[8] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA
[9] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA
关键词
catalogs; galaxies : fundamental parameters;
D O I
10.1086/518962
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present a catalog of morphologically classified bright galaxies in the north equatorial stripe (230 deg(2)) derived from the Third Data Release of the Sloan Digital Sky Survey (SDSS). Morphological classification is performed by visual inspection of images in the g band. The catalog contains 2253 galaxies complete to a magnitude limit of r = 16 after Galactic extinction correction, selected from 2658 objects that are judged to be extended in the photometric catalog in the same magnitude limit. A total of 1866 galaxies in our catalog have spectroscopic information. A brief statistical analysis is presented for the frequency of morphological types and mean colors in the catalog. A visual inspection of the images reveals that the rate of interacting galaxies in the local universe is approximately 1.5% in the r <= 16 sample. A verification is made for the photometric catalog generated by the SDSS, especially as to its brightend completeness.
引用
收藏
页码:579 / 593
页数:15
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