A DEEP, WIDE-FIELD Hα SURVEY OF NEARBY CLUSTERS OF GALAXIES: DATA

被引:7
|
作者
Sakai, Shoko [1 ]
Kennicutt, Robert C., Jr. [2 ,3 ]
Moss, Chris [4 ]
机构
[1] Univ Calif Los Angeles, Div Astron & Astrophys, Los Angeles, CA 90095 USA
[2] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA
[3] Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England
[4] Liverpool John Moores Univ, Astrophys Res Inst, Birkenhead CH41 1LD, Merseyside, England
来源
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2012年 / 199卷 / 02期
关键词
galaxies: clusters: general; galaxies: evolution; galaxies: ISM; H II regions; stars: formation; surveys; INTERNATIONAL SPECTROSCOPIC SURVEY; STAR-FORMATION RATE; DIGITAL SKY SURVEY; FORMING GALAXIES; FORMATION RATES; LOCAL UNIVERSE; IMAGING SURVEY; DISK GALAXIES; REDSHIFT; EMISSION;
D O I
10.1088/0067-0049/199/2/36
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the results of a wide-field H alpha imaging survey of eight nearby (z = 0.02-0.03) Abell clusters. We have measured H alpha fluxes and equivalent widths for 465 galaxies, of which 360 are new detections. The survey was designed to obtain complete emission-line-selected inventories of star-forming galaxies in the inner regions of these clusters, extending to star formation rates below 0.1 M-circle dot yr(-1). This paper describes the observations, data processing, and source identification procedures, and presents an Ha and R-band catalog of detected cluster members and other candidates. Future papers in the series will use these data to study the completeness of spectroscopically based star formation surveys, and to quantify the effects of cluster environment on the present-day populations of star-forming galaxies. The data will also provide a valuable foundation for imaging surveys of redshifted H alpha emission in more distant clusters.
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页数:10
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