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| Query : 2010A&A...524A..24B |
2010A&A...524A..24B - Astronomy and Astrophysics, volume 524A24-24 (2010/12-1)
Star-forming galaxies in low-redshift clusters: comparison of integrated properties of cluster and field galaxies.
BRETHERTON C.F., JAMES P.A., MOSS C. and WHITTLE M.
Abstract (from CDS):
We investigate the effect of the cluster environment on the star formation properties of galaxies in 8 nearby Abell clusters. Star formation properties are determined for individual galaxies using the equivalent width of Hα+[Nii] line emission from narrow-band imaging. Equivalent width distributions are derived for each galaxy type in each of 3 environments - cluster, supercluster (outside the cluster virial radius) and field. The effects of morphological disturbance on star formation are also investigated. We identify a population of early-type disk galaxies in the cluster population with enhanced star formation compared to their field counterparts. The enhanced cluster galaxies frequently show evidence of disturbance, and the disturbed galaxies show marginal evidence for a higher velocity dispersion, possibly indicative of an infalling population.
Abstract Copyright: ∼
Journal keyword(s): galaxies: clusters: general - galaxies: evolution - galaxies: interactions
Simbad objects: 11
| Number of rows : 11 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ACO 262 | ClG | 01 52 50.4 | +36 08 46 | ~ | 727 | 1 | |||||
| 2 | ACO 347 | ClG | 02 25 50 | +41 52.5 | ~ | 149 | 1 | |||||
| 3 | ACO 400 | ClG | 02 57 37.4 | +06 00 45 | ~ | 408 | 3 | |||||
| 4 | ACO 426 | ClG | 03 19 47.6 | +41 30 54 | ~ | 2508 | 1 | |||||
| 5 | ACO 569 | ClG | 07 09 10.4 | +48 37 10 | ~ | 172 | 1 | |||||
| 6 | ACO 779 | ClG | 09 20 02.70 | +33 45 29.7 | ~ | 261 | 0 | |||||
| 7 | NGC 3310 | AGN | 10 38 45.85707 | +53 30 11.8940 | 12.45 | 12.15 | ~ | 809 | 1 | |||
| 8 | ACO 1367 | ClG | 11 44 44.6 | +19 41 59 | ~ | 1127 | 1 | |||||
| 9 | NAME Virgo Cluster | ClG | 12 30 47.8 | +12 23 07 | ~ | 7107 | 0 | |||||
| 10 | ACO 1656 | ClG | 12 59 44.40 | +27 54 44.9 | ~ | 5141 | 2 | |||||
| 11 | ACO 2255 | ClG | 17 12 56.0 | +64 04 06 | ~ | 605 | 0 |
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