2011A&A...528A.107B

Query : 2011A&A...528A.107B

2011A&A...528A.107B - Astronomy and Astrophysics, volume 528A107-107 (2011/4-1)

The GALEX Ultraviolet Virgo Cluster Survey (GUViCS). I. The UV luminosity function of the central 12 sq. deg.

BOSELLI A., BOISSIER S., HEINIS S., CORTESE L., ILBERT O., HUGHES T., CUCCIATI O., DAVIES J., FERRARESE L., GIOVANELLI R., HAYNES M.P., BAES M., BALKOWSKI C., BROSCH N., CHAPMAN S.C., CHARMANDARIS V., CLEMENS M.S., DARIUSH A., DE LOOZE I., DI SEREGO ALIGHIERI S., DUC P.-A., DURRELL P.R., EMSELLEM E., ERBEN T., FRITZ J., GARCIA-APPADOO D.A., GAVAZZI G., GROSSI M., JORDAN A., HESS K.M., HUERTAS-COMPANY M., HUNT L.K., KENT B.R., LAMBAS D.G., LANCON A., MacARTHUR L.A., MADDEN S.C., MAGRINI L., MEI S., MOMJIAN E., OLOWIN R.P., PAPASTERGIS E., SMITH M.W.L., SOLANES J.M., SPECTOR O., SPEKKENS K., TAYLOR J.E., VALOTTO C., VAN DRIEL W., VERSTAPPEN J., VLAHAKIS C., VOLLMER B. and XILOURIS E.M.

Abstract (from CDS):

The GALEX Ultraviolet Virgo Cluster Survey (GUViCS) is a complete blind survey of the Virgo cluster covering ∼40deg2 in the far UV (FUV, λeff=1539Å, Δλ=442Å) and ∼120deg2 in the near UV (NUV, λeff=2316Å, Δλ=1060Å). The goal of the survey is to study the ultraviolet (UV) properties of galaxies in a rich cluster environment, spanning a wide luminosity range from giants to dwarfs, and regardless of prior knowledge of their star formation activity. The UV data will be combined with those in other bands (optical: NGVS; far-infrared - submm: HeViCS; HI: ALFALFA) and with our multizone chemo-spectrophotometric models of galaxy evolution to make a complete and exhaustive study of the effects of the environment on the evolution of galaxies in high density regions. We present here the scientific objectives of the survey, describing the observing strategy and briefly discussing different data reduction techniques. Using UV data already in-hand for the central 12deg2 we determine the FUV and NUV luminosity functions of the Virgo cluster core for all cluster members and separately for early- and late-type galaxies and compare it to the one obtained in the field and other nearby clusters (Coma, A1367). This analysis shows that the FUV and NUV luminosity functions of the core of the Virgo clusters are flatter (α~-1.1) than those determined in Coma and A1367. We discuss the possible origin of this difference.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: individual: Virgo - galaxies: evolution - galaxies: fundamental parameters - ultraviolet: galaxies - galaxies: luminosity function, mass function

VizieR on-line data: <Available at CDS (J/A+A/528/A107): table1.dat>

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 28

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Number of rows : 28
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 NGC 2992 Sy2 09 45 42.045 -14 19 34.90 13.54 13.14 12.18 12.6 12.2 ~ 951 3
2 Z 97-73 rG 11 42 56.45030 +19 57 58.3716 15.85 16.25   15.27   ~ 106 0
3 Z 97-79 GiC 11 43 13.096 +20 00 17.52 15.91 16.52   15.56   ~ 113 0
4 Z 97-87 GiC 11 43 49.1088652488 +19 58 05.954438316 13.96 14.35 13.59 13.29   ~ 237 3
5 ACO 1367 ClG 11 44 44.6 +19 41 59           ~ 1127 1
6 [KGH2007] 6 G 12 17 51 +14 46.5           ~ 56 0
7 LEDA 39621 LSB 12 19 05.114 +04 39 42.43   15.25       ~ 26 0
8 NGC 4298 GiC 12 21 32.7578814360 +14 36 22.048690716   12.04 11.34     ~ 358 1
9 NGC 4302 GiC 12 21 42.477 +14 35 51.94   13.4 11.61     ~ 348 0
10 IC 3199 LIN 12 21 45.6096098280 +10 35 44.267505072   15.4       ~ 31 0
11 NGC 4320 rG 12 22 57.7226454312 +10 32 53.944450872   15.3       ~ 52 0
12 NGC 4429 GiG 12 27 26.5040002440 +11 06 27.588767616   11.4       ~ 348 0
13 NGC 4438 LIN 12 27 45.6705493536 +13 00 31.708096380 11.37 11.02 10.17     ~ 668 2
14 SDSS J122942.96+104525.0 Sy2 12 29 42.9615849624 +10 45 24.913701540           ~ 88 0
15 IC 3418 LIN 12 29 43.919 +11 24 16.87   16.5       ~ 127 1
16 NGVS J123007.57+123631.0 GlC 12 30 07.5690151920 +12 36 30.997290168           ~ 27 0
17 Hanes II-105 GlC 12 30 37.4203269576 +12 19 17.748115212   20.52 19.73     ~ 10 0
18 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
19 NGVS J123048.19+123510.7 GlC 12 30 48.1979329680 +12 35 10.877368560           ~ 20 0
20 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
21 Hanes IV-90 GlC 12 30 51.0582771216 +12 26 11.893220844   20.56 19.46     ~ 15 0
22 2MASS J12315289+1215589 G 12 31 52.8990925992 +12 15 59.041171656           ~ 52 0
23 NGVS J123204.35+122030.3 GlC 12 32 04.3487360568 +12 20 30.283469484           ~ 18 0
24 Z 71-3 LSB 12 42 40.7618878056 +13 16 00.701185800   15.5       ~ 41 0
25 NGC 4639 Sy1 12 42 52.3785000336 +13 15 26.706153600   13.62 12.72     ~ 642 0
26 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
27 NAME Shapley Supercluster SCG 13 06.0 -33 04           ~ 677 0
28 NAME Leo Ring HI ~ ~           ~ 62 0

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