2013A&A...556A.112N


C.D.S. - SIMBAD4 rel 1.7 - 2019.11.21CET23:45:47

2013A&A...556A.112N - Astronomy and Astrophysics, volume 556A, 112-112 (2013/8-1)

Star-forming fractions and galaxy evolution with redshift in rich x-ray-selected galaxy clusters.

NANTAIS J.B., RETTURA A., LIDMAN C., DEMARCO R., GOBAT R., ROSATI P. and JEE M.J.

Abstract (from CDS):

We have compared stacked spectra of galaxies, grouped by environment and stellar mass, among 58 members of the redshift z=1.24 galaxy cluster RDCS J1252.9-2927 (J1252.9) and 134 galaxies in the z=0.84 cluster RX J0152.7-1357 (J0152.7). These two clusters are excellent laboratories to study how galaxies evolve from star-forming to passive at z∼1. We measured spectral indices and star-forming fractions for our density- and mass-based stacked spectra. The star-forming fraction among low-mass galaxies (<7x1010M) is higher in J1252.9 than in J0152.7, at about 4σ significance. Thus star formation is being quenched between z=1.24 and z=0.84 for a substantial fraction of low-mass galaxies. Star-forming fractions were also found to be higher in J1252.9 in all environments, including the core. Passive galaxies in J1252.9 have systematically lower Dn4000 values than in J0152.7 in all density and mass groups, consistent with passive evolution at modestly super-solar metallicities.

Abstract Copyright:

Journal keyword(s): galaxies: clusters: individual: RX J0152.7-1357 - galaxies: clusters: individual: RDCS J1252.9-2927 - galaxies: evolution - galaxies: clusters: general

Nomenclature: Table 1: [NRL2013] NNNNN N=56 (Nos 423 to 40950), [NRL2013] XRayS86 N=1.

Simbad objects: 61

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Number of rows : 61

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 ClG J0152-1358 ClG 01 52 41.3 -13 58 13           ~ 238 3
2 [NRL2013] 423 G 12 52 41.507 -29 28 36.34           ~ 1 0
3 [NRL2013] 40950 G 12 52 41.810 -29 26 45.50   24.93 24.70 24.38 23.87 ~ 3 0
4 [NRL2013] 1517 G 12 52 45.004 -29 29 41.61           ~ 1 0
5 [NRL2013] 1677 G 12 52 45.411 -29 28 18.98           ~ 1 0
6 [NRL2013] 1720 G 12 52 45.522 -29 27 24.75           ~ 1 0
7 [NRL2013] 2238 G 12 52 46.980 -29 27 07.70   25.87 25.54 24.47 23.45 ~ 3 0
8 [NRL2013] 2358 G 12 52 47.386 -29 24 20.03           ~ 1 0
9 [NRL2013] 2758 G 12 52 48.608 -29 24 36.35           ~ 1 0
10 [DRL2007] 7001 G 12 52 48.610 -29 30 33.50           ~ 2 0
11 [NRL2013] 2759 G 12 52 48.640 -29 26 59.70   24.28 24.11 23.97 23.46 ~ 3 0
12 [NRL2013] 2779 G 12 52 48.680 -29 24 59.30           ~ 3 0
13 [NRL2013] 2797 G 12 52 48.740 -29 27 45.30   26.58 26.06 24.74 23.77 ~ 5 0
14 [NRL2013] 3114 G 12 52 49.650 -29 28 03.70   27.74 26.53 24.85 23.73 ~ 5 0
15 [DRL2007] 174 G 12 52 49.820 -29 27 54.90   25.61 25.34 24.83 23.97 ~ 2 0
16 [DRL2007] 7005 G 12 52 49.930 -29 29 52.30           ~ 2 0
17 [NRL2013] 6115 G 12 52 50.458 -29 28 31.57           ~ 1 0
18 [NRL2013] 6052 G 12 52 50.573 -29 29 07.10           ~ 1 0
19 [NRL2013] 6064 G 12 52 50.660 -29 27 18.10   25.68 25.02 24.24 23.55 ~ 3 0
20 [NRL2013] 5997 G 12 52 50.733 -29 29 23.64           ~ 1 0
21 [DRL2007] 247 G 12 52 51.150 -29 27 31.40   26.01 24.79 23.53 22.41 ~ 5 0
22 [NRL2013] 5397 G 12 52 51.980 -29 27 46.20   27.21 25.97 24.97 23.77 ~ 5 0
23 [NRL2013] 5222 G 12 52 52.310 -29 27 19.10   26.57 25.49 24.28 23.26 ~ 6 0
24 [DRL2007] 310 G 12 52 52.390 -29 27 18.00   26.60 25.52 24.53 23.52 ~ 5 0
25 [NRL2013] 5137 G 12 52 52.626 -29 27 07.43           ~ 1 0
26 [NRL2013] 4553 G 12 52 53.896 -29 27 21.44           ~ 1 0
27 [DRL2007] 338 G 12 52 53.930 -29 27 09.90   27.31 26.13 24.85 23.80 ~ 5 0
28 [NRL2013] 4479 G 12 52 54.020 -29 27 18.50   26.73 25.45 24.00 22.87 ~ 6 0
29 ClG J1252-2927 ClG 12 52 54.4 -29 27 17           ~ 150 0
30 [NRL2013] 4199 G 12 52 54.410 -29 27 17.70   25.70 24.59 23.31 22.25 ~ 6 0
31 [NRL2013] 4325 G 12 52 54.420 -29 27 23.70   27.03 26.01 24.88 23.70 ~ 6 0
32 [DRL2007] 442 G 12 52 54.520 -29 26 39.80   26.89 26.50 25.10 23.91 ~ 4 0
33 [NRL2013] 4159 G 12 52 54.540 -29 27 17.10   25.81 25.01 23.56 22.52 ~ 6 0
34 [NRL2013] 3860 G 12 52 55.220 -29 27 16.70     26.29 24.77 23.55 ~ 6 0
35 [DRL2007] 515 G 12 52 55.440 -29 26 12.20   23.99 23.96 23.72 23.26 ~ 2 0
36 [NRL2013] 4525 G 12 52 55.630 -29 27 09.70   23.49 23.45 23.25 22.82 ~ 4 0
37 [NRL2013] 3424 G 12 52 56.556 -29 25 31.35           ~ 1 0
38 [NRL2013] 6383 G 12 52 57.212 -29 27 28.24           ~ 1 0
39 [NRL2013] 6392 G 12 52 57.270 -29 27 02.30   26.61 25.92 24.87 23.89 ~ 5 0
40 [DRL2007] 248 G 12 52 57.390 -29 27 32.10   25.00 24.79 24.47 23.83 ~ 3 0
41 [DRL2007] 265 G 12 52 57.640 -29 27 29.80   26.67 25.88 24.84 23.73 ~ 3 0
42 [DRL2007] 137 G 12 52 57.650 -29 28 07.50   26.71 26.11 24.69 23.55 ~ 4 0
43 [DRL2007] 432 G 12 52 58.190 -29 26 41.60   27.29 26.60 25.69 24.25 ~ 2 0
44 [NRL2013] 9204 G 12 52 58.358 -29 28 10.34           ~ 1 0
45 [NRL2013] 9197 G 12 52 58.399 -29 24 43.44           ~ 1 0
46 [NRL2013] 9227 G 12 52 58.670 -29 27 10.40   26.87 26.18 24.79 23.63 ~ 5 0
47 [NRL2013] 9067 G 12 52 59.020 -29 29 29.48           ~ 1 0
48 [NRL2013] 8686 G 12 52 59.980 -29 26 27.20   25.09 24.65 23.82 23.02 ~ 3 0
49 [NRL2013] 8709 G 12 53 00.000 -29 26 09.80   27.25 26.12 24.50 23.34 ~ 5 0
50 [NRL2013] 8193 G 12 53 00.230 -29 25 42.70   24.48 24.28 24.01 23.35 ~ 3 0
51 [DRL2007] 3159 G 12 53 00.530 -29 26 51.20   25.27 24.72 24.49 24.20 ~ 2 0
52 [NRL2013] XRayS86 G 12 53 01.197 -29 23 54.00           ~ 1 0
53 [NRL2013] 7581 G 12 53 03.300 -29 25 39.30   24.30 24.21 24.01 23.63 ~ 3 0
54 [NRL2013] 7546 G 12 53 03.500 -29 24 48.60           ~ 3 0
55 [DRL2007] 9000 G 12 53 04.810 -29 26 58.60           ~ 2 0
56 [DRL2007] 726 G 12 53 05.930 -29 26 31.40   24.59 24.53 24.27 23.88 ~ 2 0
57 [NRL2013] 6688 G 12 53 06.087 -29 28 45.42           ~ 1 0
58 [NRL2013] 6673 G 12 53 06.128 -29 25 17.80           ~ 1 0
59 [NRL2013] 6592 G 12 53 06.307 -29 24 17.19           ~ 1 0
60 [DRL2007] 370 G 12 53 06.410 -29 27 02.40     27.41 25.65 24.34 ~ 4 0
61 ClG J2215-1738 ClG 22 15 58.5 -17 38 03           ~ 89 0

    Equat.    Gal    SGal    Ecl

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2019.11.21-23:45:47

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