2002ApJ...571..136I


Query : 2002ApJ...571..136I

2002ApJ...571..136I - Astrophys. J., 571, 136-171 (2002/May-3)

The DEEP Groth Strip survey. X. Number density and luminosity function of field E/S0 galaxies at z < 1.

IM M., SIMARD L., FABER S.M., KOO D.C., GEBHARDT K., WILLMER C.N.A., PHILLIPS A., ILLINGWORTH G., VOGT N.P. and SARAJEDINI V.L.

Abstract (from CDS):

We present the luminosity function and color-redshift relation of a magnitude-limited sample of 145 mostly red field E/S0 galaxies at z≲1 from the DEEP Groth Strip Survey (GSS). Using nearby galaxy images as a training set, we develop a quantitative method to classify E/S0 galaxies based on smoothness, symmetry, and bulge-to-total light ratio. Using this method, we identify 145 E/S0's at 16.5<I<22 within the GSS, for which 44 spectroscopic redshifts (zspec) are available. Most of the galaxies with spectroscopic redshifts (86%) form a ``red envelope'' in the redshift-color diagram, consistent with predictions of spectral synthesis models in which the dominant stellar population is formed at redshifts z≳1.5. We use the tight correlation between V-I and zspec for this red subset to estimate redshifts of the remaining E/S0's to an accuracy of ∼10%, with the exception of a small number (16%) of blue interlopers at low redshift that are quantitatively classified as E/S0's but are not contained within the red envelope. Constructing a luminosity function of the full sample of 145 E/S0's, we find that there is about 1.1-1.9 mag brightening in rest-frame B-band luminosity back to z≃0.8 from z=0, consistent with other studies. Together with the red colors, this brightening is consistent with models in which the bulk of stars in red field E/S0's formed before zfor≳1.5 and have been evolving rather quiescently, with few large starbursts since then. Evolution in the number density of field E/S0 galaxies is more difficult to measure, and uncertainties in the raw counts and their ratio to local samples might amount to as much as a factor of 2. Within that uncertainty, the number density of red E/S0's to z≃0.8 seems relatively static, being comparable to or perhaps moderately less than that of local E/S0's, depending on the assumed cosmology. A doubling of E/S0 number density since z=1 can be ruled out with high confidence (97%) if Ωm=1. Taken together, our results are consistent with the hypothesis that the majority of luminous field E/S0's were already in place by z∼1, that the bulk of their stars were already fairly old, and that their number density has not changed by large amounts since then.

Abstract Copyright:

Journal keyword(s): Cosmology: Observations - Galaxies: Evolution - Galaxies: Luminosity Function, Mass Function

VizieR on-line data: <Available at CDS (J/ApJ/571/136): table2.dat>

Nomenclature: Table 2: [ISF2002] NNN-NNNN N=145.

Simbad objects: 158

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Number of rows : 158
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NGC 2768 SyG 09 11 37.504 +60 02 13.95 11.30 10.84 9.87     ~ 473 2
2 NGC 3166 GiP 10 13 45.674 +03 25 28.81   11.2       ~ 219 0
3 NGC 3377 GiP 10 47 42.400 +13 59 08.30 11.55 11.24 10.38     ~ 736 1
4 M 105 LIN 10 47 49.600 +12 34 53.87   10.56 9.76 9.12 8.18 ~ 1400 0
5 NGC 4125 GiP 12 08 06.017 +65 10 26.88 11.14 10.65 9.72     ~ 402 2
6 NGC 4340 GiP 12 23 35.2775321007 +16 43 20.446578725   12.4       ~ 262 0
7 NGC 4429 GiG 12 27 26.5039638243 +11 06 27.581567094   11.4       ~ 289 0
8 NGC 4442 GiG 12 28 03.893 +09 48 13.03   11.2       ~ 266 0
9 NGC 4477 Sy2 12 30 02.172 +13 38 11.19 11.98 11.38 10.42     ~ 372 2
10 M 87 BiC 12 30 49.42338230 +12 23 28.0438581 10.16 9.59 8.63   7.49 ~ 6475 3
11 NGC 4564 GiG 12 36 26.994 +11 26 21.55 12.51 12.05 11.12     ~ 570 1
12 [ISF2002] 312-6405 G 14 15 01.00919 +52 00 17.9716   25.0 22.13 21.98 20.670 ~ 4 0
13 DEEP-GSS 313-3515 G 14 15 07.480 +52 01 01.58     23.31     ~ 2 0
14 DEEP-GSS 302-3631 G 14 15 09.678 +52 01 59.46     21.79     ~ 3 0
15 DEEP-GSS 314-2845 G 14 15 10.462 +51 59 54.37     22.93     ~ 2 0
16 EGSIRAC J141511.73+520045.8 AGN 14 15 11.79 +52 00 45.8   23.98 21.66 21.374 20.574 ~ 7 0
17 DEEP-GSS 292-7235 G 14 15 12.28 +52 03 05.5   24.5 22.72 22.58 21.70 ~ 3 0
18 EGSIRAC J141515.60+520354.2 Sy2 14 15 15.60957 +52 03 54.3080   24.16 22.69 21.554 20.654 ~ 10 0
19 EGSIRAC J141520.06+520420.4 G 14 15 20.06975 +52 04 20.3778   23.60 23.45 22.12 21.22 ~ 6 0
20 EGSIRAC J141520.57+520236.5 G 14 15 20.57819 +52 02 36.5665   23.04 20.74 20.506 19.791 ~ 5 0
21 DEEP-GSS 294-2078 G 14 15 23.216 +52 01 41.56     23.39     ~ 5 0
22 [ISF2002] 294-4544 G 14 15 25.19278 +52 02 18.9280   24.31 23.27 22.86 21.74 ~ 5 0
23 DEEP-GSS 272-5241 G 14 15 26.966 +52 05 36.61     22.59     ~ 2 0
24 EGSIRAC J141528.76+520610.7 AGN 14 15 28.84 +52 06 10.5   23.51 21.41 21.168 20.405 ~ 5 0
25 DEEP-GSS 272-2255 G 14 15 29.784 +52 05 56.89     22.70     ~ 2 0
26 DEEP-GSS 283-3250 G 14 15 30.491 +52 04 37.80     21.52     ~ 3 0
27 EGSIRAC J141531.14+520318.8 G 14 15 31.14 +52 03 18.8   22.98 20.87 20.616 20.017 ~ 7 0
28 EGSIRAC J141531.17+520428.2 G 14 15 31.17484 +52 04 28.2526   24.12 21.88 21.490 20.482 ~ 7 0
29 DEEP-GSS 262-7430 G 14 15 31.190 +52 06 32.89     22.77     ~ 4 0
30 DEEP-GSS 284-5154 G 14 15 32.49 +52 03 21.0   21.740 20.07 19.808 19.297 ~ 4 0
31 DEEP-GSS 273-5617 G 14 15 32.820 +52 06 03.85     22.05     ~ 3 0
32 DEEP-GSS 284-6253 G 14 15 33.63 +52 03 24.9   22.66 20.86 20.730 20.236 ~ 5 0
33 DEEP-GSS 274-837 G 14 15 33.890 +52 04 39.18     23.72     ~ 4 0
34 [LNG2009] egs-0113 AGN 14 15 35.160 +52 03 05.82   21.607 20.07 19.829 19.336 ~ 7 0
35 [ISF2002] 262-2560 G 14 15 35.70117 +52 07 12.8789   23.88 22.79 22.44 21.59 ~ 4 0
36 DEEP-GSS 274-4341 G 14 15 37.715 +52 04 42.38     21.73     ~ 2 0
37 EGSIRAC J141538.03+520407.8 G 14 15 38.02853 +52 04 07.9125   22.143 20.62 20.362 19.865 ~ 7 0
38 DEEP-GSS 274-5142 G 14 15 38.523 +52 04 43.43     23.39     ~ 3 0
39 EGSIRAC J141538.96+520506.2 G 14 15 38.95281 +52 05 06.2230   24.8 21.66 21.670 20.256 ~ 7 0
40 DEEP-GSS 263-6417 G 14 15 38.957 +52 07 23.22     23.02     ~ 2 0
41 DEEP-GSS 273-2671 G 14 15 39.174 +52 05 46.70     22.77     ~ 2 0
42 DEEP-GSS 264-931 G 14 15 40.166 +52 05 56.92     23.69     ~ 2 0
43 DEEP-GSS 263-6340 G 14 15 41.45 +52 07 26.7   23.04 22.55 22.35 21.76 ~ 3 0
44 DEEP-GSS 263-6262 G 14 15 43.757 +52 07 31.60     23.19     ~ 2 0
45 DEEP-GSS 242-5538 G 14 15 45.907 +52 09 03.03     23.02     ~ 2 0
46 DEEP-GSS 264-6053 G 14 15 46.094 +52 05 46.18     22.41     ~ 2 0
47 DEEP-GSS 253-2334 G 14 15 48.193 +52 07 56.14     22.91     ~ 2 0
48 [ISF2002] 254-1671 G 14 15 48.35318 +52 06 27.6304   24.9 23.70 23.38 22.17 ~ 5 0
49 [ISF2002] 253-4345 G 14 15 48.86118 +52 08 17.3528   24.33 21.90 21.580 20.610 ~ 5 0
50 DEEP-GSS 253-4452 G 14 15 49.594 +52 08 20.34     23.15     ~ 2 0
51 EGSIRAC J141550.22+520746.8 AGN 14 15 50.29 +52 07 46.7   23.42 21.67 21.230 20.529 ~ 5 0
52 [ISF2002] 232-4429 G 14 15 53.68855 +52 10 06.9103   23.38 22.48 22.60 22.23 ~ 4 0
53 [ISF2002] 244-4850 G 14 15 57.71255 +52 08 05.8125   23.20 21.13 20.881 20.311 ~ 4 0
54 DEEP-GSS 233-6431 G 14 15 59.715 +52 10 55.42     23.24     ~ 3 0
55 DEEP-GSS 234-4218 G 14 16 02.677 +52 09 45.80     22.51     ~ 2 0
56 DEEP2-GRS 11025812 G 14 16 03.93650 +52 10 54.2265   23.82 22.65 22.32 21.69 ~ 8 0
57 EGSIRAC J141606.08+521233.5 G 14 16 06.08378 +52 12 33.5733   22.47 20.59 20.264 19.686 ~ 6 0
58 [BPG2011] irac190480 AGN 14 16 09.40289 +52 11 02.0160   24.7 22.17 22.003 20.953 ~ 8 0
59 EGSIRAC J141610.25+521236.9 G 14 16 10.25867 +52 12 36.9253     23.21 22.27   ~ 7 0
60 [ISF2002] 224-3977 G 14 16 10.33931 +52 09 58.1867   23.31 22.05 21.719 20.486 ~ 5 0
61 EGSIRAC J141610.42+521012.4 G 14 16 10.42 +52 10 12.5   23.25 20.96 20.636 19.970 ~ 6 0
62 [ISF2002] 223-7276 G 14 16 10.90412 +52 12 23.6180   24.31 21.69 21.935 21.150 ~ 5 0
63 EGSIRAC J141611.86+521312.2 G 14 16 11.86647 +52 13 12.1095   21.318 20.46 20.387 20.016 ~ 6 0
64 DEEP-GSS 214-2761 G 14 16 15.07 +52 11 21.4     21.37     ~ 4 0
65 DEEP-GSS 213-7564 G 14 16 15.904 +52 13 34.23     22.57     ~ 2 0
66 DEEP-GSS 213-2362 G 14 16 16.962 +52 12 43.29     22.67     ~ 2 0
67 DEEP-GSS 203-7714 G 14 16 17.045 +52 14 34.27     23.13     ~ 2 0
68 [ISF2002] 213-1764 G 14 16 17.37538 +52 12 38.1877   25.9 23.18 22.77 21.555 ~ 5 0
69 DEEP-GSS 203-3311 G 14 16 17.829 +52 13 51.78     23.70     ~ 3 0
70 DEEP-GSS 203-5720 G 14 16 18.183 +52 14 16.74     22.36     ~ 2 0
71 DEEP-GSS 192-5343 G 14 16 18.260 +52 15 00.43     21.18     ~ 2 0
72 DEEP-GSS 203-3418 G 14 16 18.52968 +52 13 53.9003   25.4 22.71 22.46 21.384 ~ 6 0
73 DEEP-GSS 203-2622 G 14 16 19.074 +52 13 46.72     22.73     ~ 2 0
74 [BPG2011] irac188164 2 G 14 16 19.17989 +52 13 39.3956   25.0 23.09 22.41 21.51 ~ 7 0
75 DEEP-GSS 203-2022 G 14 16 19.255 +52 13 41.15     23.69     ~ 3 0
76 2MASS J14162038+5213488 AGN 14 16 20.383 +52 13 48.82   21.432 19.15 19.160 18.458 ~ 9 0
77 DEEP-GSS 203-833 G 14 16 20.695 +52 13 32.20     24.20     ~ 2 0
78 EGSIRAC J141620.77+521452.2 G 14 16 20.76745 +52 14 52.2312   24.7 22.25 21.759 20.846 ~ 6 0
79 DEEP-GSS 192-2330 G 14 16 21.770 +52 14 54.62     22.35     ~ 3 0
80 DEEP-GSS 203-5166 G 14 16 23.191 +52 14 20.58     21.71     ~ 2 0
81 DEEP-GSS 193-1616 G 14 16 25.28649 +52 14 46.3703   22.39 20.29 20.279 19.635 ~ 6 0
82 EGSIRAC J141625.65+521558.7 G 14 16 25.66692 +52 15 58.7398     23.63 23.37 22.35 ~ 5 0
83 DEEP-GSS 193-1227 G 14 16 26.467 +52 14 45.93     23.19     ~ 5 0
84 EGSIRAC J141628.45+521723.8 G 14 16 28.45270 +52 17 23.8426   24.9 22.19 21.849 20.806 ~ 6 0
85 DEEP-GSS 172-5049 G 14 16 31.410 +52 17 26.24     22.25     ~ 5 0
86 DEEP-GSS 194-6444 G 14 16 31.570 +52 14 06.78     20.74     ~ 3 0
87 DEEP-GSS 183-2653 G 14 16 35.370 +52 16 15.08     21.61     ~ 2 0
88 EGSIRAC J141635.59+521618.8 G 14 16 35.60340 +52 16 18.9566   26.6 23.41 23.15 21.93 ~ 5 0
89 EGSIRAC J141637.07+521727.2 G 14 16 37.06992 +52 17 27.3259   25.4 23.33 22.85 21.49 ~ 4 0
90 EGSIRAC J141637.21+521610.3 G 14 16 37.20763 +52 16 10.2856   24.8 22.43 21.92 20.754 ~ 5 0
91 DEEP-GSS 183-4478 G 14 16 37.572 +52 16 37.99     23.03     ~ 2 0
92 EGSIRAC J141637.51+521835.2 AGN 14 16 37.60 +52 18 35.6   23.80 21.61 21.290 20.559 ~ 6 0
93 DEEP-GSS 173-4131 G 14 16 39.184 +52 17 33.90     22.35     ~ 2 0
94 DEEP-GSS 174-2027 G 14 16 39.414 +52 16 32.61     20.49     ~ 2 0
95 EGSIRAC J141640.01+521735.0 AGN 14 16 40.02 +52 17 35.1   22.88 20.13 20.063 19.233 ~ 8 0
96 DEEP-GSS 173-6766 G 14 16 42.215 +52 18 06.13     21.88     ~ 2 0
97 DEEP-GSS 163-5528 G 14 16 44.957 +52 18 56.94     23.99     ~ 3 0
98 DEEP-GSS 174-7829 G 14 16 45.633 +52 16 43.76     23.91     ~ 2 0
99 EGSIRAC J141646.07+521653.5 G 14 16 46.07658 +52 16 53.5765   22.56 21.52 21.531 21.189 ~ 5 0
100 DEEP-GSS 142-7871 G 14 16 47.40 +52 21 10.7     18.53     ~ 4 0
101 DEEP-GSS 142-7764 G 14 16 47.577 +52 21 04.72     23.01     ~ 2 0
102 EGSIRAC J141648.05+522118.3 G 14 16 48.06170 +52 21 18.4708   22.373 21.42 21.480 21.161 ~ 5 0
103 2MASS J14164888+5217380 AGN 14 16 48.888 +52 17 38.01   21.440 19.12 19.143 18.510 ~ 4 0
104 DEEP-GSS 164-4063 G 14 16 48.891 +52 17 12.05     23.84     ~ 2 0
105 DEEP-GSS 153-711 G 14 16 50.882 +52 19 16.63     22.48     ~ 2 0
106 EGSIRAC J141652.79+521727.5 G 14 16 52.79 +52 17 27.5   22.40 20.03 19.943 19.280 ~ 6 0
107 EGSIRAC J141653.14+522040.7 AGN 14 16 53.17 +52 20 40.8   23.87 21.54 21.304 20.519 ~ 6 0
108 DEEP2-GRS 11045088 AGN 14 16 53.20244 +52 21 03.8087   23.53 22.422 22.75 21.83 ~ 13 0
109 EGSIRAC J141656.81+521946.2 G 14 16 56.79810 +52 19 46.3942   26.5 23.81 23.46 22.23 ~ 4 0
110 DEEP-GSS 154-6532 G 14 16 57.309 +52 18 57.62     23.63     ~ 2 0
111 DEEP-GSS 143-7957 G 14 17 00.393 +52 21 45.84     21.62     ~ 2 0
112 DEEP-GSS 132-2723 G 14 17 00.397 +52 21 45.94     21.91     ~ 2 0
113 EGSIRAC J141700.85+521940.3 G 14 17 00.83951 +52 19 40.3788   24.37 22.33 21.956 21.270 ~ 5 0
114 DEEP-GSS 122-7569 G 14 17 00.869 +52 23 29.44     22.94     ~ 2 0
115 EGSIRAC J141703.10+522058.0 G 14 17 03.10829 +52 20 58.2097   25.7 23.32 23.05 21.66 ~ 8 0
116 [LNG2009] egs-0337 AGN 14 17 04.255 +52 21 39.86   25.972 24.104 22.59 21.418 ~ 12 0
117 DEEP-GSS 134-1633 G 14 17 05.087 +52 21 06.19     22.06     ~ 2 0
118 EGSIRAC J141705.65+522233.8 G 14 17 05.65364 +52 22 33.6841   25.5 22.93 22.56 21.170 ~ 4 0
119 DEEP-GSS 112-7644 G 14 17 07.739 +52 24 15.35     23.27     ~ 2 0
120 DEEP-GSS 133-4463 G 14 17 08.407 +52 22 22.84     22.26     ~ 3 0
121 EGSIRAC J141708.58+522042.3 G 14 17 08.58527 +52 20 42.4296   24.7 23.66 23.47 22.34 ~ 6 0
122 [TCB2007] 12004496 AGN 14 17 15.29 +52 25 33.0   23.34 20.72 20.593 19.729 ~ 8 0
123 EGSIRAC J141716.12+522603.3 G 14 17 16.12958 +52 26 03.2819   24.30 22.39 22.10 21.00 ~ 6 0
124 DEEP-GSS 102-5558 G 14 17 16.190 +52 25 43.80     22.88     ~ 2 0
125 EGSIRAC J141716.20+522421.4 G 14 17 16.20318 +52 24 21.4903   24.28 22.47 22.23 20.96 ~ 9 0
126 EGSIRAC J141716.32+522544.5 G 14 17 16.40426 +52 25 44.6203   23.85 21.69 21.31 20.143 ~ 5 0
127 DEEP-GSS 102-5148 G 14 17 16.83 +52 25 35.4   24.04 22.36 21.90 21.18 ~ 4 0
128 EGSIRAC J141718.37+522539.3 G 14 17 18.37967 +52 25 39.3247   24.9 22.78 22.40 21.57 ~ 7 0
129 DEEP-GSS 113-3136 G 14 17 18.863 +52 24 25.05     24.06     ~ 2 0
130 EGSIRAC J141719.09+522254.9 G 14 17 19.09730 +52 22 55.0380   26.1 23.57 23.21 21.82 ~ 7 0
131 DEEP-GSS 102-2157 G 14 17 19.812 +52 25 50.49     22.72     ~ 2 0
132 DEEP-GSS 114-3760 G 14 17 21.011 +52 23 04.01     22.50     ~ 2 0
133 EGSIRAC J141722.84+522611.3 G 14 17 22.84080 +52 26 11.2528   26.4 22.83 22.80 21.27 ~ 8 0
134 DEEP-GSS 092-4957 G 14 17 23.349 +52 26 54.08     21.34     ~ 3 0
135 DEEP-GSS 103-1115 AGN 14 17 23.68 +52 25 11.7     21.35   20.41 ~ 5 0
136 DEEP-GSS 092-2023 G 14 17 27.256 +52 26 27.51     23.82     ~ 5 0
137 [ISF2002] 103-6061 G 14 17 27.39259 +52 26 09.2790   23.27 22.35 22.21 21.83 ~ 10 0
138 EGSIRAC J141727.55+522645.7 EmG 14 17 27.58397 +52 26 45.4063   23.30 22.70 22.74 21.92 ~ 19 0
139 [TCB2007] 12004113 G 14 17 28.264 +52 25 57.20     23.14     ~ 6 0
140 EGSIRAC J141728.76+522738.2 G 14 17 28.76373 +52 27 38.1707   24.05 22.04 21.61 20.921 ~ 13 0
141 EGSIRAC J141732.86+522521.9 G 14 17 32.86860 +52 25 22.2553   24.9 22.83 21.88 20.433 ~ 8 0
142 DEEP-GSS 094-2762 G 14 17 32.970 +52 25 19.89     23.19     ~ 4 0
143 EGSIRAC J141735.72+522646.0 G 14 17 35.72443 +52 26 46.0560   24.04 21.53 21.38 19.971 ~ 60 1
144 [MMN2007] A1 gLS 14 17 35.9 +52 26 46     21.53   19.69 ~ 79 0
145 DEEP-GSS 094-6234 G 14 17 36.041 +52 25 54.72     23.76     ~ 4 0
146 [TCB2007] 12004040 G 14 17 38.534 +52 27 05.64     23.75     ~ 5 0
147 DEEP-GSS 083-6766 G 14 17 40.909 +52 28 35.90     22.34     ~ 4 0
148 [TCB2007] 12008117 G 14 17 40.934 +52 30 21.05     24.29     ~ 7 0
149 [TCB2007] 12007959 G 14 17 42.08738 +52 28 08.3164   26.2 24.30 23.74 22.51 ~ 6 0
150 [HI2001] GSS052-6543 G 14 17 48.208 +52 31 17.67     22.26     ~ 13 0
151 [LNG2009] egs-0432 AGN 14 17 49.21722 +52 28 03.3215   26.6 23.40 23.08 21.66 ~ 23 0
152 [TCB2007] 12007933 G 14 17 52.026 +52 29 29.33     23.09     ~ 19 0
153 DEEP-GSS 052-1555 G 14 17 53.238 +52 31 39.80     23.16     ~ 2 0
154 CFRS 14.0746 G 14 17 55.626 +52 31 52.39     20.97     ~ 13 0
155 [TCB2007] 12012224 G 14 17 57.309 +52 32 07.09     21.64     ~ 4 0
156 DEEP-GSS 054-2510 G 14 17 57.865 +52 30 49.79     17.53     ~ 7 0
157 XDEEP2 egs8-0095 AGN 14 17 58.948 +52 31 39.12   24.151 23.625 22.72 21.851 ~ 18 0
158 NGC 5813 LIN 15 01 11.265 +01 42 07.09 12.00 11.45 10.46 10.06   ~ 594 1

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2021.09.23-04:31:46

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