2015ApJ...801...12H

Query : 2015ApJ...801...12H

2015ApJ...801...12H - Astrophys. J., 801, 12 (2015/March-1)

CLASH: extreme emission-line galaxies and their implication on selection of high-redshift galaxies.

HUANG X., ZHENG W., WANG J., FORD H., LEMZE D., MOUSTAKAS J., SHU X., VAN DER WEL A., ZITRIN A., FRYE B.L., POSTMAN M., BARTELMANN M., BENITEZ N., BRADLEY L., BROADHURST T., COE D., DONAHUE M., INFANTE L., KELSON D., KOEKEMOER A., LAHAV O., MEDEZINSKI E., MOUSTAKAS L., ROSATI P., SEITZ S. and UMETSU K.

Abstract (from CDS):

We utilize the Cluster Lensing And Supernova survey with Hubble observations of 25 clusters to search for extreme emission-line galaxies (EELGs). The selections are carried out in two central bands: F105W (Y105) and F125W (J125), as the flux of the central bands could be enhanced by the presence of [O III] λλ4959, 5007 at redshifts of ∼0.93-1.14 and 1.57-1.79, respectively. The multiband observations help to constrain the equivalent widths (EWs) of emission lines. Thanks to cluster lensing, we are able to identify 52 candidates down to an intrinsic limiting magnitude of 28.5 and to a rest-frame [O III] λλ4959, 5007 EW of ≃ 3700 Å. Our samples include a number of EELGs at lower luminosities that are missed in other surveys, and the extremely high EW can only be found in such faint galaxies. These EELGs can mimic a dropout feature similar to that of high-redshift galaxies and contaminate the color-color selection of high-redshift galaxies when the signal-to-noise ratio is limited or the band coverage is incomplete.

Abstract Copyright: ∼

Journal keyword(s): galaxies: formation - galaxies: high-redshift - galaxies: photometry

Nomenclature: Table 1: [HZW2015] JNN (Nos 1-40), Table 2: [HZW2015] YNN (Nos 1-12).

Simbad objects: 79

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Number of rows : 79
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 [HZW2015] J2 EmG 01 31 49.27 -13 36 00.4         27.92 ~ 1 0
2 ACO 209 ClG 01 31 52.9 -13 36 53           ~ 295 0
3 [HZW2015] J4 EmG 01 31 55.84 -13 36 16.2         25.91 ~ 1 0
4 [HZW2015] J3 EmG 01 31 56.95 -13 36 15.0         26.38 ~ 1 0
5 [HZW2015] Y3 EmG 02 48 00.42 -03 32 29.1         25.08 ~ 1 0
6 [HZW2015] Y1 EmG 02 48 00.92 -03 32 04.5         26.46 ~ 1 0
7 [HZW2015] J6 EmG 02 48 01.60 -03 32 41.2         26.25 ~ 1 0
8 [HZW2015] J7 EmG 02 48 01.81 -03 32 43.0         27.10 ~ 1 0
9 [HZW2015] Y2 EmG 02 48 02.46 -03 32 16.3         25.68 ~ 1 0
10 ACO 383 ClG 02 48 03.3915 -03 31 45.228           ~ 359 0
11 [HZW2015] J5 EmG 02 48 03.40 -03 32 25.3         26.80 ~ 1 0
12 [HZW2015] Y6 EmG 03 29 38.54 -02 12 04.4         26.62 ~ 1 0
13 ClG J0329-0212 ClG 03 29 41.6 -02 11 47           ~ 142 0
14 [HZW2015] J12 EmG 03 29 42.50 -02 12 32.7         26.39 ~ 1 0
15 [HZW2015] J11 EmG 03 29 44.79 -02 12 06.7         26.28 ~ 1 0
16 [HZW2015] Y5 EmG 03 29 45.93 -02 12 01.4         27.10 ~ 1 0
17 NAME Hubble Ultra Deep Field reg 03 32 39.0 -27 47 29           ~ 1670 0
18 [MDB2013] UDF12-3954-6284 G 03 32 39.54 -27 46 28.5           ~ 24 0
19 MCS J0416.1-2403 ClG 04 16 08.380 -24 04 20.80           ~ 337 0
20 CLASHVLT J041610.70-240441.8 EmG 04 16 10.70 -24 04 41.8   25.1091 24.9277   24.6833 ~ 5 0
21 [HZW2015] J14 EmG 04 16 10.81 -24 04 55.9   27.0498 26.7927   26.7556 ~ 3 0
22 [HZW2015] J15 EmG 04 29 34.35 -02 52 59.2         24.52 ~ 1 0
23 ClG J0429-0253 ClG 04 29 36.0 -02 53 09           ~ 123 0
24 [HZW2015] J16 EmG 06 47 35.49 +70 14 40.0         26.75 ~ 1 0
25 ClG J0647+7015 ClG 06 47 50.0 +70 14 55           ~ 153 0
26 [HZW2015] J17 EmG 07 17 26.90 +37 44 53.2         26.41 ~ 1 0
27 ClG J0717+3745 ClG 07 17 36.50 +37 45 23.0           ~ 463 0
28 B3 0714+378 Rad 07 17 36.6 +37 45 01           ~ 170 2
29 [HZW2015] Y7 EmG 07 17 38.38 +37 45 37.0         26.10 ~ 1 0
30 ClG J0744+3927 ClG 07 44 52.5 +39 27 30           ~ 181 0
31 [HZW2015] J18 EmG 07 44 53.27 +39 26 28.4         27.13 ~ 1 0
32 ACO 611 ClG 08 00 58.7 +36 02 49           ~ 258 0
33 [HZW2015] J21 EmG 11 15 48.54 +01 30 03.7         25.38 ~ 1 0
34 MCS J1115.8+0129 ClG 11 15 52.1 +01 29 53           ~ 131 0
35 [HZW2015] Y8 EmG 11 15 53.27 +01 30 36.0         27.89 ~ 1 0
36 [HZW2015] J20 EmG 11 15 53.80 +01 30 26.0         26.56 ~ 1 0
37 [HZW2015] J19 EmG 11 15 54.43 +01 30 44.7         27.48 ~ 1 0
38 [GKS2016] 111 LeG 11 49 35.33 +22 24 22.3         25.59 ~ 8 0
39 MCS J1149.5+2223 ClG 11 49 35.8 +22 23 55           ~ 460 0
40 ACO 1423 ClG 11 57 17.3206 +33 36 39.364           ~ 168 0
41 [HZW2015] J1 EmG 11 57 19.89 +33 36 15.3         25.88 ~ 1 0
42 MCS J1206.2-0847 ClG 12 06 12.2 -08 48 02           ~ 246 0
43 [HZW2015] J23 EmG 12 06 12.53 -08 47 15.5         26.62 ~ 1 0
44 [HZW2015] J24 EmG 12 06 16.09 -08 48 36.8         26.47 ~ 1 0
45 [HZW2015] J8 EmG 12 27 00.98 +33 32 43.1         27.24 ~ 1 0
46 [HZW2015] J10 EmG 12 27 01.01 +33 32 03.3         26.68 ~ 1 0
47 [HZW2015] Y4 EmG 12 27 01.59 +33 32 49.7         26.55 ~ 1 0
48 [HZW2015] J9 EmG 12 27 02.23 +33 32 08.6         27.98 ~ 1 0
49 [HZW2015] J25 EmG 13 10 58.10 -03 09 49.4         25.55 ~ 1 0
50 ClG J1311-0311 ClG 13 11 01.7 -03 10 38           ~ 109 0
51 [HZW2015] J27 EmG 13 11 05.10 -03 09 45.8         26.02 ~ 1 0
52 [HZW2015] J26 EmG 13 11 05.88 -03 09 53.0         27.19 ~ 1 0
53 [HZW2015] Y12 EmG 13 47 30.13 -11 44 35.9         26.69 ~ 2 0
54 ClG J1347-1145 ClG 13 47 30.5 -11 45 07           ~ 548 0
55 [HZW2015] J38 EmG 13 47 37.149 -11 45 02.17         23.73 ~ 2 0
56 ClG J1423+2404 ClG 14 23 47.7 +24 04 40           ~ 209 0
57 [HZW2015] J28 EmG 14 23 49.68 +24 05 33.6         26.52 ~ 2 0
58 LEDA 1900245 Bla 15 32 53.780 +30 20 59.41   19.1   15.7 17.819 ~ 146 0
59 [HZW2015] J39 EmG 15 32 54.42 +30 19 53.5         26.79 ~ 1 0
60 [HZW2015] J29 EmG 17 20 14.16 +35 37 40.7         27.08 ~ 1 0
61 ClG J1720+3536 ClG 17 20 16.8 +35 36 27           ~ 141 1
62 [HZW2015] J30 EmG 17 20 17.41 +35 37 12.7         27.35 ~ 1 0
63 [HZW2015] Y9 EmG 17 20 20.36 +35 36 25.1         28.24 ~ 1 0
64 ACO 2261 ClG 17 22 26.9 +32 07 58           ~ 342 0
65 [HZW2015] J31 EmG 19 31 44.91 -26 34 48.0         27.30 ~ 1 0
66 ClG J1931-2635 ClG 19 31 49.6 -26 34 33           ~ 161 0
67 [HZW2015] Y11 EmG 21 29 21.36 -07 41 28.0         23.67 ~ 1 0
68 [HZW2015] Y10 EmG 21 29 25.59 -07 41 01.2         26.85 ~ 1 0
69 ClG J2129-0741 ClG 21 29 26.0 -07 41 28           ~ 172 0
70 [HZW2015] J32 EmG 21 29 26.49 -07 40 26.0         25.98 ~ 1 0
71 [HZW2015] J33 EmG 21 29 27.59 -07 42 02.8         27.10 ~ 1 0
72 [HZW2015] J34 EmG 21 29 29.48 -07 42 07.6         26.74 ~ 1 0
73 ClG J2129+0005 ClG 21 29 40.5 +00 05 47           ~ 271 0
74 [HZW2015] J36 EmG 21 40 11.88 -23 40 31.1         25.81 ~ 1 0
75 ClG 2137-2353 ClG 21 40 12.8 -23 39 27     18.5     ~ 378 0
76 [HZW2015] J37 EmG 21 40 14.76 -23 40 31.4         25.64 ~ 1 0
77 [HZW2015] J35 EmG 21 40 15.75 -23 38 34.8         25.73 ~ 1 0
78 [HZW2015] J40 EmG 22 48 41.30 -44 30 58.0         25.80 ~ 1 0
79 ACO S 1063 ClG 22 48 45.4 -44 31 42           ~ 320 0

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