2018ApJ...853...47R

Query : 2018ApJ...853...47R

2018ApJ...853...47R - Astrophys. J., 853, 47-47 (2018/January-3)

"red" but not "dead": actively star-forming brightest cluster galaxies at low redshifts.

RUNGE J. and YAN H.

Abstract (from CDS):

Brightest cluster galaxies (BCGs) are believed to have assembled most of their stars early in time and therefore should be passively evolving at low redshifts and appear "red-and-dead." However, there have been reports that a minority of low-redshift BCGs still have ongoing star formation rates (SFRs) of a few to even ∼100 M☉ yr–1. Such BCGs are found in "cool-core" ("CC") clusters, and their star formation is thought to be fueled by "cooling flow." To further investigate the implications of low-redshift, star-forming BCGs, we perform a systematic search using the 22 µm data ("W4" band) from the Wide-field Infrared Survey Explorer (WISE) on the GMBCG catalog, which contains 55,424 BCGs at 0.1 z 0.55 identified in the Sloan Digital Sky Survey (SDSS). Our sample consists of 389 BCGs that are bright in W4 ("W4BCGs"), most being brighter than 5 mJy. While some ( 20 % ) might host active galactic nuclei, most W4BCGs should owe their strong mid-IR emissions to dust-enshrouded star formation. Their median total IR luminosity (LIR) is 5×1011 L☉ (SFR ∼50 M☉ yr–1), and 27% of the whole sample has LIR 1012 L☉ (SFR >100 M☉ yr–1). Using 10 W4BCGs that have Chandra X-ray data, we show that 7 of them are possibly in CC clusters. However, in most cases (five out of seven) the mass deposition rate cannot account for the observed SFR. This casts doubt on the idea that cooling flows are the cause of the star formation in non-quiescent BCGs.

Abstract Copyright: © 2018. The American Astronomical Society. All rights reserved.

Journal keyword(s): galaxies: clusters: general - galaxies: evolution - galaxies: evolution

VizieR on-line data: <Available at CDS (J/ApJ/853/47): table5.dat>

Simbad objects: 162

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Number of rows : 162
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 SDSS J000029.09+154253.2 BiC 00 00 29.0894185992 +15 42 53.251637976           ~ 6 0
2 SDSS J000557.54+154155.2 BiC 00 05 57.5394690384 +15 41 55.271441400           ~ 2 0
3 SDSS J004728.06-003618.4 BiC 00 47 28.069 -00 36 18.48           ~ 4 0
4 LEDA 1163107 BLL 01 48 16.2558501312 +00 19 44.951084796   18.42 17.71     ~ 29 1
5 ACT-CL J0150.3-1005 ClG 01 50 21.24 -10 05 29.6           ~ 27 0
6 SDSS J015021.27-100530.5 BiC 01 50 21.2809120128 -10 05 30.291293652           ~ 8 0
7 SDSS J015952.89-081228.8 BiC 01 59 52.898 -08 12 28.81           ~ 2 0
8 SDSS J025921.39+001805.7 BiC 02 59 21.3999585120 +00 18 05.846504724           ~ 5 0
9 [VV2006c] J031547.0-075938 Sy2 03 15 47.018 -07 59 38.22   20.49 19.66     ~ 8 0
10 [VV2006c] J073650.1+391955 Sy2 07 36 50.0883012840 +39 19 55.230051108   20.23 19.52     ~ 9 0
11 2MASS J07412850+4424315 Sy2 07 41 28.4902154904 +44 24 31.616225064           ~ 19 0
12 2MASS J07534541+1238521 Sy1 07 53 45.4204228416 +12 38 52.174140072           ~ 4 0
13 RX J0809.6+3455 BLL 08 09 38.8872832824 +34 55 37.248843504   18.38 17.42 12.6   ~ 112 1
14 2MASX J08100406+4116225 BiC 08 10 04.101 +41 16 22.23           ~ 4 0
15 ZW VII 226 rG 08 20 08.7086496768 +56 43 35.234570028   16.7       ~ 14 0
16 BAX 125.2599+07.8631 ClG 08 21 02.4 +07 51 47           ~ 72 1
17 2MASX J08212119+1607283 BiC 08 21 21.207 +16 07 27.96           ~ 3 0
18 GMBCG 125.63314+05.95189 ClG 08 22 31.950 +05 57 06.80           ~ 1 0
19 4C 06.30 rG 08 22 31.9510001544 +05 57 06.787089972   18.04 17.33     ~ 133 1
20 2MASX J08265879+5312444 BiC 08 26 58.8091245240 +53 12 44.712441900           ~ 9 0
21 FIRST J083404.4+134255 rG 08 34 04.4207210256 +13 42 55.541312028           ~ 8 0
22 ClG J0834+5534 ClG 08 34 54.9 +55 34 21           ~ 26 0
23 4C 55.16 Bla 08 34 54.90398776 +55 34 21.0703409   20.75 19.45 17.180   ~ 297 2
24 LEDA 3732763 BiC 08 40 21.4320634872 +17 14 32.790186996           ~ 6 0
25 2MASX J08421102+5955257 BiC 08 42 11.0023839648 +59 55 25.602334248           ~ 9 0
26 NVSS J084823+434817 rG 08 48 23.8644996096 +43 48 09.599157648           ~ 9 0
27 GMBCG 132.60301+37.78597 ClG 08 50 24.720 +37 47 09.50           ~ 1 0
28 ICRF J085024.7+374709 Sy1 08 50 24.72980261 +37 47 09.4777362   21.08 20.36     ~ 84 2
29 SDSS J085150.52+394938.0 BiC 08 51 50.526 +39 49 38.03           ~ 4 0
30 SDSS J085316.33+412433.2 Sy1 08 53 16.3365684936 +41 24 33.214452048   18.37 17.74     ~ 5 0
31 GMBCG 133.71068+62.31389 ClG 08 54 50.560 +62 18 50.00           ~ 3 0
32 7C 085042.79+623017.00 BLL 08 54 50.57629150 +62 18 50.1927118     19.00 17   ~ 48 1
33 2MASX J09023843+1737515 BLL 09 02 38.4250944360 +17 37 51.573508428           ~ 11 0
34 SDSS J090855.95+310939.2 BiC 09 08 55.954 +31 09 39.21           ~ 4 0
35 LEDA 3528462 Sy2 09 09 48.6094542192 +10 56 34.329301224   17.74 17.16     ~ 12 0
36 SDSS J091454.69+053308.7 BiC 09 14 54.691 +05 33 08.76           ~ 3 0
37 RX J0916.8+5238 BLL 09 16 51.9350409624 +52 38 28.331223072   19.02 18.10 15   ~ 82 1
38 ClG 0917.9+4548 ClG 09 21 08.6 +45 38 37           ~ 8 0
39 3C 219 Sy1 09 21 08.6258123424 +45 38 57.358202856   19.56 18.69     ~ 424 2
40 2MASX J09262173+6227531 BiC 09 26 21.7655670768 +62 27 52.808528232           ~ 7 0
41 2MASX J09433965+0856067 BiC 09 43 39.6447145704 +08 56 07.094954148           ~ 6 0
42 2MASX J09533122+2244439 BiC 09 53 31.2750890400 +22 44 44.458851696           ~ 3 0
43 LEDA 3751184 BiC 10 06 40.159 +21 40 14.60   18.6       ~ 9 0
44 2MASX J10072689+2930197 Sy1 10 07 26.9132373936 +29 30 20.457618192           ~ 7 0
45 SDSSCGB 31502.1 BiC 10 07 52.6190194632 +27 30 11.610864756           ~ 9 0
46 2MASX J10125766+1730170 LIN 10 12 57.6716830872 +17 30 17.416330596           ~ 5 0
47 LEDA 2290823 BiC 10 25 39.0221397408 +47 00 30.590559036           ~ 8 0
48 LEDA 1557585 Sy2 10 34 51.2969840304 +18 21 58.390189956   20.20 19.39     ~ 10 0
49 SDSS J103526.18+040209.1 LIN 10 35 26.1820522128 +04 02 09.042755316           ~ 3 0
50 2MASX J10373417+1401208 Sy2 10 37 34.2216820704 +14 01 20.649002304   19.20 18.57     ~ 15 0
51 2MASX J10404446+3957117 Sy2 10 40 44.4947481456 +39 57 11.198711664   18.76 18.14     ~ 41 1
52 ACO 1068 ClG 10 40 47.1 +39 57 19           ~ 232 0
53 LEDA 2343265 BiC 10 45 59.5092231312 +49 26 54.880827576           ~ 3 0
54 2MASX J10485865+5453223 Sy1 10 48 58.6363332408 +54 53 22.950993552   19.60 18.78     ~ 13 0
55 SDSS J105022.05+174227.8 BiC 10 50 22.0600163448 +17 42 27.773585784           ~ 4 0
56 2MASX J10523856+4910504 BiC 10 52 38.5445568552 +49 10 50.042997948           ~ 6 0
57 2MASS J11142381+1939159 Sy1 11 14 23.8193355864 +19 39 15.915865284           ~ 12 0
58 SDSS J111613.46+570112.3 BiC 11 16 13.4655273504 +57 01 12.426523500           ~ 4 0
59 LEDA 3404855 BiC 11 16 32.5771215864 +55 17 14.695267992           ~ 6 0
60 2dFGRS TGN370Z068 Sy1 11 18 07.4803587144 +00 27 34.967317896   19.68 18.71 16.851   ~ 27 0
61 2MASX J11193404+5335181 Sy1 11 19 34.0052875752 +53 35 18.622016556   16.89 16.27     ~ 26 1
62 SDSSCGB 21070.1 BiC 11 20 28.368 +02 05 39.72           ~ 4 0
63 2MASX J11204925+4745372 LIN 11 20 49.3082491632 +47 45 36.860087700           ~ 6 0
64 2MASX J11220367+1640249 BiC 11 22 03.6770601600 +16 40 25.040531460           ~ 5 0
65 2MASX J11230474+2027548 BiC 11 23 04.7072837592 +20 27 55.684999944           ~ 8 0
66 2MASX J11253992+2125353 BiC 11 25 39.9193717536 +21 25 35.185441980           ~ 5 0
67 2MASX J11273201+2442271 LIN 11 27 31.9608486696 +24 42 26.887935672           ~ 7 0
68 FIRST J112836.0+552854 rG 11 28 35.9648611248 +55 28 54.640304364           ~ 9 0
69 2MASS J11340156+2533547 BiC 11 34 01.5573017472 +25 33 54.708723972           ~ 9 0
70 LEDA 1309954 BiC 11 35 24.9311778696 +06 54 41.365178964           ~ 17 1
71 2MASX J11424320+1019531 BiC 11 42 43.2315760992 +10 19 53.539354452           ~ 7 0
72 2MASX J11454495+0241270 Sy2 11 45 44.9924613384 +02 41 26.928488220   19.45 18.67     ~ 16 0
73 SDSS J114841.85+371127.4 Sy2 11 48 41.8568500440 +37 11 27.367278144           ~ 3 0
74 2MASX J11505136+5537452 BiC 11 50 51.3509226720 +55 37 44.844706668           ~ 6 0
75 SDSS J115425.79+274038.8 BiC 11 54 25.791 +27 40 38.88           ~ 4 0
76 [MPC97] ACO 1413 4 BiC 11 55 15.1128204576 +23 27 54.341764380           ~ 13 0
77 2MASX J11563885+2605340 BiC 11 56 38.8301815272 +26 05 34.384386300   16.5       ~ 11 0
78 SDSS J115711.98+082939.4 BiC 11 57 11.9860390824 +08 29 39.414548148           ~ 4 0
79 SDSS J115907.82+494657.8 BiC 11 59 07.8234391776 +49 46 57.840777768   17.9       ~ 5 0
80 SDSS J120053.95+480007.6 BiC 12 00 53.945 +48 00 07.62           ~ 6 0
81 2MASX J12043514+1105449 BiC 12 04 35.126 +11 05 45.37           ~ 4 0
82 LEDA 1926598 LIN 12 08 24.7503846816 +30 59 12.974045208           ~ 12 0
83 SDSS J121331.08+181518.9 BiC 12 13 31.088 +18 15 18.93           ~ 5 0
84 2MASX J12163577+4516309 Sy2 12 16 35.8351783200 +45 16 30.728883072           ~ 3 0
85 FIRST J121711.2+344954 rG 12 17 11.236 +34 49 52.36           ~ 7 0
86 SDSS J121759.47+180042.6 BiC 12 17 59.4737568552 +18 00 42.575310180           ~ 4 0
87 2MASX J12304409+3633041 BiC 12 30 44.1157028136 +36 33 04.440907584           ~ 8 0
88 LEDA 2208553 BiC 12 32 57.7624376256 +42 54 02.577012984           ~ 9 0
89 2MASX J12361934+2827170 BiC 12 36 19.4082038664 +28 27 16.594388280           ~ 7 0
90 LEDA 2456435 BiC 12 36 45.6450330624 +53 59 01.517858196           ~ 6 0
91 7C 123628.30+521937.00 Sy2 12 38 47.4618701544 +52 03 02.152688940           ~ 12 1
92 2MASX J12411294+1811321 Sy2 12 41 12.946 +18 11 32.19           ~ 5 0
93 FIRST J125408.7-024039 rG 12 54 08.7092689416 -02 40 40.218603060           ~ 6 0
94 SDSS J130152.91+415855.9 BiC 13 01 52.917 +41 58 55.90           ~ 3 0
95 LEDA 2269612 BiC 13 08 41.5425122664 +45 43 54.287746608           ~ 4 0
96 SDSS J130906.52+481828.7 Sy2 13 09 06.5189199072 +48 18 28.838608560   20.73 19.88     ~ 8 0
97 SDSS J130944.77+482211.1 BiC 13 09 44.7501123552 +48 22 11.186704668           ~ 5 0
98 ACO 1689 ClG 13 11 29.5 -01 20 28           ~ 1178 0
99 SDSS J132118.86+361002.0 BiC 13 21 18.864 +36 10 02.07           ~ 2 0
100 SDSS J132846.50+172423.5 BiC 13 28 46.5126649584 +17 24 23.522011128           ~ 6 0
101 2MASX J13331328+6003240 BiC 13 33 13.3029885048 +60 03 23.524066692           ~ 10 0
102 SDSS J133501.12+324359.3 BiC 13 35 01.1200710216 +32 43 59.465536320           ~ 2 0
103 2MASX J13432492+3926434 BiC 13 43 24.9612246408 +39 26 44.005821144           ~ 5 0
104 LEDA 1987631 Sy2 13 48 38.7023533464 +32 14 36.723177708   19.47 18.84     ~ 13 0
105 SDSS J135905.33+564441.0 BiC 13 59 05.337 +56 44 40.79           ~ 4 0
106 SDSS J135947.52+405523.9 BiC 13 59 47.5308311376 +40 55 23.926769868           ~ 4 0
107 FIRST J140016.9+111741 rG 14 00 16.9392234000 +11 17 41.307658080           ~ 4 0
108 NVSS J140040+314847 rG 14 00 40.676 +31 48 51.02           ~ 5 0
109 SDSS J140711.02+085351.5 BiC 14 07 11.025 +08 53 51.52           ~ 6 0
110 6C 141004+530258 Bla 14 11 49.4453005152 +52 49 00.219602568   16.5       ~ 81 1
111 SDSS J141153.12+562714.0 BiC 14 11 53.1208938864 +56 27 13.977028008           ~ 4 0
112 2MASX J14153394+6518561 Sy2 14 15 33.8735542944 +65 18 55.759513860   19.78 19.00     ~ 7 0
113 SDSS J142347.21+263442.9 BiC 14 23 47.212 +26 34 43.01           ~ 6 0
114 [WLH2009] J215.97189+17.63063 LIN 14 23 53.2540454976 +17 37 50.236005864           ~ 7 0
115 LEDA 2590626 BiC 14 24 23.1272557848 +59 27 07.086727224           ~ 6 0
116 2MASX J14242505+2713443 BiC 14 24 25.02769 +27 13 44.7366           ~ 6 0
117 SDSS J142457.79+054229.3 BiC 14 24 57.79656 +05 42 29.3185           ~ 3 0
118 SDSS J142831.37+160049.4 Sy1 14 28 31.3758122688 +16 00 49.541738580           ~ 3 0
119 2MASX J14295547+0528364 LIN 14 29 55.523 +05 28 36.48           ~ 8 0
120 2MASX J14334236+5814134 BiC 14 33 42.3497069376 +58 14 13.652707092           ~ 3 0
121 LEDA 2505291 Sy2 14 35 52.6394412096 +55 31 39.012036888   19.83 19.03     ~ 14 0
122 ACT-CL J1438.8+0629 ClG 14 38 46.540 +06 30 05.10           ~ 7 0
123 SDSS J143846.54+063005.1 BiC 14 38 46.541 +06 30 05.10           ~ 4 0
124 SDSS J144121.82+565144.3 BiC 14 41 21.8209997496 +56 51 44.355956652           ~ 5 0
125 2MASX J14462874+2341405 BiC 14 46 28.7534542152 +23 41 40.610344092           ~ 5 0
126 SDSS J144713.22+234224.2 BiC 14 47 13.220 +23 42 24.25           ~ 5 0
127 SDSS J144820.36+204437.2 BiC 14 48 20.364 +20 44 37.29           ~ 4 0
128 NVSS J145010+030336 rG 14 50 10.2264117240 +03 03 25.030598112           ~ 7 0
129 2MASX J14563628+0458036 BiC 14 56 36.2845901832 +04 58 03.412248204           ~ 3 0
130 2MASX J15000909+2139257 BiC 15 00 09.0359298936 +21 39 25.916227416           ~ 8 0
131 SDSS J150320.62+073627.8 BiC 15 03 20.6242312032 +07 36 27.908445132           ~ 5 0
132 2MASX J15150467+0255335 Sy2 15 15 04.6458577632 +02 55 32.881589688   19.57 18.71     ~ 8 0
133 LEDA 2232432 BiC 15 16 02.0423924064 +43 55 30.814856940           ~ 4 0
134 FIRST J151644.5+203641 rG 15 16 44.5371809088 +20 36 40.719071988           ~ 5 0
135 PMN J1518+0613 Bla 15 18 45.7276771080 +06 13 56.112249504   16.65   15.37   ~ 66 1
136 2MASX J15243722+2950207 BiC 15 24 37.2261299352 +29 50 21.041935728           ~ 9 0
137 LEDA 1373280 BiC 15 27 49.4224658016 +10 00 29.060907660           ~ 4 0
138 SDSS J152805.27+072622.0 BiC 15 28 05.2755288264 +07 26 22.036735716           ~ 3 0
139 SDSSCGB 10740.1 BiC 15 30 06.4924594272 +21 35 34.144060992           ~ 4 0
140 SDSS J153207.98+072112.6 BiC 15 32 07.9876024056 +07 21 12.614161392           ~ 4 0
141 2MASX J15343626+3708425 BiC 15 34 36.2654834904 +37 08 42.895262652           ~ 8 0
142 LEDA 3417270 BiC 15 42 19.7246631144 +41 49 27.972903000           ~ 4 0
143 SDSS J154454.82+060548.8 BiC 15 44 54.8241310848 +06 05 48.937476588           ~ 2 0
144 2MASS J15485337+4834352 Sy1 15 48 53.3911172568 +48 34 35.017747284   18.90 18.15     ~ 13 0
145 SDSS J160328.33+031336.1 BiC 16 03 28.3316503872 +03 13 36.191256060           ~ 3 0
146 2MASX J16053413+1649078 Sy2 16 05 34.1748601296 +16 49 07.975223004           ~ 6 0
147 SDSS J160552.88+274407.2 BiC 16 05 52.8882313152 +27 44 07.212783336           ~ 2 0
148 SDSS J160806.42+252044.9 BiC 16 08 06.429 +25 20 44.95           ~ 4 0
149 SDSS J160934.85+432055.0 BiC 16 09 34.8503877600 +43 20 55.108686444           ~ 4 0
150 2MASX J16310755+2122287 BiC 16 31 07.5425147184 +21 22 28.466707332           ~ 6 0
151 SDSS J163300.10+114651.5 BiC 16 33 00.1124122296 +11 46 51.559961124           ~ 2 0
152 SDSS J165509.91+221238.3 BiC 16 55 09.9234097560 +22 12 38.351827512           ~ 3 0
153 2MASX J17183116+6425052 BiC 17 18 31.1480223600 +64 25 05.195329176           ~ 13 0
154 6C 172625+551254 BLL 17 27 23.46931638 +55 10 53.5354709   20.84 19.77 17.15   ~ 66 3
155 2MASX J20531285-0104315 Sy1 20 53 12.8492144376 -01 04 30.909325224   19.62 18.79     ~ 12 0
156 SDSS J211745.95+111720.9 BiC 21 17 45.9529825080 +11 17 20.934050856           ~ 2 0
157 2MASX J22090265-0810127 BiC 22 09 02.682 -08 10 13.04           ~ 3 0
158 SDSS J223312.06+004329.5 BiC 22 33 12.060 +00 43 29.52           ~ 2 0
159 2MASX J22393270+1421487 LIN 22 39 32.70588 +14 21 49.2125           ~ 5 0
160 ZwCl 2341+0000 ClG 23 43 40.566 +00 18 18.94           ~ 83 0
161 SDSS J234340.75+002030.1 Sy2 23 43 40.745 +00 20 30.08   20.27 19.51     ~ 9 0
162 ACT-CL J2344.7-4243 ClG 23 44 43.9 -42 43 11           ~ 229 0

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