2019ApJ...871..188B

Query : 2019ApJ...871..188B

2019ApJ...871..188B - Astrophys. J., 871, 188-188 (2019/February-1)

High confidence optical confirmations among the high signal-to-noise Planck cluster candidates.

BOADA S., HUGHES J.P., MENANTEAU F., DOZE P., BARRIENTOS L.F. and INFANTE L.

Abstract (from CDS):

We report on newly identified galaxy clusters from the high signal-to-noise (>5σ) end of the second all-sky Planck Sunyaev-Zel'dovich (SZ) catalog (PSZ2). The clusters are identified in deep, optical imaging from the Kitt Peak National Observatory 4 m Mayall telescope taken between 2014 and 2017. Here we focus on the highest richness systems, and identify galaxy clusters through a combination of the maxBCG algorithm and visual image inspection. Galaxy clusters are considered to be confirmed if they are both rich and spatially coincident (<=6') with the reported PSZ2 position. Of the 85 fields containing unconfirmed PSZ2 candidates observed, we find 15 (17.6% of the observed sample) corresponding galaxy clusters (0.13 < z < 0.78), 12 of which are previously unrecognized as counterparts. To explain this low identification fraction, we consider three possible scenarios: that clusters are (1) mostly at low-z, (2) mostly at high-z, or (3) located in fields with high object density. None of these scenarios alone can account for the low purity of rich galaxy clusters among the high signal-to-noise PSZ2 unconfirmed candidates.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): cosmology: observations - galaxies: clusters: general

Simbad objects: 41

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Number of rows : 41
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 PSZ2 G107.83-45.45 ClG 00 07 34.9236 +16 07 51.057           ~ 7 0
2 SDSS J000735.62+160701.8 BiC 00 07 35.62128 +16 07 01.8732           ~ 2 0
3 SDSS J000736.15+160508.9 G 00 07 36.15672 +16 05 08.9772           ~ 1 0
4 ACT-CL J0102-4915 ClG 01 02 52.50 -49 14 58.0           ~ 296 0
5 NVSS J043818+043802 Rad 04 38 18.0 +04 38 02           ~ 1 0
6 PSZ1 G191.78-26.64 C?G 04 38 29.4 +04 43 54           ~ 7 0
7 NVSS J043836+043824 Rad 04 38 36.07 +04 38 22.0           ~ 2 1
8 B3 0713+441 X 07 17 26.869 +44 05 03.88           ~ 5 2
9 PSZ2 G173.76+22.92 ClG 07 17 28.3799 +44 03 27.621           ~ 5 0
10 ATO J109.5025+44.0908 Sy1 07 18 00.6068755320 +44 05 27.113642520   15.5 15.5     ~ 57 1
11 PSZ1 G206.45+13.89 ClG 07 29 59.2815 +11 56 20.732           ~ 19 0
12 PSZ1 G224.82+13.62 ClG 08 01 41.6941 -04 03 52.894           ~ 11 0
13 2E 0759.2-0355 X 08 01 42.0 -04 03 36           ~ 1 0
14 NVSS J112535+835858 rG 11 25 34.01 +83 59 03.3           ~ 2 1
15 PSZ2 G125.55+32.72 ClG 11 25 34.7025 +83 57 29.127           ~ 6 0
16 RX J1125.7+8355 X 11 25 47.4 +83 55 59           ~ 3 0
17 NVSS J112550+835508 Rad 11 25 50.0 +83 55 08           ~ 1 0
18 NVSS J114059+610658 rG 11 40 59.551 +61 07 07.04           ~ 5 0
19 PSZ2 G137.24+53.93 ClG 11 41 06.5368 +61 11 39.027           ~ 8 0
20 GMBCG 175.54011+61.13607 ClG 11 42 09.63 +61 08 09.9           ~ 1 0
21 PMN J1259-1801 Rad 12 59.0 -18 01           ~ 1 0
22 PSZ1 G305.77+44.80 ClG 12 59 54.4224 -18 01 58.850           ~ 7 0
23 [DPL2003] WL J1312.5+7252 ? 13 12 31.0 +72 51 32           ~ 2 0
24 [DPL2003] J131231.1+725054 BiC 13 12 31.1 +72 50 54           ~ 3 1
25 [DPL2003] J131232.6+725055 LeI 13 12 32.6 +72 50 55           ~ 2 1
26 ACO 1705 ClG 13 12 54.800 +72 55 00.00           ~ 21 0
27 SDSS J131814.99+383055.8 G 13 18 14.99736 +38 30 55.8684           ~ 1 0
28 PSZ1 G098.42+77.25 C?G 13 18 20.3 +38 34 08           ~ 9 0
29 GMBCG 199.59552+38.43492 ClG 13 18 22.92 +38 26 05.7           ~ 5 0
30 [KMA2007] 199.67866+38.71670 ClG 13 18 42.8 +38 43 00           ~ 5 0
31 ACO 1958 ClG 14 43 13 +30 58.3           ~ 53 0
32 PSZ2 G106.11+24.11 ClG 19 21 21.3 +74 33 55           ~ 8 0
33 NVSS J213638-101836 Rad 21 36 38.407 -10 18 34.10           ~ 3 1
34 PSZ2 G043.44-41.27 ClG 21 36 44.0668 -10 17 47.820           ~ 7 0
35 1RXS J213644.4-101904 X 21 36 44.400 -10 19 04.51           ~ 1 0
36 1RXS J214531.1-214339 X 21 45 31.099 -21 43 39.50           ~ 1 0
37 PSZ2 G029.66-47.63 ClG 21 45 44.2226 -21 46 48.806           ~ 5 0
38 NVSS J214940+331031 Rad 21 49 40.65 +33 10 31.2           ~ 2 1
39 PSZ1 G084.62-15.86 ClG 21 49 43.7 +33 10 24           ~ 9 0
40 1RXS J224806.6+353230 X 22 48 06.6 +35 32 30           ~ 2 0
41 PSZ2 G096.43-20.89 ClG 22 48 08.6950 +35 33 21.477           ~ 9 0

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