2017ApJ...839L..11Z

Query : 2017ApJ...839L..11Z

2017ApJ...839L..11Z - Astrophys. J., 839, L11-L11 (2017/April-2)

A very large (θE >= 40'') strong gravitational lens selected with the Sunyaev-Zel'dovich effect: PLCK G287.0+32.9 z = 0.38).

ZITRIN A., SEITZ S., MONNA A., KOEKEMOER A.M., NONINO M., GRUEN D., BALESTRA I., GIRARDI M., KOPPENHOEFER J. and MERCURIO A.

Abstract (from CDS):

Since galaxy clusters sit at the high end of the mass function, the number of galaxy clusters both massive and concentrated enough to yield particularly large Einstein radii poses useful constraints on cosmological and structure formation models. To date, less than a handful of clusters are known to have Einstein radii exceeding ∼40′′ (for a source at zs≃2, nominally). Here, we report an addition to that list of the Sunyaev-Zel'dovich (SZ) selected cluster, PLCK G287.0+32.9 (z = 0.38), the second-highest SZ-mass (M500) cluster from the Planck catalog. We present the first strong-lensing analysis of the cluster, identifying 20 sets of multiply imaged galaxies and candidates in new Hubble Space Telescope (HST) data, including a long, l∼22′′ giant arc, as well as a quadruply imaged, apparently bright (magnified to JF110W=25.3 AB), likely high-redshift dropout galaxy at zphot=6.90 [6.13-8.43] (95% C.I.). Our analysis reveals a very large critical area (1.55 arcmin2, zs≃2), corresponding to an effective Einstein radius of θE∼42′′ . The model suggests the critical area will expand to 2.58 arcmin2 (θE∼54′′ ) for sources at zs∼10. Our work adds to recent efforts to model very massive clusters toward the launch of the James Webb Space Telescope, in order to identify the most useful cosmic lenses for studying the early universe. Spectroscopic redshifts for the multiply imaged galaxies and additional HST data will be necessary for refining the lens model and verifying the nature of the z∼7 dropout.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): galaxies: clusters: general - galaxies: clusters: individual: PLCK G287.0+32.9 - gravitational lensing: strong - gravitational lensing: strong

VizieR on-line data: <Available at CDS (J/ApJ/839/L11): table1.dat>

Nomenclature: Fig. 1, Table 1: [ZSM2017] PLCK G287.0+32.9 NN.N N=34 among (Nos 1.1-1.2 to 19.1-19.4), [ZSM2017] PLCK G287.0+32.9 cNN.N N=23 among (Nos c4.3 to c20.1-c20.2).

Simbad objects: 64

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Number of rows : 64
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 ACT-CL J0102-4915 ClG 01 02 52.50 -49 14 58.0           ~ 296 0
2 ACO 370 ClG 02 39 50.5 -01 35 08           ~ 825 0
3 ClG J0717+3745 ClG 07 17 36.50 +37 45 23.0           ~ 511 0
4 [ZSM2017] PLCK G287.0+32.9 12.2 LeI 11 50 43.5980 -28 05 13.836           ~ 1 0
5 [ZSM2017] PLCK G287.0+32.9 c12.3 LI? 11 50 43.6030 -28 05 13.483           ~ 1 0
6 [ZSM2017] PLCK G287.0+32.9 12.1 LeI 11 50 43.7050 -28 05 18.794           ~ 1 0
7 [ZSM2017] PLCK G287.0+32.9 c12.4 LI? 11 50 43.8210 -28 05 00.398           ~ 1 0
8 [ZSM2017] PLCK G287.0+32.9 c11.2 LI? 11 50 44.0630 -28 05 10.642           ~ 1 0
9 [ZSM2017] PLCK G287.0+32.9 c11.1 LI? 11 50 44.0890 -28 05 09.461           ~ 1 0
10 [ZSM2017] PLCK G287.0+32.9 c11.3 LI? 11 50 44.2020 -28 05 17.428           ~ 1 0
11 [ZSM2017] PLCK G287.0+32.9 10.2 LeI 11 50 44.9290 -28 05 04.072           ~ 1 0
12 [ZSM2017] PLCK G287.0+32.9 10.1 LeI 11 50 44.9420 -28 05 02.578           ~ 1 0
13 [ZSM2017] PLCK G287.0+32.9 10.3 LeI 11 50 44.9930 -28 05 06.556           ~ 1 0
14 [ZSM2017] PLCK G287.0+32.9 c18.2 LI? 11 50 45.2550 -28 05 21.258           ~ 1 0
15 [ZSM2017] PLCK G287.0+32.9 c18.1 LI? 11 50 45.2710 -28 05 15.966           ~ 1 0
16 [ZSM2017] PLCK G287.0+32.9 c17.2 LI? 11 50 45.3770 -28 05 08.390           ~ 1 0
17 [ZSM2017] PLCK G287.0+32.9 c17.1 LI? 11 50 45.3960 -28 05 00.931           ~ 1 0
18 [ZSM2017] PLCK G287.0+32.9 19.4 LeI 11 50 46.1850 -28 05 44.875           ~ 1 0
19 [ZSM2017] PLCK G287.0+32.9 c5.3 LI? 11 50 46.2430 -28 05 30.772           ~ 1 0
20 [ZSM2017] PLCK G287.0+32.9 c17 LeI 11 50 46.5780 -28 04 23.945           ~ 1 0
21 [ZSM2017] PLCK G287.0+32.9 7.4 LeI 11 50 46.9820 -28 05 41.706           ~ 1 0
22 [ZSM2017] PLCK G287.0+32.9 c6.1 LI? 11 50 47.0210 -28 04 51.560           ~ 1 0
23 [ZSM2017] PLCK G287.0+32.9 c6.2 LI? 11 50 47.2320 -28 04 42.851           ~ 1 0
24 [ZSM2017] PLCK G287.0+32.9 1.2 LeI 11 50 49.0540 -28 05 04.792           ~ 1 0
25 PLCKESZ G287.0+32.9 ClG 11 50 49.20 -28 04 36.5           ~ 100 0
26 RELICS wfc3ir PLCK G287.0+32.9 698 G 11 50 49.2030 -28 04 14.689   28.9468     28.5938 ~ 4 0
27 [ZSM2017] PLCK G287.0+32.9 7.1 LeI 11 50 49.2520 -28 04 23.606           ~ 1 0
28 [ZSM2017] PLCK G287.0+32.9 1.1 LeI 11 50 49.4480 -28 05 02.060           ~ 1 0
29 [ZSM2017] PLCK G287.0+32.9 8.3 LeI 11 50 49.5930 -28 05 22.032           ~ 1 0
30 [ZSM2017] PLCK G287.0+32.9 c9.2 LI? 11 50 50.2000 -28 05 27.985           ~ 1 0
31 [ZSM2017] PLCK G287.0+32.9 c15.2 LI? 11 50 50.2390 -28 03 54.937           ~ 1 0
32 [ZSM2017] PLCK G287.0+32.9 c9.1 LI? 11 50 50.4300 -28 05 26.016           ~ 1 0
33 [ZSM2017] PLCK G287.0+32.9 c19.5 LI? 11 50 50.4430 -28 04 53.959           ~ 1 0
34 [ZSM2017] PLCK G287.0+32.9 c15.1 LI? 11 50 50.4700 -28 03 54.703           ~ 1 0
35 [ZSM2017] PLCK G287.0+32.9 c20.2 LI? 11 50 50.5210 -28 05 00.919           ~ 1 0
36 [ZSM2017] PLCK G287.0+32.9 c20.1 LI? 11 50 50.6320 -28 05 03.137           ~ 1 0
37 [ZSM2017] PLCK G287.0+32.9 4.2 LeI 11 50 50.6670 -28 05 44.562           ~ 1 0
38 [ZSM2017] PLCK G287.0+32.9 4.1 LeI 11 50 50.8000 -28 05 43.124           ~ 1 0
39 [ZSM2017] PLCK G287.0+32.9 5.1 LeI 11 50 50.8900 -28 04 31.287           ~ 1 0
40 [ZSM2017] PLCK G287.0+32.9 3.2 LeI 11 50 51.1970 -28 05 42.271           ~ 1 0
41 [ZSM2017] PLCK G287.0+32.9 8.2 LeI 11 50 51.2900 -28 05 12.952           ~ 1 0
42 [ZSM2017] PLCK G287.0+32.9 5.2 LeI 11 50 51.3030 -28 04 31.069           ~ 1 0
43 [ZSM2017] PLCK G287.0+32.9 3.1 LeI 11 50 51.5490 -28 05 39.538           ~ 1 0
44 [ZSM2017] PLCK G287.0+32.9 7.3 LeI 11 50 51.7020 -28 05 17.047           ~ 1 0
45 RELICS wfc3ir PLCK G287.0+32.9 2235 LeI 11 50 51.9360 -28 05 16.296           ~ 3 0
46 [ZSM2017] PLCK G287.0+32.9 8.1 LeI 11 50 52.7430 -28 04 48.339           ~ 1 0
47 RELICS wfc3ir PLCK G287.0+32.9 777 G 11 50 52.7840 -28 04 17.603   28.7289       ~ 4 0
48 [ZSM2017] PLCK G287.0+32.9 2.3 LeI 11 50 52.8440 -28 06 03.226           ~ 1 0
49 [ZSM2017] PLCK G287.0+32.9 7.2 LeI 11 50 52.8750 -28 04 23.606           ~ 1 0
50 [ZSM2017] PLCK G287.0+32.9 16.3 LeI 11 50 53.5880 -28 06 19.559           ~ 1 0
51 [ZSM2017] PLCK G287.0+32.9 3.3 LeI 11 50 53.8300 -28 05 10.648           ~ 1 0
52 [ZSM2017] PLCK G287.0+32.9 16.2 LeI 11 50 53.9190 -28 06 17.939           ~ 1 0
53 [ZSM2017] PLCK G287.0+32.9 16.1 LeI 11 50 53.9490 -28 06 17.632           ~ 1 0
54 [ZSM2017] PLCK G287.0+32.9 2.2 LeI 11 50 54.0600 -28 05 54.105           ~ 1 0
55 [ZSM2017] PLCK G287.0+32.9 2.1 LeI 11 50 54.2010 -28 05 52.064           ~ 1 0
56 [ZSM2017] PLCK G287.0+32.9 c4.3 LI? 11 50 54.4690 -28 05 04.469           ~ 1 0
57 [ZSM2017] PLCK G287.0+32.9 c13.3 LI? 11 50 54.9950 -28 04 14.134           ~ 1 0
58 [ZSM2017] PLCK G287.0+32.9 c13.2 LI? 11 50 55.4280 -28 04 19.980           ~ 1 0
59 [ZSM2017] PLCK G287.0+32.9 14.1 LeI 11 50 55.7510 -28 04 04.016           ~ 1 0
60 [ZSM2017] PLCK G287.0+32.9 14.2 LeI 11 50 55.8550 -28 04 05.816           ~ 1 0
61 [ZSM2017] PLCK G287.0+32.9 c13.1 LI? 11 50 55.8790 -28 04 25.578           ~ 1 0
62 [ZSM2017] PLCK G287.0+32.9 14.3 LeI 11 50 56.1090 -28 04 07.315           ~ 1 0
63 ACO 1689 ClG 13 11 29.5 -01 20 28           ~ 1178 0
64 ACT-CL J2327.4-0204 ClG 23 27 27.60 -02 04 37.4           ~ 44 0

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