2019ApJ...878...66C

Query : 2019ApJ...878...66C

2019ApJ...878...66C - Astrophys. J., 878, 66-66 (2019/June-2)

Assembling a RELIC at redshift 1: spectroscopic observations of galaxies in the RELICS cluster SPT-CLJ0615-5746.

CONNOR T., KELSON D.D., BLANC G.A. and BOUTSIA K.

Abstract (from CDS):

We present a catalog of spectroscopic redshifts for SPT-CLJ0615-5746, the most distant cluster in the Reionization Lensing Cluster Survey. Using Nod & Shuffle multislit observations with LDSS-3 on Magellan, we identify ∼50 cluster members and derive a cluster redshift of zc = 0.972, with a velocity dispersion of σ = 1244 ± 162 km s–1. We calculate a cluster mass using a σ200 - M200 scaling relation of M200 = (9.6 ± 3.5) x 1014 M☉, in agreement with previous, independent mass measurements of this cluster. In addition, we examine the kinematic state of SPT-CLJ0615-5746, taking into consideration prior investigations of this system. With an elongated profile in lensing mass and X-ray emission, a non-Gaussian velocity dispersion that increases with clustercentric radius, and a brightest cluster galaxy not at rest with the bulk of the system, there are multiple cluster properties that, while not individually compelling, combine to paint a picture that SPT-CLJ0615-5746 is currently being assembled.

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

Journal keyword(s): galaxies: clusters: individual: SPT-CLJ0615-5746 - galaxies: distances and redshifts - surveys

VizieR on-line data: <Available at CDS (J/ApJ/878/66): table1.dat table2.dat>

Simbad objects: 60

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Number of rows : 60
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 RELICS acs-wfc3 SPT-CL J0615-5746 3880 G 06 15 39.305 -57 48 25.56         22.729 ~ 1 0
2 RELICS acs-wfc3 SPT-CL J0615-5746 9062 G 06 15 41.968 -57 46 43.03         22.222 ~ 1 0
3 RELICS acs-wfc3 SPT-CL J0615-5746 5925 G 06 15 45.312 -57 47 46.05         22.279 ~ 1 0
4 RELICS acs-wfc3 SPT-CL J0615-5746 3895 G 06 15 46.859 -57 48 25.97         22.899 ~ 1 0
5 RELICS acs-wfc3 SPT-CL J0615-5746 10145 G 06 15 48.182 -57 46 27.16         21.884 ~ 1 0
6 RELICS acs-wfc3 SPT-CL J0615-5746 7343 G 06 15 48.521 -57 47 14.69         22.488 ~ 1 0
7 RELICS acs-wfc3 SPT-CL J0615-5746 6894 G 06 15 48.634 -57 47 26.68         22.611 ~ 1 0
8 RELICS acs-wfc3 SPT-CL J0615-5746 6961 G 06 15 48.860 -57 47 29.22         21.353 ~ 1 0
9 RELICS acs-wfc3 SPT-CL J0615-5746 3552 G 06 15 49.757 -57 48 32.23         22.822 ~ 1 0
10 RELICS acs-wfc3 SPT-CL J0615-5746 7190 G 06 15 49.778 -57 47 20.31         22.485 ~ 1 0
11 RELICS acs-wfc3 SPT-CL J0615-5746 6845 G 06 15 50.064 -57 47 26.97         22.803 ~ 1 0
12 RELICS acs-wfc3 SPT-CL J0615-5746 3044 G 06 15 50.190 -57 48 47.30         21.072 ~ 1 0
13 RELICS acs-wfc3 SPT-CL J0615-5746 10636 G 06 15 50.475 -57 46 18.43         21.395 ~ 1 0
14 RELICS acs-wfc3 SPT-CL J0615-5746 9568 G 06 15 50.825 -57 46 37.43         21.755 ~ 1 0
15 RELICS acs-wfc3 SPT-CL J0615-5746 8106 G 06 15 50.831 -57 47 06.99         21.845 ~ 1 0
16 ACT-CL J0615.8-5746 ClG 06 15 50.8888 -57 46 36.826           ~ 80 0
17 RELICS acs-wfc3 SPT-CL J0615-5746 8474 G 06 15 51.076 -57 47 03.99         21.658 ~ 1 0
18 RELICS acs-wfc3 SPT-CL J0615-5746 5069 G 06 15 51.094 -57 48 04.51         22.559 ~ 1 0
19 RELICS acs-wfc3 SPT-CL J0615-5746 7577 G 06 15 51.142 -57 47 11.27         22.442 ~ 1 0
20 RELICS acs-wfc3 SPT-CL J0615-5746 8315 G 06 15 51.190 -57 46 56.95         22.958 ~ 1 0
21 RELICS acs-wfc3 SPT-CL J0615-5746 18701 G 06 15 51.340 -57 45 05.41         21.837 ~ 1 0
22 RELICS acs-wfc3 SPT-CL J0615-5746 8814 G 06 15 51.405 -57 46 53.39         22.140 ~ 1 0
23 NAME CMB2024 SPT-CL J0615-5746 BCG BiC 06 15 51.715 -57 46 48.41         20.278 ~ 3 0
24 RELICS acs-wfc3 SPT-CL J0615-5746 8653 G 06 15 51.728 -57 46 50.38         22.676 ~ 1 0
25 RELICS acs-wfc3 SPT-CL J0615-5746 9742 G 06 15 51.906 -57 46 44.67         21.985 ~ 1 0
26 RELICS acs-wfc3 SPT-CL J0615-5746 10158 G 06 15 52.146 -57 46 31.29         21.566 ~ 1 0
27 RELICS acs-wfc3 SPT-CL J0615-5746 9614 G 06 15 52.331 -57 46 40.15         22.045 ~ 1 0
28 [OOP2020] SPT-CL J0615-5746 BCG B BiC 06 15 52.892 -57 46 31.09         21.128 ~ 2 0
29 RELICS acs-wfc3 SPT-CL J0615-5746 8305 G 06 15 52.893 -57 47 05.89         20.443 ~ 1 0
30 RELICS acs-wfc3 SPT-CL J0615-5746 9181 G 06 15 53.156 -57 46 47.70         22.479 ~ 1 0
31 RELICS acs-wfc3 SPT-CL J0615-5746 19154 G 06 15 53.257 -57 45 12.91         22.562 ~ 1 0
32 RELICS acs-wfc3 SPT-CL J0615-5746 9687 G 06 15 53.439 -57 46 33.22         22.674 ~ 1 0
33 RELICS acs-wfc3 SPT-CL J0615-5746 8991 G 06 15 53.448 -57 46 44.68         21.402 ~ 1 0
34 RELICS acs-wfc3 SPT-CL J0615-5746 10781 G 06 15 53.573 -57 46 18.15         22.248 ~ 1 0
35 RELICS acs-wfc3 SPT-CL J0615-5746 10867 G 06 15 53.626 -57 46 09.78         22.566 ~ 1 0
36 RELICS acs-wfc3 SPT-CL J0615-5746 5421 G 06 15 53.798 -57 47 58.65         21.330 ~ 1 0
37 RELICS acs-wfc3 SPT-CL J0615-5746 7629 G 06 15 54.021 -57 47 12.51         21.259 ~ 1 0
38 RELICS acs-wfc3 SPT-CL J0615-5746 6694 G 06 15 54.024 -57 47 30.93         22.436 ~ 1 0
39 RELICS acs-wfc3 SPT-CL J0615-5746 4577 G 06 15 54.695 -57 48 19.32         21.122 ~ 1 0
40 RELICS acs-wfc3 SPT-CL J0615-5746 5633 G 06 15 54.697 -57 47 51.53         22.679 ~ 1 0
41 RELICS acs-wfc3 SPT-CL J0615-5746 9277 G 06 15 55.433 -57 46 41.51         22.966 ~ 1 0
42 RELICS acs-wfc3 SPT-CL J0615-5746 20122 G 06 15 55.572 -57 45 32.66         20.798 ~ 1 0
43 RELICS acs-wfc3 SPT-CL J0615-5746 9584 G 06 15 55.812 -57 46 33.37         22.897 ~ 1 0
44 RELICS acs-wfc3 SPT-CL J0615-5746 10675 G 06 15 55.966 -57 46 15.36         21.818 ~ 1 0
45 RELICS acs-wfc3 SPT-CL J0615-5746 13503 G 06 15 56.491 -57 45 33.27         20.566 ~ 1 0
46 RELICS acs-wfc3 SPT-CL J0615-5746 11895 G 06 15 57.042 -57 45 55.01         22.761 ~ 1 0
47 RELICS acs-wfc3 SPT-CL J0615-5746 17635 G 06 15 57.371 -57 44 47.51         22.878 ~ 1 0
48 RELICS acs-wfc3 SPT-CL J0615-5746 10120 G 06 15 57.833 -57 46 22.95         22.870 ~ 1 0
49 RELICS acs-wfc3 SPT-CL J0615-5746 9715 G 06 15 58.020 -57 46 32.86         22.549 ~ 1 0
50 RELICS acs-wfc3 SPT-CL J0615-5746 11379 G 06 15 58.499 -57 46 05.34         21.542 ~ 1 0
51 RELICS acs-wfc3 SPT-CL J0615-5746 9108 G 06 15 59.027 -57 46 51.49         22.044 ~ 1 0
52 RELICS acs-wfc3 SPT-CL J0615-5746 5735 G 06 15 59.610 -57 47 51.43         21.519 ~ 1 0
53 RELICS acs-wfc3 SPT-CL J0615-5746 10632 G 06 15 59.706 -57 46 17.31         21.270 ~ 1 0
54 RELICS acs-wfc3 SPT-CL J0615-5746 5189 G 06 16 00.702 -57 48 02.09         22.870 ~ 1 0
55 RELICS acs-wfc3 SPT-CL J0615-5746 11671 G 06 16 00.957 -57 46 42.20         18.133 ~ 1 0
56 RELICS acs-wfc3 SPT-CL J0615-5746 9541 G 06 16 01.808 -57 46 34.02         22.383 ~ 1 0
57 RELICS acs-wfc3 SPT-CL J0615-5746 7092 G 06 16 01.846 -57 47 26.41         20.979 ~ 1 0
58 RELICS acs-wfc3 SPT-CL J0615-5746 9451 G 06 16 04.712 -57 46 35.62         22.563 ~ 1 0
59 RELICS acs-wfc3 SPT-CL J0615-5746 6608 G 06 16 04.810 -57 47 32.42         21.919 ~ 1 0
60 ClG J0717+3745 ClG 07 17 36.50 +37 45 23.0           ~ 511 0

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