2018MNRAS.474.3700K

Query : 2018MNRAS.474.3700K

2018MNRAS.474.3700K - Mon. Not. R. Astron. Soc., 474, 3700-3713 (2018/March-1)

Models of gravitational lens candidates from Space Warps CFHTLS.

KUNG R., SAHA P., FERRERAS I., BAETEN E., COLES J., CORNEN C., MACMILLAN C., MARSHALL P., MORE A., OSWALD L., VERMA A. and WILCOX J.K.

Abstract (from CDS):

We report modelling follow-up of recently discovered gravitational-lens candidates in the Canada France Hawaii Telescope Legacy Survey. Lens modelling was done by a small group of specially interested volunteers from the Space Warps citizen-science community who originally found the candidate lenses. Models are categorized according to seven diagnostics indicating (a) the image morphology and how clear or indistinct it is, (b) whether the mass map and synthetic lensed image appear to be plausible, and (c) how the lens-model mass compares with the stellar mass and the abundance-matched halo mass. The lensing masses range from ∼1011 to >1013 M☉. Preliminary estimates of the stellar masses show a smaller spread in stellar mass (except for two lenses): a factor of a few below or above ∼1011 M☉. Therefore, we expect the stellar-to-total mass fraction to decline sharply as lensing mass increases. The most massive system with a convincing model is J1434+522 (SW 05). The two low-mass outliers are J0206-095 (SW 19) and J2217+015 (SW 42); if these two are indeed lenses, they probe an interesting regime of very low star formation efficiency. Some improvements to the modelling software (SpaghettiLens), and discussion of strategies regarding scaling to future surveys with more and frequent discoveries, are included.

Abstract Copyright: © 2017 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): gravitational lensing: strong - galaxies: general - galaxies: stellar content - dark matter

VizieR on-line data: <Available at CDS (J/MNRAS/474/3700): table1.dat>

Simbad objects: 59

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Number of rows : 59
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 [MVM2016] SW19 Le? 02 06 42.01 -09 51 57.0           ~ 3 0
2 [MVM2016] SW8 Le? 02 06 48.07 -06 56 39.5           ~ 2 0
3 [MVM2016] SW43 Le? 02 08 10.79 -04 02 20.1           ~ 2 0
4 VIPERS 121030829 G 02 08 32.152 -04 33 15.39           ~ 8 0
5 [MVM2016] SW10 Le? 02 08 48.26 -04 24 27.0           ~ 2 0
6 [MVM2016] SW11 Le? 02 08 49.88 -05 04 29.8           ~ 2 0
7 [MVM2016] SW44 Le? 02 10 21.55 -09 34 15.9           ~ 2 0
8 GAMA J021057.94-084450.5 G 02 10 57.96 -08 44 50.8           ~ 3 0
9 [MVM2016] SW20 Le? 02 12 21.1533942648 -10 52 52.013019936           ~ 2 0
10 [MVM2016] SW45 Le? 02 12 25.23 -08 52 11.0           ~ 4 0
11 [MVM2016] SW46 Le? 02 13 17.62 -08 48 19.8           ~ 2 0
12 [MVM2016] SW31 Le? 02 15 14.61 -09 24 40.1           ~ 2 0
13 [MVM2016] SW32 Le? 02 23 59.89 -08 36 51.8           ~ 2 0
14 DELS 8000293131004161 Le? 02 24 06.14 -06 28 46.7           ~ 3 0
15 [MVM2016] SW1 Le? 02 24 09.55 -10 58 07.9           ~ 2 0
16 SDSS J022533.32-053204.6 BiC 02 25 33.32112 -05 32 04.6824           ~ 5 0
17 [MVM2016] SW22 Le? 02 27 16.4539881360 -10 56 02.848974072           ~ 2 0
18 [MVM2016] SW33 Le? 02 27 45.28 -06 25 18.6           ~ 2 0
19 DELS 8000300301002439 G 02 28 05.67 -05 17 33.6           ~ 4 0
20 [MVM2016] SW47 Le? 02 28 43.06 -06 33 16.7           ~ 2 0
21 [MVM2016] SW23 Le? 02 30 08.62 -05 40 38.8           ~ 2 0
22 [MVM2016] SW14 Le? 02 31 23.24 -08 25 35.9           ~ 2 0
23 VIPERS 127065301 G 02 33 15.200 -04 22 44.08           ~ 6 0
24 [MVM2016] SW34 Le? 02 34 53.57 -09 30 32.1           ~ 2 0
25 [MVM2016] SW35 Le? 08 48 33.23 -04 40 51.1           ~ 2 0
26 [MVM2016] SW15 Le? 08 48 41.00 -04 52 37.9           ~ 2 0
27 [MVM2016] SW48 Le? 09 02 19.07 -05 39 24.0           ~ 3 0
28 GAMA J090248.48-010232.8 G 09 02 48.49 -01 02 32.7           ~ 3 0
29 [MVM2016] SW25 Le? 09 03 08.28 -04 32 52.4           ~ 2 0
30 [MVM2016] SW49 Le? 09 03 19.45 -04 01 47.0           ~ 2 0
31 GAMA J090333.27-005829.7 G 09 03 33.29 -00 58 29.6           ~ 5 0
32 [MVM2016] SW51 Le? 13 57 24.8700959856 +56 16 14.328367860           ~ 2 0
33 [MVM2016] SW26 Le? 13 57 55.84 +57 17 23.0           ~ 2 0
34 [MVM2016] SW52 Le? 14 00 27.93 +54 10 28.4           ~ 2 0
35 [MVM2016] SW16 Le? 14 00 30.2150700864 +57 44 37.375180836           ~ 2 0
36 [MVM2016] SW2 Le? 14 05 22.23 +57 43 33.1           ~ 2 0
37 [MVM2016] SW17 Le? 14 06 22.99 +52 09 42.1           ~ 3 0
38 [MVM2016] SW27 Le? 14 14 32.92 +53 40 04.4           ~ 2 0
39 [MVM2016] SW53 Le? 14 15 18.9650262456 +51 39 15.060327840           ~ 2 0
40 [MVM2016] SW3 Le? 14 26 03.30 +51 14 21.7           ~ 2 0
41 [MVM2016] SW54 Le? 14 26 20.88 +56 13 56.3           ~ 3 0
42 [MVM2016] SW55 Le? 14 26 52.81 +56 00 01.6           ~ 3 0
43 [MVM2016] SW56 Le? 14 28 43.57 +54 37 13.3           ~ 2 0
44 SDSS J142934.21+562541.0 BiC 14 29 34.210 +56 25 41.09           ~ 5 0
45 [MVM2016] SW28 Le? 14 30 56.00 +57 24 31.8           ~ 3 0
46 [MVM2016] SW37 Le? 14 31 00.30 +56 46 03.0           ~ 2 0
47 [MVM2016] SW38 Le? 14 33 53.66 +54 23 10.5           ~ 2 0
48 [MVM2016] SW5 Le? 14 34 54.48 +52 28 50.9           ~ 3 0
49 [MVM2016] SW6 Le? 14 36 27.93 +56 38 33.0           ~ 2 0
50 [MVM2016] SW57 Le? 14 36 31.57 +57 11 31.7           ~ 2 0
51 [PCT2016] 219.2150+53.1183 G 14 36 51.6 +53 07 06           ~ 3 0
52 [MVM2016] SW18 Le? 14 36 58.19 +53 38 07.8           ~ 2 0
53 [MVM2016] SW29 Le? 14 38 38.13 +57 26 47.2           ~ 2 0
54 [MVM2016] SW59 Le? 14 39 50.64 +54 46 06.9           ~ 2 0
55 [MVM2016] SW39 Le? 22 02 15.24 +01 21 24.0           ~ 2 0
56 [MVM2016] SW7 GrG 22 02 56.86 +02 34 32.9           ~ 3 0
57 [MVM2016] SW40 Le? 22 13 06.19 +01 47 08.2           ~ 2 0
58 [MVM2016] SW41 Le? 22 15 19.71 +00 57 58.1           ~ 2 0
59 [MVM2016] SW42 Le? 22 17 16.55 +01 58 26.2           ~ 2 0

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