2024ApJ...975...62S

Query : 2024ApJ...975...62S

2024ApJ...975...62S - Astrophys. J., 975, 62 (2024/November-1)

Witt's Hyperbola Is Both Predicted and Observed to Pass Close to the Lensing Galaxies in Quadruple Quasars.

SCHECHTER P.L. and LUHTARU R.

Abstract (from CDS):

When a rectangular hyperbola is constructed from the image positions of a quadruply lensed quasar, as proposed by Witt, it passes very close to the lensing galaxy. The median measured perpendicular offset between the observed light center of the lens and Witt's hyperbola is 0.″013 for a sample for 39 systems lensed by a relatively isolated galaxy. The family of lens models adopted by Witt predicts that the lens lies on the hyperbola, but its position is not used for its construction. The median offset corresponds to roughly 1% of the Einstein ring radius and suggests that the centers of the lensing potential are close to the light centers of the lens. By putting a restrictive prior on the perpendicular distance to Witt's hyperbola (or on the distance between the galaxy and the potential), one reduces by one the dimensionality of a model space when fitting data. Taking the brightest pixel of a lensing galaxy as its center avoids a shortcoming of using the average light center for a constraint.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Strong gravitational lensing - Quasars

Status at CDS : Acronym for new objects described in the dictionary of nomenclature and being created in SIMBAD.

Simbad objects: 66

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Number of rows : 66
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 [LAM2018] J0030-1525 LS? 00 30 15.31 -15 25 03.1           ~ 6 0
2 [BNR2017] J014710+463040 C LeQ 01 47 10.0650491280 +46 30 43.713362664           ~ 7 0
3 [BNR2017] J014710+463040 D LeQ 01 47 10.1525723064 +46 30 40.575947400           ~ 7 0
4 [BNR2017] J014710+463040 G G 01 47 10.162 +46 30 41.48           ~ 6 0
5 [BNR2017] J014710+463040 A LeQ 01 47 10.1853190488 +46 30 43.800554412           ~ 7 0
6 NAME Andromeda's Parachute gLS 01 47 10.200 +46 30 40.50           ~ 14 0
7 [BNR2017] J014710+463040 B EB* 01 47 10.2996357888 +46 30 43.408918584           ~ 8 0
8 [DKW2019] 25 gLS 02 48 48.743 +19 13 30.50           ~ 10 0
9 [SAM2018] ATLAS J0259-1635 C LeQ 02 59 42.81 -16 35 42.7           ~ 2 0
10 [SAM2018] ATLAS J0259-1635 gLS 02 59 42.855 -16 35 43.35           ~ 8 0
11 [SAM2018] ATLAS J0259-1635 D LeQ 02 59 42.86 -16 35 43.7           ~ 2 0
12 [SAM2018] ATLAS J0259-1635 source QSO 02 59 42.86520 -16 35 42.9396           ~ 3 0
13 [SAM2018] ATLAS J0259-1635 B LeQ 02 59 42.89 -16 35 42.4           ~ 2 0
14 [SAM2018] ATLAS J0259-1635 A LeQ 02 59 42.91 -16 35 43.3           ~ 2 0
15 [ASK2018] DES J0405-3308 A LeQ 04 05 59.71 -33 08 50.7           ~ 5 0
16 [ASK2018] DES J0405-3308 D LeQ 04 05 59.73 -33 08 51.7           ~ 5 0
17 [ASK2018] DES J0405-3308 G G 04 05 59.76 -33 08 51.2           ~ 3 0
18 [ASK2018] DES J0405-3308 C LeQ 04 05 59.78 -33 08 50.6           ~ 5 0
19 DES J040559.80-330851.4 gLS 04 05 59.80 -33 08 51.4           ~ 18 0
20 [ASK2018] DES J0405-3308 B LeQ 04 05 59.81 -33 08 51.4           ~ 5 0
21 [SBT2019] DES J0420-4037 gLS 04 20 46.766 -40 37 26.69           ~ 8 0
22 [VV2006] J043814.8-122314 QSO 04 38 14.88 -12 17 14.6     17.15     ~ 245 2
23 [DKW2019] 8 LS? 05 30 36.995 -37 30 11.04           ~ 5 0
24 [SDK2021] GraL J065904.1+162909 gLS 06 59 04.1 +16 29 09           ~ 13 0
25 QSO B0712+472 QSO 07 16 03.64335360 +47 08 50.2272600     23.0     ~ 116 2
26 HS 0810+2554 QSO 08 13 31.2700262826 +25 45 03.076030845   16.58 16.18     ~ 126 0
27 [SDK2021] GraL J081828.3-261325 gLS 08 18 28.3 -26 13 25           ~ 7 0
28 QSO B0908+0603 QSO 09 11 27.6052 +05 50 54.281   18.44 18.16     ~ 248 2
29 [IBB2003] SDSS J0924+0219 gLS 09 24 55.80 +02 19 24.8           ~ 26 0
30 QSO B1115+080A QSO 11 18 16.951 +07 45 58.23   16.61 16.44     ~ 703 2
31 [KDW2018] GRAL J113100-441959 LS? 11 31 00.010 -44 19 59.87           ~ 12 0
32 2MASS J11315154-1231588 Sy1 11 31 51.5387 -12 31 58.716           ~ 304 1
33 [LSS2018] 2M J1134-2103 gLS 11 34 40.535 -21 03 22.40           ~ 9 0
34 [ECM2006] SDSS J1138+0314 gLS 11 38 03.70 +03 14 58.3           ~ 8 0
35 2MASS J12510753+2935405 QSO 12 51 07.54 +29 35 40.6   19.53 19.22     ~ 29 1
36 [RGO99] HST J12531-2914 G 12 53 06.70 -29 14 30.0           ~ 27 0
37 [ROM2016] SDSS J1330+1810 system gLS 13 30 18.64 +18 10 32.1           ~ 9 0
38 ClG J1411+5211 ClG 14 11 24.4 +52 12 38     20.11     ~ 122 3
39 QSO J1415+1129 QSO 14 15 46.25 +11 29 43.4   17.63 17.23     ~ 678 0
40 CFRS 14.1311 G 14 17 35.70 +52 26 45.9   24.04 21.53 21.38 19.971 ~ 63 1
41 [PBW92] 1422+231 gLS 14 24 38.09400 +22 56 00.5900   16.77 15.84 14.79   ~ 359 0
42 [AGJ2018] SDSS J1433+6007 C LeQ 14 33 22.71 +60 07 15.2   20.50 19.92 19.30   ~ 3 0
43 [AGJ2018] SDSS J1433+6007 B LeQ 14 33 22.78440 +60 07 13.4436   20.09 19.63 19.13   ~ 3 0
44 [AGJ2018] SDSS J1433+6007 A LeQ 14 33 22.81 +60 07 17.3   20.26 19.78 19.26   ~ 3 0
45 [AGJ2018] SDSS J1433+6007 system gLS 14 33 22.9 +60 07 15           ~ 10 0
46 [AGJ2018] SDSS J1433+6007 G gLe 14 33 22.96 +60 07 15.3   21.87 20.69 19.39   ~ 3 0
47 [AGJ2018] SDSS J1433+6007 D LeQ 14 33 23.10 +60 07 15.2   22.00 21.30 20.63   ~ 3 0
48 [DKW2019] 11 LS? 15 37 25.332 -30 10 16.99           ~ 12 0
49 [LAM2018] J1606-2333 LS? 16 06 00.18 -23 33 22.0           ~ 23 0
50 [LAM2018] J1721+8842 LS? 17 21 49.01 +88 42 22.4           ~ 18 0
51 [DKW2019] 23 LS? 18 17 30.851 +27 29 40.08           ~ 11 0
52 [VV2006] J202610.4-453627 QSO 20 26 10.45 -45 36 27.1           ~ 54 1
53 [ALK2018] WGD J2038-4008 gLS 20 38 02.707 -40 08 13.59           ~ 23 0
54 [VV2000] J204719.3+264340 QSO 20 47 20.3 +26 44 03     20.60     ~ 112 2
55 [AS2019] WG J210014.9-445206.4 LI? 21 00 14.90 -44 52 06.4           ~ 9 0
56 [LAM2019] J2145+6345 LS? 21 45 05.18 +63 45 41.2           ~ 6 0
57 [SMC2017] WISE J2344-3056 D LeQ 23 44 16.93 -30 56 25.9           ~ 2 0
58 [SMC2017] WISE J2344-3056 C LeQ 23 44 16.95 -30 56 26.6           ~ 2 0
59 [SMC2017] WISE J2344-3056 A LeQ 23 44 17.00 -30 56 26.2           ~ 2 0
60 [SMC2017] WISE J2344-3056 gLS 23 44 17.0 -30 56 26           ~ 8 0
61 [SMC2017] WISE J2344-3056 B LeQ 23 44 17.02 -30 56 25.6           ~ 2 0
62 [KIO2007] J1251+2935 D LeI ~ ~   21.97   21.33 20.51 ~ 3 1
63 [KIO2007] J1251+2935 C LeI ~ ~   22.26   21.48 20.38 ~ 3 1
64 [KIO2007] J1251+2935 A LeI ~ ~   20.67   20.05 19.41 ~ 3 1
65 [KIO2007] J1251+2935 B LeI ~ ~   21.06   20.07 19.72 ~ 3 1
66 [KIO2007] J1251+2935 G G ~ ~       19.32 18.43 ~ 3 1

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