Table 1: Observational details.
X-ray position X-ray Offset X-ray Obs. Optical/HST Obs.

Name ⁽¹⁾ $\rm {\alpha}~^{(2)}$ $\rm {\delta}~^{(3)}$ Radii ⁽⁴⁾ 2MASS ⁽⁵⁾ Obs.ID ⁽⁶⁾ Expt. ⁽⁷⁾ Filter ⁽⁸⁾ Prop. ID ⁽⁹⁾ Expt. ⁽¹⁰⁾

(2000) (2000) (arcsec) (arcsec) (ks) (s)

NGC 0315.......... 00 57 48.9 +30 21 08.7 1.968 0.81 4156 52.3 F814W 6673 460

ARP 318A.......... 02 09 38.5 -10 08 45.4 4.920 1.26 923 12.5 ... ... ...

ARP 318B.......... 02 09 42.7 -10 11 02.2 2.952 0.54 923 12.5 ... ... ...

NGC 1052.......... 02 41 04.8 -08 15 20.6 1.476 0.57 385 10.9 F555W 3639 1000

NGC 2681.......... 08 53 32.8 +51 18 48.8 2.460 0.83 2060 78.3 F555W 4854 1000

UGC 05101.......... 09 35 51.7 +61 21 11.1 2.952 0.61 2033 48.2 F814W 6346 800

NGC 3226.......... 10 23 27.0 +19 53 54.6 1.476 0.26 860 46.3 F702W 6357 1000

NGC 3245.......... 10 27 18.3 +28 30 27.2 1.968 0.59 2926 9.6 F702W 7403 140

NGC 3379.......... 10 47 49.6 +12 34 53.7 1.968 0.20 1587 31.3 F814W 5512 1340

NGC 3507.......... 11 03 25.3 +18 08 07.3 2.460 1.27 3149 38.0 F606W 5446 160

NGC 3607.......... 11 16 54.6 +18 03 04.4 2.952 2.22 2073 38.4 F814W 5999 320

NGC 3608.......... 11 16 58.9 +18 08 53.7 1.968 1.53 2073 38.4 F814W 5454 460

NGC 3628.......... 11 20 16.9 +13 35 22.8 2.952 1.60 2039 54.8 ... ... ...

NGC 3690B.......... 11 28 30.9 +58 33 40.5 3.198 2.64 1641 24.3 F814W 8602 700

NGC 4111.......... 12 07 03.1 +43 03 57.3 2.952 1.95 1578 14.8 F702W 6785 600

NGC 4125.......... 12 08 06.0 +65 10 27.6 2.460 0.81 2071 61.9 F814W 6587 2100

NGC 4261.......... 12 19 23.2 +05 49 30.4 3.444 1.49 834 31.3 F702W 5476 280

NGC 4314.......... 12 22 32.1 +29 53 44.8 5.904 2.71 2062 14.5 F814W 6265 600

NGC 4374.......... 12 25 03.7 +12 53 13.2 1.476 0.90 803 28.2 F814W 6094 520

NGC 4395.......... 12 25 48.9 +33 32 48.4 1.476 0.78 5301 26.3 F814W 6464 2160

NGC 4410A.......... 12 26 28.2 +09 01 10.8 1.968 1.00 2982 34.8 F606W 5479 500

NGC 4438.......... 12 27 45.6 +13 00 33.0 2.952 2.26 2883 24.6 F814W 6791 1050

NGC 4457.......... 12 28 59.0 +03 34 14.3 2.952 0.45 3150 35.6 ... ... ...

NGC 4459.......... 12 29 00.0 +13 58 41.7 1.968 1.17 2927 9.8 F814W 5999 320

NGC 4486.......... 12 30 49.4 +12 23 28.3 2.460 0.35 2707 98.7 F814W 6775 1480

NGC 4494.......... 12 31 24.1 +25 46 29.8 1.968 0.94 2079 15.8 F814W 6554 1800

NGC 4552.......... 12 35 39.8 +12 33 23.3 2.460 1.91 2072 54.3 F814W 6099 1500

NGC 4579.......... 12 37 43.5 +11 49 05.5 1.968 1.53 807 30.6 F791W 6436 600

NGC 4594.......... 12 39 59.4 -11 37 23.0 1.476 0.71 1586 18.5 F814W 5512 1470

NGC 4596.......... 12 39 56.0 +10 10 35.3 3.690 1.61 2928 9.2 F606W 5446 160

NGC 4636.......... 12 42 49.8 +02 41 15.9 2.214 ... 4415 74.1 F814W 8686 400

NGC 4676A.......... 13 30 03.3 +47 12 41.4 3.936 1.31 2043 27.9 F814W 8669 320

NGC 4676B.......... 13 30 04.6 +47 12 08.9 3.936 ... 2043 27.9 F814W 8669 320

NGC 4696.......... 12 48 48.8 -41 18 43.3 3.936 7.51 1560 47.7 F814W 8683 1000

NGC 4698.......... 12 48 22.9 +08 29 14.6 2.214 0.71 3008 29.4 F814W 9042 460

NGC 4736.......... 12 50 53.1 +41 07 13.2 1.476 0.82 808 46.4 F814W 9042 460

NGC 5055.......... 13 15 49.2 +42 01 45.9 1.476 1.33 2197 27.7 F814W 9042 460

NGC 5194.......... 13 29 52.8 +47 11 40.4 3.444 2.87 3932 45.2 ... ... ...

MRK 0266NE.......... 13 38 17.9 +48 16 41.1 1.968 0.84 2044 17.4 F606W 5479 500

UGC 08696.......... 13 44 42.1 +55 53 13.1 1.968 0.66 809 40.4 F814W 8645 800

CGCG 162-010.......... 13 48 52.5 +26 35 36.3 3.936 1.59 493 19.6 F702W 5212 300

NGC 5746.......... 14 44 56.0 +01 57 18.1 1.476 1.06 3929 36.8 F814W 9046 800

NGC 5846.......... 15 06 29.2 +01 36 19.6 4.920 1.13 4009 24.0 F814W 5920 2300

NGC 5866.......... 15 06 29.5 +55 45 46.1 4.428 2.22 2879 31.9 ... ... ...

NGC 6251.......... 16 32 31.9 +82 32 15.7 1.968 1.68 847 25.4 F814W 6653 1000

NGC 6240.......... 16 52 58.9 +02 24 02.6 1.680 0.99 1590 36.7 F814W 6430 1200

IRAS 17208-0014.......... 17 23 22.0 +00 17 00.6 2.460 1.04 2035 48.4 F814W 6346 800

NGC 6482.......... 17 51 48.8 +23 04 18.9 2.460 0.46 3218 19.1 ... ... ...

NGC 7130.......... 21 48 19.5 -34 57 05.0 1.968 0.73 2188 36.9 F606W 5479 1900

NGC 7331.......... 22 37 04.0 +34 24 56.0 1.968 1.75 2198 29.5 F814W 7450 170

IC 1459.......... 22 57 10.6 -36 27 43.6 2.952 1.81 2196 51.8 F814W 5454 460

**Table 1:** Observational details.
	X-ray position	X-ray	Offset	X-ray Obs.	Optical/HST Obs.
Name ⁽¹⁾	$\rm {\alpha}~^{(2)}$	$\rm {\delta}~^{(3)}$	Radii ⁽⁴⁾	2MASS ⁽⁵⁾	Obs.ID ⁽⁶⁾	Expt. ⁽⁷⁾	Filter ⁽⁸⁾	Prop. ID ⁽⁹⁾	Expt. ⁽¹⁰⁾
	(2000)	(2000)	(arcsec)	(arcsec)		(ks)			(s)
NGC 0315..........	00 57 48.9	+30 21 08.7	1.968	0.81	4156	52.3	F814W	6673	460
ARP 318A..........	02 09 38.5	-10 08 45.4	4.920	1.26	923	12.5	...	...	...
ARP 318B..........	02 09 42.7	-10 11 02.2	2.952	0.54	923	12.5	...	...	...
NGC 1052..........	02 41 04.8	-08 15 20.6	1.476	0.57	385	10.9	F555W	3639	1000
NGC 2681..........	08 53 32.8	+51 18 48.8	2.460	0.83	2060	78.3	F555W	4854	1000
UGC 05101..........	09 35 51.7	+61 21 11.1	2.952	0.61	2033	48.2	F814W	6346	800
NGC 3226..........	10 23 27.0	+19 53 54.6	1.476	0.26	860	46.3	F702W	6357	1000
NGC 3245..........	10 27 18.3	+28 30 27.2	1.968	0.59	2926	9.6	F702W	7403	140
NGC 3379..........	10 47 49.6	+12 34 53.7	1.968	0.20	1587	31.3	F814W	5512	1340
NGC 3507..........	11 03 25.3	+18 08 07.3	2.460	1.27	3149	38.0	F606W	5446	160
NGC 3607..........	11 16 54.6	+18 03 04.4	2.952	2.22	2073	38.4	F814W	5999	320
NGC 3608..........	11 16 58.9	+18 08 53.7	1.968	1.53	2073	38.4	F814W	5454	460
NGC 3628..........	11 20 16.9	+13 35 22.8	2.952	1.60	2039	54.8	...	...	...
NGC 3690B..........	11 28 30.9	+58 33 40.5	3.198	2.64	1641	24.3	F814W	8602	700
NGC 4111..........	12 07 03.1	+43 03 57.3	2.952	1.95	1578	14.8	F702W	6785	600
NGC 4125..........	12 08 06.0	+65 10 27.6	2.460	0.81	2071	61.9	F814W	6587	2100
NGC 4261..........	12 19 23.2	+05 49 30.4	3.444	1.49	834	31.3	F702W	5476	280
NGC 4314..........	12 22 32.1	+29 53 44.8	5.904	2.71	2062	14.5	F814W	6265	600
NGC 4374..........	12 25 03.7	+12 53 13.2	1.476	0.90	803	28.2	F814W	6094	520
NGC 4395..........	12 25 48.9	+33 32 48.4	1.476	0.78	5301	26.3	F814W	6464	2160
NGC 4410A..........	12 26 28.2	+09 01 10.8	1.968	1.00	2982	34.8	F606W	5479	500
NGC 4438..........	12 27 45.6	+13 00 33.0	2.952	2.26	2883	24.6	F814W	6791	1050
NGC 4457..........	12 28 59.0	+03 34 14.3	2.952	0.45	3150	35.6	...	...	...
NGC 4459..........	12 29 00.0	+13 58 41.7	1.968	1.17	2927	9.8	F814W	5999	320
NGC 4486..........	12 30 49.4	+12 23 28.3	2.460	0.35	2707	98.7	F814W	6775	1480
NGC 4494..........	12 31 24.1	+25 46 29.8	1.968	0.94	2079	15.8	F814W	6554	1800
NGC 4552..........	12 35 39.8	+12 33 23.3	2.460	1.91	2072	54.3	F814W	6099	1500
NGC 4579..........	12 37 43.5	+11 49 05.5	1.968	1.53	807	30.6	F791W	6436	600
NGC 4594..........	12 39 59.4	-11 37 23.0	1.476	0.71	1586	18.5	F814W	5512	1470
NGC 4596..........	12 39 56.0	+10 10 35.3	3.690	1.61	2928	9.2	F606W	5446	160
NGC 4636..........	12 42 49.8	+02 41 15.9	2.214	...	4415	74.1	F814W	8686	400
NGC 4676A..........	13 30 03.3	+47 12 41.4	3.936	1.31	2043	27.9	F814W	8669	320
NGC 4676B..........	13 30 04.6	+47 12 08.9	3.936	...	2043	27.9	F814W	8669	320
NGC 4696..........	12 48 48.8	-41 18 43.3	3.936	7.51	1560	47.7	F814W	8683	1000
NGC 4698..........	12 48 22.9	+08 29 14.6	2.214	0.71	3008	29.4	F814W	9042	460
NGC 4736..........	12 50 53.1	+41 07 13.2	1.476	0.82	808	46.4	F814W	9042	460
NGC 5055..........	13 15 49.2	+42 01 45.9	1.476	1.33	2197	27.7	F814W	9042	460
NGC 5194..........	13 29 52.8	+47 11 40.4	3.444	2.87	3932	45.2	...	...	...
MRK 0266NE..........	13 38 17.9	+48 16 41.1	1.968	0.84	2044	17.4	F606W	5479	500
UGC 08696..........	13 44 42.1	+55 53 13.1	1.968	0.66	809	40.4	F814W	8645	800
CGCG 162-010..........	13 48 52.5	+26 35 36.3	3.936	1.59	493	19.6	F702W	5212	300
NGC 5746..........	14 44 56.0	+01 57 18.1	1.476	1.06	3929	36.8	F814W	9046	800
NGC 5846..........	15 06 29.2	+01 36 19.6	4.920	1.13	4009	24.0	F814W	5920	2300
NGC 5866..........	15 06 29.5	+55 45 46.1	4.428	2.22	2879	31.9	...	...	...
NGC 6251..........	16 32 31.9	+82 32 15.7	1.968	1.68	847	25.4	F814W	6653	1000
NGC 6240..........	16 52 58.9	+02 24 02.6	1.680	0.99	1590	36.7	F814W	6430	1200
IRAS 17208-0014..........	17 23 22.0	+00 17 00.6	2.460	1.04	2035	48.4	F814W	6346	800
NGC 6482..........	17 51 48.8	+23 04 18.9	2.460	0.46	3218	19.1	...	...	...
NGC 7130..........	21 48 19.5	-34 57 05.0	1.968	0.73	2188	36.9	F606W	5479	1900
NGC 7331..........	22 37 04.0	+34 24 56.0	1.968	1.75	2198	29.5	F814W	7450	170
IC 1459..........	22 57 10.6	-36 27 43.6	2.952	1.81	2196	51.8	F814W	5454	460

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