Open Access
Table A.1
The list of observed sources and the observation parameters for the sample consisting of 29 sources, which are discussed in detail in Section 5.
| 3FHL Name (1) | 4FGL Name (2) | Source Name (3) | R.A. (J2000) (4) | Dec. (J2000) (5) | Telescope/Instrument (6) | Slit (″) (7) | Start Time UTC (8) | Exp. (sec) (9) | Airm. (10) | Seeing (″) (11) |
|---|---|---|---|---|---|---|---|---|---|---|
| 3FHLJ0323.6-0109 | 4FGLJ0323.7-0111 | 1RXS J032342.6-011131† | 03 23 43.6 | −01 11 46.21 | VLT/FORS | 1.3 | 2022-09-23 07:18:38 | 1600 | 1.10 | 0.7 |
| 3FHLJ0338.5+1302 | 4FGLJ0338.5+1302 | RXJ0338.4+1302 | 03 38 29.3 | +13 02 15 | Keck/ESI | 1.0 | 2021-10-15 11:06:53 | 7200 | 1.03 | 1.1 |
| 3FHLJ0525.6-6013 | 4FGLJ0525.6-6013 | SUMSSJ052542-601341 | 05 25 42.4 | −60 13 40 | SALT/RSS | 2.0 | 2021-10-07 23:55:47 | 2400 | 1.26 | 1.3 |
| 2021-10-08 23:44:56 | 1990 | 1.27 | 1.3 | |||||||
| 3FHLJ0540.5+5823 | 4FGLJ0540.5+5823 | GB6J0540+5823† | 05 40 30.0 | +58 23 40 | Keck/ESI | 1.0 | 2021-10-15 13:30:38 | 5900 | 1.29 | 1.0 |
| 3FHLJ0622.4-2606 | 4FGLJ0622.3-2605 | PMNJ0622-2605 | 06 22 23.7 | −26 06 28 | VLT/FORS | 1.3 | 2022-02-06 03:31:47 | 1730 | 1.10 | 0.7 |
| 3FHLJ0702.6-1950 | 4FGLJ0702.7-1951 | TXS0700-197† | 07 02 42.9 | −19 51 22 | VLT/FORS | 1.3 | 2022-02-06 02:00:23 | 2595 | 1.01 | 0.7 |
| 3FHLJ0804.0-3629 | 4FGLJ0804.0-3629 | NVSSJ080405-362919 | 08 04 05.3 | −36 29 19 | VLT/FORS | 1.3 | 2022-03-10 00:39:07 | 2430 | 1.03 | 1.1 |
| 2022-05-02 00:05:33 | 2430 | 1.18 | 0.8 | |||||||
| 3FHLJ0819.4-0756 | 4FGLJ0819.4-0756 | RXJ0819.2-0756† | 08 19 17.6 | −07 56 26 | VLT/FORS | 1.3 | 2022-02-25 02:10:22 | 5190 | 1.09 | 0.7 |
| 3FHLJ0841.3-3554 | 4FGLJ0841.3-3554 | NVSSJ084121-355506† | 08 41 21.6 | −35 55 05 | VLT/FORS | 1.3 | 2022-03-04 01:01:02 | 2595 | 1.06 | 0.6 |
| 3FHLJ0947.2-2541 | 4FGLJ0947.1-2541 | 1RXSJ094709.2-254056 | 09 47 09.5 | −25 41 00 | SALT/RSS | 2.0 | 2021-04-03 22:19:52 | 2070 | 1.38 | 1.0 |
| 2021-04-11 21:32:21 | 2390 | 1.32 | 1.2 | |||||||
| 2022-02-05 20:23:37 | 2160 | 1.20 | 1.3 | |||||||
| 3FHLJ1055.6-0125 | 4FGLJ1055.5-0125 | NVSSJ105534-012617† | 10 55 34.3 | −01 26 16 | SALT/RSS | 2.0 | 2021-06-04 17:04:09 | 2250 | 1.20 | 1.2 |
| 2021-06-05 17:32:20 | 2250 | 1.25 | 1.0 | |||||||
| 2021-06-11 17:41:43 | 2250 | 1.33 | 1.2 | |||||||
| 3FHLJ1233.7-0145 | 4FGLJ1233.7-0144 | NVSSJ123341-014426† | 12 33 41.3 | −01 44 23 | VLT/FORS | 1.3 | 2022-04-07 04:51:04 | 4050 | 1.17 | 1.9 |
| 3FHLJ1307.6-4259 | 4FGLJ1307.6-4259 | 1RXS J130737.8-425940† | 13 07 38.0 | −42 59 39 | SALT/RSS | 2.0 | 2021-05-30 22:00:31 | 2250 | 1.33 | 0.9 |
| 2021-06-09 21:27:28 | 2250 | 1.32 | 1.2 | |||||||
| 3FHLJ1323.0+2941 | 4FGLJ1323.0+2941 | 4C+29.48† | 13 23 02.4 | +29 41 34 | Keck/ESI | 1.0 | 2022-06-04 06:05:18 | 7200 | 1.01 | 0.7 |
| 3FHLJ1440.6-3846 | 4FGLJ1440.6-3846 | 1RXSJ144037.4-384658† | 14 40 37.8 | −38 46 55 | VLT/FORS | 1.3 | 2022-03-01 08:55:45 | 1200 | 1.03 | 0.7 |
| 3FHLJ1544.9-6641 | 4FGLJ1545.0-6642 | PMNJ1544-6641 | 15 44 59.0 | −66 41 47 | VLT/FORS | 1.3 | 2022-03-10 09:05:11 | 1220 | 1.35 | 0.5 |
| 3FHLJ1607.9-2039 | 4FGLJ1608.0-203 8 | NVSSJ160756-203942 | 16 07 56.9 | −20 39 42 | VLT/FORS | 1.3 | 2022-03-30 08:36:47 | 2430 | 1.02 | 0.6 |
| 3FHLJ1637.8-3448 | 4FGLJ1637.8-3449 | NVSSJ163750-344915 | 16 37 51.0 | −34 49 15 | SALT/RSS | 2.0 | 2021-06-05 01:09:53 | 2380 | 1.32 | 1.1 |
| 2021-06-12 16:49:51 | 2380 | 1.31 | 1.3 | |||||||
| 3FHLJ1640.1+0629 | 4FGLJ1640.2+0629 | NVSSJ164011+062827 | 16 40 11.0 | +06 28 27 | Keck/ESI | 1.0 | 2022-06-04 08:19:10 | 6300 | 1.09 | 0.7 |
| 3FHLJ1714.0-2028 | 4FGLJ1714.0-2029 | 1RXSJ171405.2-202747 | 17 14 05.4 | −20 27 52 | VLT/FORS | 1.3 | 2022-03-29 08:44:50 | 2430 | 1.01 | 0.6 |
| 2022-04-12 06:54:40 | 2430 | 1.06 | 1.0 | |||||||
| 2022-05-02 06:26:10 | 2430 | 1.01 | 1.2 | |||||||
| 3FHLJ1754.1+3212 | 4FGLJ1754.2+3212 | RXJ1754.1+3212† | 17 54 11.8 | +32 12 23.1 | Keck/ESI | 1.0 | 2022-06-04 10:14:01 | 7200 | 1.03 | 0.9 |
| 3FHLJ1823.6-3454 | 4FGLJ1823.6-3453 | NVSSJ182338-345412† | 18 23 38.6 | −34 54 12 | VLT/FORS | 1.3 | 2022-03-11 09:06:16 | 500 | 1.24 | 0.6 |
| 2023-06-20 05:35:36 | 900 | 1.02 | 1.3 | |||||||
| 3FHLJ1849.2-1647 | 4FGLJ1849.2-1647 | NVSSJ184919-164723† | 18 49 19.6 | −16 47 35 | VLT/FORS | 1.3 | 2022-04-12 07:51:09 | 1620 | 1.14 | 1.1 |
| 2022-05-01 08:52:14 | 2430 | 1.01 | 0.8 | |||||||
| 3FHLJ1925.0+2815 | 4FGLJ1925.0+2815 | NVSS J192502+28154 | 19 25 02.2 | +28 15 42 | Keck/ESI | 1.0 | 2021-10-15 05:06:22 | 6300 | 1.09 | 1.1 |
| 3FHL J1942.7+1033 | 4FGLJ1942.7+1033 | 1RXSJ194246.3+103339† | 19 42 47.5 | +10 33 27 | Keck/ESI | 1.0 | 2022-06-04 12:27:43 | 7200 | 1.02 | 0.9 |
| 3FHLJ1944.4-4523 | 4FGLJ1944.4-4523 | 1RXSJ194422.6-452326 | 19 44 22.4 | −45 23 33 | VLT/FORS | 1.3 | 2022-03-31 09:35:50 | 500 | 1.20 | 0.6 |
| 3FHLJ1944.9-2143 | 4FGLJ1944.9-2143 | NVSSJ194455-214320 | 19 44 55.2 | −21 43 19 | SALT/RSS | 2.0 | 2021-06-05 22:31:14 | 2250 | 1.21 | 1.2 |
| 2021-07-10 20:07:14 | 2250 | 1.23 | 1.3 | |||||||
| 2021-07-12 01:18:3 8 | 2250 | 1.26 | 1.3 | |||||||
| 3FHLJ2247.9+4413 | 4FGLJ2247.8+4413 | NVSSJ224753+441317† | 22 47 53.2 | +44 13 15 | Keck/ESI | 1.0 | 2021-10-15 07:08:44 | 6300 | 1.11 | 0.8 |
| 3FHLJ2304.7+3705 | 4FGLJ2304.6+3704 | 1RXSJ230437.1+370506† | 23 04 36.7 | +37 05 07 | Keck/ESI | 1.0 | 2021-10-15 09:06:21 | 6300 | 1.16 | 0.8 |
Notes. The columns contain: (1) 3FHL Name, (2) 4FGL Name, (3) Source Name, a † indicates the source is in BZCat, (4) Right Ascension (J2000), (5) Declination (J2000), (6) Telescope and Instrument, (7) Slit Width in arcsec, (8) Start Time of the observations, (9) Exposure Time, (10) Average Airmass, and (11) Average Seeing.
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