Table 1.
List of observed sources and parameters of the observations.
| 3FHL name | 4FGL name | Source name | Ext. | RA | Dec | Telescope/ | Slit | Start time | Exp. | Airm. | Seeing |
|---|---|---|---|---|---|---|---|---|---|---|---|
| instrument | (″) | UTC | (s) | (″) | |||||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) |
| 3FHL J0114.9−3359 | 4FGL J0114.9−3400 | 1RXS J011501.3−340008† | N | 01 15 01.6 | −34 00 27 | NTT/EFOSC2 | 1.5 | 2019-06-23 08:45:38 | 5400 | 1.23 | 0.8 |
| 3FHL J0156.7−5302 | 4FGL J0156.9−5301 | 1RXS J015658.6−530208† | N | 01 56 58.0 | −53 01 60 | SALT/RSS | 2.0 | 2019-11-24 23:01:16 | 2250 | 1.33 | 1.2 |
| 3FHL J0156.7−5302 | 4FGL J0156.9−5301 | 1RXS J015658.6−530208† | N | 01 56 58.0 | −53 01 60 | SALT/RSS | 2.0 | 2019-11-26 22:34:09 | 2250 | 1.27 | 1.4 |
| 3FHL J0209.3−5229 | 4FGL J0209.3−5228 | 1RXS J020922.2−522920† | N | 02 09 21.6 | −52 29 23 | SALT/RSS | 2.0 | 2019-12-23 21:15:36 | 2220 | 1.28 | 1.4 |
| 3FHL J1443.9−3908 | 4FGL J1443.9−3908 | PKS 1440−389† | Y | 14 43 57.2 | −39 08 40 | NTT/EFOSC2 | 1.5 | 2019-06-22 23:21:10 | 4500 | 1.10 | 1.1 |
| 3FHL J1457.8−4642 | 4FGL J1457.8−4642 | PMN J1457−4642 | Y | 14 57 41.8 | −46 42 10 | NTT/EFOSC2 | 1.5 | 2019-06-23 23:15:26 | 2700 | 1.18 | 1.6 |
| 3FHL J1511.8−0513 | 4FGL J1511.8−0513 | NVSS J151148−051345 | N | 15 11 48.5 | −05 13 47 | NTT/EFOSC2 | 1.5 | 2019-06-23 02:03:48 | 2700 | 1.10 | 0.9 |
| 3FHL J1520.7−0348 | 4FGL J1520.8−0348 | NVSS J152048−034850† | N | 15 20 48.9 | −03 48 51 | NTT/EFOSC2 | 1.5 | 2019-06-23 03:00:00 | 2700 | 1.15 | 1.0 |
| 3FHL J1532.7−1319 | 4FGL J1532.7−1319 | TXS 1515−273 | Y | 15 17 59.5 | −27 32 51 | NTT/EFOSC2 | 1.5 | 2019-06-23 00:51:57 | 3600 | 1.03 | 0.7 |
| 3FHL J1539.7−1127 | 4FGL J1539.7−1127 | PMN J1539−1128 | N | 15 39 41.2 | −11 28 35 | NTT/EFOSC2 | 1.5 | 2019-06-24 00:19:35 | 5400 | 1.14 | 1.6 |
| 3FHL J1548.4+1456 | 4FGL J1548.3+1456 | WISE J154824.39+145702.8 | Y | 15 48 24.4 | +14 57 03 | Keck/ESI | 1.0 | 2018-05-13 10:34:13 | 3600 | 1.01 | 0.6 |
| 3FHL J1637.8−3448 | 4FGL J1637.8−3449 | NVSS J163750−344915 | N | 16 37 51.0 | −34 49 15 | NTT/EFOSC2 | 1.5 | 2019-06-24 02:01:38 | 2700 | 1.04 | 0.7 |
| 3FHL J1838.8+4802 | 4FGL J1838.8+4802 | GB6 J1838+4802† | Y | 18 38 49.2 | +48 02 34 | Keck/ESI | 1.0 | 2018-05-13 12:28:22 | 3900 | 1.15 | 0.6 |
| 3FHL J1841.3+2909 | 4FGL J1841.3+2909 | MITG J184126+2910 | Y | 18 41 21.7 | +29 09 41 | Keck/ESI | 1.0 | 2018-05-13 11:41:46 | 2400 | 1.11 | 0.5 |
| 3FHL J1842.4−5841 | 4FGL J1842.4−5840 | 1RXS J184230.6−584202 | N | 18 42 29.8 | −58 41 56 | NTT/EFOSC2 | 1.5 | 2019-06-23 04:12:40 | 4500 | 1.17 | 1.0 |
| 3FHL J1958.3−3011 | 4FGL J1958.3−3010 | 1RXS J195815.6−301119† | Y | 19 58 14.9 | −30 11 11 | NTT/EFOSC2 | 1.5 | 2019-06-23 05:38:55 | 1800 | 1.03 | 1.0 |
| 3FHL J2001.2+4353 | 4FGL J2001.2+4353 | MAGIC J2001+435† | Y | 20 01 12.9 | +43 52 53 | Keck/ESI | 1.0 | 2018-05-13 13:38:54 | 3480 | 1.13 | 0.6 |
| 3FHL J2036.9−3328 | 4FGL J2036.9−3329 | 1RXS J203650.9−332817 | N | 20 36 49.5 | −33 28 30 | NTT/EFOSC2 | 1.5 | 2019-06-25 08:07:13 | 3600 | 1.04 | 0.8 |
| 3FHL J2131.0−2746 | 4FGL J2131.0−2746 | RBS 1751† | N | 21 31 03.3 | −27 46 58 | NTT/EFOSC2 | 1.5 | 2019-06-25 09:26:18 | 3600 | 1.07 | 1.5 |
| 3FHL J2324.7−4040 | 4FGL J2324.7−4041 | 1ES 2322−409† | N | 23 24 44.7 | −40 40 49 | NTT/EFOSC2 | 1.5 | 2019-06-23 06:18:39 | 7200 | 1.31 | 0.8 |
Notes. All sources were observed once with the exception of 1RXS J015658.6−530208, which was observed twice. The NTT/EFOSC2 spectra were all taken with Gr 6, except for NVSS J151148−051345 (Gr 14) and NVSS J152048−034850 (Gr 8). The sources with a † symbol are listed in the BZCAT catalogue (Massaro et al. 2015c). The columns are (1) 3FHL name, (2) 4FGL name, (3) Source name, (4) Extension flag, (5) Right ascension (J2000), (6) Declination (J2000), (7) Telescope and instrument, (8) Slit width in arcsec, (9) Start time of the observations, (10) Exposure time, (11) Average airmass, and (12) Average seeing.
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