Table 1.
General properties of the sample.
| (1) | (2) | (3) | (4) | (5) | (6) | (7) |
|---|---|---|---|---|---|---|
| Source name | 3FHL Name | RA | Dec | z | ref | CTA Exp. |
| J2000 | J2000 | (hours) | ||||
| GB6 J0045+2127 | J0045.3+2127 | 00 45 19.30 | 21 27 40.10 | 0.4253 | 1 | 2.5 |
| GB6 J0148+5202 | J0148.2+5201 | 01 48 20.25 | 52 02 05.80 | 0.437 | 1 | 42.0 |
| GB6 J0905+1358 | J0905.5+1357 | 09 05 34.99 | 13 58 06.30 | 0.2239, 0.644 ( * ) | 1 | 8.1, 20.5 |
| Ton 396 | J0915.9+2933 | 09 15 52.40 | 29 33 24.04 | 15.5 | ||
| RBS 1040 | J1150.5+4154 | 11 50 34.76 | 41 54 40.09 | 14.8 | ||
| 1RXS J154604.6+081912 | J1546.1+0818 | 15 46 04.30 | 08 19 14.00 | > 0.513 | 2 | 63.6 |
| PG 1553+113 | J1555.7+1111 | 15 55 43.04 | 11 11 24.36 | 0.43 | 3 | 0.1 |
| 1RXS J181118.3+034109 | J1811.3+0341 | 18 11 18.09 | 03 41 13.90 | 11.8 | ||
| NVSS J184425+154646 | J1844.4+1546 | 18 44 25.34 | 15 46 46.00 | 47.7 | ||
| 1RXS J193109.5+093714 | J1931.1+0937 | 19 31 09.23 | 09 37 16.40 | > 0.476 | 4 | 1.8 |
| 1RXS J193320.3+072616 | J1933.3+0726 | 19 33 20.30 | 07 26 16.00 | 5.7 | ||
| 1RXS J194246.3+103339 | J1942.7+1033 | 19 42 47.48 | 10 33 27.80 | 0.9 | ||
| RX J2030.8+1935 | J2031.0+1936 | 20 30 57.13 | 19 36 12.91 | 0.3665 | 5 | 35.0 |
| RX J2156.0+1818 | J2156.0+1818 | 21 56 01.63 | 18 18 39.20 | > 0.6347 | 6 | 31.3 |
| NVSS J224604+154437 | J2245.9+1545 | 22 46 04.99 | 15 44 37.50 | 0.5966 | 5 | 65.1 |
| 1RXS J224753.3+441321 | J2247.9+4413 | 22 47 53.21 | 44 13 15.30 | 23.9 | ||
| 1RXS J230437.1+370506 | J2304.7+3705 | 23 04 36.80 | 37 05 07.00 | 27.5 |
Notes. Columns: (1) source name, (2) source name in 3FHL catalogue, (3) right ascension, (4) declination, (5) assumed redshift, (6) redshift reference, (7) CTA exposure time for the detection of the source at VHE gamma rays using the redshift or lower limit in the table or z = 0.3 if no redshift is available.
( * )See Sect. 6.1 for details about the redshift values.
Redshift references: (1) Paiano et al. (2020), (2) Ahumada et al. (2020) (3) Johnson et al. (2019) (4) Shaw et al. (2013) (5) Kasai et al. (2023) (6) D’Ammando et al. (2024).
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