2025A&A...695A.261H

Query : 2025A&A...695A.261H

2025A&A...695A.261H - Astronomy and Astrophysics, volume 695A261 (2025/3-1)

The H.E.S.S. extragalactic sky survey with the first decade of observations.

HESS COLLABORATION, AHARONIAN F., AIT BENKHALI F., ASCHERSLEBEN J., ASHKAR H., BACKES M., BARBOSA MARTINS V., BATZOFIN R., BECHERINI Y., BERGE D., BERNLOHR K., BOTTCHER M., BOISSON C., BOLMONT J., DE BONY DE LAVERGNE M., BOROWSKA J., BOUYAHIAOUI M., BRADASCIO F., BROSE R., BROWN A., BRUN F., BRUNO B., BULIK T., BURGER-SCHEIDLIN C., BYLUND T., CASANOVA S., CELIC J., CERRUTI M., CHAND T., CHANDRA S., CHEN A., CHIBUEZE J., CHIBUEZE O., COTTER G., CRISTOFARI P., DAMASCENE MBARUBUCYEYE J., DAVIDS I.D., DEVIN J., DJUVSLAND J., DMYTRIIEV A., EGBERTS K., EINECKE S., FEGAN S., FONTAINE G., FUNK S., GABICI S., GLICENSTEIN J.F., GLOMBITZA J., GOSWAMI P., GROLLERON G., HAERER L., HESS B., HINTON J.A., HOFMANN W., HOLCH T.L., HOLLER M., HORNS D., HUANG Z., JAMROZY M., JANKOWSKY F., JARDIN-BLICQ A., KASAI E., KATARZYNSKI K., KHATOON R., KHELIFI B., KOMIN N., KOSACK K., KOSTUNIN D., KUNDU A., LANG R.G., LE STUM S., LEMIERE A., LEMOINE-GOUMARD M., LENAIN J.-P., LEUSCHNER F., LUASHVILI A., MACKEY J., MALYSHEV D., MARANDON V., MARTI-DEVESA G., MARX R., MEHTA A., MITCHELL A., MODERSKI R., MOHRMANN L., MONTANARI A., DE NAUROIS M., NIEMIEC J., O'BRIEN P., OLIVERA-NIETO L., DE ONA WILHELMI E., OSTROWSKI M., PANNY S., PANTER M., PENSEC U., PUHLHOFER G., PUNCH M., QUIRRENBACH A., RAVIKULARAMAN S., REGEARD M., REIMER A., REIMER O., REIS I., REN H., REVILLE B., RIEGER F., ROWELL G., RUDAK B., RUIZ-VELASCO E., SAHAKIAN V., SALZMANN H., SANCHEZ D.A., SANTANGELO A., SASAKI M., SCHAFER J., SCHUSSLER F., SHAPOPI J.N.S., SHARMA A., SOL H., SPENCER S., STAWARZ L., STEENKAMP R., STEINMASSL S., STEPPA C., SUZUKI H., TAKAHASHI T., TANAKA T., TAYLOR A.M., TERRIER R., THAKUR A., TSIROU M., VAN ELDIK C., VECCHI M., VENTER C., VINK J., VOLK H.J., WACH T., WAGNER S.J., WIERZCHOLSKA A., ZACHARIAS M., ZDZIARSKI A.A., ZECH A. and ZYWUCKA N.

Abstract (from CDS):

The results of the first extragalactic gamma-ray survey by the High Energy Stereoscopic System (H.E.S.S.) are presented. The survey comprises 2720 hours of very high-energy gamma-ray observations of the extragalactic sky, recorded with H.E.S.S. from 2004 up to the end of 2012. These data have been re-analysed using a common consistent set of up-to-date data calibration and analysis tools. From this analysis, a list of 23 detected objects, predominantly blazars, was obtained. This catalogue was assessed in terms of the source class populations that it contains. The level of source parameter bias for the blazar sources, probed by this observational dataset, was evaluated using Monte-Carlo simulations. Spectral results obtained with the H.E.S.S. data were compared with the Fermi-LAT catalogues to present the full gamma-ray picture of the detected objects. Lastly, this unique dataset was used to assess the contribution of BL Lacertae objects and flat-spectrum radio quasars to the extragalactic gamma-ray background light at several hundreds of gigaelectronvolts. These results are accompanied by the release of the high-level data to the astrophysical community.

Abstract Copyright: © The Authors 2025

Journal keyword(s): galaxies: active - BL Lacertae objects: general - galaxies: jets - gamma rays: galaxies - gamma rays: general

Simbad objects: 51

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Number of rows : 51
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 2MASX J00135605-1854066 BLL 00 13 56.0426451480 -18 54 06.702770232   17.01   15.82   ~ 86 1
2 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
3 KUV 00311-1938 BLL 00 33 34.3800569400 -19 21 33.134193864       16.6   ~ 125 0
4 PMN J0039-2220 BLL 00 39 08.2102455744 -22 20 01.478410368   16.29       ~ 63 1
5 ACO 85 ClG 00 41 36.21 -09 19 30.4           ~ 974 0
6 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3588 2
7 HE 0052-2511 BLL 00 54 46.7593476432 -24 55 29.219073024 17.06 16.85 16.78     ~ 57 0
8 PMN J0056-0936 BLL 00 56 20.0807666352 -09 36 29.849919480   18.02 17.24 15.10   ~ 79 1
9 PMN J0152+0146 BLL 01 52 39.6109440384 +01 47 17.385104112       11.8   ~ 155 1
10 RX J0232.8+2017 BLL 02 32 48.6148874688 +20 17 17.486717388     18.00 13.96   ~ 387 1
11 HESS J0232+202 gam 02 32 53.2 +20 16 21           ~ 3 1
12 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
13 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
14 PKS J0303-2407 BLL 03 03 26.5025589984 -24 07 11.426291220   16.55 16.18     ~ 249 1
15 NGC 1218 Sy1 03 08 26.22380005 +04 06 39.3007808   12.84       ~ 413 0
16 NGC 1316 rG 03 22 41.789 -37 12 29.52 9.81 9.15 8.53 7.66   ~ 1491 1
17 PMN J0326+0225 BLL 03 26 13.9481827296 +02 25 14.675937708   17.05 16.55 15.3   ~ 255 1
18 QSO B0347-121 BLL 03 49 23.1862105584 -11 59 27.366035532   18.74 18.2 17.46   ~ 245 1
19 PKS J0352-6831 BLL 03 52 57.4833917712 -68 31 17.019422256   13.7   12.3   ~ 81 1
20 PMN J0416+0105 BLL 04 16 52.4945693352 +01 05 23.899102620   16.86 16.38 16   ~ 302 1
21 ACO 496 ClG 04 33 40.8 -13 14 34           ~ 728 2
22 PKS J0449-4350 BLL 04 49 24.6981911928 -43 50 08.960970948 14.95 17.52 15.24 16.27   ~ 190 1
23 PKS J0550-3216 BLL 05 50 40.5705144672 -32 16 16.484718648   16.07 15.5     ~ 424 1
24 ACO 3376 ClG 06 01 25.000 -39 59 51.00           ~ 334 0
25 QSO B0625-354 BLL 06 27 06.7286533392 -35 29 15.363665088   14.93       ~ 206 1
26 MCG-02-24-007 LIN 09 18 05.66848602 -12 05 43.8060823   14.38 14.8     ~ 1077 1
27 6dFGS gJ101016.0-311909 BLL 10 10 15.9790879224 -31 19 08.411407176   17.61   16.09   ~ 97 1
28 PMN J1103-2329 BLL 11 03 37.6150845072 -23 29 31.203773520   17.00 16.55 16.61   ~ 405 1
29 RX J1117.1+2014 BLL 11 17 06.2512673640 +20 14 07.380923028           ~ 159 1
30 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
31 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
32 NGC 4945 Sy2 13 05 27.279 -49 28 04.44   9.31 14.40 7.55   ~ 1582 2
33 RX J1315.0-4236 BLL 13 15 03.3912307368 -42 36 49.760844084   18.07   16.59   ~ 114 0
34 NAME Centaurus A BLL 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4774 3
35 PKS J1443-3908 BLL 14 43 57.1974184800 -39 08 40.053885612       14.7   ~ 105 1
36 NAME Lupus SN SNR 15 02 22.1 -42 05 49           ~ 1407 1
37 QSO J1512-0906 Bla 15 12 50.53293048 -09 05 59.8297908   16.74 16.54     ~ 1409 1
38 ESO 514-1 BLL 15 17 41.8134049824 -24 22 19.482207024   15.13 14.00 13.95   ~ 815 3
39 4FGL J1534.7+2331 gam 15 34 47.4 +23 31 48           ~ 7 0
40 IC 1127 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 3090 4
41 PG 1553+113 BLL 15 55 43.0440048528 +11 11 24.365649948 14.91 14.72 14.57 13.99   ~ 672 1
42 PMN J1917-1921 BLL 19 17 44.8192343976 -19 21 31.608315216       15.24   ~ 135 1
43 PKS J2009-4849 BLL 20 09 25.3903899240 -48 49 53.725051056   15.75 12.81 11.41   ~ 604 1
44 ACO 3667 ClG 20 12 33.68 -56 50 26.3           ~ 676 1
45 PKS J2158-3013 BLL 21 58 52.0652249880 -30 13 32.118447792   13.36 13.09 12.62   ~ 1829 1
46 1RXS J224642.0-520638 Bla 22 46 42.1007015532 -52 06 40.394463736     18.2     ~ 55 1
47 MCG-07-47-031 BLL 23 19 05.8954756632 -42 06 48.297034584   16.60 15.46     ~ 121 0
48 RX J2324.7-4040 BLL 23 24 44.6723616768 -40 40 49.444171248 15.88 15.72 15.54 16.84   ~ 88 1
49 [VV2006] J235021.5-300039 QSO 23 50 21.5357894856 -30 00 38.856405492   19.20       ~ 42 0
50 LEDA 3231681 BLL 23 50 34.3076444448 -30 06 04.457526408   18.738   17.132   ~ 13 1
51 QSO B2356-309 BLL 23 59 07.9034996184 -30 37 40.671098544   18.414 16.44 16.795   ~ 318 2

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