2008A&A...477..353A

Query : 2008A&A...477..353A

2008A&A...477..353A - Astronomy and Astrophysics, volume 477, 353-363 (2008/1-1)

HESS very-high-energy gamma-ray sources without identified counterparts.

AHARONIAN F., AKHPERJANIAN A.G., BARRES DE ALMEIDA U., BAZER-BACHI A.R., BEHERA B., BEILICKE M., BENBOW W., BERNLOEHR K., BOISSON C., BOLZ O., BORREL V., BRAUN I., BRION E., BROWN A.M., BUEHLER R., BULIK T., BUESCHING I., BOUTELIER T., CARRIGAN S., CHADWICK P.M., CHOUNET L.-M., CLAPSON A.C., COIGNET G., CORNILS R., COSTAMANTE L., DALTON M., DEGRANGE B., DICKINSON H.J., DJANNATI-ATAIE A., DOMAINKO W., DRURY L.O'C., DUBOIS F., DUBUS G., DYKS J., EGBERTS K., EMMANOULOPOULOS D., ESPIGAT P., FARNIER C., FEINSTEIN F., FIASSON A., FOERSTER A., FONTAINE G., FUNK S., FUESSLING M., GALLANT Y.A., GIEBELS B., GLICENSTEIN J.F., GLUECK B., GORET P., HADJICHRISTIDIS C., HAUSER D., HAUSER M., HEINZELMANN G., HENRI G., HERMANN G., HINTON J.A., HOFFMANN A., HOFMANN W., HOLLERAN M., HOPPE S., HORNS D., JACHOLKOWSKA A., DE JAGER O.C., JUNG I., KATARZYNSKI K., KENDZIORRA E., KERSCHHAGGL M., KHELIFI B., KEOGH D., KOMIN N., KOSACK K., LAMANNA G., LATHAM I.J., LEMIERE A., LEMOINE-GOUMARD M., LENAIN J.-P., LOHSE T., MARTIN J.M., MARTINEAU-HUYNH O., MARCOWITH A., MASTERSON C., MAURIN D., MAURIN G., McCOMB T.J.L., MODERSKI R., MOULIN E., DE NAUROIS M., NEDBAL D., NOLAN S.J., OHM S., OLIVE J.-P., DE ONA WILHELMI E., ORFORD K.J., OSBORNE J.L., OSTROWSKI M., PANTER M., PEDALETTI G., PELLETIER G., PETRUCCI P.-O., PITA S., PUEHLHOFER G., PUNCH M., RANCHON S., RAUBENHEIMER B.C., RAUE M., RAYNER S.M., RENAUD M., RIPKEN J., ROB L., ROLLAND L., ROSIER-LEES S., ROWELL G., RUDAK B., RUPPEL J., SAHAKIAN V., SANTANGELO A., SCHLICKEISER R., SCHOECK F., SCHROEDER R., SCHWANKE U., SCHWARZBURG S., SCHWEMMER S., SHALCHI A., SOL H., SPANGLER D., STAWARZ L., STEENKAMP R., STEGMANN C., SUPERINA G., TAM P.H., TAVERNET J.-P., TERRIER R., VAN ELDIK C., VASILEIADIS G., VENTER C., VIALLE J.P., VINCENT P., VIVIER M., VOELK H.J., VOLPE F., WAGNER S.J., WARD M., ZDZIARSKI A.A. and ZECH A.

Abstract (from CDS):

The detection of gamma rays in the very-high-energy (VHE) energy range (100 GeV-100TeV) provides a direct view of the parent population of ultra-relativistic particles found in astrophysical sources. For this reason, VHE gamma rays are useful for understanding the underlying astrophysical processes in non-thermal sources. We investigate unidentified VHE gamma-ray sources that have been discovered with HESS in the most sensitive blind survey of the Galactic plane at VHE energies conducted so far.The HESS array of imaging atmospheric Cherenkov telescopes (IACTs) has a high sensitivity compared with previous instruments (∼0.01Crab in 25h observation time for a 5σ point-source detection), and with its large field of view, is well suited for scan-based observations. The on-going HESS survey of the inner Galaxy has revealed a large number of new VHE sources, and for each we attempt to associate the VHE emission with multi-wavelength data in the radio through X-ray wavebands. For each of the eight unidentified VHE sources considered here, we present the energy spectra and sky maps of the sources and their environment. The VHE morphology is compared with available multi-wavelength data (mainly radio and X-rays). No plausible counterparts are found.

Abstract Copyright: ∼

Journal keyword(s): gamma rays: observations - Galaxy: general - cosmic rays - surveys

Simbad objects: 46

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Number of rows : 46
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 CPD-63 2495 HXB 13 02 47.6544015048 -63 50 08.626970292 10.34 10.72 9.98 10.03   O9.5Ve 789 0
2 PSR J1301-6305 Psr 13 02 47.9992676 -63 10 48.001099           ~ 124 2
3 AX J1418.7-6058 X 14 18 38.6 -60 57 49           ~ 52 0
4 NAME Kookaburra reg 14 19 -60.9           ~ 53 1
5 HESS J1427-608 gam 14 27 52.0 -60 51 00           ~ 22 1
6 IGR J14331-6112 HXB 14 33 08.3328693032 -61 15 39.801808625         16.683 BIII/Ve 27 0
7 PSR J1615-5137 Psr 16 15 12.62 -51 34 53.3           ~ 60 0
8 1RXS J162504.0-490918 X 16 25 04.0 -49 09 18           ~ 2 0
9 HESS J1626-490 gam 16 26 04.0 -49 05 13           ~ 15 0
10 4FGL J1628.2-4848c SNR 16 27 45.000 -48 47 00.00           ~ 44 0
11 4U 1624-49 LXB 16 28 05.5318788600 -49 12 40.011095160           ~ 228 0
12 IGR J16283-4838 HXB 16 28 10.83216 -48 38 56.0904           OBsg 35 0
13 IGR J16320-4751 HXB 16 32 01.76 -47 52 29.0           BN0.5Ia 174 0
14 HESS J1634-472 gam 16 34 51.11927 -47 14 01.9360           ~ 28 0
15 HESS J1702-420 gam 17 02 44.0 -42 00 57           ~ 42 0
16 PSR J1702-4128 Psr 17 02 52.52 -41 28 48.2           ~ 65 0
17 SNR G344.7-00.1 SNR 17 03 49 -41 42.5           ~ 86 0
18 SNR G345.7-00.2 Rad 17 07.3 -40 53           ~ 21 1
19 HESS J1708-410 gam 17 08 24.0 -41 05 24           ~ 19 0
20 1RXS J171011.5-405356 X 17 10 11.5 -40 53 56           ~ 3 0
21 4U 1708-40 LXB 17 12 23.83 -40 50 34.0           ~ 65 0
22 1FGL J1711.7-3944c BL? 17 12 27 -39 41.2     12.27     ~ 723 1
23 V* V1017 Sco RS* 17 30 30.6576913272 -34 32 20.579090244   9.14 7.985   6.734 A2V 28 0
24 SNR G353.6-00.7 SNR 17 31 55.0 -34 42 36           ~ 143 0
25 NAME Slow Burster LXB 17 31 57.73 -33 50 02.5     15.50     ~ 823 1
26 IGR J17326-3445 X 17 32 41 -34 45.2           ~ 3 0
27 2CG 359+00 BL? 17 45 11 -30 11.9           ~ 98 0
28 V* V479 Sct HXB 18 26 15.0561548880 -14 50 54.247274304 12.02 12.23 11.27 11.04   ON6V((f))z 570 2
29 PSR B1835-06.1 Psr 18 37 43.55 -06 04 49.0           ~ 66 0
30 PSR J1838-0655 Psr 18 38 03.13 -06 55 33.4           ~ 99 1
31 PSR J1838-0549 Psr 18 38 38.1 -05 49 12           ~ 30 0
32 SNR G026.6-00.1 SR? 18 40 -05.7           ~ 17 0
33 IGR J18406-0539 Em* 18 40 47.0 -05 40 51     10.8     ~ 14 2
34 ARGO J1839-0627 Psr 18 40 55.0 -05 33 00           ~ 59 1
35 IGR J18410-0535 HXB 18 41 00.4353543192 -05 35 46.474692324   15.91   13.645 11.631 B1Ib 136 0
36 4C -04.71 Rad 18 41 19.8 -04 56 06           ~ 326 3
37 1RXS J184135.3-055032 HXB 18 41.7 -05 54           ~ 10 0
38 PSR J1841-0524 Psr 18 41 49.3553989200 -05 24 30.551758848           ~ 37 0
39 TYC 453-327-1 SB* 18 56 09.5638891248 +02 17 43.770440436   10.72 9.95 9.798   ~ 5 0
40 4FGL J1857.7+0246e Psr 18 57 11.0 +02 40 00           ~ 51 0
41 PSR J1857+0143 Psr 18 58 15.46 +01 36 55.4           ~ 37 0
42 HESS J1858+020 gam 18 58 20.0 +02 05 24           ~ 41 0
43 XTE J1858+034 HXB 18 58 35.6252850353 +03 26 10.535956648           B?e 81 0
44 SNR G036.6-00.7 Rad 19 00.6 +02 56           ~ 43 1
45 TeV J2032+4130 gam 20 31.7 +41 31           ~ 136 0
46 NAME Scutum Spiral Arm PoG ~ ~           ~ 351 0

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