2007A&A...472..489A

Query : 2007A&A...472..489A

2007A&A...472..489A - Astronomy and Astrophysics, volume 472489-495 (2007/9-3)

Discovery of two candidate pulsar wind nebulae in very-high-energy gamma rays.

AHARONIAN F., AKHPERJANIAN A.G., BAZER-BACHI A.R., BEHERA B., BEILICKE M., BENBOW W., BERGE D., BERNLOEHR K., BOISSON C., BOLZ O., BORREL V., BRAUN I., BRION E., BROWN A.M., BUEHLER R., BUESCHING I., BOUTELIER T., CARRIGAN S., CHADWICK P.M., CHOUNET L.-M., COIGNET G., CORNILS R., COSTAMANTE L., DEGRANGE B., DICKINSON H.J., DJANNATI-ATAIE A., DOMAINKO W., DRURY L.O'C., DUBUS G., EGBERTS K., EMMANOULOPOULOS D., ESPIGAT P., FARNIER C., FEINSTEIN F., FIASSON A., FOERSTER A., FONTAINE G., FUNK SEB., 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., KENDZIORRA E., KERSCHHAGGL M., KHELIFI B., KOMIN N., KOSACK K., LAMANNA G., LATHAM I.J., LE GALLOU R., LEMIERE A., LEMOINE-GOUMARD M., LOHSE T., MARTIN J.M., MARTINEAU-HUYNH O., MARCOWITH A., MASTERSON C., MAURIN G., McCOMB T.J.L., MOULIN E., DE NAUROIS M., NEDBAL D., NOLAN S.J., NOUTSOS A., OLIVE J.-P., ORFORD K.J., OSBORNE J.L., 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., RIPKEN J., ROB L., ROLLAND L., ROSIER-LEES S., ROWELL G., RUPPEL J., SAHAKIAN V., SANTANGELO A., SAUGE L., SCHLENKER S., SCHLICKEISER R., SCHROEDER R., SCHWANKE U., SCHWARZBURG S., SCHWEMMER S., SHALCHI A., SOL H., SPANGLER D., STEENKAMP R., STEGMANN C., SUPERINA G., TAM P.H., TAVERNET J.-P., TERRIER R., TLUCZYKONT M., VAN ELDIK C., VASILEIADIS G., VENTER C., VIALLE J.P., VINCENT P., VOELK H.J., WAGNER S.J. and WARD M.

Abstract (from CDS):

We present the discovery of two very-high-energy γ-ray sources in an ongoing systematic search for emission above 100GeV from pulsar wind nebulae in survey data from the HESS telescope array. Imaging Atmospheric Cherenkov Telescopes are ideal tools for searching for extended emission from pulsar wind nebulae in the very-high-energy regime. HESS, with its large field of view of 5° and high sensitivity, gives new prospects for the search for these objects.An ongoing systematic search for very-high-energy emission from energetic pulsars over the region of the Galactic plane between -60°<l<30°, -2°<b<2° is performed. For the resulting candidates, the standard HESS analysis was applied and a search for multi-wavelength counterparts was performed. We present the discovery of two new candidate γ-ray pulsar wind nebulae, HESS J1718-385 and HESS J1809-193.HESS has proven to be a suitable instrument for pulsar wind nebula searches.

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Journal keyword(s): gamma rays: observations - ISM: individual objects: HESS J1718 - ISM: individual objects: HESS J1809

Simbad objects: 21

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Number of rows : 21
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 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
2 NAME Vela X Psr 08 33 08.880 -45 11 24.36           ~ 302 1
3 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2446 1
4 NAME Kookaburra reg 14 19 -60.9           ~ 56 1
5 SNR G347.3-00.5 SNR 17 12 27 -39 41.2     12.27     ~ 761 1
6 PMN J1717-3846 Rad 17 17.0 -38 46           ~ 1 0
7 HESS J1718-385 gam 17 18 07 -38 33.0           ~ 32 0
8 PSR J1718-3825 Psr 17 18 13.558 -38 25 17.83           ~ 108 0
9 SNR G010.5-00.0 Rad 18 09.1 -19 47           ~ 20 1
10 PSR J1809-1917 Psr 18 09 43.147 -19 17 38.10           ~ 128 1
11 SNR G011.1+00.1 SNR 18 09.8 -19 12           ~ 32 0
12 SNR G011.0+00.0 SNR 18 10.1 -19 25           ~ 43 1
13 HESS J1809-193 gam 18 10 31 -19 18.0           ~ 70 1
14 SNR G011.4-00.1 SNR 18 10.8 -19 05           ~ 59 0
15 SNR G011.2-00.3 SNR 18 11 28.9 -19 25 29           ~ 305 1
16 PSR J1811-1926 Psr 18 11 29.15 -19 25 25.4           ~ 136 1
17 CORNISH G011.9446-00.0369 Y*O 18 11 53.21 -18 36 19.1           ~ 67 4
18 SNR G011.8-00.2 SNR 18 12.4 -18 44           ~ 25 0
19 SNR G011.1-00.7 SNR 18 12.8 -19 38           ~ 19 0
20 PSR B1823-13 Psr 18 26 13.06 -13 34 48.1           ~ 460 1
21 MAGPIS SNR? G10.8750+0.0875 SR? ~ ~           ~ 3 0

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