2007A&A...466..543A

Query : 2007A&A...466..543A

2007A&A...466..543A - Astronomy and Astrophysics, volume 466, 543-554 (2007/5-1)

Search for pulsed VHE gamma-ray emission from young pulsars with HESS.

AHARONIAN F., AKHPERJANIAN A.G., BAZER-BACHI A.R., 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., DRURY L.O'C., DUBUS G., EGBERTS K., EIFERT T., EMMANOULOPOULOS D., ESPIGAT P., FARNIER C., FEINSTEIN F., FERRERO E., FIASSON 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., MANCHESTER R.N., 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., PELLETIER G., PETRUCCI P.-O., PITA S., PUEHLHOFER G., PUNCH M., RANCHON S., RAUBENHEIMER B.C., RAUE M., RAYNER S.M., REIMER O., RIPKEN J., ROB L., ROLLAND L., ROSIER-LEES S., ROWELL G., SAHAKIAN V., SANTANGELO A., SAUGE L., SCHLENKER S., SCHLICKEISER R., SCHMIDT F., SCHROEDER R., SCHWANKE U., SCHWARZBURG S., SCHWEMMER S., SHALCHI A., SOL H., SPANGLER D., SPANIER F., 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 results of a search for pulsed very-high-energy (VHE) γ-ray emission from young pulsars using data taken with the HESS imaging atmospheric Cherenkov telescope system. Data on eleven pulsars, selected according to their spin-down luminosity relative to distance, are searched for γ-ray signals with periodicity at the respective pulsar spin period. Special analysis efforts were made to improve the sensitivity in the 100GeV γ-ray energy domain in an attempt to reduce the gap between satellite and ground-based γ-ray instruments. No significant evidence for pulsed emission is found in any data set. Differential upper limits on pulsed energy flux are determined for all selected pulsars in the approximate γ-ray energy range between 100GeV and 50TeV, using different limit determination methods, testing a wide range of possible pulsar light curves and energy spectra. The limits derived here imply that the magnetospheric VHE γ-ray production efficiency in young pulsars is less than 10–4 of the pulsar spin-down luminosity, requiring spectral turnovers for the high-energy emission of four established γ-ray pulsars, and constrain the inverse Compton radiation component predicted by several outer gap models.

Abstract Copyright: ∼

Journal keyword(s): gamma rays: observations - pulsars: individual: Crab pulsar - pulsars: individual: Vela pulsar - pulsars: individual: PSR B1259-63 - pulsars: individual: PSR B1509-58 - pulsars: individual: PSR B1706-44

CDS comments: Table 5, Paragraph 4.2 HESS J0835-456 is HESS J0835-455 and HESS J1303-638 is HESS J1303-631 in Simbad.

Simbad objects: 18

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Number of rows : 18
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 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5258 0
2 NAME Vela X Psr 08 33 08.880 -45 11 24.36           ~ 281 1
3 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2315 1
4 CPD-63 2495 HXB 13 02 47.6544015048 -63 50 08.626970292 10.34 10.72 9.98 10.03   O9.5Ve 790 0
5 PSR J1301-6305 Psr 13 02 47.9992676 -63 10 48.001099           ~ 124 2
6 PSR J1418-6058 Psr 14 18 42.725 -60 58 01.89           ~ 120 0
7 NAME Kookaburra reg 14 19 -60.9           ~ 53 1
8 PSR J1420-6048 Psr 14 20 08.190 -60 48 14.85           ~ 196 0
9 3A 1510-590 Psr 15 13 17.000 -59 04 54.00           ~ 403 3
10 PSR B1509-58 Psr 15 13 55.52 -59 08 08.8     13.06     ~ 844 1
11 PSR J1524-5625 Psr 15 24 49.820 -56 25 24.07           ~ 31 0
12 PSR B1706-44 Psr 17 09 42.7460 -44 29 07.200     13.30     ~ 640 1
13 2CG 359+00 BL? 17 45 11 -30 11.9           ~ 99 0
14 PSR J1747-2958 Psr 17 47 15.869 -29 58 00.93           ~ 131 1
15 PSR B1757-24 Psr 18 01 00.016 -24 51 27.50           ~ 244 1
16 SNR G011.2-00.3 SNR 18 11 28.9 -19 25 29           ~ 286 1
17 PSR J1811-1926 Psr 18 11 29.15 -19 25 25.4           ~ 126 1
18 PSR B1823-13 Psr 18 26 13.06 -13 34 48.1           ~ 419 1

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