2005A&A...439.1013A


C.D.S. - SIMBAD4 rel 1.7 - 2021.02.24CET20:02:50

2005A&A...439.1013A - Astronomy and Astrophysics, volume 439, 1013-1021 (2005/9-1)

Serendipitous discovery of the unidentified extended TeV γ-ray source HESS J1303-631.

AHARONIAN F., AKHPERJANIAN A.G., AYE K.-M., BAZER-BACHI A.R., BEILICKE M., BENBOW W., BERGE D., BERGHAUS P., BERNLOEHR K., BOISSON C., BOLZ O., BRAUN I., BREITLING F., BROWN A.M., BUSSONS GORDO J., CHADWICK P.M., CHOUNET L.-M., CORNILS R., COSTAMANTE L., DEGRANGE B., DJANNATI-ATAIE A., DRURY L.O'C., DUBUS G., EMMANOULOPOULOS D., ESPIGAT P., FEINSTEIN F., FLEURY P., FONTAINE G., FUCHS Y., FUNK S., GALLANT Y.A., GIEBELS B., GILLESSEN S., GLICENSTEIN J.F., GORET P., HADJICHRISTIDIS C., HAUSER M., HEINZELMANN G., HENRI G., HERMANN G., HINTON J.A., HOFMANN W., HOLLERAN M., HORNS D., DE JAGER O.C., KHELIFI B., KOMIN N., KONOPELKO A., LATHAM I.J., LE GALLOU R., LEMIERE A., LEMOINE-GOUMARD M., LEROY N., LOHSE T., MARTINEAU-HUYNH O., MARCOWITH A., MASTERSON C., McCOMB T.J.L., DE NAUROIS M., NOLAN S.J., NOUTSOS A., ORFORD K.J., OSBORNE J.L., OUCHRIF M., PANTER M., PELLETIER G., PITA S., PUEHLHOFER G., PUNCH M., RAUBENHEIMER B.C., RAUE M., RAUX J., RAYNER S.M., REDONDO I., REIMER A., REIMER O., RIPKEN J., ROB L., ROLLAND L., ROWELL G., SAHAKIAN V., SAUGE L., SCHLENKER S., SCHLICKEISER R., SCHUSTER C., SCHWANKE U., SIEWERT M., SOL H., STEENKAMP R., STEGMANN C., TAVERNET J.-P., TERRIER R., THEORET C.G., TLUCZYKONT M., VAN DER WALT D.J., VASILEIADIS G., VENTER C., VINCENT P., VOELK H.J. and WAGNER S.J.

Abstract (from CDS):

The serendipitous discovery of an unidentified extended TeV γ-ray source close to the galactic plane named HESS J1303-631 at a significance of 21 standard deviations is reported. The observations were performed between February and June 2004 with the HESS stereoscopic system of Cherenkov telescopes in Namibia. HESS J1303-631 was discovered roughly 0.6° north of the binary system PSR B1259-63/SS2883, the target object of the initial observation campaign which was also detected at TeV energies in the same field of view. HESS J1303-631 is extended with a width of an assumed intrinsic Gaussian emission profile of σ=(0.16±0.02)° and the integral flux above 380GeV is compatible with constant emission over the entire observational period of (17±3)% of the Crab Nebula flux. The measured energy spectrum can be described by a power-law dN/dE∼E–Γ with a photon index of Γ=2.44±0.05stat±0.2syst. Up to now, no counterpart at other wavelengths is identified. Various possible TeV production scenarios are discussed.

Abstract Copyright:

Journal keyword(s): gamma rays: observations - Galaxy: disk

CDS comments: Table 1 col(ID), Fig.6: these designations are not used in SIMBAD, but only source names in col(1).

Simbad objects: 27

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Number of rows : 27

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 V* CM Tau Psr 05 34 31.93830 +22 00 52.1758           ~ 4863 1
2 M 1 SNR 05 34 31.94 +22 00 52.2           ~ 5702 4
3 NAME Car Arm PoG 10 00 -60.0           ~ 385 1
4 GAL 303.9-00.1 HII 12 59 56.6 -62 57 22           ~ 2 0
5 PMN J1259-6337 Rad 12 59 59.10 -63 33 37.0           ~ 2 0
6 [GCB88] 32 MoC 13 00 -63.3           ~ 3 0
7 GAL 303.900-00.690 HII 13 00 07.3 -63 33 20           ~ 3 0
8 PMN J1300-6253 Rad 13 00 34.4 -62 53 43           ~ 1 0
9 PSR J1301-6310 Psr 13 01 28.30 -63 10 40.5           ~ 10 1
10 PSR J1301-6305 Psr 13 01 45.76 -63 05 33.9           ~ 102 2
11 Ass Cen OB 1 As* 13 02 -61.4           ~ 104 0
12 2RXP J130200.4-633730 X 13 02 00.4 -63 37 30           ~ 1 0
13 PSR J1302-6313 Psr 13 02 19.2 -63 13 29           ~ 4 1
14 PMN J1302-6257 Rad 13 02 38.9 -62 57 48           ~ 1 0
15 CPD-63 2495 HXB 13 02 47.6541729594 -63 50 08.625922862 10.34 10.72 9.98 10.03   O9.5Ve 687 1
16 PMN J1302-6321 Rad 13 02 56.7 -63 21 20           ~ 2 0
17 2RXP J130257.9-632750 X 13 02 57.9 -63 27 50           ~ 1 0
18 PSR J1303-6305 Psr 13 03 00.02 -63 05 00.8           ~ 6 1
19 2RXP J130337.8-634045 X 13 03 37.8 -63 40 45           ~ 1 0
20 1WGA J1303.8-6319 X 13 03 50.86 -63 19 07.6           ~ 1 0
21 PMN J1303-6339 Rad 13 03 52.6 -63 39 29           ~ 1 0
22 PSR J1305-6256 Psr 13 05 28.0 -62 56 39           ~ 4 0
23 2RXP J130540.5-631839 X 13 05 40.5 -63 18 39           ~ 1 0
24 GRO J1308-61 gam 13 06 21.0 -60 43 12           ~ 27 0
25 2RXP J130622.7-632210 X 13 06 22.7 -63 22 10           ~ 1 0
26 GSH 305+01-24 sh 13 10 -62.0           ~ 9 0
27 TeV J2032+4130 gam 20 32.1 +41 34           ~ 123 0

    Equat.    Gal    SGal    Ecl

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