2014ApJ...783...16A

Query : 2014ApJ...783...16A

2014ApJ...783...16A - Astrophys. J., 783, 16 (2014/March-1)

Observations of the unidentified gamma-ray source TeV J2032+4130 by VERITAS.

ALIU E., AUNE T., BEHERA B., BEILICKE M., BENBOW W., BERGER K., BIRD R., BUCKLEY J.H., BUGAEV V., CARDENZANA J.V., CERRUTI M., CHEN X., CIUPIK L., CONNOLLY M.P., CUI W., DUKE C., DUMM J., ERRANDO M., FALCONE A., FEDERICI S., FENG Q., FINLEY J.P., FORTIN P., FORTSON L., FURNISS A., GALANTE N., GILLANDERS G.H., GRIFFIN S., GRIFFITHS S.T., GRUBE J., GYUK G., HANNA D., HOLDER J., HUGHES G., HUMENSKY T.B., KAARET P., KARGALTSEV O., KERTZMAN M., KHASSEN Y., KIEDA D., KRAWCZYNSKI H., LANG M.J., MADHAVAN A.S., MAIER G., MAJUMDAR P., McCANN A., MORIARTY P., MUKHERJEE R., NIETO D., O'FAOLAIN DE BHROITHE A., ONG R.A., OTTE A.N., PANDEL D., PERKINS J.S., POHL M., POPKOW A., PROKOPH H., QUINN J., RAGAN K., RAJOTTE J., REYES L.C., REYNOLDS P.T., RICHARDS G.T., ROACHE E., SEMBROSKI G.H., SKOLE C., STASZAK D., TELEZHINSKY I., THEILING M., TUCCI J.V., TYLER J., VARLOTTA A., VINCENT S., WAKELY S.P., WEEKES T.C., WEINSTEIN A., WELSING R., WILLIAMS D.A. and ZITZER B.

Abstract (from CDS):

TeV J2032+4130 was the first unidentified source discovered at very high energies (VHEs; E > 100 GeV), with no obvious counterpart in any other wavelength. It is also the first extended source to be observed in VHE gamma rays. Following its discovery, intensive observational campaigns have been carried out in all wavelengths in order to understand the nature of the object, which have met with limited success. We report here on a deep observation of TeV J2032+4130 based on 48.2 hr of data taken from 2009 to 2012 by the Very Energetic Radiation Imaging Telescope Array System experiment. The source is detected at 8.7 standard deviations (σ) and is found to be extended and asymmetric with a width of 9.'5±1.'2 along the major axis and 4.'0±0.'5 along the minor axis. The spectrum is well described by a differential power law with an index of 2.10±0.14stat± 0.21sys and a normalization of (9.5±1.6stat± 2.2sys)x10–13.TeV–1/cm2/s at 1 TeV. We interpret these results in the context of multiwavelength scenarios which particularly favor the pulsar wind nebula interpretation.

Abstract Copyright: ∼

Journal keyword(s): gamma rays: general - pulsars: individual: PSR J2032+4127

Simbad objects: 28

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Number of rows : 28
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 PSR J0007+7303 Psr 00 07 00.6000137 +73 03 06.849976           ~ 183 1
2 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
3 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
4 PSR J0537-6910 Psr 05 37 46.66 -69 10 17.1           ~ 309 1
5 PSR B0540-69 Psr 05 40 11.2000490438 -69 19 54.198559829           ~ 976 3
6 PSR J0633+1746 Psr 06 33 54.153 +17 46 12.91           ~ 1308 0
7 PSR J1119-6127 Psr 11 19 14.30 -61 27 49.5           ~ 439 1
8 HESS J1646-458 gam 16 46 00.0 -45 48 00           ~ 14 0
9 Cl Westerlund 1 OpC 16 47 02.4 -45 51 07           ~ 655 1
10 PSR J1648-4611 Psr 16 48 22.02 -46 11 16.0           ~ 73 0
11 PSR B1742-30 Psr 17 45 56.30810 -30 40 23.3000           ~ 182 0
12 NAME AGPS 273.4-17.8 SNR 18 13 35.05 -17 49 58.1           ~ 145 2
13 PSR J1831-0952 Psr 18 31 34.30 -09 52 01.7           ~ 45 0
14 PSR J1846-0258 Psr 18 46 24.75 -02 58 29.6           ~ 388 2
15 PSR J1849-0001 Psr 18 49 01.83 -00 01 19.1           ~ 76 0
16 PSR J1913+1011 Psr 19 13 20.341 +10 11 22.97           ~ 84 0
17 PSR B1929+10 Psr 19 32 14.0570 +10 59 33.380           ~ 801 0
18 NAME gam Cyg SNR SNR 20 20 17.100 +40 26 09.00           ~ 247 2
19 PSR J2021+4026 Psr 20 21 30.496 +40 26 53.56           ~ 300 2
20 * gam Cyg V* 20 22 13.7018357 +40 15 24.044963 3.44 2.90 2.23 1.74 1.40 F8Ib 607 0
21 PSR J2022+3842 Psr 20 22 21.689 +38 42 14.82           ~ 66 0
22 NAME Cyg X Cld 20 30 04.7973633 +40 51 36.002197           ~ 962 1
23 TeV J2032+4130 gam 20 31.7 +41 31           ~ 148 0
24 NAME Cyg Complex reg 20 32 +45.0           ~ 667 0
25 [MT91] 213 Psr 20 32 13.1247390384 +41 27 24.346666440 13.12 13.08 11.266     B0Vp 334 0
26 V* V1521 Cyg HXB 20 32 25.78 +40 57 27.9           WN4/5-6/7 2035 2
27 Ass Cyg OB 2 As* 20 33.2 +41 19           ~ 1023 0
28 PSR B2223+65 Psr 22 25 52.8627 +65 35 36.371           ~ 342 0

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