2016ApJ...821..129A

Query : 2016ApJ...821..129A

2016ApJ...821..129A - Astrophys. J., 821, 129-129 (2016/April-3)

Tev gamma-ray observations of the Galactic Center ridge by VERITAS.

ARCHER A., BENBOW W., BIRD R., BUCHOVECKY M., BUCKLEY J.H., BUGAEV V., BYRUM K., CARDENZANA J.V., CERRUTI M., CHEN X., CIUPIK L., COLLINS-HUGHES E., CONNOLLY M.P., EISCH J.D., FALCONE A., FENG Q., FINLEY J.P., FLEISCHHACK H., FLINDERS A., FORTSON L., FURNISS A., GILLANDERS G.H., GRIFFIN S., GRUBE J., GYUK G., HAKANSSON N., HANNA D., HOLDER J., HUMENSKY T.B., HUTTEN M., JOHNSON C.A., KAARET P., KAR P., KELLEY-HOSKINS N., KERTZMAN M., KIEDA D., KRAUSE M., KRENNRICH F., KUMAR S., LANG M.J., McARTHUR S., McCANN A., MEAGHER K., MILLIS J., MORIARTY P., MUKHERJEE R., NIETO D., ONG R.A., PARK N., PELASSA V., POHL M., POPKOW A., PUESCHEL E., QUINN J., RAGAN K., RATLIFF G., REYNOLDS P.T., RICHARDS G.T., ROACHE E., ROUSSELLE J., SANTANDER M., SEMBROSKI G.H., SHAHINYAN K., SMITH A.W., STASZAK D., TELEZHINSKY I., TUCCI J.V., TYLER J., VASSILIEV V.V., WAKELY S.P., WEINER O.M., WEINSTEIN A., WILHELM A., WILLIAMS D.A., ZITZER B. and YUSEF-ZADEH F.

Abstract (from CDS):

The Galactic Center ridge has been observed extensively in the past by both GeV and TeV gamma-ray instruments revealing a wealth of structure, including a diffuse component and the point sources G0.9+0.1 (a composite supernova remnant) and Sgr A* (believed to be associated with the supermassive black hole located at the center of our Galaxy). Previous very high energy (VHE) gamma-ray observations with the H.E.S.S. experiment have also detected an extended TeV gamma-ray component along the Galactic plane in the >300 GeV gamma-ray regime. Here we report on observations of the Galactic Center ridge from 2010 to 2014 by the VERITAS telescope array in the >2 TeV energy range. From these observations we (1) provide improved measurements of the differential energy spectrum for Sgr A* in the >2 TeV gamma-ray regime, (2) provide a detection in the >2 TeV gamma-ray emission from the composite SNR G0.9+0.1 and an improved determination of its multi-TeV gamma-ray energy spectrum, and (3) report on the detection of VER J1746-289, a localized enhancement of >2 TeV gamma-ray emission along the Galactic plane.

Abstract Copyright: © 2016. The American Astronomical Society. All rights reserved.

Journal keyword(s): Galaxy: center - gamma rays: general - supernovae: individual G0.9+0.1

Simbad objects: 13

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Number of rows : 13
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 HESS J1741-302 gam 17 41 15.79827 -30 22 37.2040           ~ 31 0
2 3FHL J1746.2-2852 LXB 17 44 33.09 -28 44 27.0           ~ 559 0
3 2CG 359+00 gam 17 45 11 -30 11.9           ~ 104 0
4 NAME Fermi Bubbles bub 17 45 -29.0           ~ 525 0
5 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
6 CXOGC J174539.7-290022 Psr 17 45 39.80 -29 00 19.9           ~ 54 1
7 NAME Sgr A* X 17 45 40.03599 -29 00 28.1699           ~ 4970 3
8 NAME Sgr A East SNR 17 45 41 -29 00.8           ~ 523 2
9 NAME Galactic Center Radio Arc Rad 17 46 16.9 -28 48 52           ~ 132 0
10 VER J1746-289 gam 17 46 19.704 -28 57 58.41           ~ 4 0
11 2E 3944 LXB 17 46 21.1 -28 43 39     12.50     ~ 126 0
12 SNR G000.9+00.1 SNR 17 47.3 -28 09           ~ 222 1
13 NAME Sgr B2 MoC 17 47 20.4 -28 23 07           ~ 2443 1

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