2004A&A...417..973A


C.D.S. - SIMBAD4 rel 1.7 - 2020.12.02CET10:54:39

2004A&A...417..973A - Astronomy and Astrophysics, volume 417, 973-979 (2004/4-3)

Observation of the Monoceros Loop SNR region with the HEGRA system of IACTs.

AHARONIAN F.A., AKHPERJANIAN A.G., BEILICKE M., BERNLOEHR K., BOERST H.-G., BOJAHR H., BOLZ O., COARASA T., CONTRERAS J.L., CORTINA J., DENNINGHOFF S., FONSECA M.V., GIRMA M., GOETTING N., HEINZELMANN G., HERMANN G., HEUSLER A., HOFMANN W., HORNS D., JUNG I., KANKANYAN R., KESTEL M., KOHNLE A., KONOPELKO A., KORNMEYER H., KRANICH D., LAMPEITL H., LOPEZ M., LORENZ E., LUCARELLI F., MANG O., MEYER H., MIRZOYAN R., MORALEJO A., ONA-WILHELMI E., PANTER M., PLYASHESHNIKOV A., PUEHLHOFER G., DE LOS REYES R., RHODE W., RIPKEN J., ROWELL G., SAHAKIAN V., SAMORSKI M., SCHILLING M., SIEMS M., SOBZYNSKA D., STAMM W., TLUCZYKONT M., VITALE V., VOELK H.J., WIEDNER C.A. and WITTEK W.

Abstract (from CDS):

The array of 5 imaging atmospheric Cerenkov telescopes (IACTs) deployed at La Palma (Canary Islands), and operated by the HEGRA (High Energy Gamma Ray Astronomy) collaboration, was used for observations of the Monoceros Loop SNR region for a total of about 120hrs and 20hrs in ON-source and OFF-source mode, respectively. The giant molecular cloud Rosette Nebula appears in the sky region, close to the south-east part of the SNR rim. Using the HEGRA system of IACTs of rather large field of view (4.3 degree in diameter), we have mapped the extended sky region of 3°x3° associated with the Monoceros SNR/Rosette Nebula, which is centered towards the hard spectrum X-ray point source SAX J0635+533. The EGRET unidentified source of diffuse γ-ray emission (3EG J0634+0521) observed in the energy range between 100MeV-10GeV, was effectively in the field of view of our present observations. Also, the GeV source GeV J0633+0645 was within the available field of view. The performance of the IACTs array reveals an energy threshold of 500GeV and an angular resolution of 0.1° for γ-rays. In what follows, we present the result of the data analysis and its physical interpretation.

Abstract Copyright:

Journal keyword(s): gamma rays: observations - ISM: supernova remnants - ISM: individual objects: Monoceros Loop SNR

Simbad objects: 9

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Number of rows : 9

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 IC 443 SNR 06 18 02.7 +22 39 36           ~ 1112 1
2 NAME Rosette Nebula HII 06 31 40 +04 57.8           ~ 451 1
3 GeV J0633+0645 gam 06 33 08.8 +06 45 49           ~ 6 1
4 PSR J0635+0533 Psr 06 35 17.4 +05 33 21   13.81 12.83     B1IIIe-B2Ve 40 0
5 NAME Monoceros SNR SNR 06 38 43 +06 30.2           ~ 217 0
6 NAME Lupus SN SNR 15 02 22.1 -42 05 49           ~ 1219 1
7 SNR G347.3-00.5 SNR 17 12 27 -39 41.2           ~ 620 1
8 NAME gam Cyg SNR SNR 20 20 17.100 +40 26 09.00           ~ 200 2
9 NAME Cas A SNR 23 23 24.000 +58 48 54.00           ~ 2452 1

    Equat.    Gal    SGal    Ecl

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2020.12.02-10:54:40

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