2007A&A...474..937A


Query : 2007A&A...474..937A

2007A&A...474..937A - Astronomy and Astrophysics, volume 474, 937-940 (2007/11-2)

Observation of VHE γ-rays from Cassiopeia A with the MAGIC telescope.

ALBERT J., ALIU E., ANDERHUB H., ANTORANZ P., ARMADA A., BAIXERAS C., BARRIO J.A., BARTKO H., BASTIERI D., BECKER J.K., BEDNAREK W., BERGER K., BIGONGIARI C., BILAND A., BOCK R.K., BORDAS P., BOSCH-RAMON V., BRETZ T., BRITVITCH I., CAMARA M., CARMONA E., CHILINGARIAN A., COARASA J.A., COMMICHAU S., CONTRERAS J.L., CORTINA J., COSTADO M.T., CURTEF V., DANIELYAN V., DAZZI F., DE ANGELIS A., DELGADO C., DE LOS REYES R., DE LOTTO B., DOMINGO-SANTAMARIA E., DORNER D., DORO M., ERRANDO M., FAGIOLINI M., FERENC D., FERNANDEZ E., FIRPO R., FLIX J., FONSECA M.V., FONT L., FUCHS M., GALANTE N., GARCIA-LOPEZ R., GARCZARCZYK M., GAUG M., GILLER M., GOEBEL F., HAKOBYAN D., HAYASHIDA M., HENGSTEBECK T., HERRERO A., HOEHNE D., HOSE J., HSU C.C., JACON P., JOGLER T., KOSYRA R., KRANICH D., KRITZER R., LAILLE A., LINDFORS E., LOMBARDI S., LONGO F., LOPEZ J., LOPEZ M., LORENZ E., MAJUMDAR P., MANEVA G., MANNHEIM K., MANSUTTI O., MARIOTTI M., MARTINEZ M., MAZIN D., MERCK C., MEUCCI M., MEYER M., MIRANDA J.M., MIRZOYAN R., MIZOBUCHI S., MORALEJO A., NILSSON K., NINKOVIC J., ONA-WILHELMI E., OTTE N., OYA I., PANEQUE D., PANNIELLO M., PAOLETTI R., PAREDES J.M., PASANEN M., PASCOLI D., PAUSS F., PEGNA R., PERSIC M., PERUZZO L., PICCIOLI A., POLLER M., PUCHADES N., PRANDINI E., RAYMERS A., RHODE W., RIBO M., RICO J., RISSI M., ROBERT A., RUEGAMER S., SAGGION A., SANCHEZ A., SARTORI P., SCALZOTTO V., SCAPIN V., SCHMITT R., SCHWEIZER T., SHAYDUK M., SHINOZAKI K., SHORE S.N., SIDRO N., SILLANPAEAE A., SOBCZYNSKA D., STAMERRA A., STARK L.S., TAKALO L., TEMNIKOV P., TESCARO D., TESHIMA M., TONELLO N., TORRES D.F., TURINI N., VANKOV H., VITALE V., WAGNER R.M., WIBIG T., WITTEK W., ZANDANEL F., ZANIN R. and ZAPATERO J.

Abstract (from CDS):

We searched for very high energy (VHE) γ-ray emission from the supernova remnant Cassiopeia A The shell-type supernova remnant Cassiopeia A was observed with the 17m MAGIC telescope between July 2006 and January 2007 for a total time of 47h. The source was detected above an energy of 250 GeV with a significance of 5.2σ and a photon flux above 1TeV of (7.3±0.7stat±2.2sys)x10–13/cm2/s. The photon spectrum is compatible with a power law dN/dE ∝E–Γ with a photon index Γ=2.3±0.2stat±0.2sys. The source is point-like within the angular resolution of the telescope.

Abstract Copyright:

Journal keyword(s): acceleration of particles - ISM: cosmic rays - gamma rays: observations - ISM: individual objects: Cassiopeia A - ISM: supernova remnants

Simbad objects: 3

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Number of rows : 3
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 M 1 SNR 05 34 31.94 +22 00 52.2           ~ 5764 4
2 Mrk 421 BLL 11 04 27.3139210166 +38 12 31.798324828   13.50 12.90 8.31   ~ 2459 1
3 NAME Cas A SNR 23 23 24.000 +58 48 54.00     14.30     ~ 2514 1

    Equat.    Gal    SGal    Ecl

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2021.07.29-17:13:14

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