2009ApJ...704L.129A

Query : 2009ApJ...704L.129A

2009ApJ...704L.129A - Astrophys. J., 704, L129-L133 (2009/October-3)

Discovery of very high energy γ-rays from the blazar S5 0716+714.

ANDERHUB H., ANTONELLI L.A., ANTORANZ P., BACKES M., BAIXERAS C., BALESTRA S., BARRIO J.A., BASTIERI D., BECERRA GONZALEZ J., BECKER J.K., BEDNAREK W., BERDYUGIN A., BERGER K., BERNARDINI E., BILAND A., BOCK R.K., BONNOLI G., BORDAS P., BORLA TRIDON D., BOSCH-RAMON V., BOSE D., BRAUN I., BRETZ T., BRITZGER D., CAMARA M., CARMONA E., CAROSI A., COLIN P., COMMICHAU S., CONTRERAS J.L., CORTINA J., COSTADO M.T., COVINO S., DAZZI F., DE ANGELIS A., DE CEA DEL POZO E., DE LOS REYES R., DE LOTTO B., DE MARIA M., DE SABATA F., DELGADO MENDEZ C., DOMINGUEZ A., DOMINIS PRESTER D., DORNER D., DORO M., ELSAESSER D., ERRANDO M., FERENC D., FERNANDEZ E., FIRPO R., FONSECA M.V., FONT L., GALANTE N., GARCIA LOPEZ R.J., GARCZARCZYK M., GAUG M., GODINOVIC N., GOEBEL F., HADASCH D., HERRERO A., HILDEBRAND D., HOHNE-MONCH D., HOSE J., HRUPEC D., HSU C.C., JOGLER T., KLEPSER S., KRANICH D., LA BARBERA A., LAILLE A., LEONARDO E., LINDFORS E., LOMBARDI S., LONGO F., LOPEZ M., LORENZ E., MAJUMDAR P., MANEVA G., MANKUZHIYIL N., MANNHEIM K., MARASCHI L., MARIOTTI M., MARTINEZ M., MAZIN D., MEUCCI M., MIRANDA J.M., MIRZOYAN R., MIYAMOTO H., MOLDON J., MOLES M., MORALEJO A., NIETO D., NILSSON K., NINKOVIC J., ORITO R., OYA I., PAOLETTI R., PAREDES J.M., PASANEN M., PASCOLI D., PAUSS F., PEGNA R.G., PEREZ-TORRES M.A., PERSIC M., PERUZZO L., PRADA F., PRANDINI E., PUCHADES N., PULJAK I., REICHARDT I., RHODE W., RIBO M., RICO J., RISSI M., ROBERT A., RUGAMER S., SAGGION A., SAINIO J., SAITO T.Y., SALVATI M., SANCHEZ-CONDE M., SATALECKA K., SCALZOTTO V., SCAPIN V., SCHWEIZER T., SHAYDUK M., SHORE S.N., SIERPOWSKA-BARTOSIK A., SILLANPAA A., SITAREK J., SOBCZYNSKA D., SPANIER F., SPIRO S., STAMERRA A., STARK L.S., SURIC T., TAKALO L., TAVECCHIO F., TEMNIKOV P., TESCARO D., TESHIMA M., TORRES D.F., TURINI N., VANKOV H., WAGNER R.M., VILLFORTH C., ZABALZA V., ZANDANEL F., ZANIN R. and ZAPATERO J.

Abstract (from CDS):

The MAGIC Collaboration reports the detection of the blazar S5 0716+714 (z = 0.31±0.08) in very high energy gamma rays. The observations were performed in 2007 November and in 2008 April, and were triggered by the Kungliga Vetenskapliga Akademi telescope due to the high optical state of the object. An overall significance of the signal accounts to S = 5.8σ for 13.1 hr of data. Most of the signal (S = 6.9σ) comes from the 2008 April data sample during a higher optical state of the object suggesting a possible correlation between the Very High Energy γ-ray and optical emissions. The differential energy spectrum of the 2008 data sample follows a power law with a photon index of Γ = 3.45±0.54stat± 0.2syst, and the integral flux above 400 GeV is at the level of (7.5±2.2stat± 2.3syst)x10–12/cm2/s, corresponding to a 9% Crab Nebula flux. Modeling of the broadband spectral energy distribution indicates that a structured jet model appears to be more promising in describing the available data than a simple one-zone synchrotron self-Compton model.

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Journal keyword(s): BL Lacertae objects: individual: S5 0716+714 - gamma rays: observations

Simbad objects: 4

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Number of rows : 4
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 8C 0716+714 BLL 07 21 53.4482942664 +71 20 36.363846516   15.5 15.50 14.27   ~ 1388 1
2 RX J1015.0+4926 BLL 10 15 04.1396533776 +49 26 00.706055496   16.56 16.15 14.58   ~ 400 3
3 Z 334-43 BLL 11 36 26.4090783600 +70 09 27.309071232   15.16 14.49 10.51   ~ 394 1
4 NAME BL Lac BLL 22 02 43.2913536816 +42 16 39.979416792   15.66 14.72     ~ 2397 1

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