2011ApJ...726...43A


Query : 2011ApJ...726...43A

2011ApJ...726...43A - Astrophys. J., 726, 43 (2011/January-1)

Multi-wavelength observations of the flaring gamma-ray blazar 3C 66A in 2008 October.

ABDO A.A., ACKERMANN M., AJELLO M., BALDINI L., BALLET J., BARBIELLINI G., BASTIERI D., BECHTOL K., BELLAZZINI R., BERENJI B., BLANDFORD R.D., BONAMENTE E., BORGLAND A.W., BOUVIER A., BREGEON J., BREZ A., BRIGIDA M., BRUEL P., BUEHLER R., BUSON S., CALIANDRO G.A., CAMERON R.A., CARAVEO P.A., CARRIGAN S., CASANDJIAN J.M., CAVAZZUTI E., CECCHI C., CELIK O., CHARLES E., CHEKHTMAN A., CHEUNG C.C., CHIANG J., CIPRINI S., CLAUS R., COHEN-TANUGI J., CONRAD J., COSTAMANTE L., CUTINI S., DAVIS D.S., DERMER C.D., DE PALMA F., DIGEL S.W., DO COUTO E SILVA E., DRELL P.S., DUBOIS R., DUMORA D., FAVUZZI C., FEGAN S.J., FORTIN P., FRAILIS M., FUHRMANN L., FUKAZAWA Y., FUNK S., FUSCO P., GARGANO F., GASPARRINI D., GEHRELS N., GERMANI S., GIGLIETTO N., GIOMMI P., GIORDANO F., GIROLETTI M., GLANZMAN T., GODFREY G., GRENIER I.A., GROVE J.E., GUILLEMOT L., GUIRIEC S., HADASCH D., HAYASHIDA M., HAYS E., HORAN D., HUGHES R.E., ITOH R., JOHANNESSON G., JOHNSON A.S., JOHNSON T.J., JOHNSON W.N., KAMAE T., KATAGIRI H., KATAOKA J., KNODLSEDER J., KUSS M., LANDE J., LATRONICO L., LEE S.-H., LONGO F., LOPARCO F., LOTT B., LOVELLETTE M.N., LUBRANO P., MAKEEV A., MAZZIOTTA M.N., McENERY J.E., MEHAULT J., MICHELSON P.F., MIZUNO T., MOISEEV A.A., MONTE C., MONZANI M.E., MORSELLI A., MOSKALENKO I.V., MURGIA S., NAKAMORI T., NAUMANN-GODO M., NESTORAS I., NOLAN P.L., NORRIS J.P., NUSS E., OHSUGI T., OKUMURA A., OMODEI N., ORLANDO E., ORMES J.F., OZAKI M., PANEQUE D., PANETTA J.H., PARENT D., PELASSA V., PEPE M., PESCE-ROLLINS M., PIRON F., PORTER T.A., RAINO S., RANDO R., RAZZANO M., REIMER A., REIMER O., REYES L.C., RIPKEN J., RITZ S., ROMANI R.W., ROTH M., SADROZINSKI H.F.-W., SANCHEZ D., SANDER A., SCARGLE J.D., SGRO C., SHAW M.S., SMITH P.D., SPANDRE G., SPINELLI P., STRICKMAN M.S., SUSON D.J., TAKAHASHI H., TANAKA T., THAYER J.B., THAYER J.G., THOMPSON D.J., TIBALDO L., TORRES D.F., TOSTI G., TRAMACERE A., USHER T.L., VANDENBROUCKE J., VASILEIOU V., VILCHEZ N., VITALE V., WAITE A.P., WANG P., WINER B.L., WOOD K.S., YANG Z., YLINEN T., ZIEGLER M. (The Fermi-LAT Collaboration), ACCIARI V.A., ALIU E., ARLEN T., AUNE T., BEILICKE M., BENBOW W., BOTTCHER M., BOLTUCH D., BRADBURY S.M., BUCKLEY J.H., BUGAEV V., BYRUM K., CANNON A., CESARINI A., CHRISTIANSEN J.L., CIUPIK L., CUI W., DE LA CALLE PEREZ I., DICKHERBER R., ERRANDO M., FALCONE A., FINLEY J.P., FINNEGAN G., FORTSON L., FURNISS A., GALANTE N., GALL D., GILLANDERS G.H., GODAMBE S., GRUBE J., GUENETTE R., GYUK G., HANNA D., HOLDER J., HUI C.M., HUMENSKY T.B., IMRAN A., KAARET P., KARLSSON N., KERTZMAN M., KIEDA D., KONOPELKO A., KRAWCZYNSKI H., KRENNRICH F., LANG M.J., LEBOHEC S., MAIER G., McARTHUR S., McCANN A., McCUTCHEON M., MORIARTY P., MUKHERJEE R., ONG R.A., OTTE A.N., PANDEL D., PERKINS J.S., PICHEL A., POHL M., QUINN J., RAGAN K., REYNOLDS P.T., ROACHE E., ROSE H.J., SCHROEDTER M., SEMBROSKI G.H., SENTURK G.D., SMITH A.W., STEELE D., SWORDY S.P., TESIC G., THEILING M., THIBADEAU S., VARLOTTA A., VASSILIEV V.V., VINCENT S., WAKELY S.P., WARD J.E., WEEKES T.C., WEINSTEIN A., WEISGARBER T., WILLIAMS D.A., WISSEL S., WOOD M. (The VERITAS Collaboration), VILLATA M., RAITERI C.M., GURWELL M.A., LARIONOV V.M., KURTANIDZE O.M., ALLER M.F., LAHTEENMAKI A., CHEN W.P., BERDYUGIN A., AGUDO I., ALLER H.D., ARKHAROV A.A., BACH U., BACHEV R., BELTRAME P., BENITEZ E., BUEMI C.S., DASHTI J., CALCIDESE P., CAPEZZALI D., CAROSATI D., DA RIO D., PAOLA A.D., DILTZ C., DOLCI M., DULTZIN D., FORNE E., GOMEZ J.L., HAGEN-THORN V.A., HALKOLA A., HEIDT J., HIRIART D., HOVATTA T., HSIAO H.-Y., JORSTAD S.G., KIMERIDZE G.N., KONSTANTINOVA T.S., KOPATSKAYA E.N., KOPTELOVA E., LETO P., LIGUSTRI R., LINDFORS E., LOPEZ J.M., MARSCHER A.P., MOMMERT M., MUJICA R., NIKOLASHVILI M.G., NILSSON K., PALMA N., PASANEN M., ROCA-SOGORB M., ROS J.A., ROUSTAZADEH P., SADUN A.C., SAINO J., SIGUA L.A., SILLANAA A., SORCIA M., TAKALO L.O., TORNIKOSKI M., TRIGILIO C., TURCHETTI R., UMANA G. (The GASP-WEBT Consortium), BELLONI T., BLAKE C.H., BLOOM J.S., ANGELAKIS E., FUMAGALLI M., HAUSER M., PROCHASKA J.X., RIQUELME D., SIEVERS A., STARR D.L., TAGLIAFERRI G., UNGERECHTS H., WAGNER S. and ZENSUS J.A.

Abstract (from CDS):

The BL Lacertae object 3C 66A was detected in a flaring state by the Fermi Large Area Telescope (LAT) and VERITAS in 2008 October. In addition to these gamma-ray observations, F-GAMMA, GASP-WEBT, PAIRITEL, MDM, ATOM, Swift, and Chandra provided radio to X-ray coverage. The available light curves show variability and, in particular, correlated flares are observed in the optical and Fermi-LAT gamma-ray band. The resulting spectral energy distribution can be well fitted using standard leptonic models with and without an external radiation field for inverse Compton scattering. It is found, however, that only the model with an external radiation field can accommodate the intra-night variability observed at optical wavelengths.

Abstract Copyright: ∼

Journal keyword(s): BL Lacertae objects: individual: 3C 66A - galaxies: active - gamma rays: galaxies

Errata: erratum vol. 731, p. 77 (2011)

Simbad objects: 7

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Number of rows : 7
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 J0218+42 Psr 02 18 06.3604 +42 32 17.365           ~ 365 2
2 3C 66A BLL 02 22 39.6114771888 +43 02 07.799534304   15.71 15.21 14.5   ~ 942 2
3 Z 538-57 Sy1 02 23 11.41124925 +42 59 31.3853324   15.71 14.81     ~ 582 2
4 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
5 Z 184-50 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2841 1
6 7C 1219+2830 BLL 12 21 31.6904439888 +28 13 58.500308172   16.81 16.11 14.24   ~ 924 1
7 Z 225-7 BLL 16 53 52.21668403 +39 45 36.6088754 14.09 14.15 13.29 8.26   ~ 2304 2

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