2016MNRAS.459.2550A

Query : 2016MNRAS.459.2550A

2016MNRAS.459.2550A - Mon. Not. R. Astron. Soc., 459, 2550-2557 (2016/July-1)

VERITAS and multiwavelength observations of the BL Lacertae object 1ES 1741+196.

ABEYSEKARA A.U., ARCHAMBAULT S., ARCHER A., BENBOW W., BIRD R., BITEAU J., BUCHOVECKY M., BUCKLEY J.H., BUGAEV V., BYRUM K., CARDENZANA J.V., CERRUTI M., CHEN X., CHRISTIANSEN J.L., CIUPIK L., CONNOLLY M.P., CUI W., DICKINSON H.J., DUMM J., EISCH J.D., ERRANDO M., FALCONE A., FENG Q., FINLEY J.P., FLEISCHHACK H., FLINDERS A., FORTIN P., FORTSON L., FURNISS A., GILLANDERS G.H., GRIFFIN S., GRUBE J., GYUK G., HUETTEN M., HANNA D., HOLDER J., HUMENSKY T.B., JOHNSON C.A., KAARET P., KAR P., KELLEY-HOSKINS N., KERTZMAN M., KIEDA D., KRAUSE M., KRENNRICH F., LANG M.J., MAIER G., McARTHUR S., McCANN A., MEAGHER K., MORIARTY P., MUKHERJEE R., NIETO D., O'BRIEN S., O'FAOLAIN DE BHROITHE A., ONG R.A., OTTE A.N., PARK N., PELASSA V., PETRASHYK A., PETRY D., POHL M., POPKOW A., PUESCHEL E., QUINN J., RAGAN K., RATLIFF G., REYES L.C., REYNOLDS P.T., REYNOLDS K., RICHARDS G.T., ROACHE E., RULTEN C., SANTANDER M., SEMBROSKI G.H., SHAHINYAN K., SMITH A.W., STASZAK D., TELEZHINSKY I., TUCCI J.V., TYLER J., VINCENT S., WAKELY S.P., WEINER O.M., WEINSTEIN A., WILHELM A., WILLIAMS D.A. and ZITZER B.

Abstract (from CDS):

We present results from multiwavelength observations of the BL Lacertae object 1ES 1741 + 196, including results in the very high energy γ-ray regime using the Very Energetic Radiation Imaging Telescope Array System (VERITAS). The VERITAS time-averaged spectrum, measured above 180 GeV, is well modelled by a power law with a spectral index of 2.7 ± 0.7stat ± 0.2syst. The integral flux above 180 GeV is (3.9 ± 0.8stat ± 1.0syst) x 10–8/m2/s, corresponding to 1.6 per cent of the Crab nebula flux on average. The multiwavelength spectral energy distribution of the source suggests that 1ES 1741+196 is an extreme-high-frequency-peaked BL Lacertae object. The observations analysed in this paper extend over a period of six years, during which time no strong flares were observed in any band. This analysis is therefore one of the few characterizations of a blazar in a non-flaring state.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): astroparticle physics - relativistic processes - galaxies: individual: 1ES 1741+196 = VER J1744+195 - galaxies: individual: 1ES 1741+196 = VER J1744+195

Simbad objects: 10

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Number of rows : 10
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 RX J0232.8+2017 BLL 02 32 48.6148874688 +20 17 17.486717388     18.00 13.96   ~ 387 1
2 QSO B0347-121 BLL 03 49 23.1862105584 -11 59 27.366035532   18.74 18.2 17.46   ~ 245 1
3 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
4 RX J0710.5+5908 BLL 07 10 30.0683697888 +59 08 20.371772544   17.38 16.52 15.1   ~ 249 1
5 PMN J1103-2329 BLL 11 03 37.6150845072 -23 29 31.203773520   17.00 16.55 16.61   ~ 405 1
6 Z 184-50 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2841 1
7 PG 1218+304 BLL 12 21 21.9426947832 +30 10 37.158534012   16.50 15.85 15.7   ~ 497 1
8 Z 225-7 BLL 16 53 52.21668403 +39 45 36.6088754 14.09 14.15 13.29 8.26   ~ 2304 2
9 1RXS J174357.3+193505 BLL 17 43 57.8330083440 +19 35 09.018846384     16.80 12.7   ~ 190 1
10 PKS J2158-3013 BLL 21 58 52.0652249880 -30 13 32.118447792   13.36 13.09 12.62   ~ 1829 1

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