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  VERITAS and Fermi-LAT observations of new HAWC sources

VERITAS Collaboration, Fermi-LAT Collaboration, HAWC Collaboration, Abeysekara, A. U., Archer, A., Benbow, W., et al. (2018). VERITAS and Fermi-LAT observations of new HAWC sources. Astrophysical Journal, (866), 24-42. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2018-374.

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VERITAS Collaboration1, Author
Fermi-LAT Collaboration1, Author
HAWC Collaboration1, Author
Abeysekara, A. U.1, Author
Archer, A.1, Author
Benbow, W.1, Author
Bird, R.1, Author
Brose, R.1, Author
Buchovecky, M.1, Author
Buckley, J. H.1, Author
Bugaev, V.1, Author
Chromey, A. J.1, Author
Connolly, M. P.1, Author
Cui, W.1, Author
Daniel, M. K.1, Author
Falcone, A.1, Author
Feng, Q.1, Author
Finley, J. P.1, Author
Fortson, L.1, Author
Furniss, A.1, Author
Hutten, M.1, AuthorHanna, D.1, AuthorHervet, O.1, AuthorHolder, J.1, AuthorHughes, G.1, AuthorHumensky, T. B.1, AuthorJohnson, C. A.1, AuthorKaaret, P.1, AuthorKar, P.1, AuthorKertzman, M.1, AuthorKieda, D.1, AuthorKrause, M.1, AuthorKrennrich, F.1, AuthorKumar, S.1, AuthorLang, M. J.1, AuthorLin, T. T. Y.1, AuthorMcArthur, S.1, AuthorMoriarty, P.1, AuthorMukherjee, R.1, AuthorO'Brien, S.1, AuthorOng, R. A.1, AuthorOtte, A. N.1, AuthorPark, N.1, AuthorPetrashyk, A.1, AuthorPohl, M.1, AuthorPueschel, E.1, AuthorQuinn, J.1, AuthorRagan, K.1, AuthorReynolds, P. T.1, AuthorRichards, G. T.1, AuthorRoache, E.1, AuthorRulten, C.1, AuthorSadeh, I.1, AuthorSantander, M.1, AuthorSembroski, G. H.1, AuthorShahinyan, K.1, AuthorSushch, I.1, AuthorTyler, J.1, AuthorWakely, S. P.1, AuthorWeinstein, A.1, AuthorWells, R. M.1, AuthorWilcox, P.1, AuthorWilhelm, A.1, AuthorWilliams, D. A.1, AuthorWilliamson, T. J.1, AuthorZitzer, B.1, AuthorAbdollahi, S.1, AuthorAjello, M.1, AuthorBaldini, L.1, AuthorBarbiellini, G.1, AuthorBastieri, D.1, AuthorBellazzini, R.1, AuthorBerenji, B.1, AuthorBissaldi, E.1, AuthorBlandford, R. D.1, AuthorBonino, R.1, AuthorBottacini, E.1, AuthorBrandt, T. J.1, AuthorBruel, P.1, AuthorBuehler, R.1, AuthorCameron, R. A.1, AuthorCaputo, R.1, AuthorCaraveo, P. A.1, AuthorCastro, D.1, AuthorCavazzuti, E.1, AuthorCharles, E.1, AuthorChiaro, G.1, AuthorCiprini, S.1, AuthorCohen-Tanugi, J.1, AuthorCostantin, D.1, AuthorCutini, S.1, AuthorD'Ammando, F.1, Authorde Palma, F.1, AuthorDi Lalla, N.1, AuthorDi Mauro, M.1, AuthorDi Venere, L.1, AuthorDominguez, A.1, AuthorFavuzzi, C.1, AuthorFegan, S. J.1, AuthorFranckowiak, A.1, AuthorFukazawa, Y.1, AuthorFunk, S.1, AuthorFusco, P.1, AuthorGargano, F.1, AuthorGasparrini, D.1, AuthorGiglietto, N.1, AuthorGiordano, F.1, AuthorGiroletti, M.1, AuthorGreen, D.1, AuthorGrenier, I. A.1, AuthorGuillemot, L.1, AuthorGuiriec, S.1, AuthorHays, E.1, AuthorHewitt, J. W.1, AuthorHoran, D.1, AuthorJohannesson, G.1, AuthorKensei, S.1, AuthorKuss, M.1, AuthorLarsson, S.1, AuthorLatronico, L.1, AuthorLemoine-Goumard, M.1, AuthorLi, J.1, AuthorLongo, F.1, AuthorLoparco, F.1, AuthorLovellette, M. N.1, AuthorLubrano, P.1, AuthorMagill, J. D.1, AuthorMaldera, S.1, AuthorMazziotta, M. N.1, AuthorMcEnery, J. E.1, AuthorMichelson, P. F.1, AuthorMitthumsiri, W.1, AuthorMizuno, T.1, AuthorMonzani, M. E.1, AuthorMorselli, A.1, AuthorMoskalenko, I. V.1, AuthorNegro, M.1, AuthorNuss, E.1, AuthorOjha, R.1, AuthorOmodei, N.1, AuthorOrienti, M.1, AuthorOrlando, E.1, AuthorPalatiello, M.1, AuthorPaliya, V. S.1, AuthorPaneque, D.1, AuthorPerkins, J. S.1, AuthorPersic, M.1, AuthorPesce-Rollins, M.1, AuthorPetrosian, V.1, AuthorPiron, F.1, AuthorPorter, T. A.1, AuthorPrincipe, G.1, AuthorRaino, S.1, AuthorRando, R.1, AuthorRani, B.1, AuthorRazzano, M.1, AuthorRazzaque, S.1, AuthorReimer, A.1, AuthorReimer, O.1, AuthorReposeur, T.1, AuthorSgro, C.1, AuthorSiskind, E. J.1, AuthorSpandre, G.1, AuthorSpinelli, P.1, AuthorSuson, D. J.1, AuthorTajima, H.1, AuthorThayer, J. B.1, AuthorThompson, D. J.1, AuthorTorres, D. F.1, AuthorTosti, G.1, AuthorTroja, E.1, AuthorValverde, J.1, AuthorVianello, G.1, AuthorVogel, M.1, AuthorWood, K.1, AuthorYassine, M.1, AuthorAlfaro, R.1, AuthorAlvarez, C.1, AuthorAlvarez, J. D.1, AuthorArceo, R.1, AuthorArteaga-Velazquez, J. C.1, AuthorAvila Rojas, D.1, AuthorAyala Solares, H. A.1, AuthorBecerril, A.1, AuthorBelmont-Moreno, E.1, AuthorBenZvi, S. Y.1, AuthorBernal, A.1, AuthorBraun, J.1, AuthorBrisbois, C.1, AuthorCaballero-Mora, K. S.1, AuthorCapistran, T.1, AuthorCarraminana, A.1, AuthorCasanova, S.1, AuthorCastillo, M.1, AuthorCotti, U.1, AuthorCotzomi, J.1, AuthorCoutino de Leon, S.1, AuthorDe Leon, C.1, AuthorDe la Fuente, E.1, AuthorDichiara, S.1, AuthorDingus, B. L.1, AuthorDuVernois, M. A.1, AuthorDiaz-Velez, J. C.1, AuthorEngel, K.1, AuthorEnriquez-Rivera, O.1, AuthorFiorino, D. W.1, AuthorFleischhack, H.1, AuthorFraija, N.1, AuthorGarcia-Gonzalez, J. A.1, AuthorGarfias, F.1, AuthorGonzalez Munoz, A.1, AuthorGonzalez, M. M.1, AuthorGoodman, J. A.1, AuthorHampel-Arias, Z.1, AuthorHarding, J. P.1, AuthorHernandez, S.1, AuthorHernandez-Almada, A.1, AuthorHona, B.1, AuthorHueyotl-Zahuantitla, F.1, AuthorHui, C. M.1, AuthorHuntemeyer, P.1, AuthorIriarte, A.1, AuthorJardin-Blicq, A.1, AuthorJoshi, V.1, AuthorKaufmann, S.1, AuthorLara, A.1, AuthorLauer, R. J.1, AuthorLee, W. H.1, AuthorLennarz, D.1, AuthorLeon Vargas, H.1, AuthorLinnemann, J. T.1, AuthorLonginotti, A. L.1, AuthorLuis-Raya, G.1, AuthorLuna-Garcia, R.1, AuthorLopez-Coto, R.1, AuthorMalone, K.1, AuthorMarinelli, S. S.1, AuthorMartinez, O.1, AuthorMartinez-Castellanos, I.1, AuthorMartinez-Castro, J.1, AuthorMartinez-Huerta, H.1, AuthorMatthews, J. A.1, AuthorMiranda-Romagnoli, P.1, AuthorMoreno, E.1, AuthorMostafa, M.1, AuthorNayerhoda, A.1, AuthorNellen, L.1, AuthorNewbold, M.1, AuthorNisa, M. U.1, AuthorNoriega-Papaqui, R.1, AuthorPelayo, R.1, AuthorPretz, J.1, AuthorPerez-Perez, E. G.1, AuthorRen, Z.1, AuthorRho, C. D.1, AuthorRiviere, C.1, AuthorRosa-Gonzalez, D.1, AuthorRosenberg, M.1, AuthorRuiz-Velasco, E.1, AuthorSalazar, H.1, AuthorSalesa Greus, F.1, AuthorSandoval, A.1, AuthorSchneider, M.1, AuthorSeglar Arroyo, M.1, AuthorSinnis, G.1, AuthorSmith, A. J.1, AuthorSpringer, R. W.1, AuthorSurajbali, P.1, AuthorTaboada, I.1, AuthorTibolla, O.1, AuthorTollefson, K.1, AuthorTorres, I.1, AuthorUkwatta, T. N.1, AuthorVillasenor, L.1, AuthorWeisgarber, T.1, AuthorWesterhoff, S.1, AuthorWisher, I. G.1, AuthorWood, J.1, AuthorYapici, T.1, AuthorYodh, G.1, AuthorZepeda, A.1, AuthorZhou, H.1, Author more..
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1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650              

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Free keywords: Fermi
 Abstract: The HAWC (High Altitude Water Cherenkov) collaboration recently published their 2HWC catalog, listing 39 very high energy (VHE; >100~GeV) gamma-ray sources based on 507 days of observation. Among these, there are nineteen sources that are not associated with previously known TeV sources. We have studied fourteen of these sources without known counterparts with VERITAS and Fermi-LAT. VERITAS detected weak gamma-ray emission in the 1~TeV-30~TeV band in the region of DA 495, a pulsar wind nebula coinciding with 2HWC J1953+294, confirming the discovery of the source by HAWC. We did not find any counterpart for the selected fourteen new HAWC sources from our analysis of Fermi-LAT data for energies higher than 10 GeV. During the search, we detected GeV gamma-ray emission coincident with a known TeV pulsar wind nebula, SNR G54.1+0.3 (VER J1930+188), and a 2HWC source, 2HWC J1930+188. The fluxes for isolated, steady sources in the 2HWC catalog are generally in good agreement with those measured by imaging atmospheric Cherenkov telescopes. However, the VERITAS fluxes for SNR G54.1+0.3, DA 495, and TeV J2032+4130 are lower than those measured by HAWC and several new HAWC sources are not detected by VERITAS. This is likely due to a change in spectral shape, source extension, or the influence of diffuse emission in the source region.

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 Dates: 2018
 Publication Status: Issued
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Title: Astrophysical Journal
  Alternative Title : Astrophys.J.
Source Genre: Journal
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Pages: - Volume / Issue: (866) Sequence Number: - Start / End Page: 24 - 42 Identifier: -