A1 Refereed original research article in a scientific journal
MAGIC and Fermi-LAT gamma-ray results on unassociated HAWC sources
Authors: Ahnen ML, Ansoldi S, Antonelli LA, Arcaro C, Baack D, Babic A, Banerjee B, Bangale P, de Almeida UB, Barrio JA, Gonzalez JB, Bednarek W, Bernardini E, Berse RC, Berti A, Bhattacharyya W, Biland A, Blanch O, Bonnoli G, Carosi R, Carosi A, Ceribella G, Chatterjee A, Colak SM, Colin P, Colombo E, Contreras JL, Cortina J, Covino S, Cumani P, Da Vela P, Dazzi F, De Angelis A, De Lotto B, Delfino M, Delgado J, Di Pierro F, Dominguez A, Prester DD, Dorner D, Doro M, Einecke S, Elsaesser D, Ramazani VF, Fernandez-Barra A, Fidalgo D, Fonseca MV, Font L, Fruck C, Galindo D, Loopez RJG, Garczarczyk M, Gaug M, Giammaria P, Godinovic N, Gora D, Guberman D, Hadasch D, Hahn A, Hassan T, Hayashida M, Herrera J, Hose J, Hrupec D, Ishio K, Konno Y, Kubo H, Kushida J, Kuvezdic D, Lelas D, Lindfors E, Lombardi S, Longo F, Lopez M, Maggio C, Majumdar P, Makariev M, Maneva G, Manganaro M, Mannheim K, Maraschi L, Mariotti M, Martinez M, Masuda S, Mazin D, Mielke K, Minev M, Miranda JM, Mirzoyan R, Moralejo A, Moreno V, Moretti E, Nagayoshi T, Neustroev V, Niedzwiecki A, Rosillo MN, Nigro C, Nilsson K, Ninci D, Nishijima K, Noda K, Nogues L, Paiano S, Palacio J, Paneque D, Paoletti R, Paredes JM, Pedaletti G, Peresano M, Persic M, Moroni PGP, F'randini E, Puljak I, Garcia JR, Reichardt I, Rhode W, Ribo M, Rico J, Righi C, Rugliancich A, Saito T, Satalecka K, Schweizer T, Sitarek J, Snidaric I, Sobczynska D, Stamerra A, Strzys M, Suric T, Takahashi M, Takalo L, Tavecchio F, Temnikov P, Terzic T, Teshima M, Torres-Alba N, Treves A, Tsujimoto S, Vanzo G, Acosta MV, Vovk I, Ward JE, Will M, Zaric D, Albert A, Alfaro R, Alvarez C, Arceo R, Arteaga-Velazquez JC, Rojas DA, Solares HAA, Becerri A, Behnont-Moreno E, BenZvi SY, Berna A, Braun J, Caballero-Mora KS, Capistran T, Carraminana A, Casanova S, Castillo M, Cotti U, Cotzomi J, de Leon SC, De Leon C, De la Fuente E, Hernandez RD, Dichiara S, Dingus BL, DuVernois MA, Diaz-Velez JC, Ellsworth RW, Engel K, Enriquez-Rivera O, Fiorino DW, Fleischhack H, Fraija N, Garcia-Gonzalez JA, Garfias F, Gonzalez-Munoz A, Gonzalez MM, Goodman JA, Hampel-Arias Z, Harding JP, Hernandez S, Hueyotl-Zahuantitla F, Hui CM, Huntemeyer P, Iriarte A, Jardin-Blicq A, Joshi V, Kaufmann S, Lara A, Lauer RJ, Lee WH, Lennarz D, Vargas HL, Linnemann JT, Longinotti AL, Luis-Raya G, Luna-Garcia R, Lopez-Coto R, Malone K, Marinelli SS, Martinez O, Martinez-Castellanos I, Martinez-Castro J, Martinez-Huerta H, Matthews JA, Miranda-Romagnoli P, Moreno E, Mostafa M, Nayerhoda A, Nellen L, Newbold M, Nisa MU, Noriega-Papaqui R, Pelayo R, Pretz J, Perez-Perez EG, Ren Z, Rho CD, Riviere C, Rosa-Gonzalez D, Rosenberg M, Ruiz-Velasco E, Greus FS, Sandoval A, Schneider M, Arroyo MS, Sinnis G, Smith AJ, Springer RW, Surajbali P, Taboada I, Tibolla O, Tollefson K, Torres I, Ukwatta TN, Vianello G, Villasenor L, Werner F, Westerhoff S, Wood J, Yapici T, Yodh G, Zepeda A, Zhou H, Alvarez JD, Ajello M, Baldini L, Barbiellini G, Berenji B, Bissaldi E, Blandford RD, Bonino R, Bottacini E, Brandt TJ, Bregeon J, Brue P, Cameron RA, Caputo R, Caraveo PA, Castro D, Cavazzuti E, Chiaro G, Ciprini S, Costantin D, D'Ammando F, de Palma F, Desai A, Di Lalla N, Di Mauro M, Di Venere L, Dominguez A, Favuzzi C, Fukazawa Y, Funk S, Fusco P, Gargano F, Gasparrini D, Giglietto N, Giordano F, Giroletti M, Glanzman T, Green D, Grenier IA, Guiriec S, Harding AK, Hays E, Hewitt JW, Horan D, Johannesson G, Kuss M, Larsson S, Liodakis I, Longo F, Loparco F, Lubrano P, Magill JD, Maldera S, Manfreda A, Mazziotta MN, Mereu I, Michelson RF, Mizuno T, Monzani ME, Morselli A, Moskalenko IV, Negro M, Nuss E, Omodei N, Orienti M, Orlando E, Ormes JF, Palatiello M, Paliya VS, Persic M, Pesce-Rollins M, Petrosian V, Piron F, Porter TA, Principe G, Raino S, Rani B, Razzano M, Razzaque S, Reimer A, Reimer O, Sgro C, Siskind EJ, Spandre G, Spinelli P, Tajima H, Takahashi M, Thayer JB, Thompson DJ, Torres DF, Torresi E, Troja E, Valverde J, Wood K, Yassine M, Yassine M, Wood K, Valverde J, Troja E, Torresi E, Torres DF, Thompson DJ, Thayer JB, Tajima H, Takahashi M, Spandre G, Spinelli P, Sgro C, Siskind EJ
Publisher: OXFORD UNIV PRESS
Publication year: 2019
Journal: Monthly Notices of the Royal Astronomical Society
Journal name in source: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Journal acronym: MON NOT R ASTRON SOC
Volume: 485
Issue: 1
First page : 356
Last page: 366
Number of pages: 11
ISSN: 0035-8711
eISSN: 1365-2966
DOI: https://doi.org/10.1093/mnras/stz089
Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/40895954
The HAWC Collaboration released the 2HWC catalogue of TeV sources, in which 19 show no association with any known high-energy (HE; E greater than or similar to 10 GeV) or very-high-energy (VHE; E greater than or similar to 300 GeV) sources. This catalogue motivated follow-up studies by both the Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) and Fermi-LAT (Large Area Telescope) observatories with the aim of investigating gamma-ray emission over a broad energy band. In this paper, we report the results from the first joint work between High Altitude Water Cherenkov (HAWC), MAGIC, and Fermi-LAT on three unassociated HAWC sources: 2HWC J2006+341, 2HWC J1907+084*, and 2HWC J1852+013*. Although no significant detection was found in the HE and VHE regimes, this investigation shows that a minimum 1 degrees extension (at 95 per cent confidence level) and harder spectrum in the GeV than the one extrapolated from HAWC results are required in the case of 2HWC J1852+013*, whilst a simply minimum extension of 0.16 degrees (at 95 per cent confidence level) can already explain the scenario proposed by HAWC for the remaining sources. Moreover, the hypothesis that these sources are pulsar wind nebulae is also investigated in detail.
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