SEARCH for TeV GAMMA-RAY EMISSION from POINT-LIKE SOURCES in the INNER GALACTIC PLANE with A PARTIAL CONFIGURATION of the HAWC OBSERVATORY

A. U. Abeysekara, R. Alfaro, C. Alvarez, J. D. Alvarez, R. Arceo, J. C. Arteaga-Velá Zquez, H. A.Ayala Solares, A. S. Barber, B. M. Baughman, N. Bautista-Elivar, A. D.Becerril Reyes, E. Belmont, S. Y. Benzvi, A. Bernal, J. Braun, K. S. Caballero-Mora, T. Capistrán, A. Carraminana, S. Casanova, M. CastilloU. Cotti, J. Cotzomi, S. Coutińo De León, E. De La Fuente, C. De León, T. Deyoung, R. Diaz Hernandez, B. L. Dingus, M. A. Duvernois, R. W. Ellsworth, O. Enriquez-Rivera, D. W. Fiorino, N. Fraija, F. Garfias, M. M. González, J. A. Goodman, M. Gussert, Z. Hampel-Arias, J. P. Harding, S. Hernandez, P. Hüntemeyer, C. M. Hui, A. Imran, A. Iriarte, P. Karn, D. Kieda, A. Lara, R. J. Lauer, W. H. Lee, D. Lennarz, H. León Vargas, J. T. Linnemann, M. Longo, G. Luis Raya, K. Malone, A. Marinelli, S. S. Marinelli, H. Martinez, O. Martinez, J. Martinez-Castro, J. A. Matthews, P. Miranda-Romagnoli, E. Moreno, M. Mostafá, L. Nellen, M. Newbold, R. Noriega-Papaqui, B. Patricelli, R. Pelayo, E. G. Pérez-Pérez, J. Pretz, Z. Ren, C. Riviere, D. Rosa-González, H. Salazar, F. Salesa Greus, A. Sandoval, M. Schneider, G. Sinnis, A. J. Smith, K. Sparks Woodle, R. W. Springer, I. Taboada, O. Tibolla, K. Tollefson, I. Torres, T. N. Ukwatta, L. Villasenor, K. Vrabel, T. Weisgarber, S. Westerhoff, I. G. Wisher, J. Wood, T. Yapici, G. B. Yodh, P. W. Younk, D. Zaborov, A. Zepeda, H. Zhou

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Abstract

A survey of the inner Galaxy region of Galactic longitude l ∈[+15,+50] and latitude b ∈ [-4, +4] is performed using one-third of the High Altitude Water Cherenkov Observatory, operated during ts construction phase. To address the ambiguities arising from unresolved sources in the data, we use a maximum likelihood technique to identify point source candidates. Ten sources and candidate sources are identified in this analysis. Eight of these are associated with known TeV sources but not all have ifferential fluxes that are compatible with previous measurements. Three sources are detected with significances >5 sigma; after accounting for statistical trials, and are associated with known TeV sources.

Original languageEnglish (US)
Article number3
JournalAstrophysical Journal
Volume817
Issue number1
DOIs
StatePublished - Jan 20 2016

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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    Abeysekara, A. U., Alfaro, R., Alvarez, C., Alvarez, J. D., Arceo, R., Arteaga-Velá Zquez, J. C., Solares, H. A. A., Barber, A. S., Baughman, B. M., Bautista-Elivar, N., Reyes, A. D. B., Belmont, E., Benzvi, S. Y., Bernal, A., Braun, J., Caballero-Mora, K. S., Capistrán, T., Carraminana, A., Casanova, S., ... Zhou, H. (2016). SEARCH for TeV GAMMA-RAY EMISSION from POINT-LIKE SOURCES in the INNER GALACTIC PLANE with A PARTIAL CONFIGURATION of the HAWC OBSERVATORY. Astrophysical Journal, 817(1), [3]. https://doi.org/10.3847/0004-637X/817/1/3