Search for gamma-rays from the unusually bright GRB 130427a with the hawc gamma-ray observatory

A. U. Abeysekara, R. Alfaro, C. Alvarez, J. D. Álvarez, R. Arceo, J. C. Arteaga-Velázquez, H. A.Ayala Solares, A. S. Barber, B. M. Baughman, N. Bautista-Elivar, S. Y. Benzvi, M. Bonilla Rosales, J. Braun, K. S. Caballero-Mora, A. Carramiñana, M. Castillo, U. Cotti, J. Cotzomi, E. De La Fuente, C. De LeónT. Deyoung, R. Diaz Hernandez, B. L. Dingus, M. A. Duvernois, R. W. Ellsworth, D. W. Fiorino, N. Fraija, A. Galindo, F. Garfias, M. M. González, J. A. Goodman, M. Gussert, Z. Hampel-Arias, J. P. Harding, P. Hüntemeyer, C. M. Hui, A. Imran, A. Iriarte, P. Karn, D. Kieda, G. J. Kunde, A. Lara, R. J. Lauer, W. H. Lee, D. Lennarz, H. León Vargas, J. T. Linnemann, M. Longo, R. Luna-García, K. Malone, A. Marinelli, S. S. Marinelli, H. Martinez, O. Martinez, J. Martínez-Castro, J. A.J. Matthews, E. Mendoza Torres, P. Miranda-Romagnoli, E. Moreno, M. Mostafá, L. Nellen, M. Newbold, R. Noriega-Papaqui, T. O. Oceguera-Becerra, B. Patricelli, R. Pelayo, E. G. Pérez-Pérez, J. Pretz, C. Rivière, 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, K. Tollefson, I. Torres, T. N. Ukwatta, L. Villaseñor, T. Weisgarber, S. Westerhoff, I. G. Wisher, J. Wood, G. B. Yodh, P. W. Younk, D. Zaborov, A. Zepeda, H. Zhou

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

The first limits on the prompt emission from the long gamma-ray burst (GRB) 130427A in the >100 GeV energy band are reported. GRB 130427A was the most powerful burst ever detected with a redshift z ≲ 0.5 and featured the longest lasting emission above 100 MeV. The energy spectrum extends at least up to 95 GeV, clearly in the range observable by the High Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory, a new extensive air shower detector currently under construction in central Mexico. The burst occurred under unfavorable observation conditions, low in the sky and when HAWC was running 10% of the final detector. Based on the observed light curve at MeV-GeV energies, eight different time periods have been searched for prompt and delayed emission from this GRB. In all cases, no statistically significant excess of counts has been found and upper limits have been placed. It is shown that a similar GRB close to zenith would be easily detected by the full HAWC detector, which will be completed soon. The detection rate of the full HAWC detector may be as high as one to two GRBs per year. A detection could provide important information regarding the high energy processes at work and the observation of a possible cut-off beyond the Fermi Large Area Telescope energy range could be the signature of gamma-ray absorption, either in the GRB or along the line of sight due to the extragalactic background light.

Original languageEnglish (US)
Article number78
JournalAstrophysical Journal
Volume800
Issue number2
DOIs
StatePublished - Feb 20 2015

Fingerprint

Gamma Ray Observatory
gamma ray bursts
high altitude
observatory
gamma rays
detectors
energy
water
bursts
gamma ray absorption
cosmic ray showers
Mexico
zenith
line of sight
light curve
energy bands
sky
energy spectra
cut-off
signatures

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Abeysekara, A. U., Alfaro, R., Alvarez, C., Álvarez, J. D., Arceo, R., Arteaga-Velázquez, J. C., ... Zhou, H. (2015). Search for gamma-rays from the unusually bright GRB 130427a with the hawc gamma-ray observatory. Astrophysical Journal, 800(2), [78]. https://doi.org/10.1088/0004-637X/800/2/78
Abeysekara, A. U. ; Alfaro, R. ; Alvarez, C. ; Álvarez, J. D. ; Arceo, R. ; Arteaga-Velázquez, J. C. ; Solares, H. A.Ayala ; Barber, A. S. ; Baughman, B. M. ; Bautista-Elivar, N. ; Benzvi, S. Y. ; Rosales, M. Bonilla ; Braun, J. ; Caballero-Mora, K. S. ; Carramiñana, A. ; Castillo, M. ; Cotti, U. ; Cotzomi, J. ; De La Fuente, E. ; De León, C. ; Deyoung, T. ; Hernandez, R. Diaz ; Dingus, B. L. ; Duvernois, M. A. ; Ellsworth, R. W. ; Fiorino, D. W. ; Fraija, N. ; Galindo, A. ; Garfias, F. ; González, M. M. ; Goodman, J. A. ; Gussert, M. ; Hampel-Arias, Z. ; Harding, J. P. ; Hüntemeyer, P. ; Hui, C. M. ; Imran, A. ; Iriarte, A. ; Karn, P. ; Kieda, D. ; Kunde, G. J. ; Lara, A. ; Lauer, R. J. ; Lee, W. H. ; Lennarz, D. ; Vargas, H. León ; Linnemann, J. T. ; Longo, M. ; Luna-García, R. ; Malone, K. ; Marinelli, A. ; Marinelli, S. S. ; Martinez, H. ; Martinez, O. ; Martínez-Castro, J. ; Matthews, J. A.J. ; Torres, E. Mendoza ; Miranda-Romagnoli, P. ; Moreno, E. ; Mostafá, M. ; Nellen, L. ; Newbold, M. ; Noriega-Papaqui, R. ; Oceguera-Becerra, T. O. ; Patricelli, B. ; Pelayo, R. ; Pérez-Pérez, E. G. ; Pretz, J. ; Rivière, C. ; Rosa-González, D. ; Salazar, H. ; Greus, F. Salesa ; Sandoval, A. ; Schneider, M. ; Sinnis, G. ; Smith, A. J. ; Woodle, K. Sparks ; Springer, R. W. ; Taboada, I. ; Tollefson, K. ; Torres, I. ; Ukwatta, T. N. ; Villaseñor, L. ; Weisgarber, T. ; Westerhoff, S. ; Wisher, I. G. ; Wood, J. ; Yodh, G. B. ; Younk, P. W. ; Zaborov, D. ; Zepeda, A. ; Zhou, H. / Search for gamma-rays from the unusually bright GRB 130427a with the hawc gamma-ray observatory. In: Astrophysical Journal. 2015 ; Vol. 800, No. 2.
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abstract = "The first limits on the prompt emission from the long gamma-ray burst (GRB) 130427A in the >100 GeV energy band are reported. GRB 130427A was the most powerful burst ever detected with a redshift z ≲ 0.5 and featured the longest lasting emission above 100 MeV. The energy spectrum extends at least up to 95 GeV, clearly in the range observable by the High Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory, a new extensive air shower detector currently under construction in central Mexico. The burst occurred under unfavorable observation conditions, low in the sky and when HAWC was running 10{\%} of the final detector. Based on the observed light curve at MeV-GeV energies, eight different time periods have been searched for prompt and delayed emission from this GRB. In all cases, no statistically significant excess of counts has been found and upper limits have been placed. It is shown that a similar GRB close to zenith would be easily detected by the full HAWC detector, which will be completed soon. The detection rate of the full HAWC detector may be as high as one to two GRBs per year. A detection could provide important information regarding the high energy processes at work and the observation of a possible cut-off beyond the Fermi Large Area Telescope energy range could be the signature of gamma-ray absorption, either in the GRB or along the line of sight due to the extragalactic background light.",
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Search for gamma-rays from the unusually bright GRB 130427a with the hawc gamma-ray observatory. / Abeysekara, A. U.; Alfaro, R.; Alvarez, C.; Álvarez, J. D.; Arceo, R.; Arteaga-Velázquez, J. C.; Solares, H. A.Ayala; Barber, A. S.; Baughman, B. M.; Bautista-Elivar, N.; Benzvi, S. Y.; Rosales, M. Bonilla; Braun, J.; Caballero-Mora, K. S.; Carramiñana, A.; Castillo, M.; Cotti, U.; Cotzomi, J.; De La Fuente, E.; De León, C.; Deyoung, T.; Hernandez, R. Diaz; Dingus, B. L.; Duvernois, M. A.; Ellsworth, R. W.; Fiorino, D. W.; Fraija, N.; Galindo, A.; Garfias, F.; González, M. M.; Goodman, J. A.; Gussert, M.; Hampel-Arias, Z.; Harding, J. P.; Hüntemeyer, P.; Hui, C. M.; Imran, A.; Iriarte, A.; Karn, P.; Kieda, D.; Kunde, G. J.; Lara, A.; Lauer, R. J.; Lee, W. H.; Lennarz, D.; Vargas, H. León; Linnemann, J. T.; Longo, M.; Luna-García, R.; Malone, K.; Marinelli, A.; Marinelli, S. S.; Martinez, H.; Martinez, O.; Martínez-Castro, J.; Matthews, J. A.J.; Torres, E. Mendoza; Miranda-Romagnoli, P.; Moreno, E.; Mostafá, M.; Nellen, L.; Newbold, M.; Noriega-Papaqui, R.; Oceguera-Becerra, T. O.; Patricelli, B.; Pelayo, R.; Pérez-Pérez, E. G.; Pretz, J.; Rivière, C.; Rosa-González, D.; Salazar, H.; Greus, F. Salesa; Sandoval, A.; Schneider, M.; Sinnis, G.; Smith, A. J.; Woodle, K. Sparks; Springer, R. W.; Taboada, I.; Tollefson, K.; Torres, I.; Ukwatta, T. N.; Villaseñor, L.; Weisgarber, T.; Westerhoff, S.; Wisher, I. G.; Wood, J.; Yodh, G. B.; Younk, P. W.; Zaborov, D.; Zepeda, A.; Zhou, H.

In: Astrophysical Journal, Vol. 800, No. 2, 78, 20.02.2015.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Search for gamma-rays from the unusually bright GRB 130427a with the hawc gamma-ray observatory

AU - Abeysekara, A. U.

AU - Alfaro, R.

AU - Alvarez, C.

AU - Álvarez, J. D.

AU - Arceo, R.

AU - Arteaga-Velázquez, J. C.

AU - Solares, H. A.Ayala

AU - Barber, A. S.

AU - Baughman, B. M.

AU - Bautista-Elivar, N.

AU - Benzvi, S. Y.

AU - Rosales, M. Bonilla

AU - Braun, J.

AU - Caballero-Mora, K. S.

AU - Carramiñana, A.

AU - Castillo, M.

AU - Cotti, U.

AU - Cotzomi, J.

AU - De La Fuente, E.

AU - De León, C.

AU - Deyoung, T.

AU - Hernandez, R. Diaz

AU - Dingus, B. L.

AU - Duvernois, M. A.

AU - Ellsworth, R. W.

AU - Fiorino, D. W.

AU - Fraija, N.

AU - Galindo, A.

AU - Garfias, F.

AU - González, M. M.

AU - Goodman, J. A.

AU - Gussert, M.

AU - Hampel-Arias, Z.

AU - Harding, J. P.

AU - Hüntemeyer, P.

AU - Hui, C. M.

AU - Imran, A.

AU - Iriarte, A.

AU - Karn, P.

AU - Kieda, D.

AU - Kunde, G. J.

AU - Lara, A.

AU - Lauer, R. J.

AU - Lee, W. H.

AU - Lennarz, D.

AU - Vargas, H. León

AU - Linnemann, J. T.

AU - Longo, M.

AU - Luna-García, R.

AU - Malone, K.

AU - Marinelli, A.

AU - Marinelli, S. S.

AU - Martinez, H.

AU - Martinez, O.

AU - Martínez-Castro, J.

AU - Matthews, J. A.J.

AU - Torres, E. Mendoza

AU - Miranda-Romagnoli, P.

AU - Moreno, E.

AU - Mostafá, M.

AU - Nellen, L.

AU - Newbold, M.

AU - Noriega-Papaqui, R.

AU - Oceguera-Becerra, T. O.

AU - Patricelli, B.

AU - Pelayo, R.

AU - Pérez-Pérez, E. G.

AU - Pretz, J.

AU - Rivière, C.

AU - Rosa-González, D.

AU - Salazar, H.

AU - Greus, F. Salesa

AU - Sandoval, A.

AU - Schneider, M.

AU - Sinnis, G.

AU - Smith, A. J.

AU - Woodle, K. Sparks

AU - Springer, R. W.

AU - Taboada, I.

AU - Tollefson, K.

AU - Torres, I.

AU - Ukwatta, T. N.

AU - Villaseñor, L.

AU - Weisgarber, T.

AU - Westerhoff, S.

AU - Wisher, I. G.

AU - Wood, J.

AU - Yodh, G. B.

AU - Younk, P. W.

AU - Zaborov, D.

AU - Zepeda, A.

AU - Zhou, H.

PY - 2015/2/20

Y1 - 2015/2/20

N2 - The first limits on the prompt emission from the long gamma-ray burst (GRB) 130427A in the >100 GeV energy band are reported. GRB 130427A was the most powerful burst ever detected with a redshift z ≲ 0.5 and featured the longest lasting emission above 100 MeV. The energy spectrum extends at least up to 95 GeV, clearly in the range observable by the High Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory, a new extensive air shower detector currently under construction in central Mexico. The burst occurred under unfavorable observation conditions, low in the sky and when HAWC was running 10% of the final detector. Based on the observed light curve at MeV-GeV energies, eight different time periods have been searched for prompt and delayed emission from this GRB. In all cases, no statistically significant excess of counts has been found and upper limits have been placed. It is shown that a similar GRB close to zenith would be easily detected by the full HAWC detector, which will be completed soon. The detection rate of the full HAWC detector may be as high as one to two GRBs per year. A detection could provide important information regarding the high energy processes at work and the observation of a possible cut-off beyond the Fermi Large Area Telescope energy range could be the signature of gamma-ray absorption, either in the GRB or along the line of sight due to the extragalactic background light.

AB - The first limits on the prompt emission from the long gamma-ray burst (GRB) 130427A in the >100 GeV energy band are reported. GRB 130427A was the most powerful burst ever detected with a redshift z ≲ 0.5 and featured the longest lasting emission above 100 MeV. The energy spectrum extends at least up to 95 GeV, clearly in the range observable by the High Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory, a new extensive air shower detector currently under construction in central Mexico. The burst occurred under unfavorable observation conditions, low in the sky and when HAWC was running 10% of the final detector. Based on the observed light curve at MeV-GeV energies, eight different time periods have been searched for prompt and delayed emission from this GRB. In all cases, no statistically significant excess of counts has been found and upper limits have been placed. It is shown that a similar GRB close to zenith would be easily detected by the full HAWC detector, which will be completed soon. The detection rate of the full HAWC detector may be as high as one to two GRBs per year. A detection could provide important information regarding the high energy processes at work and the observation of a possible cut-off beyond the Fermi Large Area Telescope energy range could be the signature of gamma-ray absorption, either in the GRB or along the line of sight due to the extragalactic background light.

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UR - http://www.scopus.com/inward/citedby.url?scp=84929223570&partnerID=8YFLogxK

U2 - 10.1088/0004-637X/800/2/78

DO - 10.1088/0004-637X/800/2/78

M3 - Article

AN - SCOPUS:84929223570

VL - 800

JO - Astrophysical Journal

JF - Astrophysical Journal

SN - 0004-637X

IS - 2

M1 - 78

ER -

Abeysekara AU, Alfaro R, Alvarez C, Álvarez JD, Arceo R, Arteaga-Velázquez JC et al. Search for gamma-rays from the unusually bright GRB 130427a with the hawc gamma-ray observatory. Astrophysical Journal. 2015 Feb 20;800(2). 78. https://doi.org/10.1088/0004-637X/800/2/78