2017ApJ...843...88A

Query : 2017ApJ...843...88A

2017ApJ...843...88A - Astrophys. J., 843, 88-88 (2017/July-2)

Search for very-high-energy emission from gamma-ray bursts using the first 18 months of data from the HAWC Gamma-ray Observatory.

ALFARO R., ALVAREZ C., ALVAREZ J.D., ARCEO R., ARTEAGA-VELAZQUEZ J.C., AVILA ROJAS D., AYALA SOLARES H.A., BARBER A.S., BAUTISTA-ELIVAR N., BECERRIL A., BELMONT-MORENO E., BENZVI S.Y., BERNAL A., BRAUN J., BRISBOIS C., CABALLERO-MORA K.S., CAPISTRAN T., CARRAMINANA A., CASANOVA S., CASTILLO M., COTTI U., COTZOMI J., COUTINO DE LEON S., DE LA FUENTE E., DE LEON C., DEYOUNG T., DIAZ HERNANDEZ R., DINGUS B.L., DUVERNOIS M.A., DIAZ-VELEZ J.C., ELLSWORTH R.W., ENGEL K., FIORINO D.W., FRAIJA N., GARCIA-GONZALEZ J.A., GARFIAS F., GERHARDT M., GONZALEZ MUNOZ A., GONZALEZ M.M., GOODMAN J.A., HAMPEL-ARIAS Z., HARDING J.P., HERNANDEZ-ALMADA A., HERNANDEZ S., HONA B., HUI C.M., HUNTEMEYER P., IRIARTE A., JARDIN-BLICQ A., JOSHI V., KAUFMANN S., KIEDA D., LAUER R.J., LEE W.H., LENNARZ D., LEON VARGAS H., LINNEMANN J.T., LONGINOTTI A.L., LUIS RAYA G., LUNA-GARCIA R., LOPEZ-COTO R., MALONE K., MARINELLI S.S., MARTINEZ O., MARTINEZ-CASTELLANOS I., MARTINEZ-CASTRO J., MARTINEZ-HUERTA H., MATTHEWS J.A., MIRANDA-ROMAGNOLI P., MORENO E., MOSTAFA M., NELLEN L., NEWBOLD M., NORIEGA-PAPAQUI R., PELAYO R., PEREZ-PEREZ E.G., PRETZ J., REN Z., RHO C.D., RIVIERE C., ROSA-GONZALEZ D., ROSENBERG M., RUIZ-VELASCO E., SALAZAR H., SALESA GREUS F., SANDOVAL A., SCHNEIDER M., SCHOORLEMMER H., SINNIS G., SMITH A.J., SPRINGER R.W., SURAJBALI P., TABOADA I., TIBOLLA O., TOLLEFSON K., TORRES I., UKWATTA T.N., VIANELLO G., WEISGARBER T., WESTERHOFF S., WOOD J., YAPICI T., YOUNK P.W., ZEPEDA A., ZHOU H. (The HAWC Collaboration)

Abstract (from CDS):

The High Altitude Water Cherenkov (HAWC) Gamma-ray Observatory is an extensive air shower detector operating in central Mexico that has recently completed its first two years of full operations. If for a burst like GRB 130427A at a redshift of 0.34 and a high-energy component following a power law with index 1.66, the high-energy component is extended to higher energies with no cutoff other than that from extragalactic background light attenuation, HAWC would observe gamma-rays with a peak energy of ∼300 GeV. This paper reports the results of HAWC observations of 64 gamma-ray bursts (GRBs) detected by Swift and Fermi, including 3 GRBs that were also detected by the Large Area Telescope (Fermi-LAT). An ON/OFF analysis method is employed, searching on the timescale given by the observed light curve at keV-MeV energies and also on extended timescales. For all GRBs and timescales, no statistically significant excess of counts is found and upper limits on the number of gamma-rays and the gamma-ray flux are calculated. GRB 170206A, the third brightest short GRB detected by the Gamma-ray Burst Monitor on board the Fermi satellite (Fermi-GBM) and also detected by the LAT, occurred very close to zenith. The LAT measurements can neither exclude the presence of a synchrotron self-Compton component nor constrain its spectrum. Instead, the HAWC upper limits constrain the expected cutoff in an additional high-energy component to be less than 100 GeV for reasonable assumptions about the energetics and redshift of the burst.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): gamma-ray burst: general - gamma rays: general - gamma rays: general

Simbad objects: 77

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Number of rows : 77
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 Fermi bn160503567 gB 00 02 -01.9           ~ 7 0
2 Fermi bn150201040 gB 00 22 31.2 +19 45 00           ~ 2 0
3 GRB 150910A gB 00 22 40.14 +33 28 22.4           ~ 79 0
4 GRB 150530B gB 00 29 59.04 +44 17 24.0           ~ 10 0
5 Fermi bn160118060 gB 01 10 52.8 +59 46 48           ~ 4 0
6 Fermi bn160228034 gB 02 08 50.4 +39 22 48           ~ 2 0
7 Fermi bn141230142 gB 03 47 55.2 +01 35 24           ~ 2 0
8 GRB 150416A gB 03 55 00.0 +52 57 36           ~ 5 0
9 Fermi bn150416773 gB 03 55 +53.0           ~ 2 0
10 Fermi bn151129333 gB 04 03 16.8 -11 29 24           ~ 2 0
11 Fermi bn150131951 gB 04 09 04.8 +19 16 12           ~ 2 0
12 Fermi bn150705588 gB 04 26 09.6 -06 37 12           ~ 4 0
13 Fermi bn150904479 gB 04 28 19.2 -20 22 48           ~ 2 0
14 Fermi bn160521839 gB 04 50 02.4 -13 42 00           ~ 2 0
15 Fermi bn160515819 gB 05 22 16.8 -16 18 36           ~ 2 0
16 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
17 Fermi bn150928359 gB 05 35 07.2 +34 14 24           ~ 2 0
18 Fermi bn141205337 gB 06 11 26.16 +37 52 33.6           ~ 27 0
19 Fermi bn150203173 gB 06 33 35.80 +06 57 13.5           ~ 31 0
20 GRB 160310A gB 06 35 17.33 -07 12 56.0           ~ 23 0
21 Fermi bn151022577 gB 07 21 28.8 +40 13 48           ~ 5 0
22 Fermi bn160605847 gB 07 23 55.2 -19 49 48           ~ 2 0
23 Fermi bn160131174 gB 07 32 07.2 +15 29 24           ~ 3 0
24 Fermi bn160301215 gB 07 37 36.0 +02 17 24           ~ 2 0
25 Fermi bn160211119 gB 08 12 48.0 +53 25 48           ~ 4 0
26 Fermi bn150105257 gB 08 17 16.8 -14 46 48           ~ 4 0
27 Fermi bn150314205 gB 08 26 40.82 +63 50 03.4           ~ 117 0
28 GRB 150323A gB 08 32 42.73 +45 27 52.9           ~ 68 0
29 Fermi bn150522944 gB 08 43 26.4 +58 34 48           ~ 4 0
30 GRB 150317A gB 09 15 56.32 +55 27 56.6           ~ 20 0
31 Fermi bn141202470 gB 09 40 02.4 +59 52 12           ~ 5 0
32 GRB 160410A gB 10 02 44.37 +03 28 42.7           ~ 75 0
33 Fermi bn150329288 gB 10 52 00.0 -12 19 12           ~ 2 0
34 Fermi bn160303201 gB 10 53 57.6 +56 56 24           ~ 3 0
35 SN 2013cq SN* 11 32 32.84 +27 41 56.2           SNIc 613 1
36 GRB 150302A gB 11 42 07.44 +36 48 39.6           ~ 24 0
37 Fermi bn160206430 gB 12 17 02.4 +52 24 36           ~ 2 0
38 Fermi bn150811849 gB 12 25 23.5 -14 06 18           ~ 6 0
39 Fermi bn160113398 gB 12 29 02.4 +11 31 48           ~ 15 0
40 GRB 150428A gB 12 34 09.22 +06 57 13.2           ~ 23 0
41 GRB 150710A gB 12 57 52.91 +14 19 05.0           ~ 19 0
42 Fermi bn150906944 gB 14 08 09.6 +01 05 24           ~ 4 0
43 Fermi bn170206453 gB 14 11 09.60 +14 28 48.0           ~ 28 0
44 Fermi bn150110433 gB 14 28 00.0 +18 54 00           ~ 7 0
45 Fermi bn160527080 gB 14 33 43.2 +06 40 48           ~ 2 0
46 Fermi bn150206407 gB 14 42 21.6 +57 30 00           ~ 2 0
47 GRB 150423A gB 14 46 18.96 +12 17 00.6           ~ 79 0
48 Fermi bn160102500 gB 14 55 04.8 +06 22 48           ~ 2 0
49 Fermi bn151205657 gB 15 17 09.27 +35 44 38.4           ~ 17 0
50 GRB 080825C gB 15 28.8 -04 54           ~ 71 0
51 Fermi bn150502435 gB 16 05 50.4 +42 03 36           ~ 2 0
52 Fermi bn150817087 gB 16 38 31.47 -12 03 10.6           ~ 26 0
53 GRB 150211A gB 16 59 26.21 +55 23 36.2           ~ 24 0
54 Fermi bn150323395 gB 17 21 48.83 +38 19 04.6           ~ 19 0
55 Fermi bn160406503 gB 17 27 11.3 +32 15 47           ~ 4 0
56 Fermi bn090902462 gB 17 39 45.26 +27 19 28.1           ~ 440 0
57 GRB 150622B gB 17 48 12.0 +33 15 00           ~ 4 0
58 Fermi bn150318521 gB 17 56 12.0 -30 13 12           ~ 2 0
59 Fermi bn150128791 gB 18 09 04.8 +27 46 48           ~ 3 0
60 GRB 150716A gB 18 33 57.10 -12 58 48.9           ~ 16 0
61 Fermi bn150527283 gB 19 15 50.32 +04 12 06.9           ~ 21 0
62 GRB 150811A gB 19 25 21.40 -15 25 31.1           ~ 25 0
63 Fermi bn151030999 gB 19 50 31.2 +30 51 00           ~ 6 0
64 Fermi bn160107931 gB 19 58 40.8 +06 24 47           ~ 12 0
65 Fermi bn160509374 gB 20 47 00.90 +76 06 30.1           ~ 141 0
66 Fermi bn150923297 gB 21 07 12.0 +31 49 12           ~ 5 0
67 Fermi bn160315739 gB 21 19 38.4 -22 06 36           ~ 2 0
68 Fermi bn081024891 gB 21 31 36.00 +21 12 14.4           ~ 91 0
69 Fermi bn160220868 gB 21 47 33.6 +06 03 00           ~ 2 0
70 Fermi bn150530488 gB 21 50 02.94 +57 30 59.8           ~ 17 0
71 Fermi bn160624477 gB 22 00 46.21 +29 38 37.8           ~ 69 0
72 Fermi bn090510016 G 22 14 12.6230 -26 34 58.550           ~ 548 0
73 Fermi bn150721242 gB 22 16 33.6 +07 45 36           ~ 4 0
74 Fermi bn151228949 gB 22 57 41.87 +08 04 53.7           ~ 17 0
75 Fermi bn150126868 gB 23 22 00.7 -12 22 05           ~ 8 0
76 Fermi bn160215773 gB 23 47 09.6 +01 43 48           ~ 10 0
77 Fermi bn151023104 gB 23 58 57.6 -17 09 00           ~ 2 0

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