2025ApJ...981..192A

Query : 2025ApJ...981..192A

2025ApJ...981..192A - Astrophys. J., 981, 192 (2025/March-2)

Limits on the Low-energy Electron Antineutrino Flux from the Brightest Gamma-Ray Burst of All Time.

ABE S., ARAKI T., CHAUHAN S., CHIBA K., EDA T., EIZUKA M., FUNAHASHI Y., FURUTO A., GANDO A., GANDO Y., GOTO S., HACHIYA T., HATA K., ICHIMURA K., IKEDA H., INOUE K., ISHIDOSHIRO K., KAMEI Y., KAWADA N., KISHIMOTO Y., KOGA M., MARTHE A., MATSUMOTO Y., MITSUI T., MIYAKE H., MORITA D., NAKAJIMA R., NAKAMURA K., NAKAMURA R., NAKAMURA R., NAKANE J., ONO T., OZAKI H., SAITO K., SAKAI T., SHIMIZU I., SHIRAI J., SHIRAISHI K., SUZUKI A., TACHIBANA K., TAMAE K., WATANABE H., WATANABE K., KUROSAWA S., URANO Y., YOSHIDA S., UMEHARA S., FUSHIMI K., KOTERA K., BERGER B.E., FUJIKAWA B.K., LEARNED J.G., MARICIC J., FU Z., GHOSH S., SMOLSKY J., WINSLOW L.A., EFREMENKO Y., KARWOWSKI H.J., MARKOFF D.M., TORNOW W., DELL'ORO S., O'DONNELL T., DETWILER J.A., ENOMOTO S., DECOWSKI M.P., WEERMAN K.M., GRANT C., PENEK O., SONG H., LI A., AXANI S.N., GARCIA M., SARFRAZ M. (The KamLAND Collaboration)

Abstract (from CDS):

The electron antineutrino flux limits are presented for the brightest gamma-ray burst (GRB) of all time, GRB221009A, over a range of 1.8-200 MeV using the Kamioka Liquid Scintillator Antineutrino Detector. Using multiple time windows ranging from minutes to days surrounding the event to search for electron antineutrinos coincident with the GRB, we set an upper limit on the flux under the assumption of several power-law neutrino source spectra, with power-law indices ranging from 1.5 to 3 in steps of 0.5. No excess was observed in any time windows ranging from seconds to days around the event trigger time T₀. For a power-law index of 2 and a time window of T₀ ± 500 s, a flux upper limit of 2.34 × 10⁹ cm^–2 was calculated. The limits are compared to the results presented by IceCube.

Journal keyword(s): Gamma-ray bursts - Neutrino astronomy

Simbad objects: 1

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Number of rows : 1

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	GRB 221009A	gB	19 13 03.85	+19 46 22.7						~	433	0

Query : 2025ApJ...981..192A

Basic data :

GRB 221009A -- Gamma-ray Burst
Other object types:	`gB (GRB,Fermi)`, `X (SWIFT)`
ICRS coord. (ep=J2000) :	`19 13 03.85 +19 46 22.7 (X-ray) [ 3500 3500 ] D SWIFT`
FK4 coord. (ep=B1950 eq=1950) :	`19 10 52.86 +19 41 13.1 [ 3500 3500 ]`
Gal coord. (ep=J2000) :	`052.96008 +04.32099 [ 3500 3500 ]`
Radial velocity / Redshift / cz :	`V(km/s) 41757 [~] / z(spectroscopic) 0.1505 [~] / cz 45119 [~] D 2022GCN.32686....1C`

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GRB 221009A Fermi bn221009553 SWIFT J1913.1+1946

References (433 between 1850 and 2026) (Total 433)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : GRB 221009A

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