2016ApJ...820L..36S

Query : 2016ApJ...820L..36S

2016ApJ...820L..36S - Astrophys. J., 820, L36 (2016/April-1)

INTEGRAL upper limits on gamma-ray emission associated with the gravitational wave event GW150914.

SAVCHENKO V., FERRIGNO C., MEREGHETTI S., NATALUCCI L., BAZZANO A., BOZZO E., BRANDT S., COURVOISIER T.J.-L., DIEHL R., HANLON L., VON KIENLIN A., KUULKERS E., LAURENT P., LEBRUN F., ROQUES J.P., UBERTINI P. and WEIDENSPOINTNER G.

Abstract (from CDS):

Using observations of the INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL), we place upper limits on the gamma-ray and hard X-ray prompt emission associated with the gravitational wave event GW150914, which was discovered by the LIGO/Virgo Collaboration. The omnidirectional view of the INTEGRAL/SPI-ACS has allowed us to constrain the fraction of energy emitted in the hard X-ray electromagnetic component for the full high-probability sky region of LIGO triggers. Our upper limits on the hard X-ray fluence at the time of the event range from Fγ = 2 x 10–8 erg/cm2 to Fγ = 10–6 erg/cm2 in the 75 keV-2 MeV energy range for typical spectral models. Our results constrain the ratio of the energy promptly released in gamma-rays in the direction of the observer to the gravitational wave energy Eγ/EGW < 10–6. We discuss the implication of gamma-ray limits for the characteristics of the gravitational wave source, based on the available predictions for prompt electromagnetic emission.

Abstract Copyright: ∼

Journal keyword(s): gamma-ray burst: general - gravitational waves

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 GrW 150914 GWE ~ ~           ~ 674 1

Query : 2016ApJ...820L..36S

Basic data :
GrW 150914 -- Gravitational Wave Event
Other object types: otypes_help 		GWE (GrW)
ICRS coord. (ep=J2000) : 		No Coord.
Radial velocity / Redshift / cz : 		V(km/s) 25772 [~] / z(~) 0.09 [~] / cz 26981 [~]
   E 2016ApJ...823L..25K
notes:

Identifiers (3) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

GrW 150914 095045 GrW 150914 NAME GW150914

References (674 between 1850 and 2026) (Total 674)
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