1994A&A...292..569L

Query : 1994A&A...292..569L

1994A&A...292..569L - Astronomy and Astrophysics, volume 292569-579 (1994/12-2)

COMPTEL upper limits on gamma-ray line emission from Supernova 1991T.

LICHTI G.G., BENNETT K., DEN HERDER J.W., DIEHL R., MORRIS D., RYAN J., SCHOENFELDER V., STEINLE H., STRONG A.W. and WINKLER C.

Abstract (from CDS):

The imaging Compton telescope COMPTEL on board of the Compton Gamma-Ray Observatory (CGRO) measures γ-rays in the energy range 0.75-30MeV with an energy resolution of 9.7% FWHM at 1MeV. From June 15 to 28, 1991 and again from October 3 to 17, 1991 the region containing the supernova SN 1991T was observed. A search for γ-ray line emission from the supernova yields no detection of line emission from the supernova. 2σ upper limits for the two predicted lines at 847keV and at 1.238MeV of ≃3.10–5photons/(cm2.s) were derived. These limits are compared with the predictions of some theoretical models and constraints imposed by these limits on these models are discussed.

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Journal keyword(s): gamma-rays - gamma-ray lines - nucleosynthesis - supernovae - SN 1991T

Simbad objects: 6

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Number of rows : 6
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 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 6022 1
2 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
3 NGC 4527 AGN 12 34 08.49600 +02 39 13.7160   12.4       ~ 549 2
4 SN 1991T SN* 12 34 10.20 +02 39 56.4   11.70 11.51     SNIapec 795 1
5 NAME Centaurus A BLL 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4774 3
6 SN 1986G SN* 13 25 36.46 -43 01 53.6   12.45 11.44     SNIapec 422 1

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