1996A&AS..120C.265D

Query : 1996A&AS..120C.265D

1996A&AS..120C.265D - Astron. Astrophys., Suppl. Ser., 120C, 265-268 (1996/December-3)

On the 7Be* and 7Li* de-excitation lines as a possible explanation of the gamma-ray feature observed in Nova Muscae1991.

DUROUCHOUX P., VIAUD P., WALLYN P. and MAHONEY W.A.

Abstract (from CDS):

We consider two different models to explain the gamma-ray feature detected on Nova Muscae 1991: a thermal electron-positron plasma and α-α reactions. In the first case, a direct fit to the data using the detailed model spectrum developed by Svensson (1983ApJ...270..300S) gives a redshifted line (z=0.048+0.017–0.027) coming from a relatively low temperature pair plasma (T∼4x107K). In the second case, a Monte Carlo simulation of 7Be*-7Li* de-excitation lines following Ramaty et al. (1979ApJS...40..487R) (RKL79 hereafter), gives a best fit model with monoenergetic and isotropic α particles of ∼10-25 MeV/nucleon or power-law distributions of isotropic α particles with index of ∼2 to 3.

Abstract Copyright: ∼

Journal keyword(s): gamma rays: theory - black hole physics - line: formation - nuclear reactions - X-ray sources: GRS 1124-68 (Granat 1124-68)

CDS comments: Special Issue "3rd Compton Symposium"

Simbad objects: 2

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Number of rows : 2
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 V* GU Mus HXB 11 26 26.5961559600 -68 40 32.877752952           K3V-K7V 734 1
2 2E 3938 HXB 17 43 54.7 -29 44 44           ~ 693 1

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