1995A&A...297L..29O

Query : 1995A&A...297L..29O

1995A&A...297L..29O - Astronomy and Astrophysics, volume 297L29-32 (1995/5-2)

COMPTEL upper limits to MeV emission from the globular cluster 47 Tucanae.

O'FLAHERTY K.S., BENNETT K., DIEHL R., HERMSEN W., McCONNELL M., RYAN J., SCHOENFELDER V. and WINKLER C.

Abstract (from CDS):

The nearby globular cluster 47 Tucanae was observed by the CGRO COMPTEL instrument for several weeks during 1991 to 1993. These observations yield no evidence for MeV γ-ray emission from this object, giving upper limits lower than previous measurements. From our MeV emission constraint, we place upper limits to the MeV photon flux from known millisecond pulsars in this globular cluster. We also estimate the maximum number of ablating objects (similar to PSR B1957+20) in the cluster, and the number of hidden millisecond pulsars.

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Journal keyword(s): gamma-rays: observations - globular clusters: individual: 47 Tucanae - pulsars: general

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 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
2 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
3 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
4 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2446 1
5 PSR B1744-24A Psr 17 48 02.249 -24 46 37.65           ~ 235 0
6 PSR J1959+2048 Psr 19 59 36.7643141520 +20 48 14.896407996   21.08 20.16 19.53 18.79 G: 854 3

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