SIMBAD references

1995A&A...303..872C - Astronomy and Astrophysics, volume 303, 872-880 (1995/11-3)

On the origin of the γ-ray fields in the Ara region.


Abstract (from CDS):

We report and discuss results of 1435MHz observations of the continuum emission from the Ara region. Using data from the previous 408MHz all-sky survey by Haslam et al. (1981) we have computed the spectral index distribution in the region. After the subtraction of a background component, several interesting features can be observed at both frequencies. We pay particular attention to an extended nonthermal source which is coincident with a strong γ-ray emission zone at 10deg from the galactic plane. We suggest that this feature could be the result of the interaction of a supernova remnant (SNR) with an interstellar cloud. Our interpretation can explain both the nonthermal nature of the radio source as well as the enhancement in the γ-ray flux. Several parameters are estimated for this context and other possible interpretations are briefly discussed.

Abstract Copyright:

Journal keyword(s): ISM: supernova remnants, clouds - radio continuum: ISM - gamma rays: observations

Nomenclature: NAME ARA 335-11, Table 1: [CR95] NN (Nos 1-30)

CDS comments: PKS 1610-60 = PKS 1610-607

Simbad objects: 35

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