The spur-like radio feature in Centaurus

Details The spur-like radio feature in Centaurus The spur-like radio feature in Centaurus

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...333..298c&link_type=abstract

Astronomy and Astrophysics, v.333, p.298-304 (1998)

Astronomy and Astrophysics

Astrophysics

7

Radio Continuum: Ism, Ism: Structure, Ism: Supernova Remnants

Scientific paper

We present a study of the radio emission of the Centaurus region at galactic latitudes 2(deg) <= b <= 18(deg) , using pre-existing 408MHz continuum data and results of new 1.42GHz continuum and neutral hydrogen line observations. It is shown that the extensive spur-like radio feature visible in this region has a non-thermal nature and is actually formed by several previously unidentified individual sources. Five new supernova remnant (SNR) candidates have been detected at relatively high latitudes. Three of them, as well as two former candidates reported by Duncan et al. (1995), were confirmed through the computation of their spectral indices. One of the new SNRs, G315.4+12.9, might be associated with the open cluster NGC 5460.

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