Radio observations of the filamentary nebula G2.4 + 1.4

Details Radio observations of the filamentary nebula G2.4 + 1.4 Radio observations of the filamentary nebula G2.4 + 1.4

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.225..221g&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 225, March 1, 1987, p. 221-225.

Astronomy and Astrophysics

Astronomy

15

Astronomical Spectroscopy, Linear Polarization, Nebulae, Radio Spectra, Supernova Remnants, Filaments, H Alpha Line, Spectral Resolution, Visible Spectrum

Scientific paper

New radio observations of the suspected supernova remnant G2.4 + 1.4 made at 4.86 GHz with a resolution of 11 x 31 sq arcsec are presented. These reveal a remarkable radio structure with curved filaments which correspond closely with the optical emission in H-alpha and forbidden O III lines. No significant linear polarization is detected. The radio continuum spectrum of G2.4 + 1.4 and its nature, as either a wind-blown bubble, or a supernova remnant (whether a conventional SNR, one dominated by twin-beams from a central source, or by a high-velocity accreting binary system) are discussed. The former interpretation is preferred, as there is no substantive evidence that any more exotic mechanism is required.

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