Shell galaxies detected with IRAS

Details Shell galaxies detected with IRAS Shell galaxies detected with IRAS

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.228..933w&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 228, Oct. 15, 1987, p. 933-940.

Astronomy and Astrophysics

Astronomy

12

Galactic Radio Waves, Infrared Astronomy Satellite, Radio Sources (Astronomy), Flux Density, Interstellar Matter

Scientific paper

Evidence is sought for the addition of external material in infrared IRAS data in order to test the triggering of radio emission in a larger galaxy by addition of material from a smaller galaxy as a mechanism for the formation of shells around some E and S0 galaxies. IRAS shell galaxies which are infrared sources are found to be radio sources of more than 0.6 mJy at 6 cm. Results show that most of the shell galaxies are normal early-type galaxies whose emission mechanism is probably the reradiation from dust grains heated by normal late-type stellar radiation.

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