A Radio Survey of Southern Herbig Haro Objects

Details A Radio Survey of Southern Herbig Haro Objects A Radio Survey of Southern Herbig Haro Objects

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...193.1703l&link_type=abstract

American Astronomical Society, 193rd AAS Meeting, #17.03; Bulletin of the American Astronomical Society, Vol. 30, p.1278

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We conducted a radio survey of emission around Herbig Haro objects in the Southern Hemisphere using the Australia Telescope Compact Array. Herbig Haro objects are optical manifestations of the highly collimated bipolar jets of material ejected from young stars, and locating the energy sources can give us a better understanding of the outflow phenomenon. We surveyed 22 fields at 6cm and 3cm, and we detected 68 sources, of which many exhibit a possibly flat or rising spectral index, characteristic of the free-free emission associated with protostars. Five of the detected sources, in the fields of HH47, HH132, HH48, E Cha N and DC297, are coincident with IRAS sources, making them likely candidates for outflow sources.

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