Infrared imaging of Herbig-Haro energy sources.

Details Infrared imaging of Herbig-Haro energy sources. Infrared imaging of Herbig-Haro energy sources.

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26a...301..721m&link_type=abstract

Astronomy and Astrophysics, v.301, p.721

Astronomy and Astrophysics

Astrophysics

23

Stars: Formation, Stars: Pre-Main Sequence, Ism: Jets And Outflows, Infrared: Stars

Scientific paper

We present near-infrared (1-2.5μm) images of fields near the Herbig-Haro objects HH 24, HH 34, HH 43, HH 83, HH 89, HH 91, and HH 124, which have been obtained in order to search for their energy sources and to determine the location of the latter relative to the Herbig-Haro objects themselves, to measure their near-infrared colors, and to study their immediate environments. We provide J, H, and K photometry of the sources, and discuss their near-infrared energy distribution with the aid of a (J-H) vs. (H-K) diagram. Energy sources for all but HH 91 were detected and studied. Those of HH 89 and of HH 124 are new detections, the source HH 83 IRS is found to be better aligned with the HH 83 jet than previously thought, and HH 34 IRS has brightened by about 0.5 mag in all filters. In HH 91 the bright knot where the energy source was expected was found to have colors typical of pure H_2_ emission. All of the energy sources are intimately associated with nebulosity.

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