Hubble Space Telescope Imaging of Herbig-Haro Object No. 2

Details Hubble Space Telescope Imaging of Herbig-Haro Object No. 2 Hubble Space Telescope Imaging of Herbig-Haro Object No. 2

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...182.6207s&link_type=abstract

American Astronomical Society, 182nd AAS Meeting, #62.07; Bulletin of the American Astronomical Society, Vol. 25, p.904

Astronomy and Astrophysics

Astronomy

Scientific paper

Images of HH 2 obtained with the Planetary Camera of the Hubble Space Telescope are presented and discussed. The images, obtained in the emission lines of Hα , [S II], and [O III] at a scale of 0.044 arcsec pixel(-1) , have been registered to within 11 mas, and the spherically-aberrated images have been restored with the Richardson-Lucy algorithm. The A and H complexes in HH 2, which appear as somewhat extended (2\asec - 3\asec), amorphous features on ground-based images, are found to resolve into a rich array of structures with sizes in the range 0.2\asec - 0.4\asec, embedded within faint extended emission. A wide range of excitation is evident throughout each complex. Although a few of the structures are suggestive of bow shock geometry, most of the features appear chaotic with complex excitation structure. It is tentatively suggested that the features in HH 2 may be the result of the fragmentation of a bow wave. This work was supported by STScI grant GO-2243.01.

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