NIR Spectroscopy and Molecular Shocks in Herbig-Haro 1

Details NIR Spectroscopy and Molecular Shocks in Herbig-Haro 1 NIR Spectroscopy and Molecular Shocks in Herbig-Haro 1

Nov 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.233...63n&link_type=abstract

Astrophysics and Space Science, Volume 233, Issue 1-2, pp. 63-66

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

Near Infrared spectroscopic observations (1.2 2.4µm) of two condensations (HH 1A & HH 1G) of Herbig-Haro object 1 are used to explore the nature of its molecular shocks and extinction. The H2 emission lines display a more complex behaviour than that accounted for C or J type shock models. The extinction, determined from the ratio of [Fe II] 1.257 & 1.644µm, is higher than what is expected from optical [S II] measurements, and it may indicate real discrepancies between the optical and IR regions of the ISM extinction curve.

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