Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pasp..102..117h&link_type=abstract
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 102, Feb. 1990, p. 117-123.
Astronomy and Astrophysics
Astronomy
4
Herbig-Haro Objects, Molecular Clouds, Nebulae, Star Formation, Stellar Winds, Absorption Spectra, Astronomical Spectroscopy, Charge Coupled Devices, Emission Spectra, Forbidden Bands, Infrared Sources (Astronomy), T Tauri Stars
Scientific paper
Imaging and spectroscopic observations of HH55 in the Lupus molecular cloud are presented. Cohen and Schwartz (1987) have shown that HH55 is apparently not excited by the nearby T Tau star RU Lup as once thought but rather by the coincident FIR point source 15533 - 3742 extracted from IRAS coadded images. The optical counterpart of this IR source is identified as an active, relatively unobscured M-dwarf star. The forbidden emission lines observed in the stellar spectrum exhibit slight asymmetries to blueshifted velocities. Deconvolution of the emission lines reveals a weak moderate-velocity (-100 km/sec) wind component and a stronger emission component whose velocity is very close to that of the star.
Graham John A.
Heyer Mark H.
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