Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...263l..73d&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 263, Dec. 15, 1982, p. L73-L77.
Astronomy and Astrophysics
Astrophysics
95
Accretion Disks, Herbig-Haro Objects, Stellar Evolution, Stellar Mass Ejection, Stellar Models, Stellar Spectrophotometry, Early Stars, Emission Spectra, Line Spectra, Nebulae, Radial Velocity, T Tauri Stars, Velocity Measurement
Scientific paper
A new Herbig-Haro Object (HH 47C) has been discovered in the system HH 46/47. Radial velocity measurements indicate that HH 47A is approaching at -128 km/s, whereas HH47C is receding at 105 km/s. Both components appear to have been driven clear in opposite directions from a small dark cloud which harbors HH 46 on a direct line between HH 47A and HH 47C. HH 46 exhibits a combined HH emission spectrum and a T Tauri star reflection spectrum. New spectrophotometric measurements of HH 47C and HH 47D (a 'bubble' nebula surrounding HH 47A) are also presented. A model is presented wherein the HH objects are produced by bipolar ejection from a T Tauri star embedded in an accretion disk.
Dopita Mike A.
Evans Ian
Schwartz Richard D.
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