Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...281..864m&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 281, no. 3, p. 864-870
Astronomy and Astrophysics
Astrophysics
8
Herbig-Haro Objects, Reflection Nebulae, Star Formation, Stellar Mass Ejection, T Tauri Stars, Astronomical Spectroscopy, Emission Spectra, Line Spectra, Silicon
Scientific paper
We present CCD images and long-slit spectra of the nebulous object GGD 33 and of the T Tauri star V 350 Cep in the star formation region NGC 7129. The data suggest that GGD 33a is a T Tauri star and likely the illuminating source of the whole GGD 33. Evidence of variablility of GGD 33a is presented. Double-peaked (S II) emission lines are observed in GGD 33a. The high-velocity component of the (S II) emission could be related to a Herbig-Haro (HH) jet-like outflow observed very close to the star. V 350 Cep is embedded in a reflection nebulosity. High velocity mass outflow, detected through its blueshifted H-alpha emission, seems to emanate from V 350 Cep. The spectrum of V 350 Cep presents a large number of permitted emission lines, but, except (S II), no forbidden emission lines have been identified in our spectra.
Eiroa Carlos
Fernández Manuel
Gomez de Castro Ana Ines
Miranda Luis F.
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