Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997arep...41..483m&link_type=abstract
Astronomy Reports, Volume 41, Issue 4, July 1997, pp.483-491
Astronomy and Astrophysics
Astronomy
4
Scientific paper
Manifestations of pre-main-sequence stellar activity in the star-forming region NGC 7129 are investigated using new observations and data from the literature. The spectrum of HH 105 has been obtained for the first time and confirms this to be a Herbig-Haro object with extremely low excitation and almost negligible radial velocity. The internal structure of GGD 35 is studied; in particular, emission line splitting has been detected at the northwest (trailing) edge of the object. The velocity field in clumps in GGD 34 is analyzed and is confirmed to have a sinusoidal character. Other HH objects are briefly discussed. All reflection and cometary nebulae included in the NGC 7129 group are investigated. All T Tauri stars detected in this region to date are listed, and the Hα emission line profiles of some are described. The complex nature of the interaction of collimated outflows with the interstellar medium is emphasized.
Magakian Tigran Yu.
Movsesian T. A.
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