H-alpha observations of the HH objects in the NGC 7129 field

Details H-alpha observations of the HH objects in the NGC 7129 field H-alpha observations of the HH objects in the NGC 7129 field

Nov 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...291..928m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 291, no. 3, p. 928-934

Astronomy and Astrophysics

Astrophysics

3

H Alpha Line, Herbig-Haro Objects, Interstellar Matter, Star Clusters, Data Reduction, Fabry-Perot Interferometers, Spectrum Analysis, Velocity Distribution

Scientific paper

We have studied the HH objects around NGC7129 using H-alpha emission profiles, obtained with the CIGALE scanning Perot-Fabry interferometer. From these, we have derived the position dependence of line profiles, centroid velocities and velocity dispersion. HH 103 and GGD 35 have broad and double-peaked profiles. One extended arc-shaped HH object was also confirmed. The shock velocities and orientation angles are calculated from profiles and compared with observations.

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