Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...113..170h&link_type=abstract
Astronomy and Astrophysics, vol. 113, no. 1, Sept. 1982, p. 170-172.
Astronomy and Astrophysics
Astrophysics
1
Absorption Spectra, Formaldehyde, Molecular Clouds, Red Giant Stars, S Stars, Line Spectra, Milky Way Galaxy, Radial Velocity, Radio Spectra, Shock Fronts, Stellar Evolution, Stellar Spectrophotometry
Scientific paper
6 cm H2CO absorption line observations in the direction of S 128 are presented. Using these and other published data it is proposed that the S 128 complex belongs to the Perseus spiral arm, but possesses a rather large peculiar radial velocity of -20 km/sec. The star formation in the complex is ascribed to a local event where a local shock front happened to compress a lump of material at the fringes of the spiral arm.
Heske Astrid
Wendker Heinrich J.
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