Galactic structure and star formation in the Carina spiral arm

Details Galactic structure and star formation in the Carina spiral arm Galactic structure and star formation in the Carina spiral arm

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978crasb.286..293a&link_type=abstract

Academie des Sciences (Paris), Comptes Rendus, Serie B - Sciences Physiques, vol. 286, no. 21, May 29, 1978, p. 293-296. In Fre

Physics

1

Galactic Structure, Spiral Galaxies, Star Formation, Stellar Spectrophotometry, Chronology, Interstellar Gas, Interstellar Matter, Radial Velocity, Shock Waves, Star Clusters, Wave Fronts

Scientific paper

Spectrographic and photometric data are used to resolve several complexes of very young stars and interstellar matter in the Carina spiral arm. There is a positive difference between the radial velocities of the stars and the gas (ionized calcium and hydrogen), the difference is maximum along the inner edge of the spiral arm. It is suggested that this radial velocity difference indicates the recent passage of a shock wave responsible for star formation.

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