Mapping the structure of the southern Milky Way

Details Mapping the structure of the southern Milky Way Mapping the structure of the southern Milky Way

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989rmxaa..19...57w&link_type=abstract

(Chile, una ventana de la astronomia optica; Coloquio, Santiago, Chile, Jan. 11-13, 1989) Revista Mexicana de Astronomia y Astro

Astronomy and Astrophysics

Astronomy

3

Astrometry, Galactic Structure, Milky Way Galaxy, Red Giant Stars, Stellar Spectrophotometry, Supergiant Stars, Charge Coupled Devices, M Stars, Spiral Galaxies, Stellar Luminosity

Scientific paper

A program for finding, classifying, and determining the distances to faint red supergiants in the southern Galaxy is described. The project is being carried out entirely from Chile and has more than doubled the number of known M-type supergiants in the Galaxy. The principles of using narrow-band photometry of red supergiants to map the spiral-arm structure of the Galaxy are described and compared to the methods used in previous work.

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