The giant branch of Fornax

Details The giant branch of Fornax The giant branch of Fornax

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...232...84d&link_type=abstract

Astrophysical Journal, Part 1, vol. 232, Aug. 15, 1979, p. 84, 85, 87-90. Research supported by the National Research Council o

Astronomy and Astrophysics

Astrophysics

37

Astronomical Photography, Colorimetry, Elliptical Galaxies, Red Giant Stars, Stellar Magnitude, Abundance, Astronomical Catalogs, Color-Magnitude Diagram, Electrophotometers, Photographic Plates

Scientific paper

The color-magnitude diagram of the giant branch of the Fornax system is presented. Photographic observations secured at Cerro Tololo and at Las Campanas are calibrated with a photoelectric sequence to V = 19.70. A wide giant branch comparable to the giant branch of Omega Cen is observed. The dispersion suggests the existence of a range of abundances among the Fornax stars. A newly defined parameter measuring the slope of the upper giant branch, is used to compare the giant branch of Fornax with those of Population II systems.

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