The Leo I color-magnitude diagram

Details The Leo I color-magnitude diagram The Leo I color-magnitude diagram

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aj....101.1299r&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 101, April 1991, p. 1299-1303.

Astronomy and Astrophysics

Astronomy

22

Color-Magnitude Diagram, Dwarf Galaxies, Red Giant Stars, Abundance, Astronomical Photometry, Asymptotic Giant Branch Stars, Charge Coupled Devices, Local Group (Astronomy), Stellar Luminosity

Scientific paper

The R-and I-band photometry of the Leo I dwarf galaxy is presented. A relatively narrow giant branch is found, Implying an abundance range of no more than Fe/H/= - 0.7 to - 1.3. This is in contrast to the results is found by Fox and Pritchet (1987) from BV CCD photometry. The distance modulus is estimated as (m - M) = 21.85 + or - 0.15, based on the luminosity of the tip of the red giant branch.

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