A new member of the Local Group - The Tucana dwarf galaxy

Details A new member of the Local Group - The Tucana dwarf galaxy A new member of the Local Group - The Tucana dwarf galaxy

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....103...81l&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 103, Jan. 1992, p. 81-83.

Astronomy and Astrophysics

Astronomy

34

Color-Magnitude Diagram, Dwarf Galaxies, Local Group (Astronomy), Charge Coupled Devices, Galactic Evolution, Sky Surveys (Astronomy)

Scientific paper

Observations are presented of the recently discovered dwarf galaxy in Tucana, which is a likely member of the Local Group. The system is highly flattened and it is classified as dE5. An upper limit on the distance modulus of 24.75 is determined from a V, V-I color-magnitude diagram. This galaxy has a B-R color of 1.1, and, with the upper limit to the distance modulus, an absolute R magnitude of -10. This apparently isolated dwarf system, being on the opposite side of the Milky Way from most of the Local Group, may provide important constraints on Local Group dynamics.

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