SIMBAD references

1996A&A...310..715C - Astronomy and Astrophysics, volume 310, 715-721 (1996/6-3)

The Tucana dwarf Galaxy.


Abstract (from CDS):

We present deep CCD photometry for the dwarf galaxy in Tucana (l=323, b=-47.4). The data indicate that the galaxy is dominated by an intermediate/old stellar population with metallicity similar to that of the galactic globular clusters NGC 6752 and NGC 7089 (M2) (we find [Fe/H]≃-1.56). The distance modulus we derived, (m-M)V≃24.72±0.2, makes clear that this galaxy belongs to the Local Group. Tucana is clearly different from other dwarf galaxies, such as Leo I (Lee et al. 1993b), or Phoenix (Ortolani and Gratton 1988), because there is no evidence of a young stellar population (t≤5Gyrs) We suggest that the Tucana Galaxy is a genuine dwarf spheroidal in which no recent burst of star formation occurred.

Abstract Copyright:

Journal keyword(s): stars: HR-diagrams - stars: luminosity functions - galaxies: elliptical - galaxies: stellar content - galaxies: individual: Tucana dwarf

VizieR on-line data: <Available at CDS (J/A+A/310/715): tucana.dat>

Nomenclature: Table 2: [CMB96] NNN (Nos 1-940).

Simbad objects: 12

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