A colour-magnitude diagram of the Pisces dwarf galaxy

Details A colour-magnitude diagram of the Pisces dwarf galaxy A colour-magnitude diagram of the Pisces dwarf galaxy

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996an....317..179t&link_type=abstract

Astronomische Nachrichten, vol. 317, no. 3, p. 179.

Mathematics

Logic

5

Scientific paper

We present B,\ V and R band CCD images of the dwarf galaxy LGS-3 (Pisces dwarf). About 180 stars and diffuse objects were found and processed in these frames. The colour-magnitude diagram shows a prominent red giant branch and a few blue stars only. Details of the morphological properties and colour-magnitude diagram indicate to an intermediate (between dIrr and dSph) type of LGS-3. We estimate the galaxy distance modulus to be about (m-M)_0=23.9+/- 0.3 mag on the basis of the tip of the red giant branch. We measured the galaxy colour to be about bv =0.8 mag and the linear diameter 700 pc, which is the smallest one in the Local group.

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