The PNLF distance to the Sculptor Group galaxy NGC 55

Details The PNLF distance to the Sculptor Group galaxy NGC 55 The PNLF distance to the Sculptor Group galaxy NGC 55

2004-07-16

arxiv.org/abs/astro-ph/0407348v2

Astronomy and Astrophysics

Astrophysics

5 pages and 2 figures - A contribution to the ESO Intl. Workshop on "Planetary Nebulae beyond the Milky Way", Garching (German

Scientific paper

We identified 21 new Planetary Nebula (PN) candidates in the Sculptor Group galaxy NGC 55. We determined a most likely distance of 2.00 +/- 0.2 Mpc using the Planetary Nebulae Luminosity Function (PNLF) method. The distance to NGC 55 is larger than previously determined distances, which means that the Sculptor Group is a bit further away from the Local Group than previously thought. The distance to NGC 55 is again similar to the distance of NGC 300, adding support to the suggestion that these galaxies form a bound pair.

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