Supernova remnants, planetary nebulae and the distance to NGC 4214

Details Supernova remnants, planetary nebulae and the distance to NGC 4214 Supernova remnants, planetary nebulae and the distance to NGC 4214

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ap%26ss.330..123d&link_type=abstract

Astrophysics and Space Science, Volume 330, Issue 1, pp.123-131

Astronomy and Astrophysics

Astrophysics

2

Supernovae: General, Ism: Structure, Supernova Remnants, Stars: Planetary Nebulae, Galaxies: Ism, Starburst, Structure

Scientific paper

We present narrow band, continuum subtracted H α, [S ii], H β, [O iii] and [O ii] data taken with the Wide Field Camera 3 on the Hubble Space Telescope in the nearby dwarf starburst galaxy NGC 4214. From these images, we identify seventeen new planetary nebula candidates, and seven supernova remnant candidates. We use the observed emission line luminosity function of the planetary nebulae to establish a new velocity-independent distance to NGC 4214. We conclude that the PNLF technique gives a reddening independent distance to NGC 4214 of 3.19±0.36 Mpc, and that our current best-estimate of the distance to this galaxy ids 2.98±0.13 Mpc.

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