A catalog of planetary nebula candidates in the Sculptor spiral galaxy NGC300

O III 5007 Aa on-band and off-band images, obtained with the Very Large Telescope and FORS 2 spectrograph in two zones of the spiral galaxy NGC 300, are analyzed searching for emission line objects. In particular, the authors search for planetary nebula (PN) candidates to analyze their distribution...

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Bibliographic Details
Published in:Astronomy and astrophysics (Berlin) 2012-11, Vol.547, p.1-1
Main Authors: Pena, M, Reyes-Perez, J, Hernandez-Martinez, L, Perez-Guillen, M
Format: Article
Language:English
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Summary:O III 5007 Aa on-band and off-band images, obtained with the Very Large Telescope and FORS 2 spectrograph in two zones of the spiral galaxy NGC 300, are analyzed searching for emission line objects. In particular, the authors search for planetary nebula (PN) candidates to analyze their distribution and luminosity properties, to perform follow-up spectroscopy, and to study the planetary nebula luminosity function, PNLF. In the continuum-subtracted images, a large number of emission line objects were detected. From this sample they selected those objects with stellar appearance and no detectable central star as PN candidates. O III 5007 Aa instrumental magnitudes were measured and calibrated by using spectrophotometric data from the follow-up spectroscopy. They have identified more than a hundred PN candidates and many compact HII regions. The PN sample is the largest one reported for this galaxy so far. For all the objects we present coordinates, instrumental O III 5007 magnitudes, and apparent nebular O III 5007 fluxes and magnitudes.
ISSN:0004-6361
1432-0746
DOI:10.1051/0004-6361/201219490