Planetary nebulae in face-on spiral galaxies. I. Planetary nebula photometry and distances

Kimberly A. Herrmann, Robin Ciardullo, John J. Feldmeier, Matt Vinciguerra

Research output: Contribution to journalArticle

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Abstract

As the first step to determine disk mass-to-light ratios for normal spiral galaxies, we present the results of an imaging survey for planetary nebulae (PNe) in six nearby, face-on systems: IC 342, M74 (NGC 628), M83 (NGC 5236), M94 (NGC 4736), NGC 5068, and NGC 6946. Using Blanco/Mosaic II and WIYN/OPTIC, we identify 165, 153, 241, 150, 19, and 71 PN candidates, respectively, and use the planetary nebula luminosity function (PNLF) to obtain distances. For M74 and NGC 5068, our distances of 8.6 ± 0.3 and 5.4-0.4 +0.2 Mpc are the first reliable estimates to these objects; for IC 342 (3.5 ± 0.3 Mpc), M83 (4.8 ± 0.1 Mpc), M94 (4.4 -0.2+0.1 Mpc), and NGC 6946 (6.1 ± 0.6 Mpc) our values agree well with those in the literature. In the larger systems, we find no evidence for any systematic change in the PNLF with galactic position, although we do see minor field-to-field variations in the luminosity function. In most cases, these changes do not affect the measurement of distance, but in one case the fluctuations result in a ∼0.2 mag shift in the location of the PNLF cutoff. We discuss the possible causes of these small-scale changes, including internal extinction in the host galaxies and age/metallicity changes in the underlying stellar population.

Original languageEnglish (US)
Pages (from-to)630-643
Number of pages14
JournalAstrophysical Journal
Volume683
Issue number2
DOIs
StatePublished - Aug 20 2008

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planetary nebulae
spiral galaxies
photometry
luminosity
mass to light ratios
metallicity
extinction
cut-off
galaxies
causes
shift
estimates

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

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title = "Planetary nebulae in face-on spiral galaxies. I. Planetary nebula photometry and distances",
abstract = "As the first step to determine disk mass-to-light ratios for normal spiral galaxies, we present the results of an imaging survey for planetary nebulae (PNe) in six nearby, face-on systems: IC 342, M74 (NGC 628), M83 (NGC 5236), M94 (NGC 4736), NGC 5068, and NGC 6946. Using Blanco/Mosaic II and WIYN/OPTIC, we identify 165, 153, 241, 150, 19, and 71 PN candidates, respectively, and use the planetary nebula luminosity function (PNLF) to obtain distances. For M74 and NGC 5068, our distances of 8.6 ± 0.3 and 5.4-0.4 +0.2 Mpc are the first reliable estimates to these objects; for IC 342 (3.5 ± 0.3 Mpc), M83 (4.8 ± 0.1 Mpc), M94 (4.4 -0.2+0.1 Mpc), and NGC 6946 (6.1 ± 0.6 Mpc) our values agree well with those in the literature. In the larger systems, we find no evidence for any systematic change in the PNLF with galactic position, although we do see minor field-to-field variations in the luminosity function. In most cases, these changes do not affect the measurement of distance, but in one case the fluctuations result in a ∼0.2 mag shift in the location of the PNLF cutoff. We discuss the possible causes of these small-scale changes, including internal extinction in the host galaxies and age/metallicity changes in the underlying stellar population.",
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Planetary nebulae in face-on spiral galaxies. I. Planetary nebula photometry and distances. / Herrmann, Kimberly A.; Ciardullo, Robin; Feldmeier, John J.; Vinciguerra, Matt.

In: Astrophysical Journal, Vol. 683, No. 2, 20.08.2008, p. 630-643.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Planetary nebulae in face-on spiral galaxies. I. Planetary nebula photometry and distances

AU - Herrmann, Kimberly A.

AU - Ciardullo, Robin

AU - Feldmeier, John J.

AU - Vinciguerra, Matt

PY - 2008/8/20

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N2 - As the first step to determine disk mass-to-light ratios for normal spiral galaxies, we present the results of an imaging survey for planetary nebulae (PNe) in six nearby, face-on systems: IC 342, M74 (NGC 628), M83 (NGC 5236), M94 (NGC 4736), NGC 5068, and NGC 6946. Using Blanco/Mosaic II and WIYN/OPTIC, we identify 165, 153, 241, 150, 19, and 71 PN candidates, respectively, and use the planetary nebula luminosity function (PNLF) to obtain distances. For M74 and NGC 5068, our distances of 8.6 ± 0.3 and 5.4-0.4 +0.2 Mpc are the first reliable estimates to these objects; for IC 342 (3.5 ± 0.3 Mpc), M83 (4.8 ± 0.1 Mpc), M94 (4.4 -0.2+0.1 Mpc), and NGC 6946 (6.1 ± 0.6 Mpc) our values agree well with those in the literature. In the larger systems, we find no evidence for any systematic change in the PNLF with galactic position, although we do see minor field-to-field variations in the luminosity function. In most cases, these changes do not affect the measurement of distance, but in one case the fluctuations result in a ∼0.2 mag shift in the location of the PNLF cutoff. We discuss the possible causes of these small-scale changes, including internal extinction in the host galaxies and age/metallicity changes in the underlying stellar population.

AB - As the first step to determine disk mass-to-light ratios for normal spiral galaxies, we present the results of an imaging survey for planetary nebulae (PNe) in six nearby, face-on systems: IC 342, M74 (NGC 628), M83 (NGC 5236), M94 (NGC 4736), NGC 5068, and NGC 6946. Using Blanco/Mosaic II and WIYN/OPTIC, we identify 165, 153, 241, 150, 19, and 71 PN candidates, respectively, and use the planetary nebula luminosity function (PNLF) to obtain distances. For M74 and NGC 5068, our distances of 8.6 ± 0.3 and 5.4-0.4 +0.2 Mpc are the first reliable estimates to these objects; for IC 342 (3.5 ± 0.3 Mpc), M83 (4.8 ± 0.1 Mpc), M94 (4.4 -0.2+0.1 Mpc), and NGC 6946 (6.1 ± 0.6 Mpc) our values agree well with those in the literature. In the larger systems, we find no evidence for any systematic change in the PNLF with galactic position, although we do see minor field-to-field variations in the luminosity function. In most cases, these changes do not affect the measurement of distance, but in one case the fluctuations result in a ∼0.2 mag shift in the location of the PNLF cutoff. We discuss the possible causes of these small-scale changes, including internal extinction in the host galaxies and age/metallicity changes in the underlying stellar population.

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