Detection, Photometry, and Slitless Radial Velocities of 197 PNe in the Elliptical Galaxy NGC 1344
Abstract
We present photometric and kinematic results obtained by measuring 197 PNe discovered in the flattened Fornax elliptical galaxy NGC 1344. We build the PN luminosity function (PNLF), which gives a distance modulus m - M = 31.4+/-0.2. From the radial velocities we obtain the line-of-sight velocity dispersion, which indicates the presence of a dark matter halo around this galaxy.
- Publication:
-
Planetary Nebulae as Astronomical Tools
- Pub Date:
- November 2005
- DOI:
- 10.1063/1.2146304
- Bibcode:
- 2005AIPC..804..324T
- Keywords:
-
- planetary nebulae;
- galaxies;
- stellar photometry;
- stellar motion;
- 98.58.Li;
- 98.52.Eh;
- 95.75.De;
- 97.10.Wn;
- Planetary nebulae;
- Elliptical galaxies;
- Photography and photometry;
- Proper motions and radial velocities;
- space motions