Abstract
We report preliminary results of the characterization of bulge and inner disk stellar populations for 8 nearby spiral galaxies using Gemini/GMOS. The long-slit spectra extend out to 12 disk scale lengths with S/N/>50. Two different model fitting techniques, absorption-line indices and full spectral synthesis, are found to weigh age, metallicity, and abundance ratios differently, but with careful attention to the data/model matching (resolution & flux calibration), we are able constrain real signatures of age and metallicity gradients in star-forming galaxies.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 480-484 |
| Number of pages | 5 |
| Journal | Proceedings of the International Astronomical Union |
| Volume | 2 |
| Issue number | S241 |
| DOIs | |
| State | Published - Dec 2006 |
| Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Astronomy and Astrophysics
- Space and Planetary Science
Keywords
- Galaxies: abundances
- Galaxies: formation
- Galaxies: spiral