Stellar Populations of Bulges and Disks: New Insights from Near-IR Colours

Details Stellar Populations of Bulges and Disks: New Insights from Near-IR Colours Stellar Populations of Bulges and Disks: New Insights from Near-IR Colours

1995-09-26

arxiv.org/abs/astro-ph/9509131v2

Astronomy and Astrophysics

Astrophysics

8 pages uuencoded compressed postscript. Fig. 1 available by anonymous ftp from ftp://iac.es/pub/rpelet/spir/figspi.ps.Z Invit

Scientific paper

Colours of spiral galaxies generally are affected by the underlying old stellar population, younger stars, and extinction by dust. Old and young populations generally can be disentangled using a combination of blue and near-infrared colours. Extinction effects are very hard to take into account, except for galaxies with special orientations. In this paper we give some results of one of the first studies of galactic bulges and disks in various optical and near-infrared bands, and its implications for the stellar populations of spirals.

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