Integrated spectral energy distributions and absorption-feature indices of single stellar populations
نویسندگان
چکیده
منابع مشابه
Evolutionary Population Synthesis for Binary Stellar Population at High Spectral Resolution: Integrated Spectral Energy Distributions and Absorption-feature Indices
Using evolutionary population synthesis we present high resolution (0.3 Å) integrated spectral energy distributions from 3000 to 7000 Å and absorption-line indices defined by the Lick Observatory image dissector scanner (referred to as the Lick/IDS) system, for an extensive set of instantaneous burst binary stellar populations with binary interactions. The ages of the populations are in the ran...
متن کاملThe Stellar Populations of Spiral Disks.ii. Measuring and Modeling the Radial Distribution of Absorption Spectral Indices
The radial distributions of the Mg2 and Fe5270 Lick spectral indices have been measured to large radial distances on the disks of NGC 4303 and NGC 4535 using an imaging technique based on interference filters. These data, added to those of NGC 4321 previously published in Paper I of this series are used to constraint chemical (multiphase) evolutionary models for these galaxies. Because the inte...
متن کاملPrincipal Component Analysis for Spectral Indices of Stellar Populations
We apply the method of principal component analysis to a sample of simple stellar population to select some age sensitive spectral indices. Besides the well-known age sensitive index, Hβ, we find some other spectral indices have great potential to determine the age of stellar population, such as G4300, Fe4383, C24668, and Mgb. In addition, we find these spectral indices sensitivity to age depen...
متن کاملRadial distributions of spectral absorption indices in spiral disks
We present a grid of 440 spectro-photometric models for simulating spiral and irregular galaxies. They have been consistently calculated with evolutionary synthesis models which use as input the information proceeding from chemical evolution models. The model predictions are spectral energy distributions, brightness and color profiles and radial distributions of spectral absorption stellar indi...
متن کاملModeling the Stellar Spectral Energy Distributions of Star-Forming Galaxies
I will review recent progress in the modeling of the stellar spectral energy distributions of star-forming galaxies. I will cover the full relevant wavelength range from the near-infrared to the extreme ultraviolet, with an emphasis on the ultraviolet longand shortward of the Lyman break where most of the stellar luminosity is emitted. Uncertainties in stellar atmosphere and evolution models wi...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 2004
ISSN: 0035-8711,1365-2966
DOI: 10.1111/j.1365-2966.2004.07682.x