Near-infrared spectroscopy of post-starburst galaxies: a limited impact of TP-AGB stars on galaxy spectral energy distributions

Near-infrared spectroscopy of post-starburst galaxies: a limited impact of TP-AGB stars on galaxy spectral energy distributions

We present Very Large Telescope Infrared Spectrometer And Array Camera (ISAAC) near-infrared (NIR) spectrophotometric observations of 16 post-starburst galaxies aimed at constraining the debated influence of thermally pulsing asymptotic giant branch (TP-AGB) stars on the spectral energy distribution...

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Veröffentlicht in:Monthly notices of the Royal Astronomical Society 2013-01, Vol.428 (2), p.1479-1497
Hauptverfasser: Zibetti, Stefano, Gallazzi, Anna, Charlot, Stéphane, Pierini, Daniele, Pasquali, Anna
Format: Artikel
Sprache:eng
Schlagworte:
Astrophysics
Luminosity
Molecules
Sciences of the Universe
Spectrum analysis
Star & galaxy formation
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Zusammenfassung:We present Very Large Telescope Infrared Spectrometer And Array Camera (ISAAC) near-infrared (NIR) spectrophotometric observations of 16 post-starburst galaxies aimed at constraining the debated influence of thermally pulsing asymptotic giant branch (TP-AGB) stars on the spectral energy distribution (SED) of galaxies with stellar ages between 0.5 and 2 Gyr, hence critical for high-redshift studies. Post-starburst galaxies are characterized by negligible ongoing star formation and a SED dominated by the stellar population formed in a recent (
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/sts126