Bibcode
Testi, Leonardo; D'Antona, Francesca; Ghinassi, Francesca; Licandro, Javier; Magazzù, Antonio; Natta, Antonella; Oliva, Ernesto
Referencia bibliográfica
The Origin of Stars and Planets: The VLT View: Proceedings of the ESO Workshop Held in Garching, Germany, 24-27 April 2001, ESO ASTROPHYSICS SYMPOSIA. ISBN 3-540-43541-7. Edited by. J.F. Alves and M.J. McCaughrean. Springer-Verlag, 2002, p. 187
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2002
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Descripción
We present complete near infrared (0.85-2.45 μm), low-resolution
(˜100) spectra of a sample of 26 disk L-dwarfs with reliable
optical spectral type classification. The observations have been
obtained with a prism-based optical element (the Amici device) that
provides a complete spectrum of the source on the detector. Our
observations show that low-resolution near-infrared spectroscopy can be
used to determine the spectral classification of L-dwarfs in a fast but
accurate way. We present a library of spectra that can be used as
templates for spectral classification of faint dwarfs. We also discuss a
set of near infrared spectral indices well correlated with the optical
spectral types that can be used to accurately classify L-dwarfs earlier
than L6. Our results show that with the VLT/NIRMOS instrument we will be
able to extend the study of objects below the deuterium burning limit to
all young clusters and associations within ˜1 kpc.