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Near-IR integral field spectra of 15 M-L dwarfs

Short name: J/A+A/562/A127
IVOA Identifier: ivo://CDS.VizieR/J/A+A/562/A127
DOI (Digital Object Identifier): 10.26093/cds/vizier.35620127
Publisher: CDS[+][Pub. ID]
More Info: https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/562/A127
VO Compliance: Level 2: This is a VO-compliant resource.
Status: active
Registered: 2014 Feb 19 13:22:43Z
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Description


At young ages, low surface gravity affects the atmospheric properties of ultracool dwarfs. The impact on medium-resolution near-infrared (NIR) spectra has only been slightly investigated at the M-L transition sofar. We present a library of near-infrared (1.1-2.45um) medium-resolution (R~1500-2000) integral field spectra of 15 young M6-L0 dwarfs. We aim at deriving updated NIR spectral type, luminosity and physical parameters (Teff, logg, M, L/L_{sun}_) of each source. This work also aims at testing the latest generation of BT-SETTL atmospheric models. We estimated spectral types using spectral indices and spectra of reference young objects classified in the optical. We used the 2010 and 2012 releases of the BT-SETTL synthetic spectral grid and cross-checked the results with the DRIFT-PHOENIX models to derive the atmospheric properties of the sources.

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