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J-Band Underluminosity of SIMP J2154-1055

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posted on 22.07.2014, 08:23 by Jonathan GagnéJonathan Gagné, David Lafrenière, René Doyon, Étienne Artigau, Lison Malo, Jasmin Robert, Daniel Nadeau

This figure shows the expected position of SIMP J2154-1055 in a spectral type-absolute magnitude diagram (from Liu et al. 2013), using the statistical distance prediction from BANYAN II (Gagné et al. 2014a). It can be seen that SIMP J2154-1055 is expected to be under luminous as compared to old, field L dwarfs. This is consistent with other young L4 dwarfs, which are inflated, but more dusty ; the latter effect dominates on their J-band luminosity. Also due to its enhanced dust, it has redder than normal NIR colors.

Please cite all papers in the "Links" section below if you use this figure. After september 2014, also verify if the full ApJL reference is available on ADS.


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