The environment of the fast rotating star Achernar - III. Photospheric parameters revealed by the VLTI

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Table 7

Observed and modeled UBVJHK photometry and bolometric flux F_bol of Achernar.

Catalogue or reference	U	B	V	J	H	K	F_bol(10^-9 W m^-2)

2MASS^a				0.815 ± 0.254	0.865 ± 0.320	0.880 ± 0.330
NOMAD Tycho-2^b		0.473	0.527
Johnson et al. (1966)		0.32	0.47
Code et al. (1976)							54.4 ± 4.3
Jaschek & Egret (1982)	−0.36	0.30	0.46
Nazé (2009)							48.98

CHARRON RVZ model	−0.279	0.339	0.472	0.783	0.828	0.886	53.05
Model in 2012 paper	−0.387	0.215	0.333	0.596	0.631	0.684	62.90

Notes.The model values are based on the parameters given in Table 6 for the best emcee fit of CHARRON RVZ model to PIONIER data. For comparison, we also show the values derived from the model given by Domiciano de Souza et al. (2012a), based on the AMBER differential phases.

^(a)

Cutri et al. (2003); Skrutskie et al. (2006).

^(b)

Hog et al. (2000); Zacharias et al. (2005).

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