PG 1457-086

Other names:

Parameter Unit Farihi et al. 2010 Farihi et al. 2009 Jura et al. 2007 Simbad
Right ascension 14 59 52.97
Declination -08 49 29.36
Spectral type DAZB DA2.3
Effective temperature [K] 20000.0 20400.0
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
Parallax [mas]
Distance [pc] 110.00 117.00
Composition
Proper motion (right ascension) [mas/yr] 10.0
Proper motion (declination) [mas/yr] -42.0
Variability
Magnetic
Db [MG]
Infrared excess (disk) yes yes
Binarity
B magnitude 15.68
V magnitude 15.77
R magnitude 15.80
I magnitude
J magnitude 16.04
H magnitude 16.21
K magnitude 16.00 15.61
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude

* Constant surface field

Special notes:

Spectra

Absorption lines

Controls

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.