HE 1225+0038

Other names:

Parameter Unit Jura et al. 2007 Simbad
Right ascension 12 28 07.71
Declination 00 22 19.60
Spectral type DA
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
Parallax [mas]
Distance [pc] 29.00
Composition
Proper motion (right ascension) [mas/yr] -49.0
Proper motion (declination) [mas/yr] 98.0
Variability
Magnetic
Db [MG]
Infrared excess (disk)
Binarity
B magnitude 15.20
V magnitude
R magnitude 15.10
I magnitude
J magnitude 14.74
H magnitude 14.68
K magnitude 14.72
u magnitude 15.38
g magnitude 14.97
r magnitude 15.03
i magnitude 15.10
z magnitude 15.27

* 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.