SDSS J144055.49+223422.55

All names:

Parameter Unit SDSS DR10
Right ascension 14 40 55.49
Declination 22 34 22.57
Spectral type
Effective temperature [K]
log(g) [cgs]
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas]
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr]
Proper motion (declination) [mas/yr]
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.33 (0.1)
g magnitude 20.87 (0.03)
r magnitude 20.86 (0.04)
i magnitude 21.00 (0.06)
z magnitude 20.82 (0.2)

* Constant surface field

Special notes:

Spectra

Absorption lines

Photometric filters

BVRI
ugriz

Controls

Normalize at:

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request





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.