SDSS J080440.63+223948.6

All names: Gaia DR2 680099824985004288

Parameter Unit Blouin et al. 2018 Gaia DR2
Right ascension 08 04 40.63 (0.1)
Declination 22 39 44.66 (0.07)
Spectral type DZ
Effective temperature [K] 4970.0 (100)
log(g) [cgs] 7.98 (0.05)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr] 5.9000 (0.6)
log(H/He) -1.6 (0.2)
log(C/He)
log(Ca/He) -10.0 (0.1)
log(Ca/H)
Parallax [mas] 25.28 (0.1) 25.28 (0.1)
Distance [pc] 39.56 (0.2) 39.56 (0.2)
Composition
Proper motion (right ascension) [mas/yr] 1.644 (0.2)
Proper motion (declination) [mas/yr] -324.04 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.71 (0.04)
H magnitude 16.92 (0.04)
K magnitude 17.29 (0.06)
u magnitude 19.73 (0.03)
g magnitude 18.30 (0.03)
r magnitude 17.59 (0.03)
i magnitude 17.39 (0.03)
z magnitude 17.33 (0.03)
G magnitude 17.67
BP magnitude 18.09
RP magnitude 17.06
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.