SDSS J154446.06+204654.2

All names: Gaia DR2 1216301379220793088

Parameter Unit Gaia DR2 Koester & Kepler (2015)
Right ascension 15 44 46.06 (0.1)
Declination 20 46 54.20 (0.08)
Spectral type
Effective temperature [K] 10760.0 (72)
log(g) [cgs] 8.00 (0)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) -6.07 (0)
log(C/He)
log(Ca/He) -11.01 (0)
log(Ca/H)
Parallax [mas] 7.25 (0.1)
Distance [pc] 137.96 (3) 139.00
Composition
Proper motion (right ascension) [mas/yr] 3.725 (0.2)
Proper motion (declination) [mas/yr] -6.009 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.86
BP magnitude 17.84
RP magnitude 17.78
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude

* Constant surface field

Special notes:

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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.