SDSS J220934.85+122336.6

All names: Gaia DR2 2727904257071365760

Parameter Unit Gaia DR2 Koester & Kepler (2015)
Right ascension 22 09 34.83 (0.1)
Declination 12 23 36.35 (0.1)
Spectral type
Effective temperature [K] 17103.0 (72)
log(g) [cgs] 8.17 (0.04)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) -5.23 (0)
log(C/He)
log(Ca/He) -6.04 (0.2)
log(Ca/H)
Parallax [mas] 6.03 (0.1)
Distance [pc] 165.75 (4) 159.00
Composition
Proper motion (right ascension) [mas/yr] -18.365 (0.2)
Proper motion (declination) [mas/yr] -13.578 (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 17.35
BP magnitude 17.20
RP magnitude 17.39
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.