SDSS J232233.89+214954.3

All names: SDSS J232233.89+214954.3, SDSS J232233.89+214954.35, GALEX J232233.9+214955, Gaia DR2 2838044570208735744, Gaia DR3 2838044570208735744, Gaia EDR3 2838044570208735744, SDSS J232233.88+214954.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 23 22 33.92 (0.4) 23 22 33.89 23 22 33.92 (0.5) 23 22 33.84 (0.4)
Declination 21 49 54.40 (0.4) 21 49 54.36 21 49 54.40 (0.5) 21 49 54.33 (0.4)
Spectral type DA DA DA DA
Effective temperature [K] 7301.0 32584.0 (1000)
log(g) [cgs] 7.97 6.96 (0.5)
Mass [M] 0.576
log(Luminosity) [L]
Cooling age [Gyr] 1.3150
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 4.56 (0.5) 4.29 (0.7) 4.56 (0.5)
Distance [pc] 219.28 (23) 233.13 (39) 219.28 (23)
Composition H
Proper motion (right ascension) [mas/yr] 73.77565808 (0.5) 75.42711595 (1) 73.776 (0.5)
Proper motion (declination) [mas/yr] 4.305888704 (0.5) 4.069717213 (1) 4.306 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.91 (0.1) 20.90 (0.09) 20.90 (0.1)
g magnitude 20.26 (0.02) 20.29 (0.03) 20.27 (0.02)
r magnitude 20.14 (0.03) 20.17 (0.03) 20.14 (0.03)
i magnitude 20.08 (0.04) 20.11 (0.04) 20.08 (0.04)
z magnitude 20.33 (0.2) 20.31 (0.2) 20.32 (0.2)
G magnitude 20.12 (0.08) 20.16 20.12 (0.006)
BP magnitude 20.32 (0.08) 20.31
RP magnitude 19.85 (0.08) 19.73
Pan g magnitude 20.23 (0.02)
Pan r magnitude 20.11 (0.02)
Pan i magnitude 20.11 (0.02)
Pan z magnitude 20.14 (0.02)
Pan y magnitude 20.27 (0.1)
E(B-V) 0.027

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.