SDSS J221945.63+123554.0

All names: Gaia DR3 2733740262928595328, SDSS J221945.63+123554.1, Gaia EDR3 2733740262928595328, SDSS J221945.63+123554.05, SDSS J221945.63+123554.0, SDSS J221945.60+123554.6, Gaia DR2 2733740262928595328

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 22 19 45.64 (0.09) 22 19 45.60 22 19 45.64 (0.1) 22 19 45.64 22 19 45.60 (0.09)
Declination 12 35 53.81 (0.07) 12 35 54.68 12 35 53.83 (0.1) 12 35 53.81 12 35 54.67 (0.07)
Spectral type DBA DBA DB DBA DB
Effective temperature [K] 12725.0 12569.0 12206.0 12356.0 (26) 12344.0 (26) 12100.0 (239)
log(g) [cgs] 8.03 8.02 7.98 8.00 (0) 8.00 (0) 8.01 (0.03)
Mass [M] 0.606 0.598 0.574 0.591 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.3554
log(H/He) -4.97 -4.84 (0.07)
log(C/He)
log(Ca/He) <-10.51
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 9.95 (0.1) 9.64 (0.1) 9.95 9.96 (0.1)
Distance [pc] 100.45 (1) 103.78 (1) 99.00 100.45 100.45 (1)
Composition He
Proper motion (right ascension) [mas/yr] 36.40007548 (0.09) 36.72523377 (0.2) 36.4 (0.09)
Proper motion (declination) [mas/yr] -54.03442053 (0.09) -53.65173604 (0.2) -54.034 (0.09)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.68 (0.007) 16.68 (0.01) 16.68 (0.007)
g magnitude 16.70 (0.004) 16.70 (0) 16.70 (0.004)
r magnitude 16.93 (0.005) 16.93 (0.01) 16.93 (0.005)
i magnitude 17.09 (0.006) 17.09 (0.01) 17.09 (0.006)
z magnitude 17.33 (0.01) 17.33 (0.01) 17.33 (0.01)
G magnitude 16.80 (0.006) 16.83 16.80 16.80 (0.003)
BP magnitude 16.79 (0.006) 16.75
RP magnitude 16.81 (0.007) 16.82
Pan g magnitude 16.75 (0.002)
Pan r magnitude 16.93 (0.005)
Pan i magnitude 17.14 (0.003)
Pan z magnitude 17.33 (0.004)
Pan y magnitude 17.48 (0.006)
E(B-V) 0.009

* 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.