All names: SDSS J222401.01+215809.3, Gaia EDR3 1874951106733026048, Gaia DR3 1874951106733026048, GALEX J222401.0+215809, SDSS J222401.05+215809.3, 2MASS J22240110+2158091, Gaia DR2 1874951106733026048, TIC 279564486, WDJ222401.11+215809.43, SDSS J222401.01+215809.2, WDJ22241.11+215809.42, J2224+2158
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 22 24 00.94 (0.07) | 22 24 00.94 | 22 24 00.94 | 22 24 01.11 (0.07) | 22 24 00.94 | ||||||||
Declination | 21 58 09.15 (0.05) | 21 58 09.16 | 21 58 09.15 | 21 58 09.43 (0.05) | 21 58 09.16 | ||||||||
Spectral type | DA | DA | DA | DA | DA | ||||||||
Effective temperature | [K] | 8064.0 (31) | 8234.0 (30) | 8064.0 (31) | 8084.0 | 7807.0 | 8074.0 (90) | ||||||
log(g) | [cgs] | 7.99 (0.007) | 8.04 (0.008) | 7.99 (0.008) | 8.00 | 7.90 | 7.99 (0.02) | ||||||
Mass | [M☉] | 0.591 (0.006) | 0.619 (0.007) | 0.59 (0.008) | 0.593 | 0.517 | 0.589 (0.02) | ||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 1.0900 | 1.0410 | 1.0380 | |||||||||
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] | 16.85 (0.07) | 16.83 (0.1) | 16.83 (0.1) | 16.85 | 16.85 (0.07) | 16.83 (0.1) | ||||||
Distance | [pc] | 59.34 (0.3) | 59.42 (0.4) | 59.40 (0.4) | 59.34 | 59.34 (0.3) | 59.40 (0.4) | ||||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -144.6241942 (0.07) | -144.8291958 (0.1) | -144.624 (0.07) | -144.8291958 | ||||||||
Proper motion (declination) | [mas/yr] | -17.31716915 (0.06) | -17.21336633 (0.1) | -17.317 (0.06) | -17.21336633 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | |||||||||||||
V magnitude | |||||||||||||
R magnitude | |||||||||||||
I magnitude | |||||||||||||
J magnitude | 16.39 (0.01) | 16.43 (0.1) | |||||||||||
H magnitude | 16.36 (0.2) | 16.36 (0.2) | |||||||||||
K magnitude | |||||||||||||
u magnitude | 17.29 (0.01) | 17.30 (0.01) | 17.30 (0.01) | ||||||||||
g magnitude | 16.86 (0.004) | 16.86 (0.004) | |||||||||||
r magnitude | 16.82 (0.004) | 16.82 (0.004) | |||||||||||
i magnitude | 16.85 (0.005) | 16.85 (0.005) | |||||||||||
z magnitude | 16.93 (0.01) | 16.93 (0.01) | |||||||||||
G magnitude | 16.76 (0.008) | 16.78 | 16.76 | 16.76 (0.003) | 16.78 | ||||||||
BP magnitude | 16.90 (0.008) | 16.88 | 16.88 | ||||||||||
RP magnitude | 16.53 (0.007) | 16.55 | 16.55 | ||||||||||
Pan g magnitude | 16.88 (0.004) | 16.88 (0.004) | |||||||||||
Pan r magnitude | 16.82 (0.007) | 16.82 (0.007) | |||||||||||
Pan i magnitude | 16.86 (0.003) | 16.86 (0.003) | |||||||||||
Pan z magnitude | 16.94 (0.005) | 16.94 (0.006) | |||||||||||
Pan y magnitude | 17.04 (0.002) | 17.04 (0.002) | |||||||||||
E(B-V) | 0.005 |
* Constant surface field
Spectra without link are available upon request
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.