All names: GALEX J234633.7+220044, SDSS J234633.77+220043.1, WISEA J234633.77+220043.4, UCAC4 561-143094, 2MASS J23463367+2200428, SDSS J234633.76+220043.0, TIC 283766676, Gaia DR2 2826770319713589888, WISE J234633.77+220043.6, Gaia DR3 2826770319713589888, J2346+2200, WDJ234633.68+220042.63, Gaia EDR3 2826770319713589888
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Vincent et al. 2020 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 23 46 33.82 (0.05) | 23 46 33.82 | 23 46 33.82 | 23 46 33.68 (0.06) | 23 46 33.82 | ||||||||
Declination | 22 00 43.31 (0.03) | 22 00 43.29 | 22 00 43.31 | 22 00 42.63 (0.03) | 22 00 43.29 | ||||||||
Spectral type | DA | DA | DA | DA | |||||||||
Effective temperature | [K] | 11185.0 (77) | 11078.0 (72) | 11191.0 (76) | 10965.0 | 11516.0 | 10964.0 (102) | ||||||
log(g) | [cgs] | 7.92 (0.01) | 7.91 (0.01) | 7.88 | 7.87 | 7.90 (0.01) | |||||||
Mass | [M☉] | 0.558 (0.008) | 0.541 (0.009) | 0.549 (0.009) | 0.534 | 0.508 | 0.545 (0.01) | ||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 0.4068 | 0.3577 | ||||||||||
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] | 11.39 (0.07) | 11.27 (0.09) | 11.39 | 11.39 (0.07) | 11.27 (0.09) | |||||||
Distance | [pc] | 87.82 (0.5) | 88.76 (0.7) | 87.82 | 87.82 (0.5) | 88.76 (0.7) | |||||||
Composition | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 127.5534054 (0.08) | 127.3780615 (0.2) | 127.553 (0.08) | 127.3780615 | ||||||||
Proper motion (declination) | [mas/yr] | 42.17919912 (0.04) | 42.02330632 (0.08) | 42.179 (0.04) | 42.02330632 | ||||||||
Variability | VAR | ||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | 16.57 (0.08) | ||||||||||||
V magnitude | 16.51 (0.07) | ||||||||||||
R magnitude | 15.63 (0.1) | ||||||||||||
I magnitude | |||||||||||||
J magnitude | 16.35 (0.1) | ||||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | 16.84 (0.008) | 16.84 (0.008) | |||||||||||
g magnitude | 16.40 (0.004) | 16.40 (0.004) | |||||||||||
r magnitude | 16.56 (0.005) | 16.56 (0.005) | |||||||||||
i magnitude | 16.73 (0.005) | 16.73 (0.005) | |||||||||||
z magnitude | 16.91 (0.01) | 16.91 (0.01) | |||||||||||
G magnitude | 16.47 (0.003) | 16.47 | 16.47 | 16.47 (0.003) | 16.47 | ||||||||
BP magnitude | 16.49 (0.003) | 16.48 | 16.48 | ||||||||||
RP magnitude | 16.45 (0.003) | 16.45 | 16.45 | ||||||||||
Pan g magnitude | 16.42 (0.005) | ||||||||||||
Pan r magnitude | 16.56 (0.004) | ||||||||||||
Pan i magnitude | 16.75 (0.003) | ||||||||||||
Pan z magnitude | 16.94 (0.005) | ||||||||||||
Pan y magnitude | 17.08 (0.01) | ||||||||||||
E(B-V) | 0.006 |
* 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.