All names: Ton 1526, Gaia EDR3 4016793572887550976, SDSS J122456.04+334026.4, Gaia DR3 4016793572887550976, WD 1222+339, CBS 351, Gaia DR2 4016793572887550976, GALEX J122456.0+334027
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 24 56.01 (0.05) | 12 24 56.01 (0.07) | 12 24 56.01 | 12 24 56.06 (0.05) | 12 24 56.14 | |||||
Declination | 33 40 26.23 (0.03) | 33 40 26.24 (0.04) | 33 40 26.23 | 33 40 26.51 (0.03) | 33 40 23.16 | |||||
Spectral type | DA | DA | DA | DA3.1 | DA | |||||
Effective temperature | [K] | 14963.0 | 16030.0 (279) | 15427.0 (255) | ||||||
log(g) | [cgs] | 7.91 | 8.02 (0.05) | 7.92 (0.02) | ||||||
Mass | [M☉] | 0.563 | 0.63 (0.03) | 0.568 (0.01) | ||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.1724 | ||||||||
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] | 7.75 (0.06) | 7.86 (0.08) | 7.75 | 7.75 (0.06) | |||||
Distance | [pc] | 129.11 (1) | 127.25 (1) | 145.00 | 129.11 | 129.11 (1) | ||||
Composition | H | H | ||||||||
Proper motion (right ascension) | [mas/yr] | -44.32505367 (0.07) | -44.36020908 (0.2) | -44.325 (0.07) | ||||||
Proper motion (declination) | [mas/yr] | -17.61724317 (0.06) | -17.67476524 (0.08) | -17.617 (0.06) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 16.84 (0.01) | |||||||||
g magnitude | 16.58 (0.02) | |||||||||
r magnitude | 16.82 (0.02) | |||||||||
i magnitude | 17.10 (0.02) | |||||||||
z magnitude | 17.36 (0.02) | |||||||||
G magnitude | 16.71 (0.003) | 16.73 | 16.71 | 16.71 (0.003) | ||||||
BP magnitude | 16.68 (0.003) | 16.67 | ||||||||
RP magnitude | 16.81 (0.006) | 16.82 | ||||||||
Pan g magnitude | 16.58 (0.002) | |||||||||
Pan r magnitude | 16.85 (0.004) | |||||||||
Pan i magnitude | 17.14 (0.002) | |||||||||
Pan z magnitude | 17.38 (0.007) | |||||||||
Pan y magnitude | 17.53 (0.008) | |||||||||
E(B-V) | 0.004 |
* 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.