All names: LAMOST J144814.08+282511.7, TON 214, WDJ144814.08+282511.64, J1448+2825, WIRED J144814.08+282511.7, SDSS J144814.07+282511.6, Gaia EDR3 1281410781322153216, Gaia DR3 1281410781322153216, Gaia DR2 1281410781322153216, WD 1446+28, WD 1446+286, Ton 214, SDSS J144814.08+282511.7, PG 1446+286, 1SWASP J144814.07+282511.6, 2MASS J14481408+2825117, uvby98 680144605, TIC 219840114
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 14 48 14.08 (0.02) | 14 48 14.08 | 14 48 14.08 (0.03) | 14 48 14.08 | 14 48 14.08 (0.02) | 14 48 14.08 | 14 48 13.58 | 14 48 14.08 | ||||||||||
Declination | 28 25 11.66 (0.03) | 28 25 11.69 | 28 25 11.66 (0.04) | 28 25 11.66 | 28 25 11.64 (0.03) | 28 25 11.66 | 28 25 08.76 | 28 25 11.73 | ||||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA2.1 | DA | DA2 | DA | DA | |||||||
Effective temperature | [K] | 23703.0 (342) | 23706.0 (342) | 21445.0 | 23846.0 (121) | 23860.0 (364) | 22890.0 (348) | 23533.0 (238) | 23954.0 (91) | |||||||||
log(g) | [cgs] | 8.44 (0.01) | 8.43 (0.01) | 8.33 | 8.41 (0.02) | 8.43 (0.05) | 8.42 (0.05) | 8.43 (0.008) | 8.39 (0.01) | |||||||||
Mass | [M☉] | 0.897 (0.009) | 0.891 (0.01) | 0.827 | 0.88 (0.01) | 0.89 (0.03) | 0.89 (0.03) | 0.89 (0.007) | 0.852 (0.006) | |||||||||
log(Luminosity) | [L☉] | -1.64 | ||||||||||||||||
Cooling age | [Gyr] | 0.1135 | 0.1259 | |||||||||||||||
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] | 20.80 (0.04) | 20.67 (0.05) | 20.80 | 20.80 (0.04) | 20.67 (0.05) | ||||||||||||
Distance | [pc] | 48.07 (0.09) | 48.38 (0.1) | 48.00 | 47.00 | 48.07 | 48.07 (0.09) | 48.38 (0.1) | ||||||||||
Composition | H | H | H | |||||||||||||||
Proper motion (right ascension) | [mas/yr] | 1.292915043 (0.03) | 1.223884978 (0.08) | 1.293 (0.03) | 1.224 | |||||||||||||
Proper motion (declination) | [mas/yr] | 1.00141913 (0.03) | 1.267039612 (0.09) | 1.001 (0.03) | 1.267 | |||||||||||||
Variability | ||||||||||||||||||
Magnetic | ||||||||||||||||||
Bd | [MG] | |||||||||||||||||
Infrared excess (disk) | ||||||||||||||||||
Binarity | ||||||||||||||||||
B magnitude | ||||||||||||||||||
V magnitude | 14.54 | 14.71 | ||||||||||||||||
R magnitude | ||||||||||||||||||
I magnitude | ||||||||||||||||||
J magnitude | 15.17 (0.04) | |||||||||||||||||
H magnitude | 15.27 (0.1) | |||||||||||||||||
K magnitude | 15.54 (0.2) | |||||||||||||||||
u magnitude | 14.25 (0.003) | 14.25 (0.003) | 14.25 (0.003) | 14.25 | 14.27 (0.02) | |||||||||||||
g magnitude | 14.37 (0.003) | 14.37 (0.003) | 14.37 (0.003) | 14.39 | 14.42 (0.02) | |||||||||||||
r magnitude | 14.79 (0.004) | 14.79 (0.004) | 14.79 (0.004) | 14.82 (0.01) | ||||||||||||||
i magnitude | 15.09 (0.005) | 15.09 (0.005) | 15.09 (0.005) | 15.09 (0.02) | ||||||||||||||
z magnitude | 15.42 (0.006) | 15.42 (0.006) | 15.42 (0.006) | 15.43 (0.02) | ||||||||||||||
G magnitude | 14.58 (0.001) | 14.60 | 14.58 | 14.58 (0.003) | 14.60 | |||||||||||||
BP magnitude | 14.48 (0.001) | 14.44 | 14.44 | |||||||||||||||
RP magnitude | 14.80 (0.001) | 14.80 | 14.80 | |||||||||||||||
Pan g magnitude | 14.44 (0.003) | |||||||||||||||||
Pan r magnitude | 14.79 (0.002) | |||||||||||||||||
Pan i magnitude | 15.12 (0.002) | |||||||||||||||||
Pan z magnitude | 15.39 (0.003) | |||||||||||||||||
Pan y magnitude | 15.58 (0.004) | |||||||||||||||||
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.