All names: SDSS J143105.74+042215.8, SDSS J143105.73+042215.6, Gaia EDR3 3668868374001785472, Gaia DR2 3668868374001785472, GALEX J143105.7+042216, Gaia DR3 3668868374001785472, SDSS J143105.74+042215.6, WD 1428+045
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 14 31 05.74 (0.07) | 14 31 05.74 | 14 31 05.74 (0.1) | 14 31 05.74 | 14 31 05.74 (0.07) | 14 31 05.74 | 14 31 04.58 | 14 31 05.74 | 14 31 05.74 | ||||||
Declination | 04 22 15.94 (0.06) | 04 22 15.68 | 04 22 15.94 (0.1) | 04 22 15.94 | 04 22 15.65 (0.06) | 04 22 15.64 | 04 22 08.40 | 04 22 15.64 | 04 22 15.64 | ||||||
Spectral type | DA | DA | DA | DA | DA | DA2.2 | DA | DA | |||||||
Effective temperature | [K] | 20346.0 | 23730.0 (210) | 21857.0 (634) | 22754.0 (195) | 23056.0 (179) | 22951.0 (199) | ||||||||
log(g) | [cgs] | 7.73 | 7.78 (0.03) | 7.81 (0.03) | 7.78 (0.03) | 7.79 (0.03) | 7.82 (0.03) | ||||||||
Mass | [M☉] | 0.485 | 0.52 (0.01) | 0.53 (0.02) | 0.531 (0.01) | ||||||||||
log(Luminosity) | [L☉] | ||||||||||||||
Cooling age | [Gyr] | 0.0383 | 0.0214 | ||||||||||||
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] | 4.76 (0.08) | 4.71 (0.1) | 4.76 | 4.76 (0.08) | ||||||||||
Distance | [pc] | 209.88 (3) | 212.26 (6) | 209.88 | 209.88 (3) | ||||||||||
Composition | H | H | |||||||||||||
Proper motion (right ascension) | [mas/yr] | -2.765334967 (0.1) | -2.627157655 (0.2) | -2.765 (0.1) | 3.7 | 3.0 | |||||||||
Proper motion (declination) | [mas/yr] | 18.23345805 (0.09) | 17.90150474 (0.3) | 18.233 (0.09) | 13.4 | 13.0 | |||||||||
Variability | |||||||||||||||
Magnetic | |||||||||||||||
Bd | [MG] | ||||||||||||||
Infrared excess (disk) | |||||||||||||||
Binarity | |||||||||||||||
B magnitude | |||||||||||||||
V magnitude | |||||||||||||||
R magnitude | |||||||||||||||
I magnitude | |||||||||||||||
J magnitude | 17.38 (0.04) | ||||||||||||||
H magnitude | 17.64 (0.07) | ||||||||||||||
K magnitude | 17.60 (0.1) | ||||||||||||||
u magnitude | 16.79 (0.007) | 16.79 (0.007) | 16.81 (0.01) | 16.79 | 16.81 (0.01) | 16.79 (0.01) | |||||||||
g magnitude | 16.78 (0.004) | 16.78 (0.004) | 16.79 (0.02) | 16.79 | 16.79 (0.02) | 16.79 (0.02) | |||||||||
r magnitude | 17.17 (0.005) | 17.17 (0.005) | 17.17 (0.01) | 17.18 | 17.17 (0.01) | 17.18 (0.01) | |||||||||
i magnitude | 17.48 (0.006) | 17.48 (0.006) | 17.47 (0.02) | 17.47 | 17.48 (0.02) | 17.47 (0.02) | |||||||||
z magnitude | 17.75 (0.02) | 17.75 (0.02) | 17.73 (0.03) | 17.74 | 17.75 (0.03) | 17.74 (0.03) | |||||||||
G magnitude | 16.98 (0.005) | 17.01 | 16.98 | 16.98 (0.003) | |||||||||||
BP magnitude | 16.90 (0.005) | 16.86 | |||||||||||||
RP magnitude | 17.19 (0.01) | 17.19 | |||||||||||||
Pan g magnitude | 16.82 (0.003) | ||||||||||||||
Pan r magnitude | 17.17 (0.004) | ||||||||||||||
Pan i magnitude | 17.49 (0.004) | ||||||||||||||
Pan z magnitude | 17.75 (0.006) | ||||||||||||||
Pan y magnitude | 17.95 (0.01) | ||||||||||||||
E(B-V) | 0.025 |
* 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.