All names: WD 1400+454, Gaia DR2 1505720911554632320, SDSS J140213.34+451142.3, Gaia DR3 1505720911554632320, SDSS J140213.32+451142.2, SDSS J140213.34+451142.4, Gaia EDR3 1505720911554632320, SDSS J140213.31+451142.2, GALEX J140213.3+451142, CBS 253
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 14 02 13.31 (0.04) | 14 02 13.35 | 14 02 13.31 (0.05) | 14 02 13.31 | 14 02 13.36 (0.04) | 14 02 13.34 | 14 02 13.68 | 14 02 13.34 | |||||||
Declination | 45 11 42.24 (0.05) | 45 11 42.38 | 45 11 42.25 (0.05) | 45 11 42.24 | 45 11 42.47 (0.05) | 45 11 42.39 | 45 11 40.92 | 45 11 42.39 | |||||||
Spectral type | DA | DA | DA | DA | DA2.4 | DA_auto | DA | DAZ | DA | ||||||
Effective temperature | [K] | 17896.0 | 20860.0 (375) | 21550.0 (210) | 20277.0 (450) | 20707.0 (153) | 20956.0 (157) | ||||||||
log(g) | [cgs] | 7.80 | 7.95 (0.05) | 7.99 (0.03) | 7.95 (0.02) | 7.99 (0.03) | 8.00 (0.03) | ||||||||
Mass | [M☉] | 0.511 | 0.6 (0.03) | 0.62 (0.02) | 0.595 (0.02) | ||||||||||
log(Luminosity) | [L☉] | ||||||||||||||
Cooling age | [Gyr] | 0.0721 | 0.0501 | ||||||||||||
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] | 5.43 (0.06) | 5.40 (0.06) | 5.43 | 5.43 (0.06) | ||||||||||
Distance | [pc] | 184.22 (2) | 185.24 (2) | 189.00 | 184.22 | 184.22 (2) | |||||||||
Composition | H | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -30.72887133 (0.05) | -30.6469592 (0.09) | -30.729 (0.05) | -30.8 | ||||||||||
Proper motion (declination) | [mas/yr] | -14.13382277 (0.07) | -13.91085288 (0.09) | -14.134 (0.07) | -16.6 | ||||||||||
Variability | |||||||||||||||
Magnetic | |||||||||||||||
Bd | [MG] | ||||||||||||||
Infrared excess (disk) | |||||||||||||||
Binarity | |||||||||||||||
B magnitude | 17.00 | ||||||||||||||
V magnitude | |||||||||||||||
R magnitude | |||||||||||||||
I magnitude | |||||||||||||||
J magnitude | |||||||||||||||
H magnitude | |||||||||||||||
K magnitude | |||||||||||||||
u magnitude | 16.92 (0.007) | 16.91 (0.007) | 16.93 (0.03) | 16.93 | 16.95 (0.03) | ||||||||||
g magnitude | 16.83 (0.004) | 16.84 (0.004) | 16.82 (0.03) | 16.82 | 16.83 (0.03) | ||||||||||
r magnitude | 17.18 (0.005) | 17.18 (0.005) | 17.16 (0.02) | 17.16 | 17.17 (0.02) | ||||||||||
i magnitude | 17.47 (0.007) | 17.47 (0.007) | 17.43 (0.03) | 17.43 | 17.45 (0.03) | ||||||||||
z magnitude | 17.83 (0.02) | 17.83 (0.02) | 17.79 (0.03) | 17.79 | 17.81 (0.02) | ||||||||||
G magnitude | 17.03 (0.005) | 17.05 | 17.03 | 17.03 (0.003) | |||||||||||
BP magnitude | 16.95 (0.005) | 16.92 | |||||||||||||
RP magnitude | 17.22 (0.008) | 17.21 | |||||||||||||
Pan g magnitude | 16.88 (0.005) | ||||||||||||||
Pan r magnitude | 17.19 (0.006) | ||||||||||||||
Pan i magnitude | 17.52 (0.004) | ||||||||||||||
Pan z magnitude | 17.78 (0.006) | ||||||||||||||
Pan y magnitude | 17.93 (0.008) | ||||||||||||||
E(B-V) | 0.016 |
* 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.