All names: Gaia DR3 1590192369827025152, USNO-A2.0 1350-08486817, GALEX J144418.2+471704, WIRED J144418.25+471704.2, SDSS J144418.26+471704.1, SDSS J144418.26+471704.2, WDJ144418.27+471704.25, 2MASS J14441833+4717036, SDSS J144418.27+471704.2, Gaia EDR3 1590192369827025152, CBS 283, J1444+4717, SDSS J144418.25+471704.2, WD 1442+474, Gaia DR2 1590192369827025152, TIC 116279992
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | 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 44 18.28 (0.03) | 14 44 18.27 | 14 44 18.27 (0.04) | 14 44 18.28 | 14 44 18.27 (0.03) | 14 44 18.27 | 14 44 18.26 | 14 44 18.26 | |||||||||
Declination | 47 17 03.80 (0.03) | 47 17 04.19 | 47 17 03.82 (0.04) | 47 17 03.80 | 47 17 04.26 (0.03) | 47 17 03.82 | 47 17 04.20 | 47 17 04.21 | |||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA5.0 | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 9725.0 (48) | 9221.0 (43) | 9725.0 (48) | 9721.0 | 9990.0 (152) | 9741.0 (65) | 9689.0 (20) | |||||||||
log(g) | [cgs] | 7.91 (0.009) | 7.78 (0.009) | 7.91 (0.009) | 7.91 | 8.13 (0.07) | 7.91 (0.01) | 8.11 (0.02) | |||||||||
Mass | [M☉] | 0.546 (0.007) | 0.476 (0.007) | 0.547 (0.008) | 0.547 | 0.68 (0.05) | 0.548 (0.009) | 0.662 (0.01) | |||||||||
log(Luminosity) | [L☉] | ||||||||||||||||
Cooling age | [Gyr] | 0.5900 | 0.5776 | ||||||||||||||
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] | 13.58 (0.04) | 13.60 (0.05) | 13.60 (0.05) | 13.58 | 13.58 (0.04) | 13.60 (0.05) | ||||||||||
Distance | [pc] | 73.61 (0.2) | 73.53 (0.3) | 73.53 (0.2) | 53.00 | 73.61 | 73.61 (0.2) | 73.53 (0.2) | |||||||||
Composition | H | H | H | H | |||||||||||||
Proper motion (right ascension) | [mas/yr] | 6.04861621 (0.04) | 6.112419514 (0.08) | 6.049 (0.04) | 6.112 | ||||||||||||
Proper motion (declination) | [mas/yr] | -28.35588643 (0.04) | -28.25208243 (0.07) | -28.356 (0.04) | -28.252 | ||||||||||||
Variability | |||||||||||||||||
Magnetic | |||||||||||||||||
Bd | [MG] | ||||||||||||||||
Infrared excess (disk) | |||||||||||||||||
Binarity | |||||||||||||||||
B magnitude | 16.60 (0.3) | ||||||||||||||||
V magnitude | |||||||||||||||||
R magnitude | 16.40 (0.3) | ||||||||||||||||
I magnitude | |||||||||||||||||
J magnitude | 16.51 (0.1) | 16.51 (0.1) | |||||||||||||||
H magnitude | 15.90 (0.05) | 15.90 (0.05) | |||||||||||||||
K magnitude | 15.55 (0.08) | 15.55 (0.08) | |||||||||||||||
u magnitude | 16.90 (0.007) | 16.89 (0.007) | 16.91 (0.007) | 16.91 (0.007) | 16.92 (0.02) | ||||||||||||
g magnitude | 16.46 (0.004) | 16.46 (0.004) | 16.46 (0.004) | 16.46 (0.02) | |||||||||||||
r magnitude | 16.54 (0.004) | 16.54 (0.004) | 16.54 (0.004) | 16.53 (0.01) | |||||||||||||
i magnitude | 16.64 (0.005) | 16.64 (0.005) | 16.64 (0.005) | 16.63 (0.01) | |||||||||||||
z magnitude | 16.83 (0.009) | 16.83 (0.009) | 16.83 (0.009) | 16.82 (0.02) | |||||||||||||
G magnitude | 16.46 (0.004) | 16.48 | 16.46 | 16.46 (0.003) | 16.48 | ||||||||||||
BP magnitude | 16.53 (0.004) | 16.51 | 16.51 | ||||||||||||||
RP magnitude | 16.36 (0.003) | 16.36 | 16.36 | ||||||||||||||
Pan g magnitude | 16.47 (0.002) | 16.47 (0.003) | |||||||||||||||
Pan r magnitude | 16.55 (0.005) | 16.55 (0.004) | |||||||||||||||
Pan i magnitude | 16.68 (0.005) | 16.68 (0.004) | |||||||||||||||
Pan z magnitude | 16.82 (0.004) | 16.82 (0.005) | |||||||||||||||
Pan y magnitude | 16.94 (0.01) | 16.94 (0.02) | |||||||||||||||
E(B-V) | 0.009 |
* 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.