All names: TIC 311578051, Gaia DR3 834234385783616640, WIRED J103743.47+485720.7, J1037+4857, WDJ103743.47+485720.75, PG 1034+492, SDSS J103743.47+485720.7, Gaia DR2 834234385783616640, WD 1034+492, SDSS J103743.48+485720.7, GD 304, Gaia EDR3 834234385783616640, SDSS J103743.48+485720.8, 2MASS J10374345+4857208, SBSS 1034+492, GALEX J103743.5+485722
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Koester et al. 2014 | Gianninas et al. 2011 | Tremblay et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 10 37 43.56 (0.02) | 10 37 43.48 | 10 37 43.56 (0.04) | 10 37 43.56 | 10 37 43.47 (0.02) | 10 37 43.56 | 10 37 43.47 | 10 37 42.31 | 10 37 43.48 | |||||||||||
Declination | 48 57 20.55 (0.03) | 48 57 20.77 | 48 57 20.56 (0.05) | 48 57 20.55 | 48 57 20.75 (0.03) | 48 57 20.56 | 48 57 20.79 | 48 57 24.12 | 48 57 20.77 | |||||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA2.4 | DA | DA_auto | DA2.5 | DA | DA | ||||||||
Effective temperature | [K] | 20545.0 (264) | 20546.0 (264) | 20015.0 | 20682.0 (281) | 21420.0 (353) | 21560.0 (100) | 20650.0 (340) | 21134.0 (263) | 20887.0 (95) | 20956.0 (96) | |||||||||
log(g) | [cgs] | 8.16 (0.01) | 8.16 (0.01) | 8.13 | 8.19 (0.09) | 8.22 (0.05) | 8.12 (0.01) | 8.17 (0.05) | 8.19 (0.01) | 8.13 (0.02) | 8.14 (0.01) | |||||||||
Mass | [M☉] | 0.72 (0.009) | 0.717 (0.01) | 0.7 | 0.729 (0.05) | 0.76 (0.03) | 0.69 (0.01) | 0.73 (0.03) | 0.74 (0.009) | 0.7 (0.006) | ||||||||||
log(Luminosity) | [L☉] | -1.66 | ||||||||||||||||||
Cooling age | [Gyr] | 0.0937 | 0.0676 | 0.1175 | ||||||||||||||||
log(H/He) | ||||||||||||||||||||
log(C/He) | ||||||||||||||||||||
log(Ca/He) | ||||||||||||||||||||
log(Ca/H) | ||||||||||||||||||||
log(C/H) | <-8.00 | |||||||||||||||||||
log(N/H) | ||||||||||||||||||||
log(O/H) | ||||||||||||||||||||
log(Na/H) | ||||||||||||||||||||
log(Mg/H) | ||||||||||||||||||||
log(Al/H) | ||||||||||||||||||||
log(Si/H) | -7.55 (0.1) | |||||||||||||||||||
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] | 12.73 (0.04) | 12.69 (0.06) | 12.73 | 12.73 (0.04) | 12.69 (0.06) | ||||||||||||||
Distance | [pc] | 78.58 (0.2) | 78.78 (0.4) | 77.00 | 80.00 | 78.58 | 78.58 (0.2) | 78.78 (0.4) | ||||||||||||
Composition | H | H | H | H | ||||||||||||||||
Proper motion (right ascension) | [mas/yr] | 59.80630619 (0.03) | 59.71702068 (0.07) | 59.806 (0.03) | 59.717 | 61.4 | ||||||||||||||
Proper motion (declination) | [mas/yr] | -12.6315254 (0.03) | -12.6298524 (0.08) | -12.632 (0.03) | -12.63 | -13.1 | ||||||||||||||
Variability | ||||||||||||||||||||
Magnetic | ||||||||||||||||||||
Bd | [MG] | |||||||||||||||||||
Infrared excess (disk) | ||||||||||||||||||||
Binarity | ||||||||||||||||||||
B magnitude | 15.50 | |||||||||||||||||||
V magnitude | 15.43 (0.04) | 15.46 | ||||||||||||||||||
R magnitude | ||||||||||||||||||||
I magnitude | ||||||||||||||||||||
J magnitude | 15.78 (0.06) | |||||||||||||||||||
H magnitude | 16.13 (0.2) | |||||||||||||||||||
K magnitude | 16.06 (0.1) | |||||||||||||||||||
u magnitude | 15.26 (0.004) | 15.26 (0.004) | 15.26 (0.004) | 15.28 (0.02) | 15.27 | 15.27 (0.02) | ||||||||||||||
g magnitude | 15.25 (0.003) | 15.25 (0.003) | 15.25 (0.003) | 15.30 (0.02) | 15.30 | 15.26 (0.02) | ||||||||||||||
r magnitude | 15.63 (0.003) | 15.63 (0.003) | 15.63 (0.003) | 15.65 (0.01) | 15.65 | 15.63 (0.01) | ||||||||||||||
i magnitude | 15.94 (0.004) | 15.94 (0.004) | 15.94 (0.004) | 15.98 (0.02) | 15.98 | 15.96 (0.02) | ||||||||||||||
z magnitude | 16.25 (0.007) | 16.25 (0.007) | 16.25 (0.007) | 16.29 (0.02) | 16.29 | 16.26 (0.02) | ||||||||||||||
G magnitude | 15.47 (0.002) | 15.49 | 15.47 | 15.47 (0.003) | 15.49 | |||||||||||||||
BP magnitude | 15.38 (0.002) | 15.34 | 15.34 | |||||||||||||||||
RP magnitude | 15.65 (0.003) | 15.66 | 15.66 | |||||||||||||||||
Pan g magnitude | 15.31 (0.003) | |||||||||||||||||||
Pan r magnitude | 15.65 (0.003) | |||||||||||||||||||
Pan i magnitude | 15.97 (0.003) | |||||||||||||||||||
Pan z magnitude | 16.24 (0.005) | |||||||||||||||||||
Pan y magnitude | 16.40 (0.01) | |||||||||||||||||||
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.