All names: SDSS J030848.42-065933.5, SLW J0308-0659A, WDS J03088-0700A, SDSS J030848.42-065933.4, Gaia DR2 5179952870778776064, Gaia DR3 5179952870778776064, WD 0306-071, Gaia EDR3 5179952870778776064, GALEX J030848.4-065933
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 | 03 08 48.47 (0.09) | 03 08 48.43 | 03 08 48.47 (0.1) | 03 08 48.47 | 03 08 48.42 (0.09) | 03 08 48.43 | 03 08 47.69 | 03 08 48.42 | 03 08 48.42 | ||||||
Declination | -06 59 33.63 (0.09) | -06 59 33.49 | -06 59 33.62 (0.1) | -06 59 33.63 | -06 59 33.51 (0.09) | -06 59 33.49 | -06 59 29.04 | -06 59 33.49 | -06 59 33.47 | ||||||
Spectral type | DA | DA | DA | DA | DA | DA3.7 | DA | DA | |||||||
Effective temperature | [K] | 13357.0 | 13810.0 (300) | 14139.0 (557) | 13465.0 (108) | 13563.0 (135) | 13585.0 (110) | ||||||||
log(g) | [cgs] | 8.09 | 8.05 (0.04) | 8.10 (0.04) | 8.00 (0.03) | 8.08 (0.03) | 8.03 (0.03) | ||||||||
Mass | [M☉] | 0.663 | 0.64 (0.02) | 0.669 (0.03) | 0.652 (0.02) | ||||||||||
log(Luminosity) | [L☉] | ||||||||||||||
Cooling age | [Gyr] | 0.3173 | 0.2884 | ||||||||||||
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] | 5.95 (0.1) | 6.12 (0.1) | 5.95 | 5.95 (0.1) | ||||||||||
Distance | [pc] | 167.96 (3) | 163.29 (3) | 167.96 | 167.96 (3) | ||||||||||
Composition | H | H | |||||||||||||
Proper motion (right ascension) | [mas/yr] | 42.98695281 (0.1) | 43.40301071 (0.2) | 42.987 (0.1) | 45.4 | 43.0 | |||||||||
Proper motion (declination) | [mas/yr] | -7.005575291 (0.1) | -7.422789459 (0.2) | -7.006 (0.1) | -3.7 | -5.0 | |||||||||
Variability | |||||||||||||||
Magnetic | |||||||||||||||
Bd | [MG] | ||||||||||||||
Infrared excess (disk) | |||||||||||||||
Binarity | |||||||||||||||
B magnitude | |||||||||||||||
V magnitude | |||||||||||||||
R magnitude | |||||||||||||||
I magnitude | |||||||||||||||
J magnitude | |||||||||||||||
H magnitude | |||||||||||||||
K magnitude | |||||||||||||||
u magnitude | 18.05 (0.01) | 18.05 (0.01) | 18.00 (0.02) | 17.98 | 18.01 (0.02) | 17.98 (0.02) | |||||||||
g magnitude | 17.61 (0.005) | 17.61 (0.005) | 17.61 (0.03) | 17.62 | 17.62 (0.03) | 17.62 (0.03) | |||||||||
r magnitude | 17.84 (0.006) | 17.84 (0.006) | 17.83 (0.02) | 17.83 | 17.84 (0.02) | 17.83 (0.02) | |||||||||
i magnitude | 18.05 (0.009) | 18.05 (0.009) | 18.04 (0.01) | 18.05 | 18.05 (0.01) | 18.05 (0.01) | |||||||||
z magnitude | 18.33 (0.03) | 18.33 (0.03) | 18.34 (0.03) | 18.36 | 18.34 (0.03) | 18.36 (0.03) | |||||||||
G magnitude | 17.73 (0.01) | 17.75 | 17.73 | 17.73 (0.003) | |||||||||||
BP magnitude | 17.72 (0.01) | 17.71 | |||||||||||||
RP magnitude | 17.78 (0.03) | 17.81 | |||||||||||||
Pan g magnitude | 17.62 (0.004) | ||||||||||||||
Pan r magnitude | 17.83 (0.005) | ||||||||||||||
Pan i magnitude | 18.09 (0.003) | ||||||||||||||
Pan z magnitude | 18.32 (0.01) | ||||||||||||||
Pan y magnitude | 18.48 (0.02) | ||||||||||||||
E(B-V) | 0.010 |
* 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.