All names: SDSS J080131.83+485252.6, WDJ080131.87+485252.54, TIC 252972234, SDSS J080131.82+485252.5, J0801+4852, PM J08015+4852, 2MASS J08013189+4852523, WDJ080131.87+485252.55, GALEX J080131.7+485252, 08015+4852, Gaia DR2 933287876501371520, Gaia DR3 933287876501371520, Gaia EDR3 933287876501371520
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | McCleery et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 08 01 31.69 (0.08) | 08 01 31.70 (0.09) | 08 01 31.70 | 08 01 31.69 | 08 01 31.87 (0.08) | 08 01 31.70 | ||||||||||
Declination | 48 52 52.62 (0.07) | 48 52 52.62 (0.08) | 48 52 52.62 | 48 52 52.62 | 48 52 52.54 (0.07) | 48 52 52.62 | ||||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | ||||||||
Effective temperature | [K] | 5161.0 (16) | 5066.0 (66) | 5138.0 (14) | 5161.0 (16) | 5066.0 (46) | 5191.0 | 4881.0 | 5280.0 (365) | 5216.0 (43) | ||||||
log(g) | [cgs] | 7.95 (0.008) | 7.90 (0.05) | 7.92 (0.009) | 7.94 (0.009) | 7.90 (0.04) | 7.96 | 7.75 | 8.00 (0.2) | 7.98 (0.02) | ||||||
Mass | [M☉] | 0.55 (0.007) | 0.52 (0.03) | 0.532 (0.007) | 0.548 (0.008) | 0.559 | 0.428 | 0.58 (0.1) | 0.572 (0.02) | |||||||
log(Luminosity) | [L☉] | -3.95 | ||||||||||||||
Cooling age | [Gyr] | 3.9000 | 4.2340 | 3.6310 | ||||||||||||
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] | 27.91 (0.1) | 27.91 (0.1) | 27.87 (0.1) | 27.87 (0.1) | 27.87 (0.1) | 27.91 | 27.91 (0.1) | 27.87 (0.1) | |||||||
Distance | [pc] | 35.83 (0.1) | 35.83 (0.1) | 35.88 (0.2) | 35.88 (0.2) | 35.88 (0.2) | 36.10 (5) | 35.83 | 35.83 (0.1) | 35.88 (0.2) | ||||||
Composition | H | H | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | -110.6690821 (0.1) | -110.5285264 (0.2) | -116.0 | -110.669 (0.1) | -110.5285264 | ||||||||||
Proper motion (declination) | [mas/yr] | 4.911164374 (0.07) | 4.64813451 (0.2) | 14.0 | 4.911 (0.07) | 4.64813451 | ||||||||||
Variability | ||||||||||||||||
Magnetic | ||||||||||||||||
Bd | [MG] | |||||||||||||||
Infrared excess (disk) | ||||||||||||||||
Binarity | ||||||||||||||||
B magnitude | ||||||||||||||||
V magnitude | ||||||||||||||||
R magnitude | ||||||||||||||||
I magnitude | ||||||||||||||||
J magnitude | 16.17 (0.01) | 16.31 | 16.31 (0.1) | |||||||||||||
H magnitude | 15.78 (0.03) | 15.78 | 15.78 (0.2) | |||||||||||||
K magnitude | 15.68 (0.03) | 15.68 | 15.68 (0.2) | |||||||||||||
u magnitude | 19.47 (0.03) | 19.47 | 19.46 (0.03) | 19.46 (0.03) | ||||||||||||
g magnitude | 17.99 | 17.99 (0.006) | 17.99 (0.006) | |||||||||||||
r magnitude | 17.37 | 17.37 (0.005) | 17.37 (0.005) | |||||||||||||
i magnitude | 17.12 | 17.12 (0.006) | 17.12 (0.006) | |||||||||||||
z magnitude | 17.03 | 17.03 (0.01) | 17.03 (0.01) | |||||||||||||
G magnitude | 17.44 (0.01) | 17.45 | 17.45 | 17.44 | 17.44 (0.003) | 17.45 | ||||||||||
BP magnitude | 17.85 (0.01) | 17.86 | 17.86 | |||||||||||||
RP magnitude | 16.80 (0.007) | 16.81 | 16.81 | |||||||||||||
Pan g magnitude | 17.92 (0.004) | 17.92 (0.005) | ||||||||||||||
Pan r magnitude | 17.38 (0.005) | 17.38 (0.005) | ||||||||||||||
Pan i magnitude | 17.15 (0.002) | 17.15 (0.002) | ||||||||||||||
Pan z magnitude | 17.08 (0.005) | 17.08 (0.005) | ||||||||||||||
Pan y magnitude | 17.05 (0.01) | 17.05 (0.01) | ||||||||||||||
E(B-V) | 0.001 |
* 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.