All names: Gaia EDR3 598468096008992640, GALEX J085048.2+101801, EPIC 228682409, Gaia DR3 598468096008992640, SDSS J085048.18+101800.8, Gaia DR2 598468096008992640, SDSS J085048.18+101800.9
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 08 50 48.16 (0.4) | 08 50 48.18 | 08 50 48.16 (0.6) | 08 50 48.19 (0.4) | 08 50 48.18 | |||||
Declination | 10 18 00.57 (0.2) | 10 18 00.83 | 10 18 00.58 (0.4) | 10 18 01.04 (0.2) | 10 18 00.88 | |||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 9630.0 | 9859.0 (106) | |||||||
log(g) | [cgs] | 8.26 | 8.19 (0.1) | |||||||
Mass | [M☉] | 0.763 | 0.71 (0.09) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.9773 | ||||||||
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] | 3.37 (0.5) | 3.56 (0.7) | 3.37 (0.5) | ||||||
Distance | [pc] | 296.40 (43) | 280.64 (55) | 296.40 (43) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -26.43675338 (0.5) | -26.51077591 (1) | -26.437 (0.5) | ||||||
Proper motion (declination) | [mas/yr] | -29.32904562 (0.4) | -28.96377155 (0.7) | -29.329 (0.3) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 20.42 (0.05) | 20.42 (0.05) | 20.51 (0.07) | |||||||
g magnitude | 19.83 (0.02) | 19.83 (0.01) | 19.99 (0.02) | |||||||
r magnitude | 20.08 (0.02) | 20.08 (0.03) | 20.31 (0.04) | |||||||
i magnitude | 19.98 (0.03) | 19.98 (0.03) | 20.14 (0.04) | |||||||
z magnitude | 20.07 (0.09) | 20.07 (0.09) | 20.26 (0.08) | |||||||
G magnitude | 20.00 (0.04) | 20.04 | 20.00 (0.004) | |||||||
BP magnitude | 19.97 (0.04) | 20.03 | ||||||||
RP magnitude | 19.83 (0.06) | 19.81 | ||||||||
Pan g magnitude | 19.95 (0.008) | |||||||||
Pan r magnitude | 20.02 (0.01) | |||||||||
Pan i magnitude | 20.15 (0.01) | |||||||||
Pan z magnitude | 20.25 (0.05) | |||||||||
Pan y magnitude | 19.98 (0.2) | |||||||||
E(B-V) | 0.023 |
* 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.