All names: LAMOST J085353.50+221629.0, SDSS J085353.50+221629.1, Gaia DR3 686113608128871424, USNO-B1.0 1122-00199875, [BGK2006] J085353.51+221629.0, LSPM J0853+2216, Gaia DR2 686113608128871424, SDSS J085353.50+221629.0, GALEX J085353.4+221630, Gaia EDR3 686113608128871424, SDSS J085353.51+221629.0
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 08 53 53.59 (0.06) | 08 53 53.51 | 08 53 53.58 (0.08) | 08 53 53.59 | 08 53 53.47 (0.06) | 08 53 53.51 | ||||||
Declination | 22 16 26.75 (0.03) | 22 16 29.00 | 22 16 26.86 (0.05) | 22 16 26.75 | 22 16 30.09 (0.03) | 22 16 29.04 | ||||||
Spectral type | DA | DA | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 14964.0 | 15818.0 (270) | 16800.0 (78) | ||||||||
log(g) | [cgs] | 7.79 | 7.83 (0.02) | 7.87 (0.01) | ||||||||
Mass | [M☉] | 0.498 | 0.524 (0.01) | 0.551 (0.005) | ||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.1415 | ||||||||||
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] | 7.17 (0.07) | 7.21 (0.1) | 7.17 | 7.17 (0.07) | |||||||
Distance | [pc] | 139.47 (1) | 138.72 (2) | 139.47 | 139.47 (1) | |||||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 105.8368776 (0.08) | 105.8044755 (0.2) | 105.837 (0.08) | ||||||||
Proper motion (declination) | [mas/yr] | -208.7788937 (0.05) | -208.7917025 (0.1) | -208.779 (0.05) | ||||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | 16.60 | |||||||||||
V magnitude | ||||||||||||
R magnitude | 16.90 | |||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 16.78 (0.007) | 16.78 (0.007) | 16.78 (0.02) | |||||||||
g magnitude | 16.55 (0.004) | 16.55 (0.004) | 16.57 (0.01) | |||||||||
r magnitude | 16.87 (0.005) | 16.87 (0.005) | 16.86 (0.02) | |||||||||
i magnitude | 17.12 (0.006) | 17.12 (0.006) | 17.13 (0.02) | |||||||||
z magnitude | 17.38 (0.01) | 17.38 (0.01) | 17.40 (0.02) | |||||||||
G magnitude | 16.71 (0.004) | 16.73 | 16.71 | 16.71 (0.003) | ||||||||
BP magnitude | 16.66 (0.004) | 16.65 | ||||||||||
RP magnitude | 16.82 (0.007) | 16.84 | ||||||||||
Pan g magnitude | 16.59 (0.008) | |||||||||||
Pan r magnitude | 16.87 (0.005) | |||||||||||
Pan i magnitude | 17.13 (0.005) | |||||||||||
Pan z magnitude | 17.40 (0.005) | |||||||||||
Pan y magnitude | 17.55 (0.01) | |||||||||||
E(B-V) | 0.006 |
* 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.