All names: Gaia DR2 826339578762880768, SDSS J094233.92+504837.2, SDSS J094233.92+504837.27, GALEX J094233.9+504837, Gaia DR3 826339578762880768, Gaia EDR3 826339578762880768
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 42 33.93 (0.5) | 09 42 33.92 | 09 42 33.93 (0.7) | 09 42 33.93 (0.5) | ||||||
Declination | 50 48 37.19 (0.4) | 50 48 37.27 | 50 48 37.19 (0.6) | 50 48 37.29 (0.4) | ||||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 8319.0 | 10777.0 (66) | |||||||
log(g) | [cgs] | 7.14 | 7.99 (0.1) | |||||||
Mass | [M☉] | 0.239 | 0.503 (0.05) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.4335 | ||||||||
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] | 1.26 (0.7) | 1.64 (0.9) | 1.26 (0.7) | ||||||
Distance | [pc] | 791.55 (412) | 611.00 (336) | 791.58 (412) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | 2.26453873 (0.8) | 2.108170091 (2) | 2.265 (0.8) | ||||||
Proper motion (declination) | [mas/yr] | -5.881690204 (0.5) | -6.547346724 (1) | -5.882 (0.5) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 20.83 (0.08) | 20.83 (0.09) | 20.83 (0.08) | |||||||
g magnitude | 20.61 (0.03) | 20.64 (0.07) | 20.61 (0.03) | |||||||
r magnitude | 20.67 (0.04) | 20.69 (0.04) | 20.67 (0.04) | |||||||
i magnitude | 20.86 (0.06) | 20.86 (0.07) | 20.86 (0.07) | |||||||
z magnitude | 20.64 (0.2) | 20.63 (0.2) | 20.64 (0.2) | |||||||
G magnitude | 20.58 (0.09) | 20.67 | 20.58 (0.008) | |||||||
BP magnitude | 20.56 (0.09) | 20.69 | ||||||||
RP magnitude | 20.34 (0.1) | 20.46 | ||||||||
Pan g magnitude | 21.01 (0.2) | |||||||||
Pan r magnitude | 20.69 (0.02) | |||||||||
Pan i magnitude | 20.88 (0.03) | |||||||||
Pan z magnitude | 20.86 (0.08) | |||||||||
Pan y magnitude | ||||||||||
E(B-V) | 0.021 |
* 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.