All names: Gaia DR3 815863019656468864, SDSS J091929.47+411803.2, SDSS J091929.47+411803.1, SDSS J091929.47+411803.06, Gaia EDR3 815863019656468864, SDSS J091929.47+411803.0, GALEX J091929.4+411802, Gaia DR2 815863019656468864
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 19 29.48 (0.1) | 09 19 29.48 | 09 19 29.48 (0.2) | 09 19 29.48 (0.1) | |||||||
Declination | 41 18 03.10 (0.09) | 41 18 03.22 | 41 18 03.10 (0.1) | 41 18 03.26 (0.09) | |||||||
Spectral type | DA | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 40389.0 (727) | 24316.0 | 44132.0 (626) | |||||||
log(g) | [cgs] | 7.96 (0.08) | 6.94 | 8.16 (0.06) | |||||||
Mass | [M☉] | 0.65 (0.04) | 0.277 | 0.7440000000000001 (0.03) | |||||||
log(Luminosity) | [L☉] | -0.33 (0.06) | |||||||||
Cooling age | [Gyr] | 0.0035 (0.0002) | |||||||||
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] | 0.99 (0.2) | 1.09 (0.3) | 0.99 (0.2) | |||||||
Distance | [pc] | 1006.98 (167) | 916.99 (222) | 1006.95 (167) | |||||||
Composition | H | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -2.328014783 (0.2) | -2.543826164 (0.3) | -2.328 (0.2) | |||||||
Proper motion (declination) | [mas/yr] | -10.16352574 (0.1) | -9.947809579 (0.3) | -10.164 (0.1) | |||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | |||||||||||
V magnitude | |||||||||||
R magnitude | |||||||||||
I magnitude | |||||||||||
J magnitude | |||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | 17.88 (0.01) | 17.92 (0.02) | 17.88 (0.01) | ||||||||
g magnitude | 18.23 (0.007) | 18.28 (0.03) | 18.23 (0.007) | ||||||||
r magnitude | 18.72 (0.009) | 18.73 (0.01) | 18.71 (0.009) | ||||||||
i magnitude | 19.08 (0.01) | 19.10 (0.03) | 19.09 (0.01) | ||||||||
z magnitude | 19.43 (0.05) | 19.42 (0.06) | 19.43 (0.05) | ||||||||
G magnitude | 18.47 (0.01) | 18.51 | 18.47 (0.003) | ||||||||
BP magnitude | 18.35 (0.01) | 18.26 | |||||||||
RP magnitude | 18.80 (0.04) | 18.70 | |||||||||
Pan g magnitude | 18.30 (0.006) | ||||||||||
Pan r magnitude | 18.72 (0.005) | ||||||||||
Pan i magnitude | 19.08 (0.005) | ||||||||||
Pan z magnitude | 19.34 (0.01) | ||||||||||
Pan y magnitude | 19.49 (0.03) | ||||||||||
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.