All names: Gaia EDR3 4574896775975773312, LAMOST J170530.82+271523.3, Gaia DR2 4574896775975773312, Gaia DR3 4574896775975773312, SDSS J170530.82+271523.3, SDSS J170530.81+271523.2, GALEX J170530.8+271523
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 17 05 30.83 (0.05) | 17 05 30.81 | 17 05 30.83 (0.07) | 17 05 30.83 | 17 05 30.81 (0.05) | 17 05 30.82 | |||||||
Declination | 27 15 23.23 (0.05) | 27 15 23.30 | 27 15 23.23 (0.07) | 27 15 23.23 | 27 15 23.26 (0.05) | 27 15 23.34 | |||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 37236.0 (313) | 27182.0 | 40962.0 (3377) | 37086.0 (164) | ||||||||
log(g) | [cgs] | 7.87 (0.04) | 7.47 | 7.83 (0.06) | 7.79 (0.03) | ||||||||
Mass | [M☉] | 0.6 (0.02) | 0.409 | 0.588 (0.04) | 0.565 (0.01) | ||||||||
log(Luminosity) | [L☉] | -0.42 (0.03) | |||||||||||
Cooling age | [Gyr] | 0.0046 (0.0001) | 0.0130 | ||||||||||
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] | 2.32 (0.07) | 2.45 (0.09) | 2.32 | 2.32 (0.07) | ||||||||
Distance | [pc] | 431.60 (13) | 408.17 (16) | 431.60 | 431.59 (13) | ||||||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 14.24679206 (0.07) | 14.14000088 (0.2) | 14.247 (0.07) | |||||||||
Proper motion (declination) | [mas/yr] | -1.660485443 (0.07) | -1.868768502 (0.2) | -1.66 (0.07) | |||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | |||||||||||||
V magnitude | |||||||||||||
R magnitude | |||||||||||||
I magnitude | |||||||||||||
J magnitude | |||||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | 16.82 (0.007) | 16.82 (0.007) | 16.85 (0.01) | ||||||||||
g magnitude | 17.12 (0.005) | 17.12 (0.005) | 17.16 (0.02) | ||||||||||
r magnitude | 17.64 (0.006) | 17.64 (0.006) | 17.64 (0.02) | ||||||||||
i magnitude | 17.98 (0.008) | 17.98 (0.008) | 17.98 (0.02) | ||||||||||
z magnitude | 18.31 (0.03) | 18.31 (0.03) | 18.30 (0.03) | ||||||||||
G magnitude | 17.39 (0.006) | 17.42 | 17.39 | 17.39 (0.003) | |||||||||
BP magnitude | 17.26 (0.006) | 17.20 | |||||||||||
RP magnitude | 17.70 (0.01) | 17.68 | |||||||||||
Pan g magnitude | 17.21 (0.005) | ||||||||||||
Pan r magnitude | 17.64 (0.003) | ||||||||||||
Pan i magnitude | 18.00 (0.004) | ||||||||||||
Pan z magnitude | 18.29 (0.009) | ||||||||||||
Pan y magnitude | 18.45 (0.02) | ||||||||||||
E(B-V) | 0.028 |
* 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.