All names: GALEX J192858.9+542950, UCAC4 723-064178, TIC 394131772, Gaia EDR3 2141466403116486912, WDJ192858.85+542950.07, Gaia DR2 2141466403116486912, J1928+5429, 2MASS J19285887+5429498, Gaia DR3 2141466403116486912
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Jewett et al. 2024 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 19 28 58.89 (0.04) | 19 28 58.89 | 19 28 58.89 | 19 28 58.85 (0.04) | 19 28 58.89 | ||||||
Declination | 54 29 49.87 (0.04) | 54 29 49.88 | 54 29 49.87 | 54 29 50.07 (0.04) | 54 29 49.88 | ||||||
Spectral type | DA | DA | DA | ||||||||
Effective temperature | [K] | 12914.0 (130) | 12915.0 | 13272.0 | 13302.0 (219) | ||||||
log(g) | [cgs] | 8.49 | 8.49 | 8.48 | 8.50 (0.01) | ||||||
Mass | [M☉] | 0.915 (0.006) | 0.915 | 0.892 | 0.924 (0.008) | ||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 0.6800 (0.02) | 0.6516 | 0.6133 | |||||||
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] | 14.70 (0.04) | 14.71 (0.05) | 14.70 | 14.70 (0.04) | 14.71 (0.05) | |||||
Distance | [pc] | 68.04 (0.2) | 67.99 (0.2) | 68.04 | 68.04 (0.2) | 67.99 (0.2) | |||||
Composition | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | 21.61977659 (0.05) | 21.61801993 (0.1) | 21.62 (0.05) | 21.61801993 | ||||||
Proper motion (declination) | [mas/yr] | -12.57961398 (0.05) | -12.60231142 (0.1) | -12.58 (0.05) | -12.60231142 | ||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | |||||||||||
V magnitude | |||||||||||
R magnitude | |||||||||||
I magnitude | |||||||||||
J magnitude | 16.58 (0.1) | ||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | |||||||||||
g magnitude | |||||||||||
r magnitude | |||||||||||
i magnitude | |||||||||||
z magnitude | |||||||||||
G magnitude | 16.46 (0.004) | 16.48 | 16.46 | 16.46 (0.003) | 16.48 | ||||||
BP magnitude | 16.46 (0.004) | 16.46 | 16.46 | ||||||||
RP magnitude | 16.50 (0.007) | 16.51 | 16.51 | ||||||||
Pan g magnitude | 16.39 (0.003) | ||||||||||
Pan r magnitude | 16.58 (0.003) | ||||||||||
Pan i magnitude | 16.81 (0.003) | ||||||||||
Pan z magnitude | 17.04 (0.007) | ||||||||||
Pan y magnitude | 17.20 (0.02) | ||||||||||
E(B-V) | 0.007 |
* 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.