All names: Gaia EDR3 1772852278044283904, USNO-B1.0 1067-00616796, Gaia DR2 1772852278044283904, GALEX J215114.5+164523, HS 2148+1631, Gaia DR3 1772852278044283904, UCAC4 534-138927, TIC 385057147, WD 2148+165, 2MASS J21511456+1645240
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Koester et al. 2009 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 21 51 14.66 (0.1) | 21 51 14.66 (0.1) | 21 51 14.66 | 21 51 14.56 (0.1) | 21 51 14.04 | |||||
Declination | 16 45 22.93 (0.09) | 16 45 22.95 (0.1) | 16 45 22.93 | 16 45 23.73 (0.09) | 16 45 23.40 | |||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 13804.0 | 16776.0 (34) | 15870.0 (191) | ||||||
log(g) | [cgs] | 7.32 | 7.79 (0.007) | 7.65 (0.02) | ||||||
Mass | [M☉] | 0.312 | 0.438 (0.01) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.1205 | ||||||||
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] | 8.85 (0.1) | 7.92 (0.1) | 8.85 | 8.85 (0.1) | |||||
Distance | [pc] | 112.97 (2) | 126.26 (2) | 112.97 | 112.98 (2) | |||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | 90.98865404 (0.1) | 89.20172728 (0.3) | 90.989 (0.1) | ||||||
Proper motion (declination) | [mas/yr] | -49.84497782 (0.1) | -47.11982263 (0.3) | -49.845 (0.1) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | 15.90 | 16.06 (0.05) | ||||||||
V magnitude | 15.91 (0.03) | |||||||||
R magnitude | 15.50 | |||||||||
I magnitude | ||||||||||
J magnitude | 16.38 (0.1) | |||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | ||||||||||
g magnitude | ||||||||||
r magnitude | ||||||||||
i magnitude | ||||||||||
z magnitude | ||||||||||
G magnitude | 15.99 (0.003) | 16.01 | 15.99 | 15.99 (0.003) | ||||||
BP magnitude | 15.95 (0.003) | 15.94 | ||||||||
RP magnitude | 16.10 (0.004) | 16.11 | ||||||||
Pan g magnitude | 15.88 (0.002) | |||||||||
Pan r magnitude | 16.15 (0.002) | |||||||||
Pan i magnitude | 16.41 (0.003) | |||||||||
Pan z magnitude | 16.65 (0.003) | |||||||||
Pan y magnitude | 16.80 (0.006) | |||||||||
E(B-V) | 0.010 |
* 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.