All names: SDSS J015817.25-091330.6, GALEX J015817.2-091330, SDSS J015817.25-091330.8, SDSS J015817.25-091330.70, Gaia DR2 2462792354139597440, Gaia DR3 2462792354139753088, SDSS J015817.25-091330.7, Gaia EDR3 2462792354139753088
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 | 01 58 17.28 (0.4) | 01 58 17.25 | 01 58 17.27 (0.6) | 01 58 17.25 (0.4) | ||||||
Declination | -09 13 30.52 (0.4) | -09 13 30.70 | -09 13 30.53 (0.6) | -09 13 30.89 (0.4) | ||||||
Spectral type | DA: | DA: | DA | DA | ||||||
Effective temperature | [K] | 6844.0 | 6771.0 (100) | |||||||
log(g) | [cgs] | 7.97 | 7.85 (0.2) | |||||||
Mass | [M☉] | 0.575 | 0.502 (0.09) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 1.5430 | ||||||||
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] | 4.56 (0.5) | 4.89 (0.7) | 4.56 (0.5) | ||||||
Distance | [pc] | 219.32 (23) | 204.29 (29) | 219.32 (23) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | 24.33681024 (0.5) | 23.34090974 (1) | 24.337 (0.5) | ||||||
Proper motion (declination) | [mas/yr] | 23.48524545 (0.4) | 22.13689354 (1) | 23.485 (0.4) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 20.82 (0.08) | 20.81 (0.08) | 20.82 (0.08) | |||||||
g magnitude | 20.23 (0.02) | 20.24 (0.03) | 20.23 (0.02) | |||||||
r magnitude | 20.07 (0.02) | 20.06 (0.02) | 20.07 (0.02) | |||||||
i magnitude | 20.03 (0.03) | 20.03 (0.03) | 20.03 (0.03) | |||||||
z magnitude | 20.08 (0.1) | 20.07 (0.1) | 20.07 (0.1) | |||||||
G magnitude | 20.04 (0.05) | 20.10 | 20.04 (0.005) | |||||||
BP magnitude | 20.23 (0.05) | 20.14 | ||||||||
RP magnitude | 19.78 (0.08) | 19.73 | ||||||||
Pan g magnitude | 20.21 (0.02) | |||||||||
Pan r magnitude | 20.06 (0.02) | |||||||||
Pan i magnitude | 20.03 (0.009) | |||||||||
Pan z magnitude | 20.14 (0.05) | |||||||||
Pan y magnitude | 20.02 (0.01) | |||||||||
E(B-V) | 0.025 |
* 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.