All names: Gaia EDR3 288443578328906496, Gaia DR2 288443578328906496, SDSS J013128.27+203350.3, SDSS J013128.26+203350.3, Gaia DR3 288443578328906496, SDSS J013128.27+203350.35
Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|
Right ascension | 01 31 28.27 (1) | 01 31 28.27 | 01 31 28.27 (3) | 01 31 28.28 (1) | ||||
Declination | 20 33 50.13 (1) | 20 33 50.35 | 20 33 50.15 (6) | 20 33 50.54 (1) | ||||
Spectral type | DA | DA | DA | |||||
Effective temperature | [K] | 9015.0 (105) | ||||||
log(g) | [cgs] | 8.11 (0.2) | ||||||
Mass | [M☉] | 0.522 (0.07) | ||||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | |||||||
log(H/He) | ||||||||
log(C/He) | ||||||||
log(Ca/He) | ||||||||
log(Ca/H) | ||||||||
Parallax | [mas] | 1.20 (2) | 1.20 (2) | |||||
Distance | [pc] | 829.98 (1086) | 830.01 (1086) | |||||
Composition | ||||||||
Proper motion (right ascension) | [mas/yr] | -11.56139617 (2) | -11.561 (2) | |||||
Proper motion (declination) | [mas/yr] | -25.50689392 (1) | -25.507 (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 | 21.58 (0.2) | 21.54 (0.2) | 21.54 (0.2) | |||||
g magnitude | 21.05 (0.08) | 21.13 (0.09) | 21.13 (0.09) | |||||
r magnitude | 20.88 (0.05) | 20.98 (0.08) | 20.98 (0.08) | |||||
i magnitude | 20.82 (0.08) | 20.86 (0.08) | 20.86 (0.08) | |||||
z magnitude | 21.98 (1) | 21.79 (0.8) | ||||||
G magnitude | 20.70 (0.1) | 20.86 | 20.70 (0.009) | |||||
BP magnitude | 20.95 (0.1) | 20.65 | ||||||
RP magnitude | 20.36 (0.1) | 20.41 | ||||||
Pan g magnitude | ||||||||
Pan r magnitude | ||||||||
Pan i magnitude | ||||||||
Pan z magnitude | ||||||||
Pan y magnitude | ||||||||
E(B-V) | 0.058 |
* 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.