All names: Gaia DR3 4009426256570390272, Gaia DR2 4009426256570390272, Gaia EDR3 4009426256570390272, SDSS J121445.23+264524.3, SDSS J121445.23+264524.37, GALEX J121445.3+264523
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|---|---|
Right ascension | 12 14 45.23 (0.3) | 12 14 45.23 | 12 14 45.23 (0.4) | 12 14 45.23 (0.3) | |||
Declination | 26 45 24.26 (0.2) | 26 45 24.36 | 26 45 24.26 (0.8) | 26 45 24.32 (0.2) | |||
Spectral type | DAZ | DAZ | |||||
Effective temperature | [K] | 7343.0 (53) | |||||
log(g) | [cgs] | 5.28 (0.2) | |||||
Mass | [M☉] | ||||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | ||||||
log(H/He) | |||||||
log(C/He) | |||||||
log(Ca/He) | |||||||
log(Ca/H) | |||||||
Parallax | [mas] | -0.13 (0.3) | -0.43 (0.6) | ||||
Distance | [pc] | ||||||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | -2.459737304 (0.3) | -3.008314115 (0.9) | -2.46 (0.3) | |||
Proper motion (declination) | [mas/yr] | -4.048734484 (0.2) | -2.758664671 (2) | -4.049 (0.2) | |||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | |||||||
B magnitude | |||||||
V magnitude | |||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | |||||||
H magnitude | |||||||
K magnitude | |||||||
u magnitude | 20.16 (0.04) | 20.13 (0.04) | 20.13 (0.04) | ||||
g magnitude | 19.34 (0.01) | 19.36 (0.02) | 19.36 (0.02) | ||||
r magnitude | 19.26 (0.01) | 19.27 (0.02) | 19.27 (0.02) | ||||
i magnitude | 19.28 (0.02) | 19.27 (0.02) | 19.27 (0.02) | ||||
z magnitude | 19.25 (0.05) | 19.26 (0.05) | 19.26 (0.05) | ||||
G magnitude | 19.25 (0.04) | 19.28 | 19.25 (0.004) | ||||
BP magnitude | 19.45 (0.04) | 19.51 | |||||
RP magnitude | 18.98 (0.03) | 19.00 | |||||
Pan g magnitude | 19.35 (0.009) | ||||||
Pan r magnitude | 19.28 (0.01) | ||||||
Pan i magnitude | 19.28 (0.02) | ||||||
Pan z magnitude | 19.41 (0.02) | ||||||
Pan y magnitude | 19.26 (0.08) | ||||||
E(B-V) |
* 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.