All names: SDSS J124517.65-000547.50, Gaia EDR3 3683940032719696768, SDSS J124517.65-000547.5, Gaia DR3 3683940032719696768, Gaia DR2 3683940028423369216
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
---|---|---|---|---|---|---|---|---|
Right ascension | 12 45 17.64 (0.4) | 12 45 17.65 | 12 45 17.64 (0.5) | 12 45 17.65 (0.4) | ||||
Declination | -00 05 47.50 (0.2) | -00 05 47.57 | -00 05 47.50 (0.3) | -00 05 47.48 (0.2) | ||||
Spectral type | sdA | sdA | ||||||
Effective temperature | [K] | 7514.0 (63) | ||||||
log(g) | [cgs] | 6.18 (0.2) | ||||||
Mass | [M☉] | 0.15308 (0.002) | ||||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | |||||||
log(H/He) | ||||||||
log(C/He) | ||||||||
log(Ca/He) | ||||||||
log(Ca/H) | ||||||||
Parallax | [mas] | 0.80 (0.4) | 1.24 (0.5) | 0.80 (0.4) | ||||
Distance | [pc] | 1256.83 (632) | 806.14 (309) | 1256.76 (632) | ||||
Composition | ||||||||
Proper motion (right ascension) | [mas/yr] | -2.963199003 (0.6) | -3.175539796 (1) | -2.963 (0.6) | ||||
Proper motion (declination) | [mas/yr] | -1.584999205 (0.5) | -1.471768075 (0.6) | -1.585 (0.5) | ||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | ||||||||
B magnitude | ||||||||
V magnitude | ||||||||
R magnitude | ||||||||
I magnitude | ||||||||
J magnitude | ||||||||
H magnitude | ||||||||
K magnitude | ||||||||
u magnitude | 20.89 (0.07) | 20.82 (0.07) | 20.82 (0.07) | |||||
g magnitude | 19.85 (0.01) | 19.86 (0.02) | 19.86 (0.02) | |||||
r magnitude | 19.66 (0.02) | 19.67 (0.03) | 19.67 (0.03) | |||||
i magnitude | 19.73 (0.02) | 19.74 (0.03) | 19.74 (0.03) | |||||
z magnitude | 19.80 (0.08) | 19.83 (0.09) | 19.83 (0.09) | |||||
G magnitude | 19.65 (0.05) | 19.70 | 19.65 (0.004) | |||||
BP magnitude | 19.79 (0.05) | 19.74 | ||||||
RP magnitude | 19.34 (0.04) | 19.23 | ||||||
Pan g magnitude | 19.80 (0.008) | |||||||
Pan r magnitude | 19.66 (0.01) | |||||||
Pan i magnitude | 19.66 (0.02) | |||||||
Pan z magnitude | 19.71 (0.02) | |||||||
Pan y magnitude | 19.67 (0.03) | |||||||
E(B-V) | 0.022 |
* 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.