All names: Gaia DR3 3782170740846322816, 2QZ J102704.2-020336, GALEX J102704.2-020334, SDSS J102704.25-020335.5, SDSS J102704.24-020335.5, Gaia EDR3 3782170740846322816, Gaia DR2 3782170740846322816, SDSS J102704.25-020335.57
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|
Right ascension | 10 27 04.27 (0.5) | 10 27 04.25 | 10 27 04.25 (0.5) | |||||
Declination | -02 03 35.74 (0.8) | -02 03 35.58 | -02 03 35.63 (0.8) | |||||
Spectral type | DA | DA | DA | |||||
Effective temperature | [K] | 7813.0 (58) | ||||||
log(g) | [cgs] | 7.94 (0.09) | ||||||
Mass | [M☉] | 0.563 (0.04) | ||||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | |||||||
log(H/He) | ||||||||
log(C/He) | ||||||||
log(Ca/He) | ||||||||
log(Ca/H) | ||||||||
Parallax | [mas] | 4.73 (0.6) | 4.73 (0.6) | |||||
Distance | [pc] | 211.28 (27) | 211.28 (27) | |||||
Composition | ||||||||
Proper motion (right ascension) | [mas/yr] | 21.63725838 (0.5) | 21.637 (0.6) | |||||
Proper motion (declination) | [mas/yr] | -6.817672994 (0.9) | -6.818 (0.9) | |||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | ||||||||
B magnitude | 19.97 | |||||||
V magnitude | ||||||||
R magnitude | ||||||||
I magnitude | ||||||||
J magnitude | ||||||||
H magnitude | ||||||||
K magnitude | ||||||||
u magnitude | 20.23 (0.06) | 20.27 (0.06) | 20.27 (0.06) | |||||
g magnitude | 19.80 (0.02) | 19.85 (0.03) | 19.85 (0.03) | |||||
r magnitude | 19.70 (0.02) | 19.76 (0.03) | 19.76 (0.03) | |||||
i magnitude | 19.69 (0.03) | 19.76 (0.03) | 19.76 (0.03) | |||||
z magnitude | 19.92 (0.2) | 19.93 (0.1) | 19.93 (0.1) | |||||
G magnitude | 19.71 (0.06) | 19.71 (0.006) | ||||||
BP magnitude | 19.86 (0.06) | |||||||
RP magnitude | 19.54 (0.08) | |||||||
Pan g magnitude | 19.81 (0.01) | |||||||
Pan r magnitude | 19.70 (0.04) | |||||||
Pan i magnitude | 19.80 (0.02) | |||||||
Pan z magnitude | 19.80 (0.02) | |||||||
Pan y magnitude | 19.86 (0.07) | |||||||
E(B-V) | 0.018 |
* 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.