All names: GALEX J223423.5+283428, SDSS J223423.62+283426.40, SDSS J223423.62+283426.4, Gaia DR3 1882125278369837952, Gaia DR2 1882125278369837952, Gaia EDR3 1882125278369837952
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | Kepler et al. 2016 | Simbad |
---|---|---|---|---|---|---|---|
Right ascension | 22 34 23.61 (1) | 22 34 23.62 | 22 34 23.62 (1) | ||||
Declination | 28 34 26.09 (1) | 28 34 26.42 | 28 34 26.81 (1) | ||||
Spectral type | DA: | DA | |||||
Effective temperature | [K] | 7610.0 (260) | |||||
log(g) | [cgs] | 9.58 (0.3) | |||||
Mass | [M☉] | ||||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | ||||||
log(H/He) | |||||||
log(C/He) | |||||||
log(Ca/He) | |||||||
log(Ca/H) | |||||||
Parallax | [mas] | 1.97 (2) | 1.97 (2) | ||||
Distance | [pc] | 507.75 (435) | 507.74 (435) | ||||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | -10.07261151 (2) | -10.073 (2) | ||||
Proper motion (declination) | [mas/yr] | -44.77857826 (2) | -44.779 (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 | 21.42 (0.1) | 21.36 (0.09) | 21.36 (0.09) | ||||
g magnitude | 20.76 (0.03) | 20.77 (0.03) | 20.77 (0.03) | ||||
r magnitude | 20.63 (0.03) | 20.65 (0.03) | 20.65 (0.03) | ||||
i magnitude | 20.60 (0.05) | 20.60 (0.05) | 20.60 (0.05) | ||||
z magnitude | 20.71 (0.2) | 20.65 (0.2) | 20.65 (0.2) | ||||
G magnitude | 20.64 (0.1) | 20.64 (0.01) | |||||
BP magnitude | 20.70 (0.1) | ||||||
RP magnitude | 19.97 (0.2) | ||||||
Pan g magnitude | 20.74 (0.02) | ||||||
Pan r magnitude | 20.69 (0.03) | ||||||
Pan i magnitude | 20.70 (0.02) | ||||||
Pan z magnitude | 20.75 (0.1) | ||||||
Pan y magnitude | |||||||
E(B-V) | 0.056 |
* 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.