All names: Gaia DR2 1544718145154036736, Gaia DR3 1544718145154036736, Gaia EDR3 1544718145154036736, SDSS J122842.12+504848.36, SDSS J122842.12+504848.3, GALEX J122841.9+504848
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Kepler et al. 2016 | Simbad |
---|---|---|---|---|---|---|---|
Right ascension | 12 28 42.15 (1) | 12 28 42.11 | 12 28 42.15 (2) | 12 28 42.15 (1) | |||
Declination | 50 48 48.18 (2) | 50 48 48.06 | 50 48 48.18 (4) | 50 48 48.18 (2) | |||
Spectral type | DA | DA | |||||
Effective temperature | [K] | 8342.0 (136) | |||||
log(g) | [cgs] | 6.33 (0.3) | |||||
Mass | [M☉] | 0.158 (0.01) | |||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | ||||||
log(H/He) | |||||||
log(C/He) | |||||||
log(Ca/He) | |||||||
log(Ca/H) | |||||||
Parallax | [mas] | ||||||
Distance | [pc] | ||||||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | ||||||
Proper motion (declination) | [mas/yr] | ||||||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | |||||||
B magnitude | |||||||
V magnitude | |||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | |||||||
H magnitude | |||||||
K magnitude | |||||||
u magnitude | 21.39 (0.09) | 21.43 (0.09) | 21.43 (0.09) | ||||
g magnitude | 21.12 (0.03) | 21.14 (0.03) | 21.14 (0.03) | ||||
r magnitude | 21.07 (0.04) | 21.09 (0.04) | 21.09 (0.04) | ||||
i magnitude | 21.03 (0.07) | 21.06 (0.07) | 21.06 (0.07) | ||||
z magnitude | 21.13 (0.2) | 21.11 (0.2) | 21.11 (0.2) | ||||
G magnitude | 21.00 (0.3) | 21.10 | 21.00 (0.02) | ||||
BP magnitude | 21.08 (0.3) | ||||||
RP magnitude | 21.62 (0.3) | ||||||
Pan g magnitude | 21.03 (0.05) | ||||||
Pan r magnitude | 20.98 (0.03) | ||||||
Pan i magnitude | 21.05 (0.03) | ||||||
Pan z magnitude | 21.04 (0.1) | ||||||
Pan y magnitude | |||||||
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.