All names: SDSS J085726.11+244931.73, Gaia DR3 689864106714646656, Gaia EDR3 689864106714646656, SDSS J085726.10+244931.7, GALEX J085726.0+244932, SDSS J085726.11+244931.7, Gaia DR2 689864106714646656
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|---|---|
Right ascension | 08 57 26.12 (13) | 08 57 26.11 | 08 57 26.11 (19) | 08 57 26.12 (13) | |||
Declination | 24 49 31.66 (6) | 24 49 31.73 | 24 49 31.70 (9) | 24 49 31.66 (6) | |||
Spectral type | DA | DA | |||||
Effective temperature | [K] | 9380.0 (201) | |||||
log(g) | [cgs] | 6.89 (0.3) | |||||
Mass | [M☉] | 0.233 (0.07) | |||||
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 | 21.89 (0.2) | 21.92 (0.2) | 21.92 (0.2) | ||||
g magnitude | 21.24 (0.05) | 21.28 (0.04) | 21.24 (0.04) | ||||
r magnitude | 21.22 (0.06) | 21.30 (0.06) | 21.22 (0.06) | ||||
i magnitude | 20.92 (0.07) | 21.02 (0.07) | 20.92 (0.07) | ||||
z magnitude | 20.27 (0.1) | 20.36 (0.1) | 20.36 (0.1) | ||||
G magnitude | 21.14 (0.2) | 21.14 | 21.14 (0.02) | ||||
BP magnitude | 21.06 (0.2) | ||||||
RP magnitude | 20.50 (0.3) | ||||||
Pan g magnitude | 21.28 (0.06) | ||||||
Pan r magnitude | 21.26 (0.04) | ||||||
Pan i magnitude | 20.91 (0.04) | ||||||
Pan z magnitude | 20.37 (0.04) | ||||||
Pan y magnitude | 19.94 (0.05) | ||||||
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.