All names: Gaia EDR3 707038203462923392, SDSS J084844.03+322216.43, SDSS J084844.03+322216.4, Gaia DR3 707038203462923392, Gaia DR2 707038203462923392, GALEX J084844.0+322216
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|---|---|
Right ascension | 08 48 44.02 (1) | 08 48 44.03 | 08 48 44.02 (2) | 08 48 44.04 (1) | |||
Declination | 32 22 16.30 (0.9) | 32 22 16.45 | 32 22 16.30 (1) | 32 22 16.50 (0.9) | |||
Spectral type | DA | DA | |||||
Effective temperature | [K] | 8703.0 (147) | |||||
log(g) | [cgs] | 7.92 (0.2) | |||||
Mass | [M☉] | 0.5539999999999999 (0.1) | |||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | ||||||
log(H/He) | |||||||
log(C/He) | |||||||
log(Ca/He) | |||||||
log(Ca/H) | |||||||
Parallax | [mas] | -1.11 (2) | -0.90 (3) | ||||
Distance | [pc] | ||||||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | -19.90321603 (2) | -19.87676049 (4) | -19.903 (2) | |||
Proper motion (declination) | [mas/yr] | -12.38564829 (1) | -11.48923825 (3) | -12.386 (1) | |||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | |||||||
B magnitude | |||||||
V magnitude | |||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | |||||||
H magnitude | |||||||
K magnitude | |||||||
u magnitude | 21.24 (0.1) | 21.20 (0.1) | 21.20 (0.1) | ||||
g magnitude | 20.82 (0.03) | 20.82 (0.03) | 20.82 (0.03) | ||||
r magnitude | 20.82 (0.04) | 20.80 (0.04) | 20.80 (0.04) | ||||
i magnitude | 20.80 (0.06) | 20.79 (0.06) | 20.79 (0.06) | ||||
z magnitude | 20.75 (0.2) | 20.73 (0.2) | 20.73 (0.2) | ||||
G magnitude | 20.76 (0.2) | 20.84 | 20.76 (0.01) | ||||
BP magnitude | 20.70 (0.2) | 20.82 | |||||
RP magnitude | 20.28 (0.2) | 20.46 | |||||
Pan g magnitude | 20.80 (0.05) | ||||||
Pan r magnitude | 20.83 (0.04) | ||||||
Pan i magnitude | 20.87 (0.03) | ||||||
Pan z magnitude | 20.78 (0.03) | ||||||
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.