All names: SDSS J082559.53+434600.36, Gaia DR2 916353194115309824, Gaia EDR3 916353194115309824, Gaia DR3 916353194115309824, SDSS J082559.53+434600.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 25 59.54 (0.1) | 08 25 59.54 | 08 25 59.54 (0.1) | 08 25 59.54 (0.1) | ||||
| Declination | 43 46 00.29 (0.06) | 43 46 00.37 | 43 46 00.30 (0.09) | 43 46 00.40 (0.06) | ||||
| Spectral type | sdA | sdA | ||||||
| Effective temperature | [K] | 7062.0 (25) | ||||||
| log(g) | [cgs] | 5.88 (0.07) | ||||||
| Mass | [M☉] | 0.1463 (0.0004) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.29 (0.1) | 0.29 (0.2) | 0.29 (0.1) | ||||
| Distance | [pc] | 3393.84 (1608) | 3463.05 (2089) | 3393.28 (1607) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -0.854982504 (0.1) | -1.05403692 (0.3) | -0.855 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -6.83872995 (0.1) | -6.819203042 (0.2) | -6.839 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 19.15 (0.03) | 19.17 (0.03) | 19.17 (0.03) | |||||
| g magnitude | 18.23 (0.007) | 18.27 (0.01) | 18.27 (0.01) | |||||
| r magnitude | 18.01 (0.007) | 18.12 (0.02) | 18.12 (0.02) | |||||
| i magnitude | 17.86 (0.008) | 17.90 (0.02) | 17.90 (0.02) | |||||
| z magnitude | 17.76 (0.02) | 17.83 (0.03) | 17.83 (0.03) | |||||
| G magnitude | 17.98 (0.02) | 18.00 | 17.98 (0.003) | |||||
| BP magnitude | 18.25 (0.02) | 18.21 | ||||||
| RP magnitude | 17.61 (0.01) | 17.58 | ||||||
| Pan g magnitude | 18.23 (0.01) | |||||||
| Pan r magnitude | 18.01 (0.006) | |||||||
| Pan i magnitude | 17.92 (0.004) | |||||||
| Pan z magnitude | 17.93 (0.01) | |||||||
| Pan y magnitude | 17.90 (0.01) | |||||||
| E(B-V) | 0.032 | |||||||
* 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.