All names: Gaia DR3 586743629860047616, Gaia EDR3 586743629860047616, Gaia DR2 586743629860047616, SDSS J092030.83+064636.64, SDSS J092030.83+064636.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 20 30.83 (0.3) | 09 20 30.83 | 09 20 30.83 (0.5) | 09 20 30.83 (0.3) | ||||
| Declination | 06 46 36.68 (0.3) | 06 46 36.65 | 06 46 36.68 (0.5) | 06 46 36.71 (0.3) | ||||
| Spectral type | sdA | sdA | ||||||
| Effective temperature | [K] | 7907.0 (67) | ||||||
| log(g) | [cgs] | 6.08 (0.2) | ||||||
| Mass | [M☉] | 0.15294 (0.002) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.46 (0.4) | 0.37 (0.6) | 0.46 (0.4) | ||||
| Distance | [pc] | 2189.01 (1914) | 2707.98 (4574) | 2189.14 (1915) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -0.399006809 (0.4) | -1.16026323 (1) | -0.399 (0.4) | ||||
| Proper motion (declination) | [mas/yr] | -1.994861789 (0.3) | -2.477285526 (1) | -1.995 (0.3) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 20.81 (0.07) | 20.77 (0.06) | 20.77 (0.06) | |||||
| g magnitude | 19.60 (0.01) | 19.59 (0.02) | 19.59 (0.02) | |||||
| r magnitude | 19.48 (0.02) | 19.48 (0.02) | 19.48 (0.02) | |||||
| i magnitude | 19.45 (0.02) | 19.46 (0.02) | 19.46 (0.02) | |||||
| z magnitude | 19.21 (0.06) | 19.20 (0.06) | 19.20 (0.06) | |||||
| G magnitude | 19.56 (0.07) | 19.56 | 19.56 (0.008) | |||||
| BP magnitude | 19.84 (0.07) | 19.90 | ||||||
| RP magnitude | 19.12 (0.05) | 19.27 | ||||||
| Pan g magnitude | 19.63 (0.01) | |||||||
| Pan r magnitude | 19.54 (0.01) | |||||||
| Pan i magnitude | 19.48 (0.01) | |||||||
| Pan z magnitude | 19.67 (0.04) | |||||||
| Pan y magnitude | 19.45 (0.04) | |||||||
| E(B-V) | 0.028 | |||||||
* 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.