All names: SDSS J221956.60+312703.0, Gaia EDR3 1895691155913749248, SDSS J221956.60+312703.06, Gaia DR3 1895691155913749248, Gaia DR2 1895691155913749248
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 19 56.60 (0.2) | 22 19 56.60 | 22 19 56.60 (0.3) | 22 19 56.60 (0.2) | ||||
| Declination | 31 27 03.05 (0.3) | 31 27 03.05 | 31 27 03.05 (0.5) | 31 27 03.07 (0.3) | ||||
| Spectral type | sdA | sdA | ||||||
| Effective temperature | [K] | 8021.0 (62) | ||||||
| log(g) | [cgs] | 6.35 (0.2) | ||||||
| Mass | [M☉] | 0.16367 (0.005) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.34 (0.4) | 0.19 (0.5) | 0.34 (0.4) | ||||
| Distance | [pc] | 2916.93 (3181) | 5225.06 (14486) | 2917.15 (3181) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -1.116662354 (0.3) | -0.29610119 (0.7) | -1.117 (0.3) | ||||
| Proper motion (declination) | [mas/yr] | -1.390352718 (0.4) | -1.310277375 (0.9) | -1.39 (0.4) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 21.38 (0.1) | 21.36 (0.1) | 21.36 (0.1) | |||||
| g magnitude | 20.09 (0.02) | 20.08 (0.02) | 20.08 (0.02) | |||||
| r magnitude | 19.94 (0.02) | 19.90 (0.03) | 19.90 (0.03) | |||||
| i magnitude | 20.10 (0.03) | 20.07 (0.04) | 20.07 (0.04) | |||||
| z magnitude | 20.31 (0.1) | 20.32 (0.2) | 20.32 (0.2) | |||||
| G magnitude | 19.92 (0.04) | 19.97 | 19.92 (0.004) | |||||
| BP magnitude | 20.10 (0.04) | 20.10 | ||||||
| RP magnitude | 19.66 (0.05) | 19.55 | ||||||
| Pan g magnitude | 20.01 (0.02) | |||||||
| Pan r magnitude | 19.93 (0.01) | |||||||
| Pan i magnitude | 19.92 (0.01) | |||||||
| Pan z magnitude | 20.03 (0.05) | |||||||
| Pan y magnitude | 19.70 (0.05) | |||||||
| E(B-V) | 0.071 | |||||||
* 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.