All names: SDSS J122216.21+222739.0, TIC 135099537, Gaia EDR3 3953628485297896448, 2MASS J12221620+2227392, Gaia DR2 3953628485297896448, Gaia DR3 3953628485297896448
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Sayres et al. 2012 | Simbad |
|---|---|---|---|---|---|---|---|
| Right ascension | 12 22 16.23 (0.05) | 12 22 16.23 (0.06) | 12 22 16.21 | 12 22 16.21 (0.05) | |||
| Declination | 22 27 38.86 (0.04) | 22 27 38.87 (0.04) | 22 27 39.20 | 22 27 39.18 (0.04) | |||
| Spectral type | sd | sdB | |||||
| Effective temperature | [K] | ||||||
| log(g) | [cgs] | ||||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 0.65 (0.06) | 0.78 (0.07) | 0.65 (0.06) | |||
| Distance | [pc] | 1531.42 (148) | 1274.05 (110) | 1531.39 (148) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 14.32167183 (0.06) | 14.296 (0.1) | 14.322 (0.06) | |||
| Proper motion (declination) | [mas/yr] | -19.82734724 (0.05) | -19.909 (0.08) | -19.827 (0.05) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 15.16 (0.04) | 15.16 (0.04) | |||||
| H magnitude | 14.62 (0.06) | 14.62 (0.06) | |||||
| K magnitude | 14.66 (0.08) | 14.66 (0.08) | |||||
| u magnitude | 18.25 (0.01) | 18.50 (0.02) | |||||
| g magnitude | 16.96 (0.004) | 16.90 (0.004) | |||||
| r magnitude | (0.004) | 16.32 (0.004) | |||||
| i magnitude | 16.18 (0.004) | 16.12 (0.005) | |||||
| z magnitude | 16.02 (0.008) | 16.04 (0.007) | |||||
| G magnitude | 16.36 (0.004) | 16.37 | 16.36 (0.003) | ||||
| BP magnitude | 16.77 (0.004) | 16.79 | |||||
| RP magnitude | 15.78 (0.003) | 15.79 | |||||
| Pan g magnitude | 16.82 (0.003) | ||||||
| Pan r magnitude | 16.31 (0.002) | ||||||
| Pan i magnitude | 16.13 (0.003) | ||||||
| Pan z magnitude | 16.09 (0.004) | ||||||
| Pan y magnitude | 16.02 (0.005) | ||||||
| E(B-V) | 0.018 | ||||||
* 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.