SDSS J222154.86+164126.7
All names: Gaia EDR3 2737359404235676416, SDSS J222154.86+164126.7, SDSS J222154.86+164126.70, Gaia DR2 2737359404235676416, Gaia DR3 2737359404235676416
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 21 54.87 (0.7) | 22 21 54.86 | 22 21 54.87 (0.9) | 22 21 54.84 (0.7) | |||||||
| Declination | 16 41 26.77 (0.6) | 16 41 26.72 | 16 41 26.76 (1) | 16 41 26.50 (0.6) | |||||||
| Spectral type | DC: | DC: | DC: | DC | DC | ||||||
| Effective temperature | [K] | 7054.0 | 6862.0 | 10896.0 (1000) | |||||||
| log(g) | [cgs] | 7.75 | 7.66 | 7.36 (0.05) | |||||||
| Mass | [M☉] | 0.456 | 0.391 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.0670 | 1.0710 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 5.09 (0.8) | 3.98 (1) | 5.09 (0.8) | |||||||
| Distance | [pc] | 196.64 (30) | 251.46 (71) | 196.64 (30) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 24.81686954 (0.7) | 26.14581208 (1) | 24.817 (0.7) | |||||||
| Proper motion (declination) | [mas/yr] | 16.72812458 (0.8) | 17.20429782 (2) | 16.728 (0.8) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.91 (0.1) | 20.91 (0.1) | 20.91 (0.1) | ||||||||
| g magnitude | 20.22 (0.02) | 20.22 (0.02) | 20.22 (0.02) | ||||||||
| r magnitude | 20.10 (0.03) | 20.10 (0.03) | 20.10 (0.03) | ||||||||
| i magnitude | 20.12 (0.04) | 20.12 (0.04) | 20.12 (0.04) | ||||||||
| z magnitude | 19.92 (0.1) | 19.92 (0.1) | 19.92 (0.1) | ||||||||
| G magnitude | 20.09 (0.08) | 20.12 | 20.09 (0.008) | ||||||||
| BP magnitude | 20.31 (0.08) | 20.35 | |||||||||
| RP magnitude | 19.81 (0.09) | 19.94 | |||||||||
| Pan g magnitude | 20.24 (0.01) | ||||||||||
| Pan r magnitude | 20.12 (0.01) | ||||||||||
| Pan i magnitude | 20.10 (0.01) | ||||||||||
| Pan z magnitude | 20.05 (0.03) | ||||||||||
| Pan y magnitude | 20.13 (0.05) | ||||||||||
| E(B-V) | 0.020 | ||||||||||
* Constant surface field
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