Gaia DR2 308651262017484544
All names: Gaia DR2 308651262017484544, SDSS J012208.30+281759.9, USNO-B1.0 1183-00025256, SDSS J012208.31+281800.0, WDJ01228.27+281801.74, Gaia DR3 308651262017484544, WDJ012208.27+281801.75, LSPM J0122+2818, Gaia EDR3 308651262017484544
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 22 08.33 (0.2) | 01 22 08.33 | 01 22 08.33 | 01 22 08.27 (0.2) | 01 22 08.33 | |||||
| Declination | 28 17 58.74 (0.2) | 28 17 58.83 | 28 17 58.74 | 28 18 01.75 (0.2) | 28 17 58.83 | |||||
| Spectral type | DC: | DC | ||||||||
| Effective temperature | [K] | 4664.0 | 4344.0 | 4719.0 (85) | ||||||
| log(g) | [cgs] | 7.72 | 7.47 | 7.81 (0.05) | ||||||
| Mass | [M☉] | 0.42 | 0.302 | 0.471 (0.04) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 3.9490 | 3.1240 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 15.89 (0.3) | 15.39 (0.4) | 15.89 | 15.89 (0.3) | 15.39 (0.4) | ||||
| Distance | [pc] | 62.92 (1) | 64.98 (1) | 62.92 | 62.92 (1) | 64.98 (1) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 46.97503285 (0.2) | 47.48330343 (0.5) | 46.975 (0.2) | 47.48330343 | |||||
| Proper motion (declination) | [mas/yr] | -188.218414 (0.2) | -187.8569117 (0.6) | -188.218 (0.2) | -187.8569117 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 20.50 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 19.20 | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 21.44 (0.1) | 21.44 (0.1) | ||||||||
| g magnitude | 19.75 (0.01) | 19.75 (0.01) | ||||||||
| r magnitude | 18.88 (0.01) | 18.88 (0.01) | ||||||||
| i magnitude | 18.55 (0.01) | 18.55 (0.01) | ||||||||
| z magnitude | 18.41 (0.03) | 18.41 (0.03) | ||||||||
| G magnitude | 18.92 (0.04) | 18.95 | 18.92 | 18.92 (0.004) | 18.95 | |||||
| BP magnitude | 19.46 (0.04) | 19.45 | 19.45 | |||||||
| RP magnitude | 18.26 (0.02) | 18.24 | 18.24 | |||||||
| Pan g magnitude | 19.61 (0.03) | |||||||||
| Pan r magnitude | 18.87 (0.01) | |||||||||
| Pan i magnitude | 18.57 (0.009) | |||||||||
| Pan z magnitude | 18.46 (0.006) | |||||||||
| Pan y magnitude | 18.38 (0.02) | |||||||||
| E(B-V) | 0.003 | |||||||||
* Constant surface field
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