Gaia DR2 1956946052506753280
All names: Gaia DR3 1956946052506753280, WDJ221841.69+395143.78, Gaia DR2 1956946052506753280, SDSS J221841.74+395143.4, Gaia EDR3 1956946052506753280, SDSS J221841.74+395143.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 18 41.82 (0.03) | 22 18 41.82 | 22 18 41.82 | 22 18 41.69 (0.03) | 22 18 41.82 | ||||||
| Declination | 39 51 42.98 (0.03) | 39 51 43.01 | 39 51 42.98 | 39 51 43.78 (0.03) | 39 51 43.01 | ||||||
| Spectral type | DC | DC | D | ||||||||
| Effective temperature | [K] | 8302.0 (37) | 8948.0 | 8680.0 | 8057.0 (54) | ||||||
| log(g) | [cgs] | 8.10 (0.008) | 8.35 | 8.27 | 8.05 (0.01) | ||||||
| Mass | [M☉] | 0.636 (0.007) | 0.82 | 0.746 | 0.606 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.4090 | 1.3540 | ||||||||
| log(H/He) | -4.0 | ||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 17.58 (0.05) | 17.53 (0.07) | 17.58 | 17.58 (0.05) | 17.53 (0.07) | |||||
| Distance | [pc] | 56.87 (0.2) | 57.03 (0.2) | 56.87 | 56.87 (0.2) | 57.03 (0.2) | |||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 91.11075092 (0.04) | 91.08607838 (0.09) | 91.111 (0.04) | 91.08607838 | ||||||
| Proper motion (declination) | [mas/yr] | -49.93868083 (0.04) | -50.01498505 (0.1) | -49.939 (0.04) | -50.01498505 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 17.19 (0.009) | 17.19 (0.009) | |||||||||
| g magnitude | 16.92 (0.004) | 16.92 (0.004) | |||||||||
| r magnitude | 16.91 (0.005) | 16.91 (0.005) | |||||||||
| i magnitude | 16.99 (0.006) | 16.99 (0.006) | |||||||||
| z magnitude | 17.15 (0.01) | 17.15 (0.01) | |||||||||
| G magnitude | 16.85 (0.004) | 16.87 | 16.85 | 16.85 (0.003) | 16.87 | ||||||
| BP magnitude | 16.93 (0.004) | 16.92 | 16.92 | ||||||||
| RP magnitude | 16.68 (0.003) | 16.70 | 16.70 | ||||||||
| Pan g magnitude | 16.93 (0.002) | ||||||||||
| Pan r magnitude | 16.93 (0.005) | ||||||||||
| Pan i magnitude | 17.02 (0.003) | ||||||||||
| Pan z magnitude | 17.14 (0.008) | ||||||||||
| Pan y magnitude | 17.24 (0.006) | ||||||||||
| E(B-V) | 0.006 | ||||||||||
* Constant surface field
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