Gaia DR2 2056538475727676032
All names: Gaia DR2 2056538475727676032, LSPM J2031+3457, TIC 230662002, Gaia DR3 2056538475727676032, Gaia EDR3 2056538475727676032, 2MASS J20313601+3457475, USNO-B1.0 1249-00411455, WDJ203136.00+345747.88, WDJ203136.0+345747.88
| 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 | 20 31 36.02 (0.05) | 20 31 36.02 | 20 31 36.02 | 20 31 36.00 (0.05) | 20 31 36.02 | |||||
| Declination | 34 57 45.66 (0.06) | 34 57 45.73 | 34 57 45.66 | 34 57 47.88 (0.06) | 34 57 45.73 | |||||
| Spectral type | DA | DA | ||||||||
| Effective temperature | [K] | 5562.0 | 5339.0 | 5776.0 (42) | ||||||
| log(g) | [cgs] | 7.10 | 6.85 | 7.23 (0.02) | ||||||
| Mass | [M☉] | 0.208 | 0.131 | 0.246 (0.008) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.1260 | ||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 13.39 (0.07) | 13.38 (0.1) | 13.39 | 13.39 (0.07) | 13.38 (0.1) | ||||
| Distance | [pc] | 74.70 (0.4) | 74.76 (0.5) | 74.70 | 74.70 (0.4) | 74.76 (0.5) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 8.849026735 (0.07) | 8.832000263 (0.2) | 8.849 (0.07) | 8.832000263 | |||||
| Proper motion (declination) | [mas/yr] | -139.2386744 (0.08) | -139.1741316 (0.2) | -139.239 (0.08) | -139.1741316 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 19.20 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 17.40 | |||||||||
| I magnitude | ||||||||||
| J magnitude | 16.33 (0.1) | |||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 17.61 (0.009) | 17.63 | 17.61 | 17.61 (0.003) | 17.63 | |||||
| BP magnitude | 17.96 (0.009) | 17.98 | 17.98 | |||||||
| RP magnitude | 17.10 (0.006) | 17.11 | 17.11 | |||||||
| Pan g magnitude | 18.04 (0.004) | |||||||||
| Pan r magnitude | 17.60 (0.004) | |||||||||
| Pan i magnitude | 17.44 (0.005) | |||||||||
| Pan z magnitude | 17.38 (0.005) | |||||||||
| Pan y magnitude | 17.39 (0.01) | |||||||||
| E(B-V) | 0.008 | |||||||||
* Constant surface field
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