Gaia DR2 1861681749446432128
All names: SDSS J202555.86+301253.1, Gaia EDR3 1861681749446432128, WDJ202555.84+301253.85, Gaia DR3 1861681749446432128, Gaia DR2 1861681749446432128
| 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 25 55.89 (0.2) | 20 25 55.88 | 20 25 55.89 | 20 25 55.84 (0.2) | 20 25 55.88 | |||||
| Declination | 30 12 51.91 (0.3) | 30 12 51.97 | 30 12 51.91 | 30 12 53.86 (0.3) | 30 12 51.97 | |||||
| Spectral type | DA | DA | ||||||||
| Effective temperature | [K] | 5149.0 | 4847.0 | 5432.0 (167) | ||||||
| log(g) | [cgs] | 8.26 | 8.07 | 8.38 (0.08) | ||||||
| Mass | [M☉] | 0.745 | 0.611 | 0.829 (0.07) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 7.3590 | 6.3890 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 9.99 (0.4) | 10.18 (0.5) | 9.99 | 9.99 (0.4) | 10.18 (0.5) | ||||
| Distance | [pc] | 100.07 (4) | 98.25 (5) | 100.07 | 100.07 (4) | 98.25 (5) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 34.0814483 (0.3) | 33.5740408 (0.7) | 34.081 (0.3) | 33.5740408 | |||||
| Proper motion (declination) | [mas/yr] | -121.479141 (0.4) | -121.1447645 (0.9) | -121.479 (0.4) | -121.1447645 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 23.09 (0.7) | 23.09 (0.7) | ||||||||
| g magnitude | 20.71 (0.03) | 20.71 (0.03) | ||||||||
| r magnitude | 20.10 (0.03) | 20.10 (0.03) | ||||||||
| i magnitude | 19.84 (0.03) | 19.84 (0.03) | ||||||||
| z magnitude | 19.96 (0.1) | 19.96 (0.1) | ||||||||
| G magnitude | 20.00 (0.05) | 20.04 | 20.00 | 20.00 (0.005) | 20.04 | |||||
| BP magnitude | 20.53 (0.05) | 20.60 | 20.60 | |||||||
| RP magnitude | 19.56 (0.03) | 19.49 | 19.49 | |||||||
| Pan g magnitude | 20.59 (0.02) | |||||||||
| Pan r magnitude | 19.97 (0.03) | |||||||||
| Pan i magnitude | 19.75 (0.01) | |||||||||
| Pan z magnitude | 19.74 (0.004) | |||||||||
| Pan y magnitude | 19.64 (0.2) | |||||||||
| E(B-V) | 0.012 | |||||||||
* Constant surface field
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