Gaia DR2 378856389416637056
All names: LAMOST J002147.45+382726.1, J0021+3827, Gaia DR3 378856389416637056, SDSS J002147.45+382726.2, GALEX J002147.4+382726, Gaia DR2 378856389416637056, Gaia EDR3 378856389416637056, WDJ002147.45+382726.34, SDSS J002147.45+382726.3, LAMOST J002147.44+382726.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 21 47.46 (0.04) | 00 21 47.46 | 00 21 47.46 | 00 21 47.45 (0.04) | 00 21 47.46 | |||||||
| Declination | 38 27 26.02 (0.03) | 38 27 26.03 | 38 27 26.02 | 38 27 26.34 (0.03) | 38 27 26.03 | |||||||
| Spectral type | DC | DC | DB | DC | ||||||||
| Effective temperature | [K] | 11331.0 (86) | 11332.0 (86) | 11132.0 | 11562.0 | 11923.0 (98) | ||||||
| log(g) | [cgs] | 8.06 (0.01) | 8.06 (0.01) | 8.13 | 8.11 | 8.15 (0.01) | ||||||
| Mass | [M☉] | 0.618 (0.009) | 0.617 (0.01) | 0.681 | 0.647 | 0.675 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.5460 | 0.4968 | |||||||||
| log(H/He) | -5.0 | -5 | ||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 13.24 (0.06) | 13.23 (0.08) | 13.24 | 13.24 (0.06) | 13.23 (0.08) | ||||||
| Distance | [pc] | 75.55 (0.3) | 75.60 (0.4) | 75.55 | 75.55 (0.3) | 75.60 (0.4) | ||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 2.585979429 (0.05) | 2.420364492 (0.1) | 2.586 (0.05) | 2.420364492 | |||||||
| Proper motion (declination) | [mas/yr] | -20.1017568 (0.05) | -20.17118951 (0.07) | -20.102 (0.05) | -20.17118951 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.42 (0.006) | 16.42 (0.006) | ||||||||||
| g magnitude | 16.36 (0.004) | 16.36 (0.004) | ||||||||||
| r magnitude | 16.55 (0.004) | 16.55 (0.004) | ||||||||||
| i magnitude | 16.72 (0.005) | 16.72 (0.005) | ||||||||||
| z magnitude | 16.93 (0.01) | 16.93 (0.01) | ||||||||||
| G magnitude | 16.41 (0.003) | 16.44 | 16.41 | 16.41 (0.003) | 16.44 | |||||||
| BP magnitude | 16.41 (0.003) | 16.39 | 16.39 | |||||||||
| RP magnitude | 16.42 (0.004) | 16.41 | 16.41 | |||||||||
| Pan g magnitude | 16.38 (0.003) | |||||||||||
| Pan r magnitude | 16.55 (0.005) | |||||||||||
| Pan i magnitude | 16.74 (0.003) | |||||||||||
| Pan z magnitude | 16.93 (0.003) | |||||||||||
| Pan y magnitude | 17.04 (0.004) | |||||||||||
| E(B-V) | 0.004 | |||||||||||
* Constant surface field
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