Gaia DR2 2516606022320239104
All names: USNO-B1.0 0947-00023091, WDS J02220+0445B, SDSS J022157.86+044518.7, SDSS J022157.87+044518.8, Gaia EDR3 2516606022320239104, WDJ022157.89+044517.91, Gaia DR2 2516606022320239104, TIC 420031397, Gaia DR3 2516606022320239104, ** TOK 231B, 2MASS J02215789+0445179, J0221+0445
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | McCleery et al. 2020 | Tremblay et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 21 57.86 (0.05) | 02 21 57.87 (0.06) | 02 21 57.87 | 02 21 57.86 | 02 21 57.89 (0.05) | 02 21 57.87 | ||||||||||
| Declination | 04 45 19.21 (0.04) | 04 45 19.17 (0.06) | 04 45 19.17 | 04 45 19.21 | 04 45 17.91 (0.04) | 04 45 19.17 | ||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 7252.0 (17) | 7262.0 (113) | 7396.0 (15) | 7252.0 (17) | 7150.1 (96) | 7150.0 (100) | 7243.0 | 6975.0 | 7446.0 (71) | ||||||
| log(g) | [cgs] | 8.08 (0.005) | 8.08 (0.04) | 8.13 (0.005) | 8.09 (0.005) | 8.06 (0.04) | 8.06 (0.04) | 8.08 | 7.97 | 8.14 (0.02) | ||||||
| Mass | [M☉] | 0.643 (0.004) | 0.643 (0.03) | 0.673 (0.005) | 0.644 (0.005) | 0.642 | 0.557 | 0.682 (0.01) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 1.6600 | 1.5480 | 1.5010 | ||||||||||||
| log(H/He) | ||||||||||||||||
| log(C/He) | ||||||||||||||||
| log(Ca/He) | ||||||||||||||||
| log(Ca/H) | ||||||||||||||||
| log(C/H) | ||||||||||||||||
| log(N/H) | ||||||||||||||||
| log(O/H) | ||||||||||||||||
| log(Na/H) | ||||||||||||||||
| log(Mg/H) | ||||||||||||||||
| log(Al/H) | ||||||||||||||||
| log(Si/H) | ||||||||||||||||
| log(P/H) | ||||||||||||||||
| log(S/H) | ||||||||||||||||
| log(Sc/H) | ||||||||||||||||
| log(Ti/H) | ||||||||||||||||
| log(Cr/H) | ||||||||||||||||
| log(Mn/H) | ||||||||||||||||
| log(Fe/H) | ||||||||||||||||
| log(Ni/H) | ||||||||||||||||
| Parallax | [mas] | 25.35 (0.05) | 25.35 (0.05) | 25.38 (0.07) | 25.38 (0.07) | 25.38 (0.07) | 25.35 | 25.35 (0.05) | 25.38 (0.07) | |||||||
| Distance | [pc] | 39.45 (0.08) | 39.45 (0.08) | 39.40 (0.1) | 39.40 (0.1) | 39.40 (0.1) | 39.45 | 39.45 (0.08) | 39.40 (0.1) | |||||||
| Composition | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -20.17019249 (0.07) | -20.07637547 (0.1) | -20.17 (0.07) | -20.07637547 | |||||||||||
| Proper motion (declination) | [mas/yr] | 80.98743831 (0.05) | 81.14879788 (0.1) | 80.987 (0.05) | 81.14879788 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 16.90 | |||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | 16.40 | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 15.82 (0.01) | 15.86 (0.08) | ||||||||||||||
| H magnitude | 15.65 (0.01) | 15.59 (0.1) | ||||||||||||||
| K magnitude | 15.63 (0.02) | 15.56 (0.2) | ||||||||||||||
| u magnitude | 17.04 (0.009) | 17.05 (0.009) | 17.05 (0.009) | |||||||||||||
| g magnitude | 16.58 (0.004) | 16.58 (0.004) | ||||||||||||||
| r magnitude | 16.42 (0.004) | 16.42 (0.004) | ||||||||||||||
| i magnitude | 16.36 (0.004) | 16.36 (0.004) | ||||||||||||||
| z magnitude | 16.46 (0.009) | 16.46 (0.009) | ||||||||||||||
| G magnitude | 16.39 (0.007) | 16.41 | 16.41 | 16.39 | 16.39 (0.003) | 16.41 | ||||||||||
| BP magnitude | 16.57 (0.007) | 16.58 | 16.58 | |||||||||||||
| RP magnitude | 16.09 (0.007) | 16.10 | 16.10 | |||||||||||||
| Pan g magnitude | 16.56 (0.001) | 16.56 (0.001) | ||||||||||||||
| Pan r magnitude | 16.43 (0.009) | 16.43 (0.009) | ||||||||||||||
| Pan i magnitude | 16.42 (0.003) | 16.42 (0.003) | ||||||||||||||
| Pan z magnitude | 16.47 (0.004) | 16.47 (0.004) | ||||||||||||||
| Pan y magnitude | 16.50 (0.006) | 16.50 (0.004) | ||||||||||||||
| E(B-V) | 0.001 | |||||||||||||||
* Constant surface field
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