Gaia DR2 1977776953135753856
All names: WDJ214453.78+475350.47, Gaia DR2 1977776953135753856, SDSS J214453.84+475350.2, SDSS J214453.83+475350.2, Gaia EDR3 1977776953135753856, Gaia DR3 1977776953135753856, J2144+4753
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 44 53.92 (0.05) | 21 44 53.91 | 21 44 53.92 | 21 44 53.78 (0.05) | 21 44 53.91 | ||||||||
| Declination | 47 53 49.78 (0.05) | 47 53 49.80 | 47 53 49.78 | 47 53 50.48 (0.05) | 47 53 49.80 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 7603.0 (54) | 7819.0 (50) | 7604.0 (54) | 7492.0 | 7227.0 | 7509.0 (72) | ||||||
| log(g) | [cgs] | 7.99 (0.01) | 8.06 (0.01) | 7.98 (0.01) | 7.95 | 7.84 | 7.97 (0.02) | ||||||
| Mass | [M☉] | 0.59 (0.01) | 0.631 (0.01) | 0.583 (0.01) | 0.565 | 0.485 | 0.574 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.2900 | 1.1930 | 1.1770 | |||||||||
| 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] | 13.74 (0.06) | 13.63 (0.08) | 13.63 (0.08) | 13.74 | 13.74 (0.06) | 13.63 (0.08) | ||||||
| Distance | [pc] | 72.80 (0.3) | 73.37 (0.4) | 73.36 (0.4) | 72.80 | 72.80 (0.3) | 73.36 (0.4) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 86.3480201 (0.07) | 86.35996686 (0.1) | 86.348 (0.07) | 86.35996686 | ||||||||
| Proper motion (declination) | [mas/yr] | -43.4904598 (0.07) | -43.41530697 (0.1) | -43.49 (0.07) | -43.41530697 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.92 (0.02) | ||||||||||||
| H magnitude | 16.78 (0.02) | ||||||||||||
| K magnitude | 17.14 (0.06) | ||||||||||||
| u magnitude | 18.05 (0.02) | 18.06 (0.01) | 18.06 (0.01) | ||||||||||
| g magnitude | 17.57 (0.005) | 17.57 (0.005) | |||||||||||
| r magnitude | 17.45 (0.005) | 17.45 (0.005) | |||||||||||
| i magnitude | 17.43 (0.006) | 17.43 (0.006) | |||||||||||
| z magnitude | 17.55 (0.02) | 17.55 (0.02) | |||||||||||
| G magnitude | 17.43 (0.005) | 17.45 | 17.43 | 17.43 (0.003) | 17.45 | ||||||||
| BP magnitude | 17.59 (0.005) | 17.59 | 17.59 | ||||||||||
| RP magnitude | 17.15 (0.005) | 17.16 | 17.16 | ||||||||||
| Pan g magnitude | 17.58 (0.005) | 17.58 (0.006) | |||||||||||
| Pan r magnitude | 17.48 (0.004) | 17.48 (0.005) | |||||||||||
| Pan i magnitude | 17.50 (0.002) | 17.50 (0.002) | |||||||||||
| Pan z magnitude | 17.56 (0.008) | 17.56 (0.007) | |||||||||||
| Pan y magnitude | 17.57 (0.02) | 17.57 (0.02) | |||||||||||
| E(B-V) | 0.008 | ||||||||||||
* Constant surface field
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