Gaia DR2 4494877446445481472
All names: Gaia EDR3 4494877446445481472, Gaia DR3 4494877446445481472, PM J17574+1021, WDJ175725.80+102124.82, TIC 302639120, GALEX J175725.7+102124, SDSS J175725.79+102124.3, 17574+1021, 2MASS J17572579+1021249, SDSS J175725.80+102124.3, J1757+1021, WDJ175725.8+102124.82, Gaia DR2 4494877446445481472
| 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 | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 57 25.78 (0.03) | 17 57 25.78 | 17 57 25.78 | 17 57 25.80 (0.03) | 17 57 25.78 | |||||||||
| Declination | 10 21 23.34 (0.03) | 10 21 23.39 | 10 21 23.34 | 10 21 24.82 (0.03) | 10 21 23.39 | |||||||||
| Spectral type | DZA | DZ | DZ | DZA | DZ | DZA | ||||||||
| Effective temperature | [K] | 8259.0 (46) | 8075.0 (24) | 8358.0 (46) | 9478.0 | 9277.0 | 7880.0 (243) | 7940.0 (38) | ||||||
| log(g) | [cgs] | 8.06 (0.008) | 7.99 (0.005) | 8.10 (0.008) | 8.34 | 8.26 | 8.00 (0.2) | 7.91 (0.008) | ||||||
| Mass | [M☉] | 0.612 (0.007) | 0.571 (0.005) | 0.639 (0.007) | 0.811 | 0.742 | 0.58 (0.1) | 0.524 (0.006) | ||||||
| log(Luminosity) | [L☉] | -3.26 | ||||||||||||
| Cooling age | [Gyr] | 1.1200 | 1.1630 | 1.0970 | ||||||||||
| log(H/He) | -4.0 | -3.0 | <-4 | |||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | -8.52 | -8.42 | -8.28 | |||||||||||
| log(Ca/H) | ||||||||||||||
| log(N/He) | ||||||||||||||
| log(O/He) | ||||||||||||||
| log(Na/He) | ||||||||||||||
| log(Mg/He) | ||||||||||||||
| log(Al/He) | ||||||||||||||
| log(Si/He) | ||||||||||||||
| log(P/He) | ||||||||||||||
| log(S/He) | ||||||||||||||
| log(Cl/He) | ||||||||||||||
| log(Sc/He) | ||||||||||||||
| log(Ti/He) | ||||||||||||||
| log(V/He) | ||||||||||||||
| log(Cr/He) | ||||||||||||||
| log(Mn/He) | ||||||||||||||
| log(Fe/He) | ||||||||||||||
| log(Co/He) | ||||||||||||||
| log(Ni/He) | ||||||||||||||
| log(Cu/He) | ||||||||||||||
| log(Zn/He) | ||||||||||||||
| log(Ga/He) | ||||||||||||||
| log(Ge/He) | ||||||||||||||
| log(Sr/He) | ||||||||||||||
| Parallax | [mas] | 22.40 (0.04) | 22.46 (0.06) | 22.46 (0.06) | 22.40 | 22.40 (0.04) | 22.46 (0.06) | |||||||
| Distance | [pc] | 44.64 (0.08) | 44.52 (0.1) | 44.52 (0.1) | 44.10 (3) | 44.64 | 44.64 (0.08) | 44.52 (0.1) | ||||||
| Composition | He | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -24.65646788 (0.04) | -24.56528576 (0.1) | -20.0 | -24.656 (0.04) | -24.56528576 | ||||||||
| Proper motion (declination) | [mas/yr] | -92.65154853 (0.03) | -92.76273942 (0.1) | -88.0 | -92.652 (0.03) | -92.76273942 | ||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 15.92 (0.03) | 15.92 | 15.92 (0.08) | |||||||||||
| H magnitude | 15.97 (0.03) | 15.97 | 15.97 (0.2) | |||||||||||
| K magnitude | 15.35 (0.03) | 15.35 | 15.35 (0.2) | |||||||||||
| u magnitude | 16.51 (0.007) | 16.52 (0.007) | 16.52 (0.007) | |||||||||||
| g magnitude | 16.13 (0.004) | 16.13 (0.004) | ||||||||||||
| r magnitude | 16.17 (0.004) | 16.17 (0.004) | ||||||||||||
| i magnitude | 16.26 (0.004) | 16.26 (0.004) | ||||||||||||
| z magnitude | 16.44 (0.008) | 16.44 (0.008) | ||||||||||||
| G magnitude | 16.10 (0.002) | 16.12 | 16.10 | 16.10 (0.003) | 16.12 | |||||||||
| BP magnitude | 16.19 (0.002) | 16.18 | 16.18 | |||||||||||
| RP magnitude | 15.97 (0.002) | 15.97 | 15.97 | |||||||||||
| Pan g magnitude | 16.14 (0.003) | 16.14 (0.003) | ||||||||||||
| Pan r magnitude | 16.19 (0.002) | 16.19 (0.002) | ||||||||||||
| Pan i magnitude | 16.30 (0.003) | 16.30 (0.003) | ||||||||||||
| Pan z magnitude | 16.45 (0.004) | 16.45 (0.004) | ||||||||||||
| Pan y magnitude | 16.54 (0.01) | 16.54 (0.008) | ||||||||||||
| E(B-V) | 0.002 | |||||||||||||
* Constant surface field
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