Gaia DR2 4610983121260366336
All names: Gaia DR2 4610983121260366336, SDSS J175438.37+384644.5, WDJ175438.38+384644.74, WDJ175438.38+384644.75, Gaia DR3 4610983121260366336, SDSS J175438.38+384644.6, Gaia EDR3 4610983121260366336, J1754+3846
| 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 | 17 54 38.37 (0.06) | 17 54 38.37 | 17 54 38.37 | 17 54 38.38 (0.06) | 17 54 38.37 | ||||||||
| Declination | 38 46 43.78 (0.06) | 38 46 43.81 | 38 46 43.78 | 38 46 44.75 (0.06) | 38 46 43.81 | ||||||||
| Spectral type | DAH | DAH | DAH | DA | DAH | ||||||||
| Effective temperature | [K] | 6431.0 (29) | 6423.0 (27) | 6431.0 (30) | 6398.0 | 6146.0 | 6481.0 (59) | ||||||
| log(g) | [cgs] | 8.17 (0.008) | 8.17 (0.008) | 8.17 (0.008) | 8.16 | 8.03 | 8.19 (0.02) | ||||||
| Mass | [M☉] | 0.697 (0.007) | 0.695 (0.007) | 0.696 (0.008) | 0.689 | 0.588 | 0.706 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 2.7800 | 2.7220 | 2.4040 | |||||||||
| 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] | 19.07 (0.07) | 19.06 (0.09) | 19.06 (0.09) | 19.07 | 19.07 (0.07) | 19.06 (0.09) | ||||||
| Distance | [pc] | 52.44 (0.2) | 52.47 (0.2) | 52.46 (0.2) | 52.44 | 52.44 (0.2) | 52.46 (0.2) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.960163071 (0.08) | -7.137297338 (0.2) | -6.96 (0.08) | -7.137297338 | ||||||||
| Proper motion (declination) | [mas/yr] | -60.87514789 (0.08) | -60.70260887 (0.2) | -60.875 (0.08) | -60.70260887 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 18.58 (0.02) | 18.58 (0.02) | 18.58 (0.02) | ||||||||||
| g magnitude | 17.88 (0.006) | 17.88 (0.006) | |||||||||||
| r magnitude | 17.58 (0.006) | 17.58 (0.006) | |||||||||||
| i magnitude | 17.47 (0.006) | 17.47 (0.006) | |||||||||||
| z magnitude | 17.44 (0.01) | 17.44 (0.01) | |||||||||||
| G magnitude | 17.59 (0.008) | 17.60 | 17.59 | 17.59 (0.003) | 17.60 | ||||||||
| BP magnitude | 17.84 (0.008) | 17.83 | 17.83 | ||||||||||
| RP magnitude | 17.20 (0.008) | 17.18 | 17.18 | ||||||||||
| Pan g magnitude | 17.85 (0.01) | 17.85 (0.008) | |||||||||||
| Pan r magnitude | 17.60 (0.004) | 17.60 (0.004) | |||||||||||
| Pan i magnitude | 17.52 (0.003) | 17.52 (0.002) | |||||||||||
| Pan z magnitude | 17.53 (0.006) | 17.53 (0.007) | |||||||||||
| Pan y magnitude | 17.55 (0.005) | 17.55 (0.004) | |||||||||||
| E(B-V) | 0.006 | ||||||||||||
* Constant surface field
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