Gaia DR2 2744932943406490112
All names: WDJ234739.52+065642.76, SDSS J234739.49+065642.8, WDJ234739.52+065642.75, GALEX J234739.5+065644, Gaia DR3 2744932943406490112, J2347+0656, SDSS J234739.50+065642.9, Gaia EDR3 2744932943406490112, Gaia DR2 2744932943406490112
| 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 | 23 47 39.46 (0.3) | 23 47 39.46 | 23 47 39.46 | 23 47 39.52 (0.3) | 23 47 39.46 | ||||||||
| Declination | 06 56 43.27 (0.2) | 06 56 43.26 | 06 56 43.27 | 06 56 42.76 (0.2) | 06 56 43.26 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 6621.0 (62) | 6590.0 (61) | 6613.0 (62) | 6498.0 | 6264.0 | 7051.0 (271) | ||||||
| log(g) | [cgs] | 8.58 (0.03) | 8.48 (0.05) | 8.48 (0.05) | 8.45 | 8.35 | 8.70 (0.06) | ||||||
| Mass | [M☉] | 0.967 (0.02) | 0.899 (0.04) | 0.905 (0.04) | 0.883 | 0.796 | 1.043 (0.04) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 4.5800 | 4.2680 | 4.2930 | |||||||||
| 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] | 11.46 (0.3) | 10.64 (0.5) | 10.64 (0.5) | 11.46 | 11.46 (0.3) | 10.64 (0.5) | ||||||
| Distance | [pc] | 87.28 (2) | 93.98 (5) | 94.00 (5) | 87.28 | 87.28 (2) | 94.00 (5) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -52.12960774 (0.4) | -52.21042982 (0.9) | -52.13 (0.4) | -52.21042982 | ||||||||
| Proper motion (declination) | [mas/yr] | 32.03536698 (0.2) | 32.26325692 (0.4) | 32.035 (0.2) | 32.26325692 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 18.29 (0.08) | ||||||||||||
| H magnitude | 18.39 (0.1) | ||||||||||||
| K magnitude | 17.96 (0.2) | ||||||||||||
| u magnitude | 20.11 (0.05) | 20.12 (0.05) | 20.12 (0.05) | ||||||||||
| g magnitude | 19.49 (0.01) | 19.49 (0.01) | |||||||||||
| r magnitude | 19.27 (0.01) | 19.27 (0.01) | |||||||||||
| i magnitude | 19.19 (0.02) | 19.19 (0.02) | |||||||||||
| z magnitude | 19.08 (0.05) | 19.08 (0.05) | |||||||||||
| G magnitude | 19.26 (0.04) | 19.29 | 19.26 | 19.26 (0.004) | 19.29 | ||||||||
| BP magnitude | 19.47 (0.04) | 19.48 | 19.48 | ||||||||||
| RP magnitude | 18.93 (0.04) | 18.80 | 18.80 | ||||||||||
| Pan g magnitude | 19.50 (0.008) | 19.50 (0.009) | |||||||||||
| Pan r magnitude | 19.25 (0.01) | 19.25 (0.01) | |||||||||||
| Pan i magnitude | 19.20 (0.007) | 19.20 (0.006) | |||||||||||
| Pan z magnitude | 19.20 (0.03) | 19.20 (0.03) | |||||||||||
| Pan y magnitude | 19.22 (0.03) | 19.22 (0.03) | |||||||||||
| E(B-V) | 0.006 | ||||||||||||
* Constant surface field
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