Gaia DR2 1925701917774697344
All names: Gaia DR2 1925701917774697344, Gaia DR3 1925701917774697344, WDJ234047.5+435727.32, WDJ234047.50+435727.32, 2MASS J23404747+4357271, TIC 176946043, Gaia EDR3 1925701917774697344, J2340+4357, SDSS J234047.52+435727.4, SDSS J234047.51+435727.4
| 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 40 47.58 (0.05) | 23 40 47.58 | 23 40 47.58 | 23 40 47.50 (0.05) | 23 40 47.58 | ||||||||
| Declination | 43 57 27.67 (0.04) | 43 57 27.66 | 43 57 27.67 | 43 57 27.33 (0.04) | 43 57 27.66 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 8615.0 (30) | 8771.0 (31) | 8614.0 (30) | 8523.0 | 8285.0 | 8635.0 (93) | ||||||
| log(g) | [cgs] | 8.10 (0.009) | 8.16 (0.01) | 8.11 (0.01) | 8.09 | 8.01 | 8.11 (0.02) | ||||||
| Mass | [M☉] | 0.657 (0.008) | 0.695 (0.008) | 0.665 (0.009) | 0.652 | 0.58 | 0.664 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.1100 | 1.0470 | 1.0260 | |||||||||
| 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] | 13.38 (0.07) | 13.49 (0.1) | 13.49 (0.1) | 13.38 | 13.38 (0.07) | 13.49 (0.1) | ||||||
| Distance | [pc] | 74.76 (0.4) | 74.13 (0.5) | 74.13 (0.5) | 74.76 | 74.76 (0.4) | 74.13 (0.5) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 56.10274666 (0.06) | 56.18858424 (0.1) | 56.103 (0.06) | 56.18858424 | ||||||||
| Proper motion (declination) | [mas/yr] | 21.59048778 (0.06) | 21.71879762 (0.1) | 21.59 (0.06) | 21.71879762 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.94 (0.02) | 16.70 (0.1) | |||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.69 (0.01) | 17.67 (0.01) | 17.67 (0.01) | ||||||||||
| g magnitude | 17.27 (0.005) | 17.27 (0.005) | |||||||||||
| r magnitude | 17.26 (0.006) | 17.26 (0.006) | |||||||||||
| i magnitude | 17.31 (0.007) | 17.31 (0.007) | |||||||||||
| z magnitude | 17.42 (0.01) | 17.42 (0.01) | |||||||||||
| G magnitude | 17.21 (0.007) | 17.23 | 17.21 | 17.21 (0.003) | 17.23 | ||||||||
| BP magnitude | 17.31 (0.007) | 17.31 | 17.31 | ||||||||||
| RP magnitude | 17.02 (0.006) | 17.03 | 17.03 | ||||||||||
| Pan g magnitude | 17.27 (0.001) | 17.27 (0.001) | |||||||||||
| Pan r magnitude | 17.27 (0.003) | 17.27 (0.003) | |||||||||||
| Pan i magnitude | 17.35 (0.004) | 17.35 (0.003) | |||||||||||
| Pan z magnitude | 17.43 (0.005) | 17.43 (0.005) | |||||||||||
| Pan y magnitude | 17.51 (0.01) | 17.51 (0.01) | |||||||||||
| E(B-V) | 0.008 | ||||||||||||
* Constant surface field
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