Gaia DR2 1996825098731349120
All names: Gaia DR2 1996825098731349120, SDSS J231838.29+545816.2, Gaia EDR3 1996825098731349120, PM J23186+5458, Gaia DR3 1996825098731349120, WDJ231838.28+545816.63, 23186+5458
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 18 38.31 (0.04) | 23 18 38.31 | 23 18 38.31 | 23 18 38.28 (0.04) | 23 18 38.31 | |||||||
| Declination | 54 58 14.96 (0.04) | 54 58 15.01 | 54 58 14.96 | 54 58 16.63 (0.04) | 54 58 15.01 | |||||||
| Spectral type | DZ | DZ | DB | DZ | ||||||||
| Effective temperature | [K] | 11591.0 (78) | 11198.0 | 11724.0 | 11720.0 (459) | 11996.0 (131) | ||||||
| log(g) | [cgs] | 7.98 (0.008) | 8.01 | 8.00 | 8.00 (0.2) | 8.02 (0.01) | ||||||
| Mass | [M☉] | 0.571 (0.007) | 0.611 | 0.583 | 0.59 (0.1) | 0.598 (0.01) | ||||||
| log(Luminosity) | [L☉] | -2.56 | ||||||||||
| Cooling age | [Gyr] | 0.4554 | 0.4070 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | -9.17 | |||||||||||
| 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] | 10.02 (0.05) | 10.03 (0.07) | 10.02 | 10.02 (0.05) | 10.03 (0.07) | ||||||
| Distance | [pc] | 99.77 (0.5) | 99.67 (0.7) | 97.70 (3) | 99.77 | 99.77 (0.5) | 99.67 (0.7) | |||||
| Composition | He | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 14.22113784 (0.05) | 14.22253329 (0.1) | 19.0 | 14.221 (0.05) | 14.22253329 | ||||||
| Proper motion (declination) | [mas/yr] | -104.9163066 (0.05) | -104.9268199 (0.09) | -97.0 | -104.916 (0.05) | -104.9268199 | ||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 16.76 | 16.77 (0.007) | 16.79 (0.007) | |||||||||
| g magnitude | 16.73 | 16.74 (0.004) | 16.74 (0.004) | |||||||||
| r magnitude | 16.92 | 16.93 (0.005) | 16.93 (0.005) | |||||||||
| i magnitude | 17.12 | 17.14 (0.006) | 17.14 (0.006) | |||||||||
| z magnitude | 17.30 | 17.33 (0.01) | 17.32 (0.01) | |||||||||
| G magnitude | 16.82 (0.003) | 16.84 | 16.82 | 16.82 (0.003) | 16.84 | |||||||
| BP magnitude | 16.81 (0.003) | 16.78 | 16.78 | |||||||||
| RP magnitude | 16.82 (0.005) | 16.82 | 16.82 | |||||||||
| Pan g magnitude | 16.80 (0.003) | |||||||||||
| Pan r magnitude | 16.96 (0.004) | |||||||||||
| Pan i magnitude | 17.16 (0.002) | |||||||||||
| Pan z magnitude | 17.33 (0.005) | |||||||||||
| Pan y magnitude | 17.49 (0.008) | |||||||||||
| E(B-V) | 0.014 | |||||||||||
* Constant surface field
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