Gaia DR2 2839231634746334848
All names: Gaia DR2 2839231634746334848, WDJ231814.91+234509.51, SDSS J231814.90+234509.4, Gaia DR3 2839231634746334848, SDSS J231814.90+234509.5, J2318+2345, Gaia EDR3 2839231634746334848
| 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 18 14.90 (0.3) | 23 18 14.90 | 23 18 14.90 | 23 18 14.92 (0.3) | 23 18 14.90 | ||||||||
| Declination | 23 45 09.46 (0.2) | 23 45 09.46 | 23 45 09.46 | 23 45 09.52 (0.2) | 23 45 09.46 | ||||||||
| Spectral type | DA | DA | DA | DA: | DA | ||||||||
| Effective temperature | [K] | 5226.0 (22) | 5227.0 (21) | 5225.0 (22) | 5244.0 | 4939.0 | 5574.0 (182) | ||||||
| log(g) | [cgs] | 7.92 (0.04) | 7.89 (0.05) | 7.89 (0.05) | 7.91 | 7.69 | 8.13 (0.08) | ||||||
| Mass | [M☉] | 0.535 (0.03) | 0.52 (0.04) | 0.519 (0.04) | 0.526 | 0.4 | 0.663 (0.07) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 3.2400 | 3.3530 | 3.1120 | |||||||||
| 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] | 10.55 (0.3) | 10.38 (0.5) | 10.38 (0.5) | 10.55 | 10.55 (0.3) | 10.38 (0.5) | ||||||
| Distance | [pc] | 94.82 (3) | 96.34 (4) | 96.30 (4) | 94.82 | 94.82 (3) | 96.30 (4) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -15.99928989 (0.3) | -14.05810205 (0.9) | -15.999 (0.3) | -14.05810205 | ||||||||
| Proper motion (declination) | [mas/yr] | -3.892448483 (0.3) | -3.723554855 (0.5) | -3.892 (0.3) | -3.723554855 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 18.39 (0.09) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 21.44 (0.1) | 21.47 (0.1) | 21.47 (0.1) | ||||||||||
| g magnitude | 20.06 (0.02) | 20.06 (0.02) | |||||||||||
| r magnitude | 19.43 (0.01) | 19.43 (0.01) | |||||||||||
| i magnitude | 19.17 (0.01) | 19.17 (0.01) | |||||||||||
| z magnitude | 19.14 (0.05) | 19.14 (0.05) | |||||||||||
| G magnitude | 19.44 (0.03) | 19.49 | 19.44 | 19.44 (0.004) | 19.49 | ||||||||
| BP magnitude | 19.80 (0.03) | 19.82 | 19.82 | ||||||||||
| RP magnitude | 18.91 (0.03) | 18.85 | 18.85 | ||||||||||
| Pan g magnitude | 19.92 (0.007) | 19.92 (0.005) | |||||||||||
| Pan r magnitude | 19.39 (0.01) | 19.39 (0.01) | |||||||||||
| Pan i magnitude | 19.20 (0.005) | 19.20 (0.004) | |||||||||||
| Pan z magnitude | 19.13 (0.02) | 19.13 (0.02) | |||||||||||
| Pan y magnitude | 19.05 (0.02) | 19.05 (0.02) | |||||||||||
| E(B-V) | 0.008 | ||||||||||||
* Constant surface field
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