Gaia DR2 1544353553970169728
All names: SDSS J123821.61+493101.5, WDJ123821.67+493101.52, J1238+4931, Gaia EDR3 1544353553970169728, GALEX J123821.6+493100, Gaia DR2 1544353553970169728, Gaia DR3 1544353553970169728
| 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 | 12 38 21.40 (0.1) | 12 38 21.40 | 12 38 21.40 | 12 38 21.67 (0.1) | 12 38 21.40 | ||||||||
| Declination | 49 31 01.42 (0.1) | 49 31 01.42 | 49 31 01.42 | 49 31 01.52 (0.1) | 49 31 01.42 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 6500.0 (56) | 6481.0 (54) | 6501.0 (56) | 6446.0 | 6209.0 | 6713.0 (170) | ||||||
| log(g) | [cgs] | 8.34 (0.03) | 8.34 (0.03) | 8.35 (0.03) | 8.33 | 8.22 | 8.42 (0.05) | ||||||
| Mass | [M☉] | 0.809 (0.02) | 0.809 (0.03) | 0.813 (0.03) | 0.803 | 0.71 | 0.863 (0.04) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 3.9800 | 3.7820 | 3.7080 | |||||||||
| 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] | 10.17 (0.2) | 10.22 (0.3) | 10.22 (0.3) | 10.17 | 10.17 (0.2) | 10.22 (0.3) | ||||||
| Distance | [pc] | 98.30 (2) | 97.85 (3) | 97.81 (3) | 98.30 | 98.30 (2) | 97.81 (3) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -165.1165168 (0.2) | -165.3286157 (0.3) | -165.117 (0.2) | -165.3286157 | ||||||||
| Proper motion (declination) | [mas/yr] | -6.357070781 (0.2) | -6.470693884 (0.3) | -6.357 (0.2) | -6.470693884 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 18.35 (0.07) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.13 (0.04) | 20.13 (0.04) | 20.08 (0.04) | ||||||||||
| g magnitude | 19.46 (0.01) | 19.45 (0.01) | |||||||||||
| r magnitude | 19.18 (0.01) | 19.19 (0.01) | |||||||||||
| i magnitude | 19.10 (0.02) | 19.09 (0.02) | |||||||||||
| z magnitude | 19.13 (0.06) | 19.08 (0.06) | |||||||||||
| G magnitude | 19.18 (0.03) | 19.22 | 19.18 | 19.18 (0.003) | 19.22 | ||||||||
| BP magnitude | 19.49 (0.03) | 19.46 | 19.46 | ||||||||||
| RP magnitude | 18.86 (0.03) | 18.83 | 18.83 | ||||||||||
| Pan g magnitude | 19.43 (0.007) | 19.43 (0.01) | |||||||||||
| Pan r magnitude | 19.18 (0.008) | 19.18 (0.008) | |||||||||||
| Pan i magnitude | 19.11 (0.007) | 19.11 (0.008) | |||||||||||
| Pan z magnitude | 19.13 (0.009) | 19.13 (0.009) | |||||||||||
| Pan y magnitude | 19.12 (0.03) | 19.12 (0.03) | |||||||||||
| E(B-V) | 0.007 | ||||||||||||
* Constant surface field
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