Gaia DR2 830472368094495232
All names: SDSS J103928.23+461422.0, SDSS J103928.24+461422.0, GALEX J103928.3+461419, WDJ103928.23+461421.96, WDJ103928.23+461421.95, Gaia EDR3 830472368094495232, J1039+4614, Gaia DR2 830472368094495232, Gaia DR3 830472368094495232
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | 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 | 10 39 28.26 (0.2) | 10 39 28.26 | 10 39 28.26 | 10 39 28.22 (0.2) | 10 39 28.26 | |||||||
| Declination | 46 14 21.71 (0.3) | 46 14 21.72 | 46 14 21.71 | 46 14 21.96 (0.3) | 46 14 21.72 | |||||||
| Spectral type | DC | DC | DA | DC | ||||||||
| Effective temperature | [K] | 5818.0 (68) | 5554.0 (66) | 6192.0 | 5951.0 | 6145.0 (200) | ||||||
| log(g) | [cgs] | 8.28 (0.09) | 8.12 (0.09) | 8.46 | 8.34 | 8.39 (0.07) | ||||||
| Mass | [M☉] | 0.751 (0.08) | 0.647 (0.08) | 0.885 | 0.79 | 0.843 (0.06) | ||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 5.1800 | 4.7470 | 4.9440 | ||||||||
| log(H/He) | -5 | |||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| 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] | 9.98 (0.4) | 10.25 (0.8) | 10.25 (0.8) | 9.98 | 9.98 (0.4) | 10.25 (0.8) | |||||
| Distance | [pc] | 100.22 (4) | 97.56 (8) | 97.59 (8) | 100.22 | 100.22 (4) | 97.59 (8) | |||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 22.57752773 (0.3) | 22.09810661 (0.7) | 22.578 (0.3) | 22.09810661 | |||||||
| Proper motion (declination) | [mas/yr] | -15.56075576 (0.4) | -15.65053615 (1) | -15.561 (0.4) | -15.65053615 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 18.58 (0.07) | |||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.76 (0.05) | 20.76 (0.05) | 20.76 (0.05) | |||||||||
| g magnitude | 19.97 (0.02) | 19.97 (0.02) | ||||||||||
| r magnitude | 19.56 (0.01) | 19.56 (0.01) | ||||||||||
| i magnitude | 19.46 (0.02) | 19.46 (0.02) | ||||||||||
| z magnitude | 19.48 (0.06) | 19.48 (0.06) | ||||||||||
| G magnitude | 19.58 (0.05) | 19.61 | 19.58 | 19.58 (0.004) | 19.61 | |||||||
| BP magnitude | 19.86 (0.05) | 19.94 | 19.94 | |||||||||
| RP magnitude | 19.04 (0.05) | 19.19 | 19.19 | |||||||||
| Pan g magnitude | 19.81 (0.01) | 19.81 (0.01) | ||||||||||
| Pan r magnitude | 19.54 (0.01) | 19.54 (0.01) | ||||||||||
| Pan i magnitude | 19.43 (0.007) | 19.43 (0.007) | ||||||||||
| Pan z magnitude | 19.44 (0.02) | 19.44 (0.02) | ||||||||||
| Pan y magnitude | 19.37 (0.04) | 19.37 (0.04) | ||||||||||
| E(B-V) | 0.006 | |||||||||||
* Constant surface field
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