Gaia DR2 1175242896321238400
All names: WDJ144447.23+104825.85, Gaia DR3 1175242896321238400, SDSS J144447.23+104825.6, Gaia EDR3 1175242896321238400, WDJ144447.23+104825.86, Gaia DR2 1175242896321238400, SDSS J144447.23+104825.7, GALEX J144447.1+104825, J1444+1048
| 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 | 14 44 47.23 (0.1) | 14 44 47.23 | 14 44 47.23 | 14 44 47.23 (0.1) | 14 44 47.23 | ||||||||
| Declination | 10 48 24.82 (0.1) | 10 48 24.85 | 10 48 24.82 | 10 48 25.86 (0.1) | 10 48 24.85 | ||||||||
| Spectral type | DC | DC | DC | DC | DC | ||||||||
| Effective temperature | [K] | 5898.0 (42) | 5995.0 (39) | 5899.0 (42) | 6425.0 | 6175.0 | 5697.0 (196) | ||||||
| log(g) | [cgs] | 7.92 (0.02) | 7.93 (0.02) | 7.88 (0.03) | 8.18 | 8.04 | 7.97 (0.04) | ||||||
| Mass | [M☉] | 0.521 (0.02) | 0.53 (0.02) | 0.501 (0.02) | 0.699 | 0.6 | 0.554 (0.04) | ||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 2.2700 | 2.7850 | 2.4490 | |||||||||
| log(H/He) | -3.0 | -3.0 | -3 | ||||||||||
| 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] | 15.14 (0.2) | 14.82 (0.3) | 14.82 (0.3) | 15.14 | 15.14 (0.2) | 14.82 (0.3) | ||||||
| Distance | [pc] | 66.06 (0.7) | 67.48 (1) | 67.48 (1) | 66.06 | 66.06 (0.7) | 67.48 (1) | ||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -8.216468685 (0.2) | -8.528517423 (0.3) | -8.216 (0.2) | -8.528517423 | ||||||||
| Proper motion (declination) | [mas/yr] | -65.12146441 (0.1) | -64.92834054 (0.3) | -65.121 (0.1) | -64.92834054 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.43 (0.02) | ||||||||||||
| H magnitude | 17.26 (0.04) | ||||||||||||
| K magnitude | 17.27 (0.07) | ||||||||||||
| u magnitude | 19.14 (0.02) | 19.14 (0.02) | 19.14 (0.02) | ||||||||||
| g magnitude | 18.45 (0.007) | 18.45 (0.007) | |||||||||||
| r magnitude | 18.15 (0.007) | 18.15 (0.007) | |||||||||||
| i magnitude | 18.07 (0.008) | 18.07 (0.008) | |||||||||||
| z magnitude | 18.09 (0.02) | 18.09 (0.02) | |||||||||||
| G magnitude | 18.14 (0.02) | 18.17 | 18.14 | 18.14 (0.003) | 18.17 | ||||||||
| BP magnitude | 18.41 (0.02) | 18.37 | 18.37 | ||||||||||
| RP magnitude | 17.78 (0.02) | 17.74 | 17.74 | ||||||||||
| Pan g magnitude | 18.40 (0.006) | 18.40 (0.008) | |||||||||||
| Pan r magnitude | 18.15 (0.005) | 18.15 (0.005) | |||||||||||
| Pan i magnitude | 18.07 (0.005) | 18.07 (0.006) | |||||||||||
| Pan z magnitude | 18.10 (0.009) | 18.10 (0.009) | |||||||||||
| Pan y magnitude | 18.10 (0.02) | 18.10 (0.01) | |||||||||||
| E(B-V) | 0.005 | ||||||||||||
* Constant surface field
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