Gaia DR2 4404459928069184896
All names: SDSS J154427.71-003841.8, SDSS J154427.70-003841.8, WDJ154427.74-003841.64, Gaia EDR3 4404459928069184896, Gaia DR2 4404459928069184896, Gaia DR3 4404459928069184896, WDJ154427.74-003841.63
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 44 27.39 (0.3) | 15 44 27.40 | 15 44 27.39 | 15 44 27.74 (0.3) | 15 44 27.40 | |||||
| Declination | -00 38 43.91 (0.2) | -00 38 43.84 | -00 38 43.91 | -00 38 41.65 (0.2) | -00 38 43.84 | |||||
| Spectral type | DZ: | DZ | ||||||||
| Effective temperature | [K] | 4652.0 | 4335.0 | 4488.0 (102) | ||||||
| log(g) | [cgs] | 8.13 | 7.90 | 8.04 (0.07) | ||||||
| Mass | [M☉] | 0.661 | 0.506 | 0.593 (0.06) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 8.2330 | 6.2150 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 13.96 (0.3) | 14.32 (0.4) | 13.96 | 13.96 (0.3) | 14.32 (0.4) | ||||
| Distance | [pc] | 71.64 (2) | 69.84 (2) | 71.64 | 71.64 (2) | 69.84 (2) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -330.4883755 (0.4) | -330.5516965 (1) | -330.488 (0.4) | -330.5516965 | |||||
| Proper motion (declination) | [mas/yr] | -141.320922 (0.3) | -141.764257 (0.8) | -141.321 (0.3) | -141.764257 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 22.26 (0.2) | 22.26 (0.2) | ||||||||
| g magnitude | 20.46 (0.02) | 20.46 (0.02) | ||||||||
| r magnitude | 19.56 (0.01) | 19.56 (0.01) | ||||||||
| i magnitude | 19.24 (0.02) | 19.24 (0.02) | ||||||||
| z magnitude | 19.04 (0.04) | 19.04 (0.04) | ||||||||
| G magnitude | 19.61 (0.07) | 19.65 | 19.61 | 19.61 (0.005) | 19.65 | |||||
| BP magnitude | 20.32 (0.07) | 20.29 | 20.29 | |||||||
| RP magnitude | 18.98 (0.04) | 18.98 | 18.98 | |||||||
| Pan g magnitude | 20.30 (0.006) | |||||||||
| Pan r magnitude | 19.58 (0.01) | |||||||||
| Pan i magnitude | 19.27 (0.008) | |||||||||
| Pan z magnitude | 19.15 (0.02) | |||||||||
| Pan y magnitude | 19.07 (0.03) | |||||||||
| E(B-V) | 0.003 | |||||||||
* Constant surface field
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