Gaia DR2 990663515679849856
All names: LSPM J0717+5918, Gaia DR3 990663515679849856, USNO-B1.0 1493-00173834, Gaia EDR3 990663515679849856, Gaia DR2 990663515679849856, WDJ071724.57+591824.12
| 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 | 07 17 24.40 (0.1) | 07 17 24.40 | 07 17 24.40 | 07 17 24.56 (0.1) | 07 17 24.40 | |||||
| Declination | 59 18 18.61 (0.1) | 59 18 18.78 | 59 18 18.61 | 59 18 24.13 (0.1) | 59 18 18.78 | |||||
| Spectral type | DC: | DC | ||||||||
| Effective temperature | [K] | 4917.0 | 4599.0 | 4926.0 (86) | ||||||
| log(g) | [cgs] | 7.92 | 7.69 | 7.93 (0.05) | ||||||
| Mass | [M☉] | 0.53 | 0.398 | 0.539 (0.04) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 5.0930 | 3.8180 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 16.59 (0.2) | 16.53 (0.3) | 16.59 | 16.59 (0.2) | 16.53 (0.3) | ||||
| Distance | [pc] | 60.26 (0.7) | 60.50 (0.9) | 60.26 | 60.26 (0.7) | 60.50 (0.9) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -79.4529894 (0.2) | -79.76690847 (0.3) | -79.453 (0.2) | -79.76690847 | |||||
| Proper motion (declination) | [mas/yr] | -344.8280373 (0.2) | -344.6275898 (0.3) | -344.828 (0.2) | -344.6275898 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 19.30 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 18.50 | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 18.76 (0.03) | 18.78 | 18.76 | 18.76 (0.004) | 18.78 | |||||
| BP magnitude | 19.30 (0.03) | 19.33 | 19.33 | |||||||
| RP magnitude | 18.12 (0.02) | 18.08 | 18.08 | |||||||
| Pan g magnitude | 19.36 (0.03) | |||||||||
| Pan r magnitude | 18.71 (0.007) | |||||||||
| Pan i magnitude | 18.44 (0.005) | |||||||||
| Pan z magnitude | 18.34 (0.02) | |||||||||
| Pan y magnitude | 18.32 (0.01) | |||||||||
| E(B-V) | 0.001 | |||||||||
* Constant surface field
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