Gaia DR2 4247531478160569216
All names: USNO-B1.0 0940-00529300, LSPM J2008+0402, Gaia EDR3 4247531478160569216, WDJ20089.02+040245.08, Gaia DR3 4247531478160569216, WDJ200809.02+040245.09, Gaia DR2 4247531478160569216
| 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 | 20 08 08.96 (0.1) | 20 08 08.97 | 20 08 08.96 | 20 08 09.02 (0.1) | 20 08 08.97 | |||||
| Declination | 04 02 42.59 (0.1) | 04 02 42.67 | 04 02 42.59 | 04 02 45.09 (0.1) | 04 02 42.67 | |||||
| Spectral type | DZ | D | ||||||||
| Effective temperature | [K] | 7696.0 | 7442.0 | 6664.0 (122) | ||||||
| log(g) | [cgs] | 8.31 | 8.23 | 8.02 (0.03) | ||||||
| Mass | [M☉] | 0.792 | 0.719 | 0.588 (0.03) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 2.1500 | 1.9770 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 12.03 (0.2) | 11.97 (0.2) | 12.03 | 12.03 (0.2) | 11.97 (0.2) | ||||
| Distance | [pc] | 83.10 (1) | 83.55 (1) | 83.10 | 83.10 (1) | 83.55 (1) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -48.48684187 (0.2) | -48.62347727 (0.3) | -48.487 (0.2) | -48.62347727 | |||||
| Proper motion (declination) | [mas/yr] | -156.0333948 (0.2) | -155.9380413 (0.4) | -156.033 (0.2) | -155.9380413 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 18.20 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 18.10 | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 18.17 (0.01) | 18.19 | 18.17 | 18.17 (0.003) | 18.19 | |||||
| BP magnitude | 18.37 (0.01) | 18.40 | 18.40 | |||||||
| RP magnitude | 17.91 (0.01) | 17.91 | 17.91 | |||||||
| Pan g magnitude | 18.30 (0.005) | |||||||||
| Pan r magnitude | 18.16 (0.007) | |||||||||
| Pan i magnitude | 18.23 (0.007) | |||||||||
| Pan z magnitude | 18.31 (0.01) | |||||||||
| Pan y magnitude | 18.30 (0.04) | |||||||||
| E(B-V) | 0.010 | |||||||||
* Constant surface field
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