Gaia DR2 4577259489030858240
All names: Gaia EDR3 4577259489030858240, Gaia DR2 4577259489030858240, WDJ175448.21+223448.93, WDJ175448.21+223448.92, GALEX J175448.2+223449, Gaia DR3 4577259489030858240
| 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 | 17 54 48.22 (0.04) | 17 54 48.22 | 17 54 48.22 | 17 54 48.21 (0.04) | 17 54 48.22 | |||||
| Declination | 22 34 49.55 (0.06) | 22 34 49.53 | 22 34 49.55 | 22 34 48.93 (0.06) | 22 34 49.53 | |||||
| Spectral type | DQ | D | ||||||||
| Effective temperature | [K] | 9620.0 | 9462.0 | 8681.0 (75) | ||||||
| log(g) | [cgs] | 8.28 | 8.21 | 7.92 (0.02) | ||||||
| Mass | [M☉] | 0.777 | 0.71 | 0.53 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.0140 | 0.9787 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 11.42 (0.07) | 11.49 (0.09) | 11.42 | 11.42 (0.07) | 11.49 (0.09) | ||||
| Distance | [pc] | 87.59 (0.5) | 87.01 (0.7) | 87.59 | 87.59 (0.5) | 87.01 (0.7) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 6.802031271 (0.05) | 6.618503367 (0.1) | 6.802 (0.05) | 6.618503367 | |||||
| Proper motion (declination) | [mas/yr] | 38.51400783 (0.07) | 38.61660528 (0.2) | 38.514 (0.07) | 38.61660528 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 17.41 (0.008) | 17.44 | 17.41 | 17.41 (0.003) | 17.44 | |||||
| BP magnitude | 17.47 (0.008) | 17.43 | 17.43 | |||||||
| RP magnitude | 17.29 (0.007) | 17.29 | 17.29 | |||||||
| Pan g magnitude | 17.45 (0.003) | |||||||||
| Pan r magnitude | 17.52 (0.005) | |||||||||
| Pan i magnitude | 17.63 (0.004) | |||||||||
| Pan z magnitude | 17.77 (0.004) | |||||||||
| Pan y magnitude | 17.89 (0.01) | |||||||||
| E(B-V) | 0.021 | |||||||||
* Constant surface field
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