Gaia DR2 2150591799870095872
All names: USNO-B1.0 1456-00277688, WDS J18254+5539A, NLTT 46495, Gaia DR2 2150591799870095872, WDJ182518.67+553847.70, ** LDS 4786A, Gaia EDR3 2150591799870095872, LSPM J1825+5538W, Gaia DR3 2150591799870095872, LP 140-22
| 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 | 18 25 18.37 (0.1) | 18 25 18.38 | 18 25 18.37 | 18 25 18.67 (0.1) | 18 25 18.38 | |||||
| Declination | 55 38 45.16 (0.1) | 55 38 45.24 | 55 38 45.16 | 55 38 47.70 (0.1) | 55 38 45.24 | |||||
| Spectral type | DC: | DC | ||||||||
| Effective temperature | [K] | 4600.0 | 4288.0 | 4609.0 (74) | ||||||
| log(g) | [cgs] | 7.85 | 7.61 | 7.86 (0.04) | ||||||
| Mass | [M☉] | 0.49 | 0.358 | 0.495 (0.03) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 5.6330 | 4.0150 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 20.90 (0.1) | 20.71 (0.2) | 20.90 | 20.90 (0.1) | 20.71 (0.2) | ||||
| Distance | [pc] | 47.85 (0.3) | 48.29 (0.4) | 47.85 | 47.85 (0.3) | 48.29 (0.4) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -155.1961032 (0.2) | -155.7941001 (0.4) | -155.196 (0.2) | -155.7941001 | |||||
| Proper motion (declination) | [mas/yr] | -158.702195 (0.2) | -158.7251182 (0.3) | -158.702 (0.2) | -158.7251182 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 19.10 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 18.00 | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 18.49 (0.03) | 18.51 | 18.49 | 18.49 (0.003) | 18.51 | |||||
| BP magnitude | 19.07 (0.03) | 19.03 | 19.03 | |||||||
| RP magnitude | 17.78 (0.02) | 17.78 | 17.78 | |||||||
| Pan g magnitude | 19.22 (0.008) | |||||||||
| Pan r magnitude | 18.46 (0.007) | |||||||||
| Pan i magnitude | 18.12 (0.005) | |||||||||
| Pan z magnitude | 18.00 (0.007) | |||||||||
| Pan y magnitude | 17.98 (0.02) | |||||||||
| E(B-V) | 0.006 | |||||||||
* Constant surface field
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