Gaia DR2 2150591795574568192
All names: WDJ182519.30+553849.16, WDS J18254+5539B, USNO-B1.0 1456-00277690, Gaia EDR3 2150591795574568192, WDJ182519.3+553849.16, Gaia DR2 2150591795574568192, ** LDS 4786B, Gaia DR3 2150591795574568192, NLTT 46497, LSPM J1825+5538E, LP 140-23
| 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 19.00 (0.1) | 18 25 19.01 | 18 25 19.00 | 18 25 19.30 (0.1) | 18 25 19.01 | |||||
| Declination | 55 38 46.59 (0.1) | 55 38 46.67 | 55 38 46.59 | 55 38 49.17 (0.1) | 55 38 46.67 | |||||
| Spectral type | DC: | DC | ||||||||
| Effective temperature | [K] | 4579.0 | 4270.0 | 4697.0 (105) | ||||||
| log(g) | [cgs] | 8.04 | 7.80 | 8.13 (0.05) | ||||||
| Mass | [M☉] | 0.604 | 0.455 | 0.658 (0.05) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 7.7130 | 5.6420 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 21.13 (0.2) | 20.93 (0.2) | 21.13 | 21.13 (0.2) | 20.93 (0.2) | ||||
| Distance | [pc] | 47.32 (0.4) | 47.78 (0.4) | 47.32 | 47.32 (0.4) | 47.78 (0.4) | ||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -156.9940998 (0.2) | -156.5607911 (0.4) | -156.994 (0.2) | -156.5607911 | |||||
| Proper motion (declination) | [mas/yr] | -161.0231481 (0.2) | -160.7316277 (0.4) | -161.023 (0.2) | -160.7316277 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 19.90 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 18.30 | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 18.74 (0.04) | 18.77 | 18.74 | 18.74 (0.003) | 18.77 | |||||
| BP magnitude | 19.31 (0.04) | 19.31 | 19.31 | |||||||
| RP magnitude | 18.00 (0.03) | 18.06 | 18.06 | |||||||
| Pan g magnitude | 19.47 (0.01) | |||||||||
| Pan r magnitude | 18.71 (0.009) | |||||||||
| Pan i magnitude | 18.37 (0.005) | |||||||||
| Pan z magnitude | 18.26 (0.008) | |||||||||
| Pan y magnitude | 18.19 (0.02) | |||||||||
| E(B-V) | 0.006 | |||||||||
* Constant surface field
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