SDSS J125734.56+460805.0
All names: Gaia EDR3 1530779846704493952, Gaia DR3 1530779846704493952, SDSS J125734.56+460805.0, SDSS J125734.56+460805.06, Gaia DR2 1530779846704493952
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 57 34.55 (1) | 12 57 34.56 | 12 57 34.55 (0.9) | 12 57 34.56 (1) | ||||||
| Declination | 46 08 05.32 (2) | 46 08 05.06 | 46 08 05.31 (1) | 46 08 05.08 (2) | ||||||
| Spectral type | DC: | DC: | DC: | DC | ||||||
| Effective temperature | [K] | 8226.0 | 8224.0 | 9510.0 (328) | ||||||
| log(g) | [cgs] | 7.32 | 7.29 | 8.00 (0) | ||||||
| Mass | [M☉] | 0.287 | 0.259 | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.5134 | 0.5282 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.38 (2) | 1.71 (2) | 0.38 (2) | ||||||
| Distance | [pc] | 2650.41 (11222) | 584.46 (544) | 2650.41 (11222) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.874228751 (1) | -4.258618901 (2) | -3.874 (1) | ||||||
| Proper motion (declination) | [mas/yr] | 14.9416527 (2) | 12.9819035 (2) | 14.942 (2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 21.02 (0.07) | 21.01 (0.07) | 21.01 (0.07) | |||||||
| g magnitude | 20.86 (0.03) | 20.92 (0.04) | 20.92 (0.04) | |||||||
| r magnitude | 20.81 (0.04) | 20.83 (0.04) | 20.83 (0.04) | |||||||
| i magnitude | 20.94 (0.06) | 20.97 (0.06) | 20.97 (0.06) | |||||||
| z magnitude | 21.01 (0.2) | 21.08 (0.2) | 21.08 (0.2) | |||||||
| G magnitude | 20.79 (0.09) | 20.90 | 20.79 (0.01) | |||||||
| BP magnitude | 20.68 (0.09) | 20.74 | ||||||||
| RP magnitude | 20.42 (0.2) | 20.32 | ||||||||
| Pan g magnitude | 20.86 (0.03) | |||||||||
| Pan r magnitude | 20.81 (0.02) | |||||||||
| Pan i magnitude | 20.92 (0.04) | |||||||||
| Pan z magnitude | 20.96 (0.06) | |||||||||
| Pan y magnitude | 20.76 (0.2) | |||||||||
| E(B-V) | 0.018 | |||||||||
* Constant surface field
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