SDSS J122911.20+564548.3
All names: Gaia EDR3 1574634207279171712, SDSS J122911.18+564548.0, SDSS J122911.20+564548.38, GALEX J122911.2+564549, SDSS J122911.20+564548.3, Gaia DR2 1574634207279171712, Gaia DR3 1574634207279171712
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 29 11.16 (0.5) | 12 29 11.18 | 12 29 11.17 (0.8) | 12 29 11.20 (0.5) | |||||||
| Declination | 56 45 48.14 (0.6) | 56 45 48.10 | 56 45 48.15 (0.8) | 56 45 48.23 (0.6) | |||||||
| Spectral type | DC: | DC: | DC: | DC | DC | ||||||
| Effective temperature | [K] | 7889.0 | 7717.0 | 8759.0 (343) | |||||||
| log(g) | [cgs] | 8.48 | 8.42 | 8.00 (0) | |||||||
| Mass | [M☉] | 0.906 | 0.851 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 2.8280 | 2.7260 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 3.29 (0.7) | 4.22 (1) | 3.29 (0.7) | |||||||
| Distance | [pc] | 304.04 (66) | 237.20 (55) | 304.03 (66) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -20.40507574 (0.6) | -19.95722031 (2) | -20.405 (0.6) | |||||||
| Proper motion (declination) | [mas/yr] | -5.595021418 (0.8) | -8.356142391 (2) | -5.595 (0.8) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 21.03 (0.1) | 21.05 (0.1) | 21.02 (0.1) | ||||||||
| g magnitude | 20.69 (0.03) | 20.72 (0.03) | 20.69 (0.03) | ||||||||
| r magnitude | 20.61 (0.04) | 20.63 (0.04) | 20.61 (0.04) | ||||||||
| i magnitude | 20.82 (0.07) | 20.84 (0.07) | 20.82 (0.07) | ||||||||
| z magnitude | 20.61 (0.2) | 20.63 (0.2) | 20.60 (0.2) | ||||||||
| G magnitude | 20.63 (0.1) | 20.71 | 20.63 (0.008) | ||||||||
| BP magnitude | 20.62 (0.1) | 20.66 | |||||||||
| RP magnitude | 20.17 (0.1) | 20.20 | |||||||||
| Pan g magnitude | 20.64 (0.03) | ||||||||||
| Pan r magnitude | 20.60 (0.02) | ||||||||||
| Pan i magnitude | 20.70 (0.03) | ||||||||||
| Pan z magnitude | 20.75 (0.1) | ||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.018 | ||||||||||
* Constant surface field
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