SDSS J164707.94+462321.1
All names: SDSS J164707.94+462321.19, Gaia EDR3 1407729854011328896, SDSS J164707.93+462321.4, Gaia DR2 1407729854011328896, Gaia DR3 1407729854011328896, SDSS J164707.94+462321.1, GALEX J164707.9+462321
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 47 07.94 (0.1) | 16 47 07.94 | 16 47 07.94 (0.2) | 16 47 07.94 | 16 47 07.94 (0.1) | |||||||
| Declination | 46 23 21.14 (0.2) | 46 23 21.41 | 46 23 21.15 (0.2) | 46 23 21.14 | 46 23 21.46 (0.2) | |||||||
| Spectral type | DC | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 9675.0 | 9613.0 | 11043.0 (230) | 9153.0 (483) | |||||||
| log(g) | [cgs] | 8.13 | 8.06 | 8.00 (0) | 7.93 (0.1) | |||||||
| Mass | [M☉] | 0.677 | 0.617 | 0.536 (0.09) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.7911 | 0.7552 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 4.56 (0.2) | 4.46 (0.2) | 4.56 | 4.56 (0.2) | |||||||
| Distance | [pc] | 219.14 (8) | 224.26 (12) | 219.14 | 219.14 (8) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -1.226967707 (0.2) | -0.965512099 (0.5) | -1.227 (0.2) | ||||||||
| Proper motion (declination) | [mas/yr] | -20.46726823 (0.3) | -20.85703273 (0.6) | -20.467 (0.3) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.37 (0.03) | 19.35 (0.03) | 19.37 (0.03) | |||||||||
| g magnitude | 19.17 (0.01) | 19.17 (0.02) | 19.17 (0.01) | |||||||||
| r magnitude | 19.31 (0.01) | 19.31 (0.02) | 19.31 (0.01) | |||||||||
| i magnitude | 19.45 (0.02) | 19.46 (0.02) | 19.45 (0.02) | |||||||||
| z magnitude | 19.56 (0.06) | 19.51 (0.06) | 19.56 (0.06) | |||||||||
| G magnitude | 19.20 (0.03) | 19.25 | 19.20 | 19.20 (0.004) | ||||||||
| BP magnitude | 19.30 (0.03) | 19.22 | ||||||||||
| RP magnitude | 19.12 (0.04) | 19.13 | ||||||||||
| Pan g magnitude | 19.24 (0.008) | |||||||||||
| Pan r magnitude | 19.30 (0.01) | |||||||||||
| Pan i magnitude | 19.44 (0.01) | |||||||||||
| Pan z magnitude | 19.58 (0.02) | |||||||||||
| Pan y magnitude | 19.63 (0.07) | |||||||||||
| E(B-V) | 0.019 | |||||||||||
* Constant surface field
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