SDSS J123647.43+682502.8
All names: J123647.42+682502.9, Gaia DR3 1682554091043762560, SDSS J123647.43+682502.8, SDSS J123647.43+682502.88, Gaia EDR3 1682554091043762560, Gaia DR2 1682554091043762560, SDSS J123647.42+682503.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Barrientos et al. 2024 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 36 47.40 (0.1) | 12 36 47.42 | 12 36 47.40 (0.1) | 12 36 47.40 | 12 36 47.43 (0.1) | ||||||||
| Declination | 68 25 02.69 (0.1) | 68 25 03.01 | 68 25 02.70 (0.1) | 68 25 02.69 | 68 25 02.95 (0.1) | ||||||||
| Spectral type | DQ | DC | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 8813.0 (133) | 9578.0 | 9429.0 | 11875.0 (100) | 9457.0 (344) | |||||||
| log(g) | [cgs] | 7.99 (0.03) | 8.28 | 8.21 | 7.94 (0.05) | 8.20 (0.06) | |||||||
| Mass | [M☉] | 0.57 (0.03) | 0.774 | 0.709 | 0.701 (0.06) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.7700 | 1.0190 | 0.9865 | |||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 6.91 (0.1) | 6.78 (0.2) | 6.91 | 6.91 (0.1) | ||||||||
| Distance | [pc] | 144.78 (3) | 147.60 (3) | 144.78 | 144.78 (3) | ||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -10.31422247 (0.1) | -10.10059655 (0.3) | -10.314 (0.1) | |||||||||
| Proper motion (declination) | [mas/yr] | -16.23332867 (0.2) | -15.81344466 (0.2) | -16.233 (0.2) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 18.73 (0.02) | 18.73 (0.02) | 18.73 (0.02) | ||||||||||
| g magnitude | 18.59 (0.008) | 18.59 (0.01) | 18.59 (0.008) | ||||||||||
| r magnitude | 18.64 (0.009) | 18.64 (0.01) | 18.64 (0.009) | ||||||||||
| i magnitude | 18.75 (0.01) | 18.75 (0.01) | 18.75 (0.01) | ||||||||||
| z magnitude | 18.86 (0.05) | 18.86 (0.05) | 18.86 (0.05) | ||||||||||
| G magnitude | 18.58 (0.02) | 18.61 | 18.58 | 18.58 (0.003) | |||||||||
| BP magnitude | 18.64 (0.02) | 18.63 | |||||||||||
| RP magnitude | 18.49 (0.03) | 18.45 | |||||||||||
| Pan g magnitude | 18.62 (0.008) | ||||||||||||
| Pan r magnitude | 18.64 (0.006) | ||||||||||||
| Pan i magnitude | 18.80 (0.01) | ||||||||||||
| Pan z magnitude | 18.98 (0.04) | ||||||||||||
| Pan y magnitude | 18.95 (0.05) | ||||||||||||
| E(B-V) | 0.012 | ||||||||||||
* Constant surface field
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