SDSS J124741.77+394339.4
All names: SDSS J124741.76+394339.3, SDSS J124741.77+394339.4, SDSS J124741.75+394339.1, Gaia DR2 1521802295606523392, Gaia EDR3 1521802295606523392, Gaia DR3 1521802295606523392
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 47 41.68 (0.2) | 12 47 41.77 | 12 47 41.69 (0.2) | 12 47 41.68 | 12 47 41.79 (0.2) | 12 47 41.77 | ||||||
| Declination | 39 43 39.22 (0.1) | 39 43 39.36 | 39 43 39.22 (0.2) | 39 43 39.22 | 39 43 39.36 (0.1) | 39 43 39.39 | ||||||
| Spectral type | DC | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 9933.0 | 9938.0 | 9615.0 (384) | 10221.0 (118) | |||||||
| log(g) | [cgs] | 8.11 | 8.05 | 8.02 (0.08) | 9.18 (0.6) | |||||||
| Mass | [M☉] | 0.667 | 0.609 | 0.592 (0.07) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.7195 | 0.6784 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 5.68 (0.2) | 5.42 (0.3) | 5.68 | 5.68 (0.2) | |||||||
| Distance | [pc] | 175.95 (6) | 184.46 (9) | 175.95 | 175.95 (6) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -77.75237471 (0.1) | -77.77508518 (0.4) | -77.752 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | -8.786765268 (0.1) | -9.064573278 (0.3) | -8.787 (0.1) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.81 (0.02) | 18.81 (0.02) | 18.84 (0.02) | |||||||||
| g magnitude | 18.67 (0.008) | 18.67 (0.008) | 18.69 (0.02) | |||||||||
| r magnitude | 18.76 (0.009) | 18.76 (0.009) | 18.75 (0.02) | |||||||||
| i magnitude | 18.90 (0.01) | 18.90 (0.01) | 18.89 (0.03) | |||||||||
| z magnitude | 19.07 (0.04) | 19.07 (0.04) | 19.07 (0.05) | |||||||||
| G magnitude | 18.68 (0.03) | 18.72 | 18.68 | 18.68 (0.003) | ||||||||
| BP magnitude | 18.77 (0.03) | 18.71 | ||||||||||
| RP magnitude | 18.62 (0.03) | 18.57 | ||||||||||
| Pan g magnitude | 18.69 (0.01) | |||||||||||
| Pan r magnitude | 18.77 (0.006) | |||||||||||
| Pan i magnitude | 18.92 (0.006) | |||||||||||
| Pan z magnitude | 19.07 (0.02) | |||||||||||
| Pan y magnitude | 19.15 (0.04) | |||||||||||
| E(B-V) | 0.008 | |||||||||||
* Constant surface field
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