USNO-A2.0 1275-08124713
All names: LAMOST J124107.34+401715.2, USNO-A2.0 1275-08124713, SDSS J124107.34+401715.22, Gaia EDR3 1522020823542880000, SDSS J124107.34+401715.2, GALEX J124107.3+401715, Gaia DR2 1522020823542880000, Gaia DR3 1522020823542880000
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | MWDD H | MWDD HE | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 41 07.31 (0.2) | 12 41 07.34 | 12 41 07.34 | 12 41 07.31 (0.4) | 12 41 07.34 | 12 41 07.36 (0.2) | |||||||
| Declination | 40 17 15.06 (0.3) | 40 17 15.23 | 40 17 15.23 | 40 17 15.06 (0.3) | 40 17 15.20 | 40 17 15.27 (0.3) | |||||||
| Spectral type | WD+MS | WD+MS | WD+MS | DA | DA+dM | DA+MS | |||||||
| Effective temperature | [K] | 8485.0 | 8669.0 | 12536.0 (562) | 11104.0 (17) | ||||||||
| log(g) | [cgs] | 7.67 | 7.69 | 8.25 (0.1) | 7.86 (0.09) | ||||||||
| Mass | [M☉] | 0.422 | 0.412 | 0.76 (0.1) | 0.531 (0.04) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.6266 | 0.6187 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 3.15 (0.4) | 3.32 (0.5) | 3.15 (0.4) | |||||||||
| Distance | [pc] | 317.09 (41) | 301.17 (48) | 397.00 (43) | 317.09 (41) | ||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -35.26202391 (0.3) | -36.5157195 (0.6) | -35.262 (0.3) | |||||||||
| Proper motion (declination) | [mas/yr] | -13.6202185 (0.3) | -13.64063046 (0.6) | -13.62 (0.3) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | WDMS | |||||||||||
| B magnitude | 18.90 (0.3) | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 19.10 (0.3) | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.14 (0.04) | 20.14 (0.04) | 20.10 | 20.10 (0.03) | 20.14 (0.04) | ||||||||
| g magnitude | 19.62 (0.01) | 19.62 (0.01) | 19.61 | 19.61 (0.01) | 19.62 (0.01) | ||||||||
| r magnitude | 19.82 (0.02) | 19.82 (0.02) | 19.79 | 19.79 (0.02) | 19.82 (0.02) | ||||||||
| i magnitude | 19.84 (0.02) | 19.84 (0.02) | 19.82 | 19.82 (0.03) | 19.84 (0.02) | ||||||||
| z magnitude | 19.57 (0.06) | 19.57 (0.06) | 19.60 | 19.60 (0.06) | 19.57 (0.06) | ||||||||
| G magnitude | 19.77 (0.03) | 19.78 | 19.77 (0.004) | ||||||||||
| BP magnitude | 19.73 (0.03) | 19.66 | |||||||||||
| RP magnitude | 19.42 (0.05) | 19.27 | |||||||||||
| Pan g magnitude | 19.64 (0.008) | ||||||||||||
| Pan r magnitude | 19.85 (0.01) | ||||||||||||
| Pan i magnitude | 19.88 (0.01) | ||||||||||||
| Pan z magnitude | 19.57 (0.06) | ||||||||||||
| Pan y magnitude | 19.43 (0.05) | ||||||||||||
| E(B-V) | 0.017 | ||||||||||||
* Constant surface field
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