PG 0812+482
All names: UCAC4 691-047818, Gaia DR2 931348922106072704, LAMOST J081607.81+480350.7, WISE J081607.90+480350.1, GALEX J081607.8+480350, WISEA J081607.89+480349.8, Gaia EDR3 931348922106072704, SDSS J081607.91+480349.7, PG0812+482, TIC 461658287, SDSS J081607.90+480349.7, PG 0812+482, LAMOST J081607.91+480349.7, Gaia DR3 931348922106072704, 2MASS J08160792+4803495
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | MWDD HE | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 16 07.90 (0.1) | 08 16 07.91 | 08 16 07.94 | 08 16 07.90 (0.07) | 08 16 07.91 (0.1) | 08 16 07.90 | ||||
| Declination | 48 03 49.67 (0.07) | 48 03 49.75 | 48 03 49.83 | 48 03 49.67 (0.04) | 48 03 49.74 (0.07) | 48 03 49.75 | ||||
| Spectral type | sdB | sdB | sdB | SDB | ||||||
| Effective temperature | [K] | 23030.0 (1968) | 21940.0 | 27111.0 (58) | ||||||
| log(g) | [cgs] | 5.23 (0.3) | 4.58 | 5.50 (0.02) | ||||||
| Mass | [M☉] | 0.255 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.46 (0.1) | 0.46 (0.09) | 0.46 (0.09) | 0.46 (0.1) | |||||
| Distance | [pc] | 2175.86 (641) | 2195.39 (435) | 2195.45 (435) | 2175.81 (641) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.90804973 (0.1) | -4.023 (0.1) | -4.022517378 (0.1) | -3.908 (0.1) | 1.0 | ||||
| Proper motion (declination) | [mas/yr] | -4.548603184 (0.09) | -2.268 (0.07) | -2.268152115 (0.07) | -4.549 (0.1) | -3.0 | ||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 14.96 (0.06) | |||||||||
| V magnitude | 15.11 (0.04) | |||||||||
| R magnitude | 15.61 (0.07) | |||||||||
| I magnitude | ||||||||||
| J magnitude | 15.59 (0.07) | 15.59 (0.07) | ||||||||
| H magnitude | 15.56 (0.1) | 15.56 (0.1) | ||||||||
| K magnitude | 15.40 | |||||||||
| u magnitude | 14.93 (0.004) | 14.93 (0.004) | 14.93 (0.004) | 14.95 (0.02) | ||||||
| g magnitude | 14.94 (0.003) | 14.94 (0.003) | 14.94 (0.003) | 14.92 (0.01) | ||||||
| r magnitude | 15.35 (0.003) | 15.35 (0.003) | 15.35 (0.003) | 15.35 (0.01) | ||||||
| i magnitude | 15.66 (0.004) | 15.66 (0.004) | 15.66 (0.004) | 15.66 (0.01) | ||||||
| z magnitude | 15.91 (0.007) | 15.91 (0.007) | 15.91 (0.007) | 15.94 (0.02) | ||||||
| G magnitude | 15.16 (0.001) | 15.18 (0.0005) | 15.18 | 15.16 (0.003) | ||||||
| BP magnitude | 15.06 (0.001) | 15.03 (0.007) | 15.03 | |||||||
| RP magnitude | 15.35 (0.002) | 15.35 (0.004) | 15.35 | |||||||
| Pan g magnitude | 15.02 (0.004) | 15.02 (0.004) | ||||||||
| Pan r magnitude | 15.38 (0.005) | 15.38 (0.005) | ||||||||
| Pan i magnitude | 15.68 (0.002) | 15.68 (0.002) | ||||||||
| Pan z magnitude | 15.93 (0.004) | 15.93 (0.004) | ||||||||
| Pan y magnitude | 16.11 (0.008) | 16.11 (0.008) | ||||||||
| E(B-V) | 0.039 | |||||||||
* Constant surface field
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