SDSS J145207.18+325240.4
All names: GALEX J145207.1+325240, SDSS J145207.18+325240.4, SDSS J145207.17+325240.4, SDSS J145207.18+325240.41, Gaia DR2 1289497444530872832, Gaia EDR3 1289497444530872832, Gaia DR3 1289497444530872832
| 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 | 14 52 07.16 (0.1) | 14 52 07.18 | 14 52 07.16 (0.2) | 14 52 07.16 | 14 52 07.19 (0.1) | |||||||
| Declination | 32 52 40.14 (0.2) | 32 52 40.43 | 32 52 40.15 (0.2) | 32 52 40.14 | 32 52 40.46 (0.2) | |||||||
| Spectral type | DC | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 8086.0 | 7856.0 | 8849.0 (1000) | 7951.0 (303) | |||||||
| log(g) | [cgs] | 8.23 | 8.16 | 6.64 (0.5) | 8.13 (0.07) | |||||||
| Mass | [M☉] | 0.74 | 0.675 | 0.66 (0.07) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 1.5190 | 1.4390 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 6.33 (0.2) | 6.26 (0.3) | 6.33 | 6.33 (0.2) | |||||||
| Distance | [pc] | 157.89 (5) | 159.84 (8) | 157.89 | 157.89 (5) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -27.69536216 (0.1) | -27.16932261 (0.3) | -27.695 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | -19.65186602 (0.2) | -19.05239282 (0.5) | -19.652 (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 | 19.66 (0.03) | 19.66 (0.03) | 19.66 (0.03) | |||||||||
| g magnitude | 19.36 (0.01) | 19.36 (0.01) | 19.36 (0.01) | |||||||||
| r magnitude | 19.28 (0.01) | 19.28 (0.01) | 19.28 (0.01) | |||||||||
| i magnitude | 19.35 (0.02) | 19.35 (0.02) | 19.35 (0.02) | |||||||||
| z magnitude | 19.38 (0.06) | 19.38 (0.06) | 19.39 (0.06) | |||||||||
| G magnitude | 19.26 (0.03) | 19.30 | 19.26 | 19.26 (0.003) | ||||||||
| BP magnitude | 19.42 (0.03) | 19.39 | ||||||||||
| RP magnitude | 19.07 (0.03) | 19.05 | ||||||||||
| Pan g magnitude | 19.38 (0.01) | |||||||||||
| Pan r magnitude | 19.30 (0.01) | |||||||||||
| Pan i magnitude | 19.37 (0.006) | |||||||||||
| Pan z magnitude | 19.45 (0.03) | |||||||||||
| Pan y magnitude | 19.52 (0.07) | |||||||||||
| E(B-V) | 0.018 | |||||||||||
* Constant surface field
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