SDSS J135214.70+452007.4
All names: Gaia DR2 1502957971977187968, GALEX J135214.6+452007, SDSS J135214.70+452007.4, Gaia DR3 1502957971977187968, Gaia EDR3 1502957971977187968, SDSS J135214.70+452007.45
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 52 14.69 (0.6) | 13 52 14.70 | 13 52 14.69 (0.8) | 13 52 14.71 (0.6) | |||||
| Declination | 45 20 07.50 (0.7) | 45 20 07.45 | 45 20 07.50 (1) | 45 20 07.42 (0.7) | |||||
| Spectral type | DC: | DC: | DC: | DC | |||||
| Effective temperature | [K] | 7520.0 | 7445.0 | 9477.0 (400) | |||||
| log(g) | [cgs] | 7.78 | 7.74 | 8.00 (0) | |||||
| Mass | [M☉] | 0.472 | 0.431 | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 0.9413 | 0.9555 | ||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.18 (0.8) | 2.79 (1) | 2.18 (0.8) | |||||
| Distance | [pc] | 457.91 (164) | 358.19 (153) | 457.92 (164) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -13.75740516 (0.8) | -14.45514472 (1) | -13.757 (0.8) | |||||
| Proper motion (declination) | [mas/yr] | 5.368411098 (1) | 5.393522491 (2) | 5.368 (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 | 20.94 (0.09) | 20.95 (0.09) | 20.95 (0.09) | ||||||
| g magnitude | 20.65 (0.03) | 20.67 (0.04) | 20.67 (0.04) | ||||||
| r magnitude | 20.72 (0.04) | 20.76 (0.04) | 20.76 (0.04) | ||||||
| i magnitude | 20.85 (0.07) | 20.89 (0.07) | 20.89 (0.07) | ||||||
| z magnitude | 20.28 (0.2) | 20.28 (0.2) | 20.28 (0.2) | ||||||
| G magnitude | 20.64 (0.07) | 20.75 | 20.64 (0.008) | ||||||
| BP magnitude | 20.40 (0.07) | 20.40 | |||||||
| RP magnitude | 20.08 (0.2) | 20.43 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.019 | ||||||||
* Constant surface field
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