SDSS J164344.36+343305.4
All names: SDSS J164344.36+343305.4, Gaia DR2 1326576378234230528, SDSS J164344.35+343305.4, USNO-B1.0 1245-00244439, Gaia DR3 1326576378234230528, Gaia EDR3 1326576378234230528, GALEX J164344.3+343305
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 43 44.35 (0.2) | 16 43 44.36 | 16 43 44.35 (0.3) | 16 43 44.36 (0.2) | 16 43 44.36 | ||||||
| Declination | 34 33 05.43 (0.3) | 34 33 05.46 | 34 33 05.43 (0.3) | 34 33 05.46 (0.3) | 34 33 05.42 | ||||||
| Spectral type | HeSDB: | HeSDB: | D | HeSDB: | DB | ||||||
| Effective temperature | [K] | 16360.0 | 18210.0 | 23420.0 (1861) | |||||||
| log(g) | [cgs] | 7.79 | 8.00 | 7.55 (0.3) | |||||||
| Mass | [M☉] | 0.502 | 0.596 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.1017 | 0.1019 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 1.92 (0.3) | 1.75 (0.4) | 1.92 (0.3) | |||||||
| Distance | [pc] | 521.11 (78) | 569.81 (125) | 521.10 (78) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.847160893 (0.3) | -3.063669241 (0.6) | -3.847 (0.3) | -2.7 | ||||||
| Proper motion (declination) | [mas/yr] | -2.079997635 (0.3) | -2.060526748 (0.8) | -2.08 (0.3) | 9.5 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 19.70 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 20.40 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.34 (0.03) | 19.34 (0.03) | 19.41 (0.04) | ||||||||
| g magnitude | 19.46 (0.01) | 19.46 (0.01) | 19.46 (0.03) | ||||||||
| r magnitude | 19.77 (0.02) | 19.77 (0.02) | 19.82 (0.02) | ||||||||
| i magnitude | 20.10 (0.03) | 20.10 (0.03) | 20.07 (0.04) | ||||||||
| z magnitude | 20.09 (0.1) | 20.09 (0.1) | 20.14 (0.1) | ||||||||
| G magnitude | 19.61 (0.03) | 19.66 | 19.61 (0.004) | ||||||||
| BP magnitude | 19.51 (0.03) | 19.53 | |||||||||
| RP magnitude | 19.69 (0.07) | 19.81 | |||||||||
| Pan g magnitude | 19.47 (0.008) | ||||||||||
| Pan r magnitude | 19.80 (0.01) | ||||||||||
| Pan i magnitude | 20.08 (0.01) | ||||||||||
| Pan z magnitude | 20.31 (0.04) | ||||||||||
| Pan y magnitude | 19.92 (0.2) | ||||||||||
| E(B-V) | 0.021 | ||||||||||
* Constant surface field
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