SDSS J140647.76+314858.4
All names: Gaia EDR3 1454373100061654016, SDSS J140647.76+314858.4, Gaia DR2 1454373100061307648, SDSS J140647.76+314858.40, SDSS J140647.75+314858.4, Gaia DR3 1454373100061654016, GALEX J140647.7+314858
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Genest-Beaulieu & Bergeron 2019 (photometric) | MWDD HE | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 06 47.74 (0.2) | 14 06 47.75 | 14 06 47.74 (0.3) | 14 06 47.76 (0.2) | 14 06 47.76 | |||||||
| Declination | 31 48 58.47 (0.2) | 31 48 58.44 | 31 48 58.47 (0.3) | 31 48 58.39 (0.2) | 31 48 58.45 | |||||||
| Spectral type | DB | DB | DB | DB+MS | ||||||||
| Effective temperature | [K] | 16415.0 | 16731.0 | 14946.0 | 16552.0 (364) | |||||||
| log(g) | [cgs] | 8.12 | 8.28 | 8.14 | 8.28 (0.2) | |||||||
| Mass | [M☉] | 0.662 | 0.762 | 0.673 | 0.757 (0.1) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.2566 | ||||||||||
| log(H/He) | -5.498 | |||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| log(N/He) | ||||||||||||
| log(O/He) | ||||||||||||
| log(Na/He) | ||||||||||||
| log(Mg/He) | ||||||||||||
| log(Al/He) | ||||||||||||
| log(Si/He) | ||||||||||||
| log(P/He) | ||||||||||||
| log(S/He) | ||||||||||||
| log(Cl/He) | ||||||||||||
| log(Sc/He) | ||||||||||||
| log(Ti/He) | ||||||||||||
| log(V/He) | ||||||||||||
| log(Cr/He) | ||||||||||||
| log(Mn/He) | ||||||||||||
| log(Fe/He) | ||||||||||||
| log(Co/He) | ||||||||||||
| log(Ni/He) | ||||||||||||
| log(Cu/He) | ||||||||||||
| log(Zn/He) | ||||||||||||
| log(Ga/He) | ||||||||||||
| log(Ge/He) | ||||||||||||
| log(Sr/He) | ||||||||||||
| Parallax | [mas] | 1.85 (0.3) | 2.35 (0.5) | 1.85 (0.3) | ||||||||
| Distance | [pc] | 541.81 (101) | 426.32 (87) | 541.80 (101) | ||||||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -18.01193044 (0.4) | -18.25789556 (0.8) | -18.012 (0.4) | ||||||||
| Proper motion (declination) | [mas/yr] | 5.39030239 (0.3) | 6.359410653 (0.8) | 5.39 (0.3) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | |||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.37 (0.03) | 19.37 (0.03) | 19.40 (0.05) | |||||||||
| g magnitude | 19.45 (0.01) | 19.45 (0.01) | 19.48 (0.02) | |||||||||
| r magnitude | 19.76 (0.02) | 19.76 (0.02) | 19.79 (0.02) | |||||||||
| i magnitude | 20.01 (0.03) | 20.01 (0.03) | 20.01 (0.04) | |||||||||
| z magnitude | 20.65 (0.2) | 20.65 (0.2) | 20.34 (0.1) | |||||||||
| G magnitude | 19.62 (0.03) | 19.67 | 19.62 (0.004) | |||||||||
| BP magnitude | 19.58 (0.03) | 19.59 | ||||||||||
| RP magnitude | 19.68 (0.08) | 19.72 | ||||||||||
| Pan g magnitude | 19.52 (0.009) | |||||||||||
| Pan r magnitude | 19.81 (0.02) | |||||||||||
| Pan i magnitude | 20.02 (0.02) | |||||||||||
| Pan z magnitude | 20.28 (0.02) | |||||||||||
| Pan y magnitude | 20.27 (0.2) | |||||||||||
| E(B-V) | 0.018 | |||||||||||
* Constant surface field
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