SDSS J075713.63+540941.2
All names: Gaia EDR3 984769755397716736, SDSS J075713.62+540941.30, SDSS J075713.62+540941.3, Gaia DR3 984769755397716736, SDSS J075713.62+540941.6, GALEX J075713.6+540941, SDSS J075713.63+540941.2, Gaia DR2 984769755397716736, SDSS J075713.62+540941.2, SDSS J075713.63+540941.0
| 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 | 07 57 13.64 (0.2) | 07 57 13.63 | 07 57 13.64 (0.3) | 07 57 13.63 (0.2) | 07 57 13.62 | |||||||
| Declination | 54 09 40.93 (0.2) | 54 09 41.28 | 54 09 40.94 (0.2) | 54 09 41.33 (0.2) | 54 09 41.30 | |||||||
| Spectral type | DB | DB | DB | DB | ||||||||
| Effective temperature | [K] | 28475.0 | 21950.0 | 19063.0 | 25050.0 (1021) | |||||||
| log(g) | [cgs] | 7.62 | 7.95 | 7.87 | 7.82 (0.1) | |||||||
| Mass | [M☉] | 0.436 | 0.574 | 0.524 | 0.515 (0.05) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0640 | ||||||||||
| log(H/He) | <-3.731 | |||||||||||
| 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] | 1.81 (0.3) | 1.80 (0.4) | 1.81 (0.3) | ||||||||
| Distance | [pc] | 553.48 (78) | 556.48 (115) | 553.46 (78) | ||||||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 4.089253984 (0.3) | 4.940052201 (0.5) | 4.089 (0.3) | ||||||||
| Proper motion (declination) | [mas/yr] | -25.26793059 (0.2) | -25.03261302 (0.4) | -25.268 (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 | 19.00 (0.02) | 19.00 (0.02) | 19.00 (0.02) | |||||||||
| g magnitude | 19.11 (0.01) | 19.11 (0.01) | 19.12 (0.02) | |||||||||
| r magnitude | 19.42 (0.01) | 19.42 (0.01) | 19.41 (0.02) | |||||||||
| i magnitude | 19.76 (0.02) | 19.76 (0.02) | 19.77 (0.03) | |||||||||
| z magnitude | 20.12 (0.1) | 20.12 (0.1) | 20.12 (0.09) | |||||||||
| G magnitude | 19.27 (0.03) | 19.32 | 19.27 (0.004) | |||||||||
| BP magnitude | 19.23 (0.03) | 19.19 | ||||||||||
| RP magnitude | 19.39 (0.04) | 19.40 | ||||||||||
| Pan g magnitude | 19.13 (0.02) | |||||||||||
| Pan r magnitude | 19.46 (0.02) | |||||||||||
| Pan i magnitude | 19.76 (0.009) | |||||||||||
| Pan z magnitude | 19.96 (0.03) | |||||||||||
| Pan y magnitude | 20.43 (0.2) | |||||||||||
| E(B-V) | 0.038 | |||||||||||
* Constant surface field
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