SDSS J074610.18+344849.1
All names: SDSS J074610.18+344849.1, SDSSJ074610.18+344849.1, Gaia DR2 894606743903891072, GALEX J074610.2+344849, Gaia DR3 894606743903891072, Gaia EDR3 894606743903891072
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 46 10.19 (0.5) | 07 46 10.19 | 07 46 10.18 | 07 46 10.19 (0.5) | 07 46 10.19 (0.5) | 07 46 10.19 | ||||||
| Declination | 34 48 49.23 (0.4) | 34 48 49.23 | 34 48 49.10 | 34 48 49.23 (0.4) | 34 48 49.24 (0.4) | 34 48 49.15 | ||||||
| Spectral type | sdB | sdB | sdB | sdB | SDB | sdB | ||||||
| Effective temperature | [K] | 16372.0 | 18473.0 | 28767.0 (591) | ||||||||
| log(g) | [cgs] | 7.29 | 7.51 | 5.10 (0.1) | ||||||||
| Mass | [M☉] | 0.315 | 0.367 | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0696 | 0.0515 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 1.00 (0.5) | 1.13 (0.7) | 1.13 (0.7) | 1.00 (0.5) | |||||||
| Distance | [pc] | 996.20 (540) | 888.42 (551) | 888.38 (551) | 996.21 (540) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -2.062207187 (0.6) | -2.442 (1) | -2.441961154 (1) | -2.062 (0.6) | 0.1 | ||||||
| Proper motion (declination) | [mas/yr] | -0.568717059 (0.4) | -0.825 (0.7) | -0.824580459 (0.7) | -0.569 (0.4) | -1.8 | ||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.51 (0.03) | 19.51 (0.03) | 19.50 (0.03) | 19.49 (0.03) | ||||||||
| g magnitude | 19.65 (0.01) | 19.65 (0.01) | 19.65 (0.01) | 19.64 (0.02) | ||||||||
| r magnitude | 20.08 (0.02) | 20.09 (0.02) | 20.11 (0.02) | 20.10 (0.02) | ||||||||
| i magnitude | 20.42 (0.04) | 20.42 (0.04) | 20.44 (0.04) | 20.44 (0.04) | ||||||||
| z magnitude | 20.39 (0.1) | 20.39 (0.1) | 20.40 (0.1) | 20.34 (0.1) | ||||||||
| G magnitude | 19.87 (0.05) | 19.93 (0.005) | 19.93 | 19.87 (0.005) | ||||||||
| BP magnitude | 19.80 (0.05) | 19.61 (0.05) | 19.61 | |||||||||
| RP magnitude | 19.91 (0.09) | 19.91 (0.1) | 19.91 | |||||||||
| Pan g magnitude | 19.71 (0.02) | 19.71 (0.01) | ||||||||||
| Pan r magnitude | 20.08 (0.02) | 20.08 (0.02) | ||||||||||
| Pan i magnitude | 20.42 (0.02) | 20.42 (0.02) | ||||||||||
| Pan z magnitude | 20.66 (0.06) | 20.66 (0.06) | ||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.041 | |||||||||||
* Constant surface field
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