SDSS J084812.96+324655.8
All names: SDSSJ084812.97+324655.88, GALEX J084812.9+324657, SDSS J084812.97+324655.8, Gaia DR2 710068010832222848, USNO-A2.0 1200-06146852, SDSS J084812.96+324655.8, Gaia DR3 710068010832222848, Gaia EDR3 710068010832222848
| 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 | 08 48 12.98 (0.3) | 08 48 12.97 | 08 48 12.97 | 08 48 12.98 (0.4) | 08 48 12.97 (0.3) | 08 48 12.97 | ||||||
| Declination | 32 46 55.47 (0.2) | 32 46 55.88 | 32 46 55.88 | 32 46 55.48 (0.2) | 32 46 55.97 (0.2) | 32 46 55.88 | ||||||
| Spectral type | sdB | HeSDB: | HeSDB: | DBA | HeSDB: | DA | ||||||
| Effective temperature | [K] | 10837.0 | 11791.0 | 15474.0 (318) | ||||||||
| log(g) | [cgs] | 7.38 | 7.42 | 8.80 (0.2) | ||||||||
| Mass | [M☉] | 0.319 | 0.316 | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.2614 | 0.2200 | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 2.12 (0.4) | 2.21 (0.5) | 2.21 (0.5) | 2.12 (0.4) | |||||||
| Distance | [pc] | 472.35 (94) | 452.32 (108) | 452.32 (108) | 472.34 (94) | |||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 9.642347004 (0.4) | 9.35 (0.7) | 9.349765016 (0.7) | 9.642 (0.4) | 6.9 | ||||||
| Proper motion (declination) | [mas/yr] | -31.74061562 (0.3) | -31.183 (0.5) | -31.18347863 (0.5) | -31.741 (0.3) | -28.9 | ||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 18.40 (0.3) | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 18.80 (0.3) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.07 (0.02) | 19.07 (0.02) | 19.07 (0.02) | 19.06 (0.04) | ||||||||
| g magnitude | 19.19 (0.01) | 19.19 (0.01) | 19.19 (0.01) | 19.19 (0.02) | ||||||||
| r magnitude | 19.55 (0.02) | 19.55 (0.02) | 19.55 (0.02) | 19.58 (0.02) | ||||||||
| i magnitude | 19.70 (0.03) | 19.70 (0.03) | 19.70 (0.03) | 19.72 (0.03) | ||||||||
| z magnitude | 20.12 (0.1) | 20.11 (0.1) | 20.11 (0.1) | 20.13 (0.1) | ||||||||
| G magnitude | 19.36 (0.03) | 19.42 (0.004) | 19.42 | 19.36 (0.004) | ||||||||
| BP magnitude | 19.33 (0.03) | 19.26 (0.02) | 19.26 | |||||||||
| RP magnitude | 19.50 (0.05) | 19.33 (0.05) | 19.33 | |||||||||
| Pan g magnitude | 19.22 (0.02) | 19.22 (0.02) | ||||||||||
| Pan r magnitude | 19.51 (0.02) | 19.51 (0.02) | ||||||||||
| Pan i magnitude | 19.73 (0.02) | 19.73 (0.02) | ||||||||||
| Pan z magnitude | 19.90 (0.02) | 19.90 (0.02) | ||||||||||
| Pan y magnitude | 19.80 (0.009) | 19.80 (0.009) | ||||||||||
| E(B-V) | 0.023 | |||||||||||
* Constant surface field
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