SDSS J094900.46+025702.9
All names: Gaia DR3 3847149575945308800, GALEX J094900.4+025703, Gaia EDR3 3847149575945308800, SDSSJ094900.45+025702.9, SDSS J094900.46+025702.9, Gaia DR2 3847149575945308800, SDSS J094900.45+025702.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | MWDD HE | Gaia DR2 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 49 00.46 (0.2) | 09 49 00.46 | 09 49 00.46 | 09 49 00.46 (0.3) | 09 49 00.46 (0.2) | 09 49 00.46 | |||
| Declination | 02 57 02.96 (0.2) | 02 57 02.93 | 02 57 02.92 | 02 57 02.96 (0.3) | 02 57 02.98 (0.2) | 02 57 02.93 | |||
| Spectral type | sdB | sd | sdB | SD_auto | |||||
| Effective temperature | [K] | 13919.0 | 22631.0 (854) | ||||||
| log(g) | [cgs] | 6.45 | 5.00 (0.01) | ||||||
| Mass | [M☉] | 0.135 | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | -0.15 (0.2) | -1.17 (0.5) | -1.17 (0.5) | |||||
| Distance | [pc] | ||||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -0.941493943 (0.3) | -1.797 (0.5) | -1.796566865 (0.5) | -0.941 (0.3) | 1.8 | |||
| Proper motion (declination) | [mas/yr] | -1.328123781 (0.2) | 0.169 (0.6) | 0.168966042 (0.6) | -1.328 (0.2) | 1.9 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 19.06 (0.02) | 19.07 (0.02) | 19.07 (0.02) | 19.06 (0.03) | |||||
| g magnitude | 18.64 (0.008) | 18.64 (0.008) | 18.64 (0.008) | 18.67 (0.02) | |||||
| r magnitude | 18.95 (0.01) | 18.95 (0.01) | 18.95 (0.01) | 18.98 (0.02) | |||||
| i magnitude | 19.21 (0.02) | 19.21 (0.02) | 19.21 (0.02) | 19.19 (0.02) | |||||
| z magnitude | 19.42 (0.06) | 19.42 (0.06) | 19.42 (0.06) | 19.32 (0.08) | |||||
| G magnitude | 18.81 (0.02) | 18.84 (0.005) | 18.84 | 18.81 (0.003) | |||||
| BP magnitude | 18.80 (0.02) | 18.81 (0.04) | 18.81 | ||||||
| RP magnitude | 18.92 (0.04) | 18.92 (0.04) | 18.92 | ||||||
| Pan g magnitude | 18.70 (0.01) | 18.70 (0.01) | |||||||
| Pan r magnitude | 18.95 (0.005) | 18.95 (0.005) | |||||||
| Pan i magnitude | 19.25 (0.01) | 19.25 (0.01) | |||||||
| Pan z magnitude | 19.42 (0.01) | 19.42 (0.01) | |||||||
| Pan y magnitude | 19.44 (0.04) | 19.43 (0.04) | |||||||
| E(B-V) | |||||||||
* Constant surface field
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