SDSS J082550.90+153307.9
All names: GALEX J082550.8+153308, SDSS J082550.90+153307.9, SDSS J082550.89+153307.9, SDSS J082550.90+153307.96, Gaia EDR3 652596606768443648, Gaia DR3 652596606768443648, SDSS J082550.89+153308.0, SDSSJ082550.89+153308.0, Gaia DR2 652596606768443648
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 25 50.90 (0.2) | 08 25 50.90 | 08 25 50.89 | 08 25 50.90 (0.3) | 08 25 50.90 (0.2) | |||||
| Declination | 15 33 07.98 (0.1) | 15 33 07.98 | 15 33 08.00 | 15 33 07.98 (0.2) | 15 33 08.05 (0.1) | |||||
| Spectral type | sdO | sdO | sdO | sdO | ||||||
| Effective temperature | [K] | 28013.0 | 58605.0 (4293) | |||||||
| log(g) | [cgs] | 5.90 | 5.24 (0.2) | |||||||
| Mass | [M☉] | 0.153 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.45 (0.2) | 0.30 (0.4) | 0.30 (0.4) | 0.45 (0.2) | |||||
| Distance | [pc] | 2210.54 (1147) | 3302.51 (3921) | 3302.20 (3920) | 2210.43 (1147) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 1.78479946 (0.2) | 1.327 (0.6) | 1.326652867 (0.6) | 1.785 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | -4.443287608 (0.2) | -4.873 (0.4) | -4.873407242 (0.4) | -4.443 (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 | 18.31 (0.02) | 18.31 (0.01) | 18.31 (0.02) | 18.31 (0.01) | ||||||
| g magnitude | 18.75 (0.008) | 18.75 (0.008) | 18.77 (0.02) | 18.75 (0.008) | ||||||
| r magnitude | 19.29 (0.01) | 19.29 (0.01) | 19.28 (0.02) | 19.29 (0.01) | ||||||
| i magnitude | 19.68 (0.02) | 19.68 (0.02) | 19.68 (0.03) | 19.68 (0.02) | ||||||
| z magnitude | 20.14 (0.1) | 20.14 (0.1) | 20.14 (0.1) | 20.10 (0.1) | ||||||
| G magnitude | 19.02 (0.02) | 19.06 (0.004) | 19.06 | 19.02 (0.004) | ||||||
| BP magnitude | 18.93 (0.02) | 18.82 (0.02) | 18.82 | |||||||
| RP magnitude | 19.38 (0.07) | 19.42 (0.07) | 19.42 | |||||||
| Pan g magnitude | 18.83 (0.007) | 18.84 (0.007) | ||||||||
| Pan r magnitude | 19.27 (0.01) | 19.27 (0.01) | ||||||||
| Pan i magnitude | 19.66 (0.01) | 19.66 (0.01) | ||||||||
| Pan z magnitude | 19.95 (0.03) | 19.95 (0.03) | ||||||||
| Pan y magnitude | 19.99 (0.07) | 19.99 (0.07) | ||||||||
| E(B-V) | 0.034 | |||||||||
* Constant surface field
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