SDSS J165425.59+222449.4
All names: Gaia DR2 4565373592234411776, SDSS J165425.60+222449.4, SDSS J165425.60+222449.50, SDSSJ165425.59+222449.4, SDSS J165425.59+222449.5, GALEX J165425.6+222449, SDSS J165425.60+222449.5, Gaia DR3 4565373592234411776, SDSS J165425.59+222449.4, Gaia EDR3 4565373592234411776
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Geier 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 54 25.59 (0.1) | 16 54 25.60 | 16 54 25.60 | 16 54 25.59 | 16 54 25.59 (0.2) | 16 54 25.60 (0.1) | 16 54 25.60 | ||||||
| Declination | 22 24 49.42 (0.2) | 22 24 49.50 | 22 24 49.50 | 22 24 49.40 | 22 24 49.42 (0.2) | 22 24 49.48 (0.2) | 22 24 49.49 | ||||||
| Spectral type | sdO | He-sdO | He-sdO | He-sdO | sdO | SDO | |||||||
| Effective temperature | [K] | 17861.0 | 22374.0 | 50000.0 (446) | 79747.0 (11104) | ||||||||
| log(g) | [cgs] | 5.80 | 5.75 | 7.07 (0.07) | 5.88 (0.5) | ||||||||
| Mass | [M☉] | 0.139 | 0.1 | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | ||||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 0.52 (0.3) | 0.35 (0.3) | 0.35 (0.3) | 0.52 (0.3) | ||||||||
| Distance | [pc] | 1909.30 (927) | 2896.03 (2770) | 2895.77 (2770) | 1909.13 (927) | ||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.750155077 (0.2) | -6.486 (0.5) | -6.486473474 (0.5) | -6.75 (0.2) | -1.3 | |||||||
| Proper motion (declination) | [mas/yr] | -3.904164722 (0.2) | -4.419 (0.5) | -4.418715561 (0.5) | -3.904 (0.2) | -1.7 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 18.88 (0.02) | 18.88 (0.02) | 18.88 (0.02) | 18.87 (0.03) | 18.88 (0.02) | 18.86 (0.03) | |||||||
| g magnitude | 19.21 (0.01) | 19.21 (0.01) | 19.21 (0.01) | 19.21 (0.02) | 19.21 (0.01) | 19.21 (0.02) | |||||||
| r magnitude | 19.64 (0.02) | 19.64 (0.02) | 19.64 (0.02) | 19.63 (0.02) | 19.64 (0.02) | 19.62 (0.02) | |||||||
| i magnitude | 19.95 (0.03) | 19.95 (0.03) | 19.95 (0.03) | 19.94 (0.03) | 19.95 (0.03) | 19.95 (0.03) | |||||||
| z magnitude | 20.10 (0.1) | 20.10 (0.1) | 20.10 (0.1) | 20.09 (0.09) | 20.10 (0.1) | 20.06 (0.09) | |||||||
| G magnitude | 19.43 (0.02) | 19.47 (0.004) | 19.47 | 19.43 (0.004) | |||||||||
| BP magnitude | 19.32 (0.02) | 19.27 (0.03) | 19.27 | ||||||||||
| RP magnitude | 19.65 (0.04) | 19.62 (0.05) | 19.62 | ||||||||||
| Pan g magnitude | 19.28 (0.01) | 19.28 (0.01) | |||||||||||
| Pan r magnitude | 19.63 (0.01) | 19.63 (0.01) | |||||||||||
| Pan i magnitude | 19.99 (0.01) | 19.99 (0.01) | |||||||||||
| Pan z magnitude | 20.17 (0.05) | 20.16 (0.05) | |||||||||||
| Pan y magnitude | 20.28 (0.2) | 20.28 (0.2) | |||||||||||
| E(B-V) | 0.038 | ||||||||||||
* Constant surface field
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