SDSS J180635.71+235908.4
All names: SDSS J180635.71+235908.40, Gaia DR3 4579091241042194048, Gaia DR2 4579091241042194048, SDSSJ180635.71+235908.4, Gaia EDR3 4579091241042194048, GALEX J180635.6+235908, SDSS J180635.71+235908.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 06 35.71 (0.06) | 18 06 35.71 | 18 06 35.71 | 18 06 35.71 (0.07) | 18 06 35.71 (0.06) | |||||
| Declination | 23 59 08.36 (0.08) | 23 59 08.43 | 23 59 08.45 | 23 59 08.36 (0.1) | 23 59 08.40 (0.08) | |||||
| Spectral type | He-sdO | He-sdO | He-sdO | sdOHe | ||||||
| Effective temperature | [K] | 22088.0 | 49934.0 (270) | |||||||
| log(g) | [cgs] | 4.68 | 6.51 (0.02) | |||||||
| Mass | [M☉] | 0.228 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.17 (0.1) | 0.14 (0.1) | 0.14 (0.1) | 0.17 (0.1) | |||||
| Distance | [pc] | 5986.05 (3720) | 7057.16 (6923) | 7059.39 (6927) | 5984.44 (3717) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -1.823967676 (0.08) | -1.507 (0.2) | -1.506685411 (0.2) | -1.824 (0.08) | |||||
| Proper motion (declination) | [mas/yr] | -2.60789861 (0.1) | -2.673 (0.2) | -2.673415848 (0.2) | -2.608 (0.1) | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 17.62 (0.01) | 17.62 (0.01) | 17.62 (0.01) | 17.62 (0.01) | ||||||
| g magnitude | 17.93 (0.005) | 17.93 (0.005) | 17.93 (0.01) | 17.93 (0.005) | ||||||
| r magnitude | 18.38 (0.008) | 18.38 (0.008) | 18.38 (0.01) | 18.38 (0.008) | ||||||
| i magnitude | 18.65 (0.01) | 18.65 (0.01) | 18.65 (0.01) | 18.65 (0.01) | ||||||
| z magnitude | 19.00 (0.05) | 19.00 (0.05) | 19.00 (0.05) | 19.00 (0.05) | ||||||
| G magnitude | 18.14 (0.009) | 18.17 (0.002) | 18.17 | 18.14 (0.003) | ||||||
| BP magnitude | 18.02 (0.009) | 17.95 (0.01) | 17.95 | |||||||
| RP magnitude | 18.39 (0.02) | 18.33 (0.02) | 18.33 | |||||||
| Pan g magnitude | 18.02 (0.006) | 18.02 (0.006) | ||||||||
| Pan r magnitude | 18.36 (0.004) | 18.36 (0.004) | ||||||||
| Pan i magnitude | 18.67 (0.009) | 18.67 (0.009) | ||||||||
| Pan z magnitude | 18.93 (0.01) | 18.93 (0.01) | ||||||||
| Pan y magnitude | 19.04 (0.05) | 19.04 (0.05) | ||||||||
| E(B-V) | 0.085 | |||||||||
* Constant surface field
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