SDSS J165131.41+274229.4
All names: SDSS J165131.40+274229.4, SDSS J165131.41+274229.4, Gaia DR3 1307758408523367296, GALEX J165131.4+274229, SDSS J165131.41+274229.45, Gaia DR2 1307758408523367296, SDSSJ165131.40+274229.4, SDSS J165131.40+274229.5, Gaia EDR3 1307758408523367296
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 51 31.40 (0.1) | 16 51 31.41 | 16 51 31.40 | 16 51 31.40 (0.1) | 16 51 31.41 (0.1) | |||||
| Declination | 27 42 29.34 (0.1) | 27 42 29.49 | 27 42 29.40 | 27 42 29.35 (0.2) | 27 42 29.51 (0.1) | |||||
| Spectral type | He-sdOB | He-sdB | He-sdB | sdBHe | ||||||
| Effective temperature | [K] | 29697.0 | 40032.0 (1208) | |||||||
| log(g) | [cgs] | 4.90 | 5.06 (0.07) | |||||||
| Mass | [M☉] | 0.032 | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.23 (0.2) | 0.23 (0.2) | 0.23 (0.2) | 0.23 (0.2) | |||||
| Distance | [pc] | 4265.85 (2934) | 4310.34 (3879) | 4310.20 (3879) | 4266.21 (2934) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.360852099 (0.2) | -3.691 (0.3) | -3.690750463 (0.3) | -3.361 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | -10.38858134 (0.2) | -10.643 (0.4) | -10.64346689 (0.4) | -10.389 (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 | 18.35 (0.02) | 18.35 (0.02) | 18.38 (0.02) | 18.35 (0.02) | ||||||
| g magnitude | 18.64 (0.008) | 18.64 (0.008) | 18.67 (0.02) | 18.64 (0.008) | ||||||
| r magnitude | 19.08 (0.01) | 19.08 (0.01) | 19.10 (0.02) | 19.08 (0.01) | ||||||
| i magnitude | 19.37 (0.02) | 19.37 (0.02) | 19.39 (0.02) | 19.37 (0.02) | ||||||
| z magnitude | 19.67 (0.07) | 19.67 (0.07) | 19.70 (0.07) | 19.67 (0.07) | ||||||
| G magnitude | 18.86 (0.02) | 18.91 (0.002) | 18.91 | 18.86 (0.003) | ||||||
| BP magnitude | 18.75 (0.02) | 18.66 (0.03) | 18.66 | |||||||
| RP magnitude | 19.18 (0.03) | 19.07 (0.03) | 19.07 | |||||||
| Pan g magnitude | 18.70 (0.008) | 18.70 (0.008) | ||||||||
| Pan r magnitude | 19.08 (0.005) | 19.08 (0.005) | ||||||||
| Pan i magnitude | 19.42 (0.01) | 19.42 (0.01) | ||||||||
| Pan z magnitude | 19.72 (0.02) | 19.72 (0.02) | ||||||||
| Pan y magnitude | 19.73 (0.06) | 19.73 (0.06) | ||||||||
| E(B-V) | 0.028 | |||||||||
* Constant surface field
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