SDSS J161512.69+172531.4
All names: Gaia EDR3 1198980768249106816, GALEX J161512.7+172531, SDSS J161512.69+172531.44, SDSS J161512.69+172531.4, Gaia DR2 1198980768249106816, Gaia DR3 1198980768249106816
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 15 12.69 (0.2) | 16 15 12.69 | 16 15 12.69 (0.3) | 16 15 12.69 (0.2) | ||||||
| Declination | 17 25 31.43 (0.2) | 17 25 31.45 | 17 25 31.43 (0.3) | 17 25 31.45 (0.2) | ||||||
| Spectral type | sdB | sdB | sdB | sdB | ||||||
| Effective temperature | [K] | 13445.0 | 16398.0 | 24301.0 (527) | ||||||
| log(g) | [cgs] | 5.94 | 6.47 | 5.00 (0.01) | ||||||
| Mass | [M☉] | 0.078 | 0.165 | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.30 (0.3) | 0.66 (0.4) | 0.30 (0.3) | ||||||
| Distance | [pc] | 3344.86 (3281) | 1510.87 (943) | 3344.48 (3280) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.912992141 (0.2) | -2.463077571 (0.6) | -0.913 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | -0.901367373 (0.2) | -1.009661462 (0.5) | -0.901 (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 | 19.48 (0.03) | 19.49 (0.03) | 19.48 (0.03) | |||||||
| g magnitude | 19.26 (0.01) | 19.28 (0.02) | 19.26 (0.01) | |||||||
| r magnitude | 19.63 (0.02) | 19.65 (0.02) | 19.63 (0.02) | |||||||
| i magnitude | 19.90 (0.03) | 19.92 (0.03) | 19.90 (0.03) | |||||||
| z magnitude | 20.26 (0.1) | 20.24 (0.1) | 20.26 (0.1) | |||||||
| G magnitude | 19.48 (0.03) | 19.52 | 19.48 (0.004) | |||||||
| BP magnitude | 19.44 (0.03) | 19.46 | ||||||||
| RP magnitude | 19.72 (0.06) | 19.66 | ||||||||
| Pan g magnitude | 19.35 (0.01) | |||||||||
| Pan r magnitude | 19.67 (0.01) | |||||||||
| Pan i magnitude | 19.94 (0.01) | |||||||||
| Pan z magnitude | 20.13 (0.06) | |||||||||
| Pan y magnitude | 20.07 (0.3) | |||||||||
| E(B-V) | 0.047 | |||||||||
* Constant surface field
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