SDSS J172037.66+534009.3
All names: Gaia DR3 1419257619248380160, SDSS J172037.66+534009.3, SDSS J172037.65+534009.3, Gaia EDR3 1419257619248380160, Gaia DR2 1419257619248380160, GALEX J172037.6+534008
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD HE | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 20 37.66 (0.1) | 17 20 37.66 | 17 20 37.66 (0.2) | 17 20 37.67 (0.1) | 17 20 37.66 | ||||
| Declination | 53 40 09.32 (0.1) | 53 40 09.32 | 53 40 09.32 (0.2) | 53 40 09.31 (0.1) | 53 40 09.38 | ||||
| Spectral type | sdB | DA | SDB | ||||||
| Effective temperature | [K] | 29278.0 | 28426.0 (545) | ||||||
| log(g) | [cgs] | 5.43 | 5.26 (0.1) | ||||||
| Mass | [M☉] | 0.067 | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.23 (0.1) | 0.38 (0.2) | 0.23 (0.1) | |||||
| Distance | [pc] | 4301.28 (2096) | 2612.85 (1105) | 4301.08 (2096) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -5.449278068 (0.2) | -5.345247687 (0.4) | -5.449 (0.2) | -2.2 | ||||
| Proper motion (declination) | [mas/yr] | 0.554233295 (0.1) | 0.724342371 (0.4) | 0.554 (0.1) | 0.3 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 17.83 (0.01) | 17.82 (0.01) | 17.86 (0.02) | ||||||
| g magnitude | 17.99 (0.006) | 17.99 (0.006) | 18.01 (0.02) | ||||||
| r magnitude | 18.49 (0.008) | 18.49 (0.008) | 18.52 (0.02) | ||||||
| i magnitude | 18.82 (0.01) | 18.82 (0.01) | 18.82 (0.02) | ||||||
| z magnitude | 19.10 (0.05) | 19.13 (0.05) | 19.12 (0.05) | ||||||
| G magnitude | 18.27 (0.01) | 18.31 | 18.27 (0.003) | ||||||
| BP magnitude | 18.13 (0.01) | 18.07 | |||||||
| RP magnitude | 18.52 (0.03) | 18.55 | |||||||
| Pan g magnitude | 18.12 (0.008) | ||||||||
| Pan r magnitude | 18.52 (0.009) | ||||||||
| Pan i magnitude | 18.86 (0.008) | ||||||||
| Pan z magnitude | 19.13 (0.02) | ||||||||
| Pan y magnitude | 19.36 (0.07) | ||||||||
| E(B-V) | 0.028 | ||||||||
* Constant surface field
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