SDSS J155914.09+210300.6
All names: SDSS J155914.09+210300.6, Gaia DR3 1204410637703972736, SDSSJ155914.09+210300.6, GALEX J155914.1+210300, Gaia DR2 1204410637703972736, Gaia EDR3 1204410637703972736, SDSS J155914.10+210300.6, SDSS J155914.10+210300.68
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 59 14.10 (0.1) | 15 59 14.10 | 15 59 14.09 | 15 59 14.10 (0.3) | 15 59 14.10 (0.1) | ||||||
| Declination | 21 03 00.64 (0.1) | 21 03 00.63 | 21 03 00.60 | 21 03 00.64 (0.2) | 21 03 00.61 (0.1) | ||||||
| Spectral type | sdOB | He-sdB | He-sdB | He-sdB | sdBHe | ||||||
| Effective temperature | [K] | 21460.0 | 25316.0 | 37032.0 (898) | |||||||
| log(g) | [cgs] | 5.93 | 6.10 | 5.40 (0.1) | |||||||
| Mass | [M☉] | 0.091 | 0.111 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.17 (0.2) | 0.53 (0.4) | 0.53 (0.4) | 0.17 (0.2) | ||||||
| Distance | [pc] | 5737.42 (7023) | 1902.95 (1268) | 1903.08 (1268) | 5737.23 (7021) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.791414662 (0.2) | -4.941 (0.4) | -4.941106146 (0.4) | -4.791 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | 1.558757407 (0.2) | 1.653 (0.4) | 1.652908001 (0.4) | 1.559 (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 | 18.47 (0.02) | 18.47 (0.02) | 18.47 (0.02) | 18.47 (0.02) | |||||||
| g magnitude | 18.74 (0.008) | 18.74 (0.008) | 18.74 (0.01) | 18.74 (0.008) | |||||||
| r magnitude | 19.21 (0.01) | 19.21 (0.01) | 19.20 (0.02) | 19.21 (0.01) | |||||||
| i magnitude | 19.53 (0.02) | 19.54 (0.02) | 19.53 (0.02) | 19.54 (0.02) | |||||||
| z magnitude | 19.76 (0.08) | 19.76 (0.08) | 19.76 (0.08) | 19.83 (0.08) | |||||||
| G magnitude | 18.98 (0.02) | 19.03 (0.003) | 19.03 | 18.98 (0.003) | |||||||
| BP magnitude | 18.86 (0.02) | 18.77 (0.02) | 18.77 | ||||||||
| RP magnitude | 19.32 (0.04) | 19.21 (0.04) | 19.21 | ||||||||
| Pan g magnitude | 18.81 (0.02) | 18.81 (0.02) | |||||||||
| Pan r magnitude | 19.19 (0.02) | 19.19 (0.02) | |||||||||
| Pan i magnitude | 19.55 (0.007) | 19.55 (0.007) | |||||||||
| Pan z magnitude | 19.81 (0.01) | 19.81 (0.01) | |||||||||
| Pan y magnitude | 19.93 (0.04) | 19.93 (0.04) | |||||||||
| E(B-V) | 0.059 | ||||||||||
* Constant surface field
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