SDSS J121437.44+105916.9
All names: Gaia DR2 3906559281570454400, GALEX J121437.4+105916, SDSS J121437.44+105916.91, Gaia EDR3 3906559281570454400, Gaia DR3 3906559281570454400, SDSSJ121437.44+105916.8, SDSS J121437.44+105916.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Geier 2020 | MWDD H | Gaia DR2 | Kepler et al. 2015 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 14 37.44 (0.3) | 12 14 37.44 | 12 14 37.44 | 12 14 37.44 | 12 14 37.44 (0.4) | 12 14 37.44 (0.3) | 12 14 37.45 | ||||
| Declination | 10 59 16.88 (0.2) | 10 59 16.96 | 10 59 16.96 | 10 59 16.80 | 10 59 16.88 (0.2) | 10 59 16.93 (0.2) | 10 59 16.96 | ||||
| Spectral type | sdB | B/sdB | B/sdB | B/sdB | SD_auto | ||||||
| Effective temperature | [K] | 28101.0 | 32415.0 (382) | 30380.0 (989) | |||||||
| log(g) | [cgs] | 7.10 | 5.58 (0.07) | 5.28 (0.2) | |||||||
| Mass | [M☉] | 0.325 | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0113 | |||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | -0.27 (0.3) | -0.75 (0.4) | -0.75 (0.4) | |||||||
| Distance | [pc] | ||||||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.277911029 (0.4) | -3.332 (0.8) | -3.332105427 (0.8) | -4.278 (0.4) | -2.9 | |||||
| Proper motion (declination) | [mas/yr] | -3.279698897 (0.2) | -3.79 (0.4) | -3.790384444 (0.4) | -3.28 (0.2) | -6.0 | |||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.77 (0.02) | 18.77 (0.02) | 18.77 (0.02) | 18.79 (0.02) | 18.77 (0.02) | 18.80 (0.02) | |||||
| g magnitude | 18.98 (0.009) | 18.98 (0.009) | 18.98 (0.009) | 19.00 (0.03) | 18.98 (0.009) | 18.99 (0.03) | |||||
| r magnitude | 19.42 (0.01) | 19.42 (0.01) | 19.42 (0.01) | 19.42 (0.02) | 19.42 (0.01) | 19.43 (0.02) | |||||
| i magnitude | 19.84 (0.03) | 19.84 (0.03) | 19.84 (0.03) | 19.84 (0.03) | 19.84 (0.03) | 19.84 (0.03) | |||||
| z magnitude | 20.19 (0.1) | 20.19 (0.1) | 20.19 (0.1) | 20.17 (0.1) | 20.10 (0.1) | 20.14 (0.1) | |||||
| G magnitude | 19.23 (0.03) | 19.27 (0.003) | 19.27 | 19.23 (0.004) | |||||||
| BP magnitude | 19.14 (0.03) | 19.12 (0.03) | 19.12 | ||||||||
| RP magnitude | 19.52 (0.06) | 19.44 (0.08) | 19.44 | ||||||||
| Pan g magnitude | 19.05 (0.009) | 19.05 (0.009) | |||||||||
| Pan r magnitude | 19.47 (0.008) | 19.47 (0.008) | |||||||||
| Pan i magnitude | 19.81 (0.01) | 19.81 (0.01) | |||||||||
| Pan z magnitude | 20.17 (0.03) | 20.18 (0.03) | |||||||||
| Pan y magnitude | 19.95 (0.2) | 19.95 (0.2) | |||||||||
| E(B-V) | |||||||||||
* Constant surface field
Special notes:
Spectra
Controls
Normalize at:
Normalize by mean flux
Range:
x:
to
y:
to
Spectra available:
Spectra without link are available upon request
Absorption lines
Photometric filters
BVRI
ugriz
Photometric fit
