SDSS J221115.45+205742.1
All names: SDSS J221115.45+205742.1, GALEX J221115.5+205741, Gaia EDR3 1781429323438872320, Gaia DR3 1781429323438872320, SDSS J221115.45+205742.12, Gaia DR2 1781429323438872320, SDSS J221115.44+205742.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 11 15.48 (0.5) | 22 11 15.45 | 22 11 15.48 (0.8) | 22 11 15.44 (0.5) | |||||||
| Declination | 20 57 42.11 (0.4) | 20 57 42.12 | 20 57 42.12 (0.6) | 20 57 42.14 (0.4) | |||||||
| Spectral type | DC: | DC: | DC: | DC | DA | ||||||
| Effective temperature | [K] | 7500.0 | 7264.0 | 10383.0 (544) | |||||||
| log(g) | [cgs] | 8.23 | 8.14 | 6.82 (0.5) | |||||||
| Mass | [M☉] | 0.737 | 0.663 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.8820 | 1.7870 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 5.81 (0.7) | 5.62 (1) | 5.81 (0.7) | |||||||
| Distance | [pc] | 172.23 (20) | 177.91 (31) | 172.23 (20) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 36.38413555 (0.5) | 36.34173998 (1) | 36.384 (0.5) | |||||||
| Proper motion (declination) | [mas/yr] | -1.572518799 (0.5) | -0.344539265 (1) | -1.573 (0.5) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.36 (0.05) | 20.36 (0.05) | 20.36 (0.05) | ||||||||
| g magnitude | 19.90 (0.01) | 19.90 (0.01) | 19.90 (0.01) | ||||||||
| r magnitude | 19.74 (0.02) | 19.74 (0.02) | 19.74 (0.02) | ||||||||
| i magnitude | 19.77 (0.02) | 19.77 (0.02) | 19.77 (0.03) | ||||||||
| z magnitude | 19.65 (0.08) | 19.65 (0.08) | 19.66 (0.08) | ||||||||
| G magnitude | 19.75 (0.1) | 19.79 | 19.75 (0.006) | ||||||||
| BP magnitude | 19.95 (0.1) | 19.92 | |||||||||
| RP magnitude | 19.49 (0.08) | 19.51 | |||||||||
| Pan g magnitude | 19.91 (0.01) | ||||||||||
| Pan r magnitude | 19.78 (0.01) | ||||||||||
| Pan i magnitude | 19.81 (0.01) | ||||||||||
| Pan z magnitude | 19.90 (0.02) | ||||||||||
| Pan y magnitude | 19.81 (0.04) | ||||||||||
| E(B-V) | 0.021 | ||||||||||
* 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
