SDSS J221150.49+222139.6
All names: SDSS J221150.49+222139.60, SDSS J221150.48+222139.6, Gaia EDR3 1782182385825578496, SDSS J221150.49+222139.6, SDSS J221150.48+222139.5, SDSS J221150.48+222139.4, Gaia DR2 1782182385825578496, Gaia DR3 1782182385825578496
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Genest-Beaulieu & Bergeron 2019 (photometric) | MWDD HE | Gaia DR2 | Stilism | Koester & Kepler 2015 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 11 50.48 (0.3) | 22 11 50.49 | 22 11 50.48 (0.4) | 22 11 50.49 (0.3) | 22 11 50.49 | ||||||||
| Declination | 22 21 39.37 (0.3) | 22 21 39.60 | 22 21 39.38 (0.4) | 22 21 39.67 (0.3) | 22 21 39.59 | ||||||||
| Spectral type | DBH: | DBH | DBH: | DB+MS | |||||||||
| Effective temperature | [K] | 16079.0 | 15328.0 | 13566.0 | 16763.0 (123) | 16617.0 (137) | |||||||
| log(g) | [cgs] | 8.02 | 8.15 | 8.02 | 8.03 (0.07) | 8.20 (0.08) | |||||||
| Mass | [M☉] | 0.604 | 0.68 | 0.601 | |||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.2801 | |||||||||||
| log(H/He) | -5.507 | <-5.01 | |||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | <-6.3 | ||||||||||||
| log(Ca/H) | |||||||||||||
| log(N/He) | |||||||||||||
| log(O/He) | |||||||||||||
| log(Na/He) | |||||||||||||
| log(Mg/He) | |||||||||||||
| log(Al/He) | |||||||||||||
| log(Si/He) | |||||||||||||
| log(P/He) | |||||||||||||
| log(S/He) | |||||||||||||
| log(Cl/He) | |||||||||||||
| log(Sc/He) | |||||||||||||
| log(Ti/He) | |||||||||||||
| log(V/He) | |||||||||||||
| log(Cr/He) | |||||||||||||
| log(Mn/He) | |||||||||||||
| log(Fe/He) | |||||||||||||
| log(Co/He) | |||||||||||||
| log(Ni/He) | |||||||||||||
| log(Cu/He) | |||||||||||||
| log(Zn/He) | |||||||||||||
| log(Ga/He) | |||||||||||||
| log(Ge/He) | |||||||||||||
| log(Sr/He) | |||||||||||||
| Parallax | [mas] | 3.15 (0.3) | 3.21 (0.4) | 3.15 (0.3) | |||||||||
| Distance | [pc] | 317.16 (31) | 311.04 (43) | 363.00 | 317.16 (31) | ||||||||
| Composition | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -12.954789 (0.3) | -13.70433467 (1) | -12.955 (0.3) | |||||||||
| Proper motion (declination) | [mas/yr] | -18.65548588 (0.3) | -18.52803766 (0.7) | -18.655 (0.3) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | ||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 18.79 (0.02) | 18.79 (0.02) | 18.79 (0.02) | ||||||||||
| g magnitude | 18.84 (0.008) | 18.84 (0.008) | 18.86 (0.01) | ||||||||||
| r magnitude | 19.12 (0.01) | 19.12 (0.01) | 19.14 (0.02) | ||||||||||
| i magnitude | 19.33 (0.02) | 19.33 (0.02) | 19.33 (0.02) | ||||||||||
| z magnitude | 19.56 (0.07) | 19.56 (0.07) | 19.58 (0.07) | ||||||||||
| G magnitude | 18.98 (0.03) | 19.03 | 18.98 (0.005) | ||||||||||
| BP magnitude | 18.98 (0.03) | 18.91 | |||||||||||
| RP magnitude | 19.01 (0.07) | 19.13 | |||||||||||
| Pan g magnitude | 18.90 (0.01) | ||||||||||||
| Pan r magnitude | 19.17 (0.007) | ||||||||||||
| Pan i magnitude | 19.37 (0.009) | ||||||||||||
| Pan z magnitude | 19.59 (0.03) | ||||||||||||
| Pan y magnitude | 19.70 (0.04) | ||||||||||||
| E(B-V) | 0.040 | ||||||||||||
* 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
