All names: UCAC4 557-049655, SDSS J112629.98+212144.8, SDSS J112629.99+212144.6, Gaia DR2 3978847841769970816, 2MASS J11263000+2121450, LAMOSTJ112629.99+212144.7, GALEX J112630.0+212146, LAMOST J112629.99+212144.7, Gaia DR3 3978847841769970816
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 11 26 30.00 | 11 26 29.99 (0.04) | ||
| Declination | 21 21 44.70 | 21 21 44.86 (0.04) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 22068.0 (206) | ||
| log(g) | [cgs] | 4.97 (0.01) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.25 (0.09) | 0.27 (0.05) | |
| Distance | [pc] | 4011.23 (1464) | 3700.96 (629) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.295 (0.1) | -5.595 (0.05) | |
| Proper motion (declination) | [mas/yr] | -21.14 (0.1) | -20.978 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.40 (0.2) | |||
| V magnitude | 15.74 (0.09) | |||
| R magnitude | 15.83 (0.2) | |||
| I magnitude | ||||
| J magnitude | 16.27 (0.1) | 16.27 (0.1) | ||
| H magnitude | 15.99 (0.2) | 15.99 (0.2) | ||
| K magnitude | 16.11 | |||
| u magnitude | 15.56 (0.005) | 15.56 (0.005) | ||
| g magnitude | 15.44 (0.003) | 15.43 (0.003) | ||
| r magnitude | 15.91 (0.004) | 15.91 (0.004) | ||
| i magnitude | 16.22 (0.005) | 16.22 (0.005) | ||
| z magnitude | 16.52 (0.008) | 16.52 (0.008) | ||
| G magnitude | 15.73 (0.001) | 15.72 (0.003) | ||
| BP magnitude | 15.58 (0.008) | |||
| RP magnitude | 15.90 (0.01) | |||
| Pan g magnitude | 15.55 (0.005) | |||
| Pan r magnitude | 15.92 (0.002) | |||
| Pan i magnitude | 16.25 (0.002) | |||
| Pan z magnitude | 16.49 (0.005) | |||
| Pan y magnitude | 16.66 (0.01) | |||
| E(B-V) | 0.016 | |||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.