All names: Balloon 92200006, Gaia DR2 1746205338867237632, 2MASS J21263231+1226533, UCAC4 513-137514, GALEX J212632.2+122654, UCAC2 36213626, Bal92200006, TIC 426883198, ZTF J212632.31+122653.5, Gaia DR3 1746205338867237632
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 26 32.50 | 21 26 32.32 (0.02) | ||
| Declination | 12 26 53.00 | 12 26 53.37 (0.02) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 30640.0 (220) | ||
| log(g) | [cgs] | 5.75 (0.04) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.04 (0.05) | 0.04 (0.03) | |
| Distance | [pc] | 26809.65 (33422) | 25706.94 (17050) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.022 (0.07) | 0.063 (0.03) | |
| Proper motion (declination) | [mas/yr] | -1.974 (0.07) | -1.987 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.12 (0.01) | |||
| V magnitude | 14.20 (0.04) | |||
| R magnitude | 14.41 (0.2) | |||
| I magnitude | ||||
| J magnitude | 14.47 (0.04) | 14.47 (0.04) | ||
| H magnitude | 14.40 (0.07) | 14.40 (0.07) | ||
| K magnitude | 14.46 (0.06) | 14.46 (0.06) | ||
| u magnitude | ||||
| g magnitude | 14.06 (0.05) | |||
| r magnitude | 14.48 (0.2) | |||
| i magnitude | 14.73 (0.1) | |||
| z magnitude | ||||
| G magnitude | 14.17 (0.0009) | 14.15 (0.003) | ||
| BP magnitude | 14.07 (0.006) | |||
| RP magnitude | 14.27 (0.003) | |||
| Pan g magnitude | 14.04 (0.006) | |||
| Pan r magnitude | 14.34 (0.002) | |||
| Pan i magnitude | 14.62 (0.004) | |||
| Pan z magnitude | 14.81 (0.005) | |||
| Pan y magnitude | 14.93 (0.006) | |||
| E(B-V) | 0.059 | |||
* 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.