All names: LB 362, 2MASS J21172712-1353597, Gaia DR2 6884791966573311360, Gaia EDR3 6884791966573311360, GALEXJ21174-1353, TIC 288141264, GALEX J211727.0-135358, UCAC4 381-166174, UCAC2 27011644, Gaia DR3 6884791966573311360, EC 21147-1406
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 17 27.13 (0.03) | 21 17 27.07 | 21 17 27.12 (0.03) | ||
| Declination | -13 54 00.01 (0.03) | -13 53 58.44 | -13 53 59.78 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | ||||
| log(g) | [cgs] | ||||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.78 (0.04) | 0.78 (0.06) | 0.78 (0.04) | |
| Distance | [pc] | 1277.63 (65) | 1285.68 (92) | 1277.63 (65) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 9.201 (0.04) | 9.426 (0.09) | 9.201 (0.04) | |
| Proper motion (declination) | [mas/yr] | -14.33 (0.04) | -14.417 (0.07) | -14.33 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.86 (0.06) | ||||
| V magnitude | 15.04 (0.01) | ||||
| R magnitude | 15.34 (0.09) | ||||
| I magnitude | |||||
| J magnitude | 15.64 (0.06) | 15.64 (0.06) | |||
| H magnitude | 15.75 (0.2) | 15.75 (0.2) | |||
| K magnitude | 15.65 | ||||
| u magnitude | 14.55 (0.004) | ||||
| g magnitude | 14.76 (0.003) | 14.85 (0.02) | |||
| r magnitude | 15.23 (0.003) | 15.25 (0.05) | |||
| i magnitude | 15.58 (0.004) | ||||
| z magnitude | 15.86 (0.007) | ||||
| G magnitude | 15.02 (0.003) | 15.04 (0.0008) | 15.02 (0.003) | ||
| BP magnitude | 14.88 (0.003) | 14.83 (0.006) | |||
| RP magnitude | 15.28 (0.005) | 15.27 (0.005) | |||
| Pan g magnitude | 14.87 (0.003) | ||||
| Pan r magnitude | 15.27 (0.003) | ||||
| Pan i magnitude | 15.62 (0.002) | ||||
| Pan z magnitude | 15.89 (0.002) | ||||
| Pan y magnitude | 16.07 (0.005) | ||||
| E(B-V) | 0.034 | ||||
* 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.