All names: Gaia DR2 6296715458038020224, EC14179-1701, SDSS J142042.34-171511.3, 2MASS J14204232-1715112, TIC 347909704, EC 14179-1701, GALEX J142042.3-171511, Gaia DR3 6296715458038020224, UCAC4 364-064985
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 20 42.34 | 14 20 42.35 (0.05) | ||
| Declination | -17 15 11.64 | -17 15 11.30 (0.06) | ||
| 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] | 0.41 (0.08) | 0.41 (0.06) | |
| Distance | [pc] | 2444.99 (502) | 2467.92 (379) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.885 (0.1) | -2.881 (0.07) | |
| Proper motion (declination) | [mas/yr] | 0.111 (0.1) | -0.036 (0.07) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.17 | |||
| V magnitude | 16.25 | |||
| R magnitude | 16.18 | |||
| I magnitude | ||||
| J magnitude | 16.39 (0.1) | 16.39 (0.1) | ||
| H magnitude | 16.23 (0.2) | 16.23 (0.2) | ||
| K magnitude | 16.13 | |||
| u magnitude | 16.57 (0.008) | 16.44 (0.02) | ||
| g magnitude | 16.18 (0.003) | 16.16 (0.02) | ||
| r magnitude | 16.43 (0.004) | 16.42 (0.02) | ||
| i magnitude | 16.62 (0.005) | 16.62 (0.02) | ||
| z magnitude | 16.77 (0.01) | 16.75 (0.02) | ||
| G magnitude | 16.24 (0.002) | 16.21 (0.003) | ||
| BP magnitude | 16.17 (0.005) | |||
| RP magnitude | 16.28 (0.006) | |||
| Pan g magnitude | 16.14 (0.001) | |||
| Pan r magnitude | 16.37 (0.003) | |||
| Pan i magnitude | 16.61 (0.003) | |||
| Pan z magnitude | 16.81 (0.005) | |||
| Pan y magnitude | 16.90 (0.006) | |||
| E(B-V) | 0.068 | |||
* 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.