All names: Ton 203, PG 1427+283, TIC 157904547, Gaia DR3 1280665965273152000, PB 3657, GALEX J142959.3+280333, Gaia DR2 1280665965273152000, SDSS J142959.24+280333.5, PG1427+283, 2MASS J14295926+2803336
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 29 59.21 | 14 29 59.24 (0.02) | ||
| Declination | 28 03 34.08 | 28 03 33.52 (0.04) | ||
| 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] | 0.32 (0.08) | 0.50 (0.05) | |
| Distance | [pc] | 3150.60 (759) | 1993.62 (216) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.629 (0.1) | 0.812 (0.05) | |
| Proper motion (declination) | [mas/yr] | -5.002 (0.1) | -5.065 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.00 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.85 (0.07) | 15.85 (0.07) | ||
| H magnitude | 15.62 (0.1) | 15.62 (0.1) | ||
| K magnitude | 15.52 (0.2) | 15.52 (0.2) | ||
| u magnitude | 15.13 (0.004) | 15.15 (0.01) | ||
| g magnitude | 15.33 (0.003) | 15.35 (0.02) | ||
| r magnitude | 15.77 (0.004) | 15.79 (0.01) | ||
| i magnitude | 16.09 (0.004) | 16.10 (0.01) | ||
| z magnitude | 16.33 (0.008) | 16.34 (0.02) | ||
| G magnitude | 15.59 (0.0006) | 15.58 (0.003) | ||
| BP magnitude | 15.41 (0.005) | |||
| RP magnitude | 15.78 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | 18.56 (0.1) | |||
| E(B-V) | 0.020 | |||
* 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.