All names: WISE J114457.23-035652.6, 2MASS J11445723-0356533, LAMOST J114457.23-035653.1, LAMOST J114457.24-035653.2, DENIS J114457.2-035652, Gaia DR3 3600365496761173504, PG 1142-037, Gaia DR2 3600365496761173504, GALEX J114457.2-035653, PG1142-037, TIC 82049981, UCAC4 431-055306, EPIC 201206621
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 11 44 57.25 | 11 44 57.24 (0.05) | ||
| Declination | -03 56 52.91 | -03 56 53.28 (0.04) | ||
| Spectral type | sdB | sdBO | ||
| Effective temperature | [K] | 31170.0 (251) | ||
| log(g) | [cgs] | 5.85 (0.05) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.21 (0.09) | 0.39 (0.06) | |
| Distance | [pc] | 4675.08 (2006) | 2537.43 (390) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.528 (0.2) | -4.486 (0.08) | |
| Proper motion (declination) | [mas/yr] | -1.17 (0.09) | -1.278 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.73 (0.06) | |||
| V magnitude | 15.90 (0.09) | |||
| R magnitude | ||||
| I magnitude | 16.68 (0.09) | |||
| J magnitude | 16.44 (0.1) | 16.44 (0.1) | ||
| H magnitude | 16.53 (0.2) | 16.53 (0.2) | ||
| K magnitude | 15.31 | |||
| u magnitude | ||||
| g magnitude | 15.70 (0.05) | |||
| r magnitude | 16.13 (0.07) | |||
| i magnitude | 16.32 (0.08) | |||
| z magnitude | ||||
| G magnitude | 15.88 (0.002) | 15.86 (0.003) | ||
| BP magnitude | 15.69 (0.007) | |||
| RP magnitude | 16.13 (0.004) | |||
| Pan g magnitude | 15.69 (0.003) | |||
| Pan r magnitude | 16.09 (0.005) | |||
| Pan i magnitude | 16.44 (0.005) | |||
| Pan z magnitude | 16.72 (0.004) | |||
| Pan y magnitude | 16.90 (0.009) | |||
| E(B-V) | 0.023 | |||
* 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.