All names: DENIS J114457.2-035652, WISE J114457.23-035652.6, LAMOST J114457.23-035653.1, GALEX J114457.2-035653, EPIC 201206621, PG 1142-037, UCAC4 431-055306, TIC 82049981, Gaia DR3 3600365496761173504, PG1142-037, Gaia DR2 3600365496761173504, LAMOST J114457.24-035653.2, 2MASS J11445723-0356533
| 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.