All names: DENIS J144208.7-224008, Gaia DR2 6278665291041382656, Gaia DR3 6278665291041382656, UCAC4 337-071065, TIC 349367583, WISE J144208.76-224009.1, 2MASS J14420876-2240090, GALEXJ14421-2240, GALEX J144208.8-224008, WISEA J144208.76-224009.2, UCAC2 22712526
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 14 42 08.88 | 14 42 08.78 (0.02) | ||
| Declination | -22 40 08.32 | -22 40 09.11 (0.02) | ||
| Spectral type | sdB+MS | 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] | 1.16 (0.04) | 1.17 (0.02) | |
| Distance | [pc] | 865.05 (28) | 855.65 (17) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -16.517 (0.07) | -16.99 (0.02) | |
| Proper motion (declination) | [mas/yr] | -17.086 (0.06) | -16.934 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.37 (0.01) | |||
| V magnitude | 13.19 (0.02) | |||
| R magnitude | 13.35 (0.1) | |||
| I magnitude | 12.75 (0.02) | |||
| J magnitude | 12.40 (0.02) | 12.40 (0.02) | ||
| H magnitude | 12.16 (0.03) | 12.16 (0.03) | ||
| K magnitude | 12.12 (0.03) | 12.12 (0.03) | ||
| u magnitude | ||||
| g magnitude | 13.22 (0.03) | |||
| r magnitude | 13.16 (0.03) | |||
| i magnitude | 13.24 (0.1) | |||
| z magnitude | ||||
| G magnitude | 13.05 (0.0007) | 13.04 (0.003) | ||
| BP magnitude | 13.16 (0.004) | |||
| RP magnitude | 12.79 (0.001) | |||
| Pan g magnitude | 13.40 | |||
| Pan r magnitude | 13.19 | |||
| Pan i magnitude | 13.15 | |||
| Pan z magnitude | 13.19 (0.003) | |||
| Pan y magnitude | 13.20 (0.003) | |||
| E(B-V) | 0.074 | |||
* 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.