All names: WISEA J143139.46-124853.6, Gaia EDR3 6324211185831846400, TIC 297207863, Gaia DR2 6324211185831846400, WD 1428-125, WISE J143139.46-124853.7, UCAC4 386-064707, 2MASS J14313950-1248530, EC 14289-1235, HE 1428-1235, WD1428-125, Gaia DR3 6324211185831846400
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Voss et al. 2007 | Koester et al. 2001 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 31 39.45 (0.04) | 14 31 39.45 (0.07) | 14 31 39.60 | 14 31 39.45 | 14 31 39.49 (0.04) | 14 31 38.95 | |||
| Declination | -12 48 53.65 (0.03) | -12 48 53.63 (0.06) | -12 48 56.00 | -12 48 53.65 | -12 48 53.15 (0.03) | -12 48 50.40 | |||
| Spectral type | DB | DB | DB | DB | |||||
| Effective temperature | [K] | 21586.0 | 20452.0 (194) | 18890.0 (492) | |||||
| log(g) | [cgs] | 8.17 | 8.39 (0.03) | 8.03 (0.02) | |||||
| Mass | [M☉] | 0.701 | 0.613 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 9.55 (0.04) | 9.53 (0.08) | 9.55 | 9.55 (0.04) | ||||
| Distance | [pc] | 104.76 (0.5) | 104.91 (0.8) | 104.76 | 104.76 (0.5) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -41.65707171 (0.05) | -42.00939601 (0.1) | -41.657 (0.05) | |||||
| Proper motion (declination) | [mas/yr] | -30.74821293 (0.04) | -30.70458593 (0.1) | -30.748 (0.04) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.93 (0.06) | ||||||||
| V magnitude | 15.98 | 15.98 | 15.87 (0.02) | ||||||
| R magnitude | 16.37 | ||||||||
| I magnitude | |||||||||
| J magnitude | 16.38 (0.1) | ||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | 15.78 (0.01) | ||||||||
| r magnitude | 16.15 (0.06) | ||||||||
| i magnitude | 16.41 (0.01) | ||||||||
| z magnitude | |||||||||
| G magnitude | 15.90 (0.002) | 15.92 | 15.90 | 15.90 (0.003) | |||||
| BP magnitude | 15.82 (0.002) | 15.79 | |||||||
| RP magnitude | 16.05 (0.004) | 16.06 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.026 | ||||||||
* 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.