All names: 2RE J0831-534, RE J0831-534, WD 0830-535, EUVE J0831-53.6, Gaia DR2 5321056462156468480, Gaia EDR3 5321056462156468480, 2MASS J08315191-5340324, GSC 08568-02947, 1RXS J083151.0-534029, RE J0831-53, RX J0831.7-5341, 2RE J083152-534033, 2EUVE J0831-53.6, USNO-B1.0 0363-00101534, TIC 90211642, Gaia DR3 5321056462156468480, WDJ083151.91-534032.52, RE J083150-534045
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 31 51.96 (0.03) | 08 31 51.96 (0.04) | 08 31 51.96 | 08 31 51.91 (0.03) | 08 31 51.96 | 08 31 51.14 | ||||
| Declination | -53 40 34.50 (0.03) | -53 40 34.44 (0.04) | -53 40 34.50 | -53 40 32.52 (0.03) | -53 40 34.44 | -53 40 32.16 | ||||
| Spectral type | DA | DA | DA1.6 | DA | ||||||
| Effective temperature | [K] | 31030.0 (443) | 30050.0 (20) | 35631.0 (871) | ||||||
| log(g) | [cgs] | 7.82 (0.04) | 7.76 (0.004) | 8.13 (0.02) | ||||||
| Mass | [M☉] | 0.56 (0.02) | 0.727 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| log(C/H) | ||||||||||
| log(N/H) | ||||||||||
| log(O/H) | ||||||||||
| log(Na/H) | ||||||||||
| log(Mg/H) | ||||||||||
| log(Al/H) | ||||||||||
| log(Si/H) | ||||||||||
| log(P/H) | ||||||||||
| log(S/H) | ||||||||||
| log(Sc/H) | ||||||||||
| log(Ti/H) | ||||||||||
| log(Cr/H) | ||||||||||
| log(Mn/H) | ||||||||||
| log(Fe/H) | ||||||||||
| log(Ni/H) | ||||||||||
| Parallax | [mas] | 11.83 (0.03) | 11.70 (0.04) | 11.83 | 11.83 (0.03) | 11.70 (0.04) | ||||
| Distance | [pc] | 84.52 (0.2) | 85.50 (0.3) | 93.00 | 84.52 | 84.52 (0.2) | 85.50 (0.3) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 27.0966856 (0.03) | 27.07413913 (0.08) | 27.097 (0.03) | 27.07413913 | |||||
| Proper motion (declination) | [mas/yr] | -123.9595917 (0.03) | -123.848597 (0.08) | -123.96 (0.03) | -123.848597 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 14.60 | |||||||||
| V magnitude | 14.46 | 14.50 | ||||||||
| R magnitude | 14.60 | |||||||||
| I magnitude | ||||||||||
| J magnitude | 15.16 (0.04) | |||||||||
| H magnitude | 15.34 (0.09) | |||||||||
| K magnitude | 15.39 (0.2) | |||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 14.45 (0.002) | 14.47 | 14.45 | 14.45 (0.003) | 14.47 | |||||
| BP magnitude | 14.31 (0.002) | 14.26 | 14.26 | |||||||
| RP magnitude | 14.74 (0.001) | 14.74 | 14.74 | |||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.002 | |||||||||
* 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.