All names: WDJ083759.16-501745.76, WDJ083759.16-501745.75, 2MASS J08375919-5017460, TIC 93113533, 083759.16-501745.76, UCAC4 199-021103, UPM J0837-5017, WISE J083758.86-501743.7, Gaia EDR3 5322090003089341440, Gaia DR3 5322090003089341440, LEP0837-5017, Gaia DR2 5322090003089341440
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | O'Brien et al. 2022 | Subasavage et al. 2022 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 37 58.72 (0.02) | 08 37 58.73 | 08 37 58.72 | 08 37 59.16 (0.02) | 08 37 58.73 | |||||
| Declination | -50 17 43.00 (0.02) | -50 17 43.09 | -50 17 43.00 | -50 17 45.76 (0.02) | -50 17 43.09 | |||||
| Spectral type | DA | DA | DA | DA | DA | |||||
| Effective temperature | [K] | 12485.0 (155) | 12490.0 (160) | 11946.0 (480) | 12276.0 (73) | |||||
| log(g) | [cgs] | 8.31 (0.01) | 8.31 (0.01) | 8.28 (0.03) | 8.30 (0.005) | |||||
| Mass | [M☉] | 0.802 (0.009) | 0.78 (0.03) | 0.791 (0.004) | ||||||
| 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] | 31.52 (0.02) | 31.52 (0.02) | 31.52 (0.02) | 31.53 (0.03) | 31.53 (0.03) | 31.52 | 31.52 (0.02) | 31.53 (0.03) | |
| Distance | [pc] | 31.72 (0.02) | 31.73 (0.02) | 31.73 (0.02) | 31.71 (0.04) | 31.71 (0.03) | 31.72 | 31.72 (0.02) | 31.71 (0.03) | |
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -266.3309398 (0.02) | -266.3045933 (0.06) | -266.331 (0.02) | -266.3045933 | |||||
| Proper motion (declination) | [mas/yr] | 172.3729413 (0.02) | 172.3254021 (0.07) | 172.373 (0.02) | 172.3254021 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 14.74 | 14.67 (0.05) | ||||||||
| V magnitude | 14.58 | 14.56 (0.04) | ||||||||
| R magnitude | 14.62 | 14.76 (0.2) | ||||||||
| I magnitude | 14.60 | |||||||||
| J magnitude | 14.77 | 14.77 (0.03) | ||||||||
| H magnitude | 14.86 | 14.86 (0.07) | ||||||||
| K magnitude | 14.80 | 14.80 (0.1) | ||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 14.60 (0.0009) | 14.61 | 14.60 | 14.60 (0.003) | 14.61 | |||||
| BP magnitude | 14.59 (0.0009) | 14.59 | 14.59 | |||||||
| RP magnitude | 14.62 (0.001) | 14.63 | 14.63 | |||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.000 | |||||||||
* 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.