All names: WISE J103941.56-032535.1, 2MASS J10394153-0325345, Gaia DR3 3778305545157841152, SDSS J103941.53-032534.2, WDJ103941.53-032534.22, WISEA J103941.54-032535.0, SDSS J103941.52-032534.2, Gaia EDR3 3778305545157841152, DENIS J103941.5-032534, J1039-0325, TIC 62846288, Gaia DR2 3778305545157841152, DENIS J103941.5-032533, WDJ103941.53-032534.21
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 39 41.50 (0.06) | 10 39 41.50 | 10 39 41.50 | 10 39 41.53 (0.06) | 10 39 41.50 | |||||
| Declination | -03 25 34.53 (0.07) | -03 25 34.52 | -03 25 34.53 | -03 25 34.21 (0.07) | -03 25 34.52 | |||||
| Spectral type | DAH? | DC | DB | DC | ||||||
| Effective temperature | [K] | 19792.0 (235) | 15335.0 (174) | 15878.0 (566) | ||||||
| log(g) | [cgs] | 8.68 (0.01) | 8.49 (0.01) | 8.55 (0.04) | ||||||
| Mass | [M☉] | 1.043 (0.007) | 0.903 (0.01) | 0.941 (0.03) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | -5 | |||||||||
| 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] | 12.37 (0.07) | 12.32 (0.1) | 12.37 | 12.37 (0.07) | 12.32 (0.1) | ||||
| Distance | [pc] | 80.83 (0.5) | 81.20 (0.7) | 80.83 | 80.83 (0.5) | 81.20 (0.7) | ||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -20.85574193 (0.07) | -20.9317473 (0.1) | -20.856 (0.07) | -20.9317473 | |||||
| Proper motion (declination) | [mas/yr] | -19.61430198 (0.09) | -19.53066933 (0.1) | -19.614 (0.09) | -19.53066933 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | 16.61 (0.07) | |||||||||
| J magnitude | 16.91 (0.2) | |||||||||
| H magnitude | 16.59 (0.2) | |||||||||
| K magnitude | ||||||||||
| u magnitude | 16.25 (0.005) | 16.25 (0.005) | ||||||||
| g magnitude | 16.41 (0.003) | 16.41 (0.003) | ||||||||
| r magnitude | 16.64 (0.004) | 16.64 (0.004) | ||||||||
| i magnitude | 16.92 (0.005) | 16.92 (0.005) | ||||||||
| z magnitude | 17.16 (0.01) | 17.16 (0.01) | ||||||||
| G magnitude | 16.54 (0.008) | 16.57 | 16.54 | 16.54 (0.003) | 16.57 | |||||
| BP magnitude | 16.49 (0.008) | 16.47 | 16.47 | |||||||
| RP magnitude | 16.66 (0.01) | 16.64 | 16.64 | |||||||
| Pan g magnitude | 16.46 (0.003) | |||||||||
| Pan r magnitude | 16.71 (0.005) | |||||||||
| Pan i magnitude | 16.97 (0.004) | |||||||||
| Pan z magnitude | 17.21 (0.005) | |||||||||
| Pan y magnitude | 17.31 (0.01) | |||||||||
| E(B-V) | 0.003 | |||||||||
* 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.