All names: Gaia DR3 2986577153625081344, 2MASS J05081888-1450228, LHS 1737, PSO J077.0797-14.8419, TIC 169416733, Gaia DR2 2986577153625081344, NLTT 14553, WDJ050818.91-145023.81, Gaia EDR3 2986577153625081344, J0508-1450, LP 717-1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | Blouin & Dufour 2019 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 05 08 19.16 (0.04) | 05 08 19.15 (0.06) | 05 08 19.16 | 05 08 18.91 (0.04) | 05 08 19.15 | |||||||||
| Declination | -14 50 31.73 (0.04) | -14 50 31.49 (0.07) | -14 50 31.73 | -14 50 23.81 (0.04) | -14 50 31.49 | |||||||||
| Spectral type | DQ | DQ | DQpec | DQ | DA | DQ8? | ||||||||
| Effective temperature | [K] | 5412.0 (38) | 5458.0 (11) | 5375.0 (20) | 5375.0 (20) | 5508.0 | 5236.0 | 5643.0 (25) | ||||||
| log(g) | [cgs] | 7.92 (0.03) | 7.94 (0.008) | 7.91 (0.01) | 7.91 (0.01) | 7.99 | 7.81 | 8.07 (0.01) | ||||||
| Mass | [M☉] | 0.525 (0.02) | 0.536 (0.007) | 0.514 (0.008) | 0.514 (0.008) | 0.581 | 0.46 | 0.63 (0.009) | ||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 3.7700 | 3.5950 (0.1) | 3.0930 | 3.3700 | |||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | -7.18 | -7.4 (0.06) | -7.41 | |||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(N/He) | ||||||||||||||
| log(O/He) | ||||||||||||||
| log(Na/He) | ||||||||||||||
| log(Mg/He) | ||||||||||||||
| log(Al/He) | ||||||||||||||
| log(Si/He) | ||||||||||||||
| log(P/He) | ||||||||||||||
| log(S/He) | ||||||||||||||
| log(Cl/He) | ||||||||||||||
| log(Sc/He) | ||||||||||||||
| log(Ti/He) | ||||||||||||||
| log(V/He) | ||||||||||||||
| log(Cr/He) | ||||||||||||||
| log(Mn/He) | ||||||||||||||
| log(Fe/He) | ||||||||||||||
| log(Co/He) | ||||||||||||||
| log(Ni/He) | ||||||||||||||
| log(Cu/He) | ||||||||||||||
| log(Zn/He) | ||||||||||||||
| log(Ga/He) | ||||||||||||||
| log(Ge/He) | ||||||||||||||
| log(Sr/He) | ||||||||||||||
| Parallax | [mas] | 28.86 (0.06) | 28.86 (0.06) | 28.83 (0.08) | 28.83 (0.08) | 28.83 (0.08) | 28.83 (0.08) | 28.86 | 28.86 (0.06) | 28.83 (0.08) | ||||
| Distance | [pc] | 34.65 (0.08) | 34.65 (0.07) | 34.69 (0.1) | 34.69 (0.1) | 34.68 (0.1) | 34.68 (0.1) | 34.65 | 34.65 (0.08) | 34.68 (0.1) | ||||
| Composition | He | He | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 222.9221682 (0.06) | 222.866 (0.1) | 222.922 (0.06) | 222.8664522 | |||||||||
| Proper motion (declination) | [mas/yr] | -495.3685149 (0.06) | -495.272 (0.1) | -495.369 (0.06) | -495.2715801 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 16.90 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.23 (0.01) | 16.20 (0.1) | 16.20 (0.1) | |||||||||||
| H magnitude | 16.11 (0.2) | 16.11 (0.2) | 16.11 (0.2) | |||||||||||
| K magnitude | 16.48 (0.06) | |||||||||||||
| u magnitude | ||||||||||||||
| g magnitude | 17.55 (0.004) | |||||||||||||
| r magnitude | 17.04 (0.005) | |||||||||||||
| i magnitude | 16.88 (0.003) | |||||||||||||
| z magnitude | 16.86 (0.004) | |||||||||||||
| G magnitude | 17.08 (0.005) | 17.10 | 17.08 | 17.08 (0.003) | 17.10 | |||||||||
| BP magnitude | 17.46 (0.005) | 17.45 | 17.45 | |||||||||||
| RP magnitude | 16.56 (0.004) | 16.56 | 16.56 | |||||||||||
| Pan g magnitude | 17.52 (0.002) | 17.52 (0.002) | 17.55 | 17.55 (0.004) | ||||||||||
| Pan r magnitude | 17.05 (0.03) | 17.05 (0.03) | 17.04 | 17.04 (0.005) | ||||||||||
| Pan i magnitude | 16.88 (0.008) | 16.88 (0.008) | 16.88 | 16.88 (0.003) | ||||||||||
| Pan z magnitude | 16.85 (0.005) | 16.85 (0.005) | 16.86 | 16.86 (0.004) | ||||||||||
| Pan y magnitude | 16.83 (0.03) | 16.83 (0.03) | 16.83 | 16.83 (0.04) | ||||||||||
| 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.