All names: WD 1338+027, Gaia DR3 3713218786120541824, J1341+0227, Gaia EDR3 3713218786120541824, Gaia DR2 3713218786120541824, 2MASS J13411867+0227370, TIC 376917738, SDSS J134118.68+022736.9, WDJ134118.69+022737.01, PSO J205.3279+02.4597, GALEX J134118.7+022735
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Blouin & Dufour 2019 | Blouin et al. 2019 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 41 18.71 (0.07) | 13 41 18.71 (0.1) | 13 41 18.71 | 13 41 18.69 (0.07) | 13 41 18.71 | 13 41 18.48 | ||||||
| Declination | 02 27 34.89 (0.06) | 02 27 34.95 (0.08) | 02 27 34.89 | 02 27 37.01 (0.06) | 02 27 34.95 | 02 27 33.84 | ||||||
| Spectral type | DQ | DQpec | DQ | DQ | DQ | DQ | ||||||
| Effective temperature | [K] | 5843.0 (9) | 5785.0 (20) | 5785.0 (20) | 6194.0 (17) | |||||||
| log(g) | [cgs] | 8.11 (0.007) | 8.10 (0.01) | 8.10 (0.01) | 8.26 (0.007) | |||||||
| Mass | [M☉] | 0.64 (0.006) | 0.632 (0.008) | 0.632 (0.008) | 0.741 (0.006) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 3.9200 | 3.8840 (0.1) | |||||||||
| log(H/He) | ||||||||||||
| log(C/He) | -5.97 | -6.0 (0.04) | -5.99 | |||||||||
| 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] | 24.96 (0.09) | 24.88 (0.1) | 24.88 (0.1) | 24.88 (0.1) | 24.88 (0.1) | 24.96 | 24.96 (0.09) | 24.88 (0.1) | |||
| Distance | [pc] | 40.06 (0.1) | 40.19 (0.2) | 40.20 (0.2) | 40.20 (0.2) | 40.20 (0.2) | 40.06 | 40.06 (0.1) | 40.20 (0.2) | |||
| Composition | He | He | He | |||||||||
| Proper motion (right ascension) | [mas/yr] | 25.03156205 (0.1) | 25.00272946 (0.2) | 25.032 (0.1) | 25.00272946 | |||||||
| Proper motion (declination) | [mas/yr] | -132.8365492 (0.07) | -132.6399107 (0.2) | -132.837 (0.07) | -132.6399107 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.50 (0.2) | 16.50 (0.2) | 16.50 (0.2) | |||||||||
| H magnitude | 15.75 (0.1) | 15.75 (0.1) | ||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.37 (0.02) | 18.38 | 18.38 (0.02) | 18.37 (0.02) | 18.35 | |||||||
| g magnitude | 17.96 | 17.93 (0.005) | 17.95 (0.006) | 17.97 | ||||||||
| r magnitude | 17.29 | 17.32 (0.007) | 17.30 (0.005) | 17.30 | ||||||||
| i magnitude | 17.17 | 17.17 (0.007) | 17.16 (0.006) | 17.19 | ||||||||
| z magnitude | 17.18 | 17.18 (0.004) | 17.18 (0.01) | 17.23 | ||||||||
| G magnitude | 17.38 (0.008) | 17.40 | 17.38 | 17.38 (0.003) | 17.40 | |||||||
| BP magnitude | 17.75 (0.008) | 17.76 | 17.76 | |||||||||
| RP magnitude | 16.83 (0.009) | 16.83 | 16.83 | |||||||||
| Pan g magnitude | 17.93 (0.006) | 17.93 (0.005) | 17.93 | 17.93 (0.005) | ||||||||
| Pan r magnitude | 17.32 (0.007) | 17.32 (0.007) | 17.32 | 17.32 (0.007) | ||||||||
| Pan i magnitude | 17.17 (0.005) | 17.17 (0.007) | 17.17 | 17.17 (0.007) | ||||||||
| Pan z magnitude | 17.18 (0.004) | 17.18 (0.004) | 17.18 | 17.18 (0.004) | ||||||||
| Pan y magnitude | 17.18 (0.01) | 17.18 (0.007) | 17.18 | 17.18 (0.007) | ||||||||
| E(B-V) | 0.001 | |||||||||||
* 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.