All names: 2QZ J215119.2-291444, Gaia DR3 6617395854003241856, Gaia EDR3 6617395854003241856, MCT 2148-2928, PSO J327.8299-29.2454, Gaia DR2 6617395854003241856, WD 2148-294, USNO-B1.0 0607-00941762
| Parameter | Unit | Gaia EDR3 | Bergeron et al. 2021 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 51 19.18 (0.09) | 21 51 19.18 (0.1) | 21 51 19.18 | 21 51 19.18 (0.09) | 21 51 18.00 | |||
| Declination | -29 14 43.78 (0.08) | -29 14 43.77 (0.1) | -29 14 43.78 | -29 14 43.58 (0.08) | -29 14 36.96 | |||
| Spectral type | DOZ | DA: | DOZ | DO | ||||
| Effective temperature | [K] | 95037.0 (13197) | 298001.0 (50162) | |||||
| log(g) | [cgs] | 8.00 (0.3) | 8.42 (0.08) | |||||
| Mass | [M☉] | 0.718 (0.1) | 1.946 (0.09) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | 0.0004 | ||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| 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] | 1.44 (0.1) | 1.04 (0.2) | 1.44 | 1.44 (0.1) | |||
| Distance | [pc] | 696.07 (50) | 696.00 | 958.66 (164) | 696.07 | 696.09 (50) | ||
| Composition | He | |||||||
| Proper motion (right ascension) | [mas/yr] | 0.00655504 (0.1) | 0.404004095 (0.3) | 0.007 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -12.52562747 (0.09) | -12.77902994 (0.2) | -12.526 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 16.80 | |||||||
| V magnitude | ||||||||
| R magnitude | 16.90 | |||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | 16.63 (0.005) | |||||||
| r magnitude | 17.09 (0.003) | |||||||
| i magnitude | 17.48 (0.003) | |||||||
| z magnitude | 17.79 (0.007) | |||||||
| G magnitude | 16.82 (0.004) | 16.84 | 16.82 | 16.82 (0.003) | ||||
| BP magnitude | 16.62 (0.004) | 16.55 | ||||||
| RP magnitude | 17.14 (0.009) | 17.15 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.022 | |||||||
* 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.