All names: Gaia EDR3 6569470482909187840, LEHPM 4598, GALEX J222125.4-412527, EC 22184-4140, TIC 278772261, Gaia DR2 6569470482909187840, WD 2218-416, LEHPM 1-4598, Gaia DR3 6569470482909187840, WDJ222125.38-412527.05, 2MASS J22212535-4125268
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Subasavage et al. 2007 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 21 25.53 (0.02) | 22 21 25.53 (0.04) | 22 21 25.37 | 22 21 25.53 | 22 21 25.38 (0.02) | 22 21 25.53 | 22 21 24.82 | ||
| Declination | -41 25 29.55 (0.02) | -41 25 29.47 (0.04) | -41 25 27.00 | -41 25 29.55 | -41 25 27.05 (0.02) | -41 25 29.47 | -41 25 21.72 | ||
| Spectral type | DA5.0 | DA | DA5.0 | DA4.9 | |||||
| Effective temperature | [K] | 10357.0 (414) | 10128.0 (48) | ||||||
| log(g) | [cgs] | 7.98 (0.008) | |||||||
| Mass | [M☉] | 0.591 (0.006) | |||||||
| 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] | 22.10 (0.04) | 22.06 (0.06) | 22.10 | 22.10 (0.04) | 22.06 (0.06) | |||
| Distance | [pc] | 45.24 (0.07) | 45.32 (0.1) | 45.60 | 45.24 | 45.24 (0.07) | 45.32 (0.1) | ||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 110.4259746 (0.03) | 110.4188138 (0.06) | 110.426 (0.03) | 110.4188138 | ||||
| Proper motion (declination) | [mas/yr] | -156.6767123 (0.03) | -156.5507856 (0.07) | -156.677 (0.03) | -156.5507856 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | 15.36 | ||||||||
| R magnitude | 15.35 | ||||||||
| I magnitude | 15.24 | ||||||||
| J magnitude | 15.38 (0.04) | 15.38 (0.04) | |||||||
| H magnitude | 15.14 (0.09) | 15.14 (0.09) | |||||||
| K magnitude | 15.39 (0.1) | 15.39 (0.1) | |||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 15.37 (0.002) | 15.39 | 15.37 | 15.37 (0.003) | 15.39 | ||||
| BP magnitude | 15.42 (0.002) | 15.42 | 15.42 | ||||||
| RP magnitude | 15.29 (0.002) | 15.30 | 15.30 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.002 | ||||||||
* 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.