All names: WD 0322+452, PK 149-09 1, Gaia EDR3 241918950690107264, [SPW92] II-53, HDW 3, Gaia DR3 241918950690107264, UGCS J032715.41+452420.4, PN HaWe 4, PN HDW 3, PN G149.4-09.2, GSC2 N333121333134, Gaia DR2 241918950690107264
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 03 27 15.41 (0.06) | 03 27 15.41 (0.07) | 03 27 15.41 (0.06) | 03 26 14.35 | |||
| Declination | 45 24 20.50 (0.05) | 45 24 20.50 (0.05) | 45 24 20.39 (0.05) | 45 24 22.68 | |||
| Spectral type | DA | DAO.6 | DAO | ||||
| Effective temperature | [K] | 91210.0 (4576) | |||||
| log(g) | [cgs] | 7.32 (0.2) | |||||
| Mass | [M☉] | 0.57 (0.04) | |||||
| 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] | 1.09 (0.07) | 1.16 (0.09) | 1.09 (0.07) | |||
| Distance | [pc] | 916.06 (59) | 862.44 (69) | 1123.00 | 916.09 (59) | ||
| Composition | H | ||||||
| Proper motion (right ascension) | [mas/yr] | 0.347717333 (0.08) | 0.4 (0.2) | 0.348 (0.09) | |||
| Proper motion (declination) | [mas/yr] | 6.77681188 (0.07) | 6.889 (0.2) | 6.777 (0.07) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 17.08 (0.003) | ||||||
| V magnitude | 17.19 (0.004) | ||||||
| R magnitude | 17.22 (0.04) | ||||||
| I magnitude | 17.23 (0.02) | ||||||
| J magnitude | 17.48 (0.03) | ||||||
| H magnitude | 17.62 (0.08) | ||||||
| K magnitude | 17.49 (0.1) | ||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 17.12 (0.007) | 17.16 | 17.12 (0.003) | ||||
| BP magnitude | 17.06 (0.007) | 17.01 | |||||
| RP magnitude | 17.21 (0.01) | 17.20 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.259 | ||||||
* 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.