All names: Gaia EDR3 435527383380748416, 2MASS J03144591+4812057, 1SWASP J031445.95+481206.1, GALEX J031445.9+481205, LAMOST J031445.91+481205.8, TIC 117502568, Gaia DR2 435527383380748416, Gaia DR3 435527383380748416, WD 0311+480, KPD 0311+4801
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 14 45.91 (0.03) | 03 14 45.91 (0.04) | 03 14 45.91 | 03 14 45.92 (0.03) | 03 14 45.34 | |||
| Declination | 48 12 05.83 (0.03) | 48 12 05.83 (0.03) | 48 12 05.83 | 48 12 05.90 (0.03) | 48 12 31.32 | |||
| Spectral type | DA | DB: | DA.5 | DA | ||||
| Effective temperature | [K] | 97080.0 (4750) | 32744.0 (503) | |||||
| log(g) | [cgs] | 6.96 (0.1) | 6.55 (0.02) | |||||
| Mass | [M☉] | 0.53 (0.03) | 0.248 (0.007) | |||||
| 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] | 4.32 (0.04) | 4.27 (0.05) | 4.32 | 4.32 (0.04) | |||
| Distance | [pc] | 231.48 (2) | 234.39 (3) | 415.00 | 231.48 | 231.48 (2) | ||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | -4.074216274 (0.04) | -4.14333192 (0.1) | -4.074 (0.04) | ||||
| Proper motion (declination) | [mas/yr] | -4.256751592 (0.04) | -4.09483558 (0.08) | -4.257 (0.04) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 14.15 | |||||||
| V magnitude | 14.32 | |||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 14.82 (0.04) | |||||||
| H magnitude | 14.91 (0.07) | |||||||
| K magnitude | 15.16 (0.1) | |||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 14.30 (0.002) | 14.33 | 14.30 | 14.30 (0.003) | ||||
| BP magnitude | 14.19 (0.002) | 14.14 | ||||||
| RP magnitude | 14.49 (0.002) | 14.49 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.093 | |||||||
* 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.