All names: 03473+4358, Gaia EDR3 243645699341060608, Wolf 226, WDJ034722.43+435857.18, NLTT 11807, USNO-B1.0 1339-00080732, TIC 431991707, Gaia DR3 243645699341060608, Gaia DR2 243645699341060608, PM J03473+4358, LSPM J0347+4358, 2MASS J03472243+4358571
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | McCleery et al. 2020 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 47 22.19 (0.02) | 03 47 22.20 (0.03) | 03 47 22.20 (0.03) | 03 47 22.19 | 03 47 22.43 (0.02) | 03 47 22.20 | ||||||
| Declination | 43 58 58.40 (0.02) | 43 58 58.36 (0.02) | 43 58 58.36 (0.02) | 43 58 58.40 | 43 58 57.18 (0.02) | 43 58 58.36 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 13661.0 (179) | 13619.9 (57) | 13172.0 | 13650.0 (316) | 13972.0 (75) | ||||||
| log(g) | [cgs] | 8.00 (0.02) | 8.00 (0.007) | 7.98 | 7.99 (0.05) | 8.03 (0.005) | ||||||
| Mass | [M☉] | 0.61 (0.009) | 0.598 | 0.6 (0.03) | 0.627 (0.004) | |||||||
| log(Luminosity) | [L☉] | -2.27 | ||||||||||
| Cooling age | [Gyr] | 0.2826 | ||||||||||
| 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] | 31.34 (0.03) | 31.34 (0.03) | 31.40 (0.04) | 31.40 (0.04) | 31.34 | 31.34 (0.03) | 31.40 (0.04) | ||||
| Distance | [pc] | 31.91 (0.03) | 31.91 (0.03) | 31.85 (0.04) | 31.85 (0.04) | 33.90 (1) | 31.91 | 31.91 (0.03) | 31.85 (0.04) | |||
| Composition | H | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -159.6265031 (0.03) | -159.6657371 (0.09) | -159.627 (0.03) | -159.6657371 | |||||||
| Proper motion (declination) | [mas/yr] | 75.86672773 (0.03) | 76.00708162 (0.08) | 75.867 (0.03) | 76.00708162 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 14.30 | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 14.30 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 14.23 | 14.23 (0.03) | ||||||||||
| H magnitude | 14.30 | 14.30 (0.05) | ||||||||||
| K magnitude | 14.36 | 14.36 (0.07) | ||||||||||
| u magnitude | ||||||||||||
| g magnitude | ||||||||||||
| r magnitude | ||||||||||||
| i magnitude | ||||||||||||
| z magnitude | ||||||||||||
| G magnitude | 14.01 (0.0009) | 14.03 | 14.03 | 14.01 | 14.01 (0.003) | 14.03 | ||||||
| BP magnitude | 13.99 (0.0009) | 13.99 | 13.99 | |||||||||
| RP magnitude | 14.08 (0.0009) | 14.09 | 14.09 | |||||||||
| Pan g magnitude | 13.94 (0.002) | |||||||||||
| Pan r magnitude | 14.15 (0.002) | |||||||||||
| Pan i magnitude | 14.41 (0.004) | |||||||||||
| Pan z magnitude | 14.64 (0.002) | |||||||||||
| Pan y magnitude | 14.78 (0.004) | |||||||||||
| E(B-V) | 0.000 | |||||||||||
* 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.