All names: WD 0314+423, SDSS J031803.98+423034.5, TIC 416098285, Gaia DR2 239729475145954304, 2MASS J03180397+4230345, WISEA J031804.01+423034.3, Gaia EDR3 239729475145954304, Gaia DR3 239729475145954304, SDSS J031803.99+423034.4, WISE J031804.00+423034.4, UCAC4 663-016323, WIRED J031803.98+423034.4, SDSS J031803.98+423034.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 18 04.04 (0.03) | 03 18 03.99 | 03 18 04.03 (0.06) | 03 18 03.98 (0.03) | 03 18 03.89 | 03 18 03.99 | |||
| Declination | 42 30 34.14 (0.03) | 42 30 34.52 | 42 30 34.15 (0.04) | 42 30 34.66 (0.03) | 42 30 32.04 | 42 30 34.40 | |||
| Spectral type | M3 | DA5.9+M3 | DA:M | ||||||
| Effective temperature | [K] | 14169.0 (36) | |||||||
| log(g) | [cgs] | 10.00 (0.001) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 5.49 (0.04) | 5.48 (0.07) | 5.49 (0.04) | |||||
| Distance | [pc] | 182.19 (1) | 182.38 (2) | 182.19 (1) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 38.61308113 (0.05) | 38.33543843 (0.2) | 38.613 (0.05) | |||||
| Proper motion (declination) | [mas/yr] | -32.82450793 (0.04) | -32.5813082 (0.1) | -32.825 (0.04) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | yes | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | 16.18 (0.5) | ||||||||
| I magnitude | |||||||||
| J magnitude | 13.11 (0.02) | ||||||||
| H magnitude | 12.49 (0.03) | ||||||||
| K magnitude | 12.23 (0.03) | ||||||||
| u magnitude | 18.59 (0.02) | 18.59 (0.01) | 18.32 | 18.41 (0.03) | |||||
| g magnitude | 17.29 (0.005) | 17.29 (0.005) | 17.15 | 17.20 (0.01) | |||||
| r magnitude | 16.25 (0.005) | 16.25 (0.005) | 16.22 | 16.25 (0.01) | |||||
| i magnitude | 15.10 (0.005) | 15.11 (0.005) | 15.17 | 15.19 (0.01) | |||||
| z magnitude | 14.50 (0.005) | 14.50 (0.005) | 14.47 | 14.51 (0.01) | |||||
| G magnitude | 15.85 (0.02) | 15.86 | 15.85 (0.003) | ||||||
| BP magnitude | 16.82 (0.02) | 16.85 | |||||||
| RP magnitude | 14.68 (0.004) | 14.69 | |||||||
| Pan g magnitude | 17.26 (0.02) | ||||||||
| Pan r magnitude | 16.29 (0.01) | ||||||||
| Pan i magnitude | 15.18 (0.004) | ||||||||
| Pan z magnitude | 14.64 (0.002) | ||||||||
| Pan y magnitude | 14.35 (0.004) | ||||||||
| E(B-V) | 0.056 | ||||||||
* 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.