All names: SDSS J143746.69+573706.0, SBC9 3379, SDSS J143746.70+573706.1, Gaia DR2 1610841232556174976, SDSS J143746.68+573706.3, Gaia EDR3 1610841232556174976, Gaia DR3 1610841232556174976, TIC 298166096, WD 1436+578, WIRED J143746.69+573706.0, 2MASS J14374669+5737059, SDSS J143746.68+573706.0, SDSS J143746.70+573706.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 37 46.70 (0.2) | 14 37 46.69 | 14 37 46.70 (0.2) | 14 37 46.70 | 14 37 46.69 (0.2) | 14 37 46.70 | 14 37 46.82 | 14 37 46.70 | |||
| Declination | 57 37 05.44 (0.2) | 57 37 06.01 | 57 37 05.46 (0.2) | 57 37 05.99 | 57 37 06.06 (0.2) | 57 37 06.01 | 57 37 04.44 | 57 37 06.01 | |||
| Spectral type | DA+M | DA+dMe | DA+M | DA dM | DA+M | ||||||
| Effective temperature | [K] | 14641.0 (2831) | 6300.0 (1) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.33 (0.5) | 7.21 (0.1) | 5.01 (0.02) | |||||||
| Mass | [M☉] | 0.815 (0.3) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 2.57 (0.2) | 1.88 (0.2) | 2.57 (0.2) | |||||||
| Distance | [pc] | 389.71 (29) | 531.28 (61) | 866.00 (191) | 389.71 (29) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 4.494743857 (0.2) | 3.624652192 (0.4) | 4.495 (0.2) | 9.1 | ||||||
| Proper motion (declination) | [mas/yr] | -38.79749367 (0.2) | -36.85933893 (0.3) | -38.797 (0.2) | -41.6 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 14.91 (0.04) | ||||||||||
| H magnitude | 14.39 (0.04) | ||||||||||
| K magnitude | 14.02 (0.04) | ||||||||||
| u magnitude | 18.99 (0.02) | 18.97 | 18.97 (0.02) | 18.97 (0.02) | 18.97 | 18.96 (0.02) | |||||
| g magnitude | 18.51 (0.007) | 18.51 | 18.50 (0.007) | 18.51 (0.03) | 18.51 | 18.52 (0.03) | |||||
| r magnitude | 18.10 (0.007) | 18.12 | 18.10 (0.007) | 18.12 (0.01) | 18.12 | 18.11 (0.01) | |||||
| i magnitude | 17.05 (0.005) | 17.06 | 17.05 (0.005) | 17.06 (0.01) | 17.06 | 17.06 (0.01) | |||||
| z magnitude | 16.35 (0.008) | 16.33 | 16.34 (0.009) | 16.34 (0.02) | 16.34 | 16.35 (0.02) | |||||
| G magnitude | 17.62 (0.01) | 17.60 | 17.62 (0.004) | ||||||||
| BP magnitude | 18.43 (0.01) | 18.43 | |||||||||
| RP magnitude | 16.56 (0.005) | 16.57 | |||||||||
| Pan g magnitude | 18.48 (0.007) | ||||||||||
| Pan r magnitude | 18.12 (0.007) | ||||||||||
| Pan i magnitude | 17.06 (0.003) | ||||||||||
| Pan z magnitude | 16.45 (0.004) | ||||||||||
| Pan y magnitude | 16.15 (0.004) | ||||||||||
| E(B-V) | 0.020 | ||||||||||
* 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.