All names: TIC 445859448, SDSS J133917.92+593752.9, WD 1337+598, WISE J133918.08+593752.3, SDSS J133917.91+593752.9, Gaia EDR3 1662475123229969664, WIRED J133917.97+593752.7, SDSS J133918.03+593752.5, SDSS J133917.97+593752.7, WISEA J133918.04+593752.4, 2MASS J13391803+5937523
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 39 17.88 (0.3) | 13 39 17.98 | 13 39 17.97 | 13 39 17.98 | 13 39 17.92 | 13 39 18.05 | 13 39 17.97 | ||
| Declination | 59 37 52.81 (0.4) | 59 37 52.78 | 59 37 52.72 | 59 37 52.78 | 59 37 52.95 | 59 37 49.08 | 59 37 52.73 | ||
| Spectral type | DA+M | DA+dM | DA+M | DA d | DA+M | ||||
| Effective temperature | [K] | 29222.0 (1025) | 6802.0 (335) | 6311.0 (17) | |||||
| log(g) | [cgs] | 7.67 (0.2) | 6.80 (1) | 6.42 (0.6) | |||||
| Mass | [M☉] | 0.5 (0.1) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 1.49 (0.4) | |||||||
| Distance | [pc] | 673.37 (182) | 835.00 (134) | ||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -17.32852599 (0.4) | -12.0 (3) | -9.8 | |||||
| Proper motion (declination) | [mas/yr] | -15.41827642 (0.4) | -12.0 (3) | -15.1 | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.61 (0.1) | ||||||||
| H magnitude | 16.23 (0.2) | ||||||||
| K magnitude | 15.83 (0.2) | ||||||||
| u magnitude | 19.21 (0.03) | 19.39 | 19.21 (0.03) | 19.39 (0.03) | 21.74 | 19.41 (0.03) | |||
| g magnitude | 19.26 (0.01) | 19.53 | 19.26 (0.01) | 19.53 (0.03) | 21.34 | 19.55 (0.03) | |||
| r magnitude | 19.17 (0.01) | 20.60 | 19.17 (0.01) | 20.60 (0.2) | 19.89 | 20.62 (0.2) | |||
| i magnitude | 18.58 (0.01) | 21.11 | 18.58 (0.01) | 21.11 (0.7) | 18.85 | 21.13 (0.7) | |||
| z magnitude | 18.08 (0.03) | 20.32 | 18.08 (0.03) | 20.32 (0.6) | 18.33 | 20.36 (0.6) | |||
| G magnitude | 19.72 | ||||||||
| BP magnitude | |||||||||
| RP magnitude | |||||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.018 | ||||||||
* 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.