All names: WIRED J134737.98+055723.8, SDSS J134737.98+055723.8, USNO-A2.0 0900-07488797, Gaia EDR3 3720344824059695488, GALEX 2696224664252843483, Gaia DR2 3720344824059695488
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 47 37.95 (0.2) | 13 47 37.97 | 13 47 37.95 (0.3) | 13 47 37.98 | 13 47 37.99 (0.3) | 13 47 37.98 | |||
| Declination | 05 57 23.69 (0.2) | 05 57 23.84 | 05 57 23.69 (0.2) | 05 57 23.83 | 05 57 23.81 (0.2) | 05 57 23.85 | |||
| Spectral type | DA+M | DA+M | DA+M | ||||||
| Effective temperature | [K] | 12250.0 (824) | 9815.0 (92) | ||||||
| log(g) | [cgs] | 7.44 (0.3) | 7.67 (0.1) | ||||||
| Mass | [M☉] | 0.34 (0.1) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 1.89 (0.3) | 2.38 (0.4) | 2.38 (0.4) | |||||
| Distance | [pc] | 528.00 (70) | 420.97 (66) | 511.00 (92) | 420.96 (66) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -34.12674653 (0.3) | -33.184886 (0.7) | -33.185 (0.7) | |||||
| Proper motion (declination) | [mas/yr] | -8.30961722 (0.2) | -7.318078533 (0.4) | -7.318 (0.4) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 19.93 (0.04) | 19.92 | 19.92 (0.04) | 19.92 (0.04) | |||||
| g magnitude | 19.41 (0.01) | 19.41 | 19.41 (0.02) | 19.41 (0.02) | |||||
| r magnitude | 19.49 (0.01) | 19.46 | 19.46 (0.02) | 19.46 (0.02) | |||||
| i magnitude | 19.11 (0.01) | 19.09 | 19.09 (0.02) | 19.09 (0.02) | |||||
| z magnitude | 18.59 (0.03) | 18.58 | 18.58 (0.03) | 18.58 (0.03) | |||||
| G magnitude | 19.21 (0.04) | 19.23 | 19.23 (0.005) | ||||||
| BP magnitude | 19.60 (0.04) | 19.56 | |||||||
| RP magnitude | 18.74 (0.02) | 18.66 | |||||||
| Pan g magnitude | 19.39 (0.008) | ||||||||
| Pan r magnitude | 19.47 (0.01) | ||||||||
| Pan i magnitude | 19.12 (0.01) | ||||||||
| Pan z magnitude | 18.63 (0.007) | ||||||||
| Pan y magnitude | 18.32 (0.01) | ||||||||
| E(B-V) | 0.030 | ||||||||
* 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.