All names: SDSS J003416.17-000849.8, Gaia DR2 2542839308904245120, SDSS J003416.18-000849.9, GALEX J003416.1-000849, PB 6036, WD 0031-004, Gaia DR3 2542839308904245120, 2MASS J00341617-0008495, Gaia EDR3 2542839308904245120, TIC 212954475
| 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 | 00 34 16.18 (0.09) | 00 34 16.18 | 00 34 16.18 (0.2) | 00 34 16.18 (0.09) | 00 34 15.72 | 00 34 16.18 | |||
| Declination | -00 08 50.00 (0.07) | -00 08 49.90 | -00 08 50.00 (0.1) | -00 08 49.94 (0.07) | -00 08 45.96 | -00 08 49.86 | |||
| Spectral type | DA+K | DA K | DA+M | ||||||
| Effective temperature | [K] | 10080.0 (2) | |||||||
| log(g) | [cgs] | 9.89 (0.1) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.26 (0.1) | 0.09 (0.2) | 0.26 (0.1) | |||||
| Distance | [pc] | 3890.37 (1733) | 11200.27 (21379) | 3891.05 (1734) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -0.210416671 (0.1) | -0.708540124 (0.5) | -0.21 (0.1) | |||||
| Proper motion (declination) | [mas/yr] | -4.04765956 (0.09) | -4.473671815 (0.3) | -4.048 (0.1) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | yes | WDMS | |||||||
| B magnitude | 17.00 | ||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.34 (0.01) | ||||||||
| H magnitude | 15.90 (0.01) | ||||||||
| K magnitude | 15.77 (0.02) | ||||||||
| u magnitude | 17.69 (0.01) | 17.72 (0.01) | 17.68 | 17.72 (0.02) | |||||
| g magnitude | 17.64 (0.005) | 17.64 (0.005) | 17.64 | 17.66 (0.03) | |||||
| r magnitude | 17.43 (0.006) | 17.46 (0.006) | 17.47 | 17.48 (0.02) | |||||
| i magnitude | 17.32 (0.007) | 17.32 (0.006) | 17.31 | 17.32 (0.02) | |||||
| z magnitude | 17.23 (0.01) | 17.23 (0.01) | 17.23 | 17.25 (0.02) | |||||
| G magnitude | 17.38 (0.008) | 17.40 | 17.38 (0.003) | ||||||
| BP magnitude | 17.58 (0.008) | 17.56 | |||||||
| RP magnitude | 16.98 (0.007) | 16.97 | |||||||
| Pan g magnitude | 17.56 (0.01) | ||||||||
| Pan r magnitude | 17.42 (0.007) | ||||||||
| Pan i magnitude | 17.32 (0.004) | ||||||||
| Pan z magnitude | 17.24 (0.007) | ||||||||
| Pan y magnitude | 17.23 (0.006) | ||||||||
| E(B-V) | 0.026 | ||||||||
* 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.