All names: Gaia EDR3 2657296407769844992, SDSS J231718.28+010041.3, Gaia DR2 2657296407769844992, 2MASS J23171827+0100408, GALEX J231718.3+010041, SDSS J231718.28+010041.4, TIC 262691181, Gaia DR3 2657296407769844992, WD 2314+007
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 17 18.30 (0.5) | 23 17 18.28 | 23 17 18.30 (0.6) | 23 17 18.28 | 23 17 18.28 (0.5) | 23 17 17.57 | 23 17 18.28 | |||
| Declination | 01 00 41.25 (0.5) | 01 00 41.42 | 01 00 41.25 (0.5) | 01 00 41.29 | 01 00 41.46 (0.5) | 01 00 41.76 | 01 00 41.39 | |||
| Spectral type | DA+M | DA+M | DA M | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (4) | ||||||||
| log(g) | [cgs] | 9.98 (0.03) | ||||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 0.93 (0.6) | 0.25 (0.9) | 0.93 (0.6) | ||||||
| Distance | [pc] | 1070.36 (699) | 4043.60 (14668) | 539.00 (66) | 1070.32 (699) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 23.79023887 (0.7) | 23.95673279 (0.9) | 23.79 (0.7) | ||||||
| Proper motion (declination) | [mas/yr] | -13.49584215 (0.6) | -11.77290163 (0.9) | -13.496 (0.6) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 17.12 (0.02) | |||||||||
| H magnitude | 16.62 (0.04) | |||||||||
| K magnitude | 16.22 (0.04) | |||||||||
| u magnitude | 21.49 (0.1) | 21.49 | 21.51 (0.2) | 21.48 | 21.46 (0.2) | |||||
| g magnitude | 20.76 (0.03) | 20.85 | 20.83 (0.04) | 20.85 | 20.84 (0.04) | |||||
| r magnitude | 20.43 (0.03) | 20.38 | 20.36 (0.04) | 20.38 | 20.38 (0.04) | |||||
| i magnitude | 19.38 (0.02) | 19.35 | 19.32 (0.02) | 19.35 | 19.34 (0.03) | |||||
| z magnitude | 18.65 (0.04) | 18.57 | 18.53 (0.04) | 18.57 | 18.56 (0.04) | |||||
| G magnitude | 19.89 (0.1) | 19.92 | 19.89 (0.006) | |||||||
| BP magnitude | 20.78 (0.1) | 20.38 | ||||||||
| RP magnitude | 18.95 (0.04) | 18.83 | ||||||||
| Pan g magnitude | 20.76 (0.03) | |||||||||
| Pan r magnitude | 20.42 (0.04) | |||||||||
| Pan i magnitude | 19.40 (0.01) | |||||||||
| Pan z magnitude | 18.71 (0.006) | |||||||||
| Pan y magnitude | 18.36 (0.007) | |||||||||
| E(B-V) | 0.049 | |||||||||
* 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.