All names: SDSS J162757.08+331346.0, Gaia DR2 1325446703051479168, SDSS J162757.08+331346.1, SDSS J162757.06+331346.0, SDSS J162757.07+331346.0, SDSS J162757.07+331346.1, WD 1626+333, Gaia DR3 1325446703051479168, Gaia EDR3 1325446703051479168, GALEX J162757.0+331345
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 27 57.07 (0.09) | 16 27 57.07 | 16 27 57.07 (0.1) | 16 27 57.07 | 16 27 57.06 (0.09) | 16 27 57.07 | 16 27 56.47 | 16 27 57.08 | |||
| Declination | 33 13 46.10 (0.1) | 33 13 46.04 | 33 13 46.10 (0.1) | 33 13 46.10 | 33 13 46.00 (0.1) | 33 13 46.11 | 33 13 42.60 | 33 13 46.10 | |||
| Spectral type | DA | DA+DB/DC | DA_auto | DA | DA | DA | |||||
| Effective temperature | [K] | 8817.0 (200) | 9392.0 (49) | 9243.0 (53) | |||||||
| log(g) | [cgs] | 7.27 (0.05) | 8.42 (0.07) | 8.25 (0.09) | |||||||
| Mass | [M☉] | 0.275 (0.02) | 0.746 (0.06) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 4.99 (0.1) | 5.07 (0.1) | 4.99 | 4.99 (0.1) | ||||||
| Distance | [pc] | 200.33 (5) | 197.30 (6) | 200.33 | 200.33 (5) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 5.919133079 (0.1) | 6.533597277 (0.3) | 5.919 (0.1) | -1.4 | ||||||
| Proper motion (declination) | [mas/yr] | 6.548223178 (0.1) | 7.698841793 (0.2) | 6.548 (0.1) | 6.8 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.57 (0.02) | 18.57 (0.02) | 18.60 (0.02) | 18.60 | 18.63 (0.02) | ||||||
| g magnitude | 18.02 (0.006) | 18.02 (0.006) | 18.20 (0.02) | 18.20 | 18.20 (0.02) | ||||||
| r magnitude | 17.99 (0.007) | 17.98 (0.007) | 18.25 (0.02) | 18.25 | 18.25 (0.02) | ||||||
| i magnitude | 18.02 (0.008) | 18.01 (0.008) | 18.25 (0.02) | 18.24 | 18.22 (0.02) | ||||||
| z magnitude | 18.08 (0.02) | 18.08 (0.02) | 18.43 (0.03) | 18.42 | 18.41 (0.03) | ||||||
| G magnitude | 18.29 (0.02) | 18.31 | 18.29 | 18.29 (0.003) | |||||||
| BP magnitude | 18.14 (0.02) | 18.14 | |||||||||
| RP magnitude | 17.82 (0.02) | 17.85 | |||||||||
| Pan g magnitude | |||||||||||
| Pan r magnitude | |||||||||||
| Pan i magnitude | |||||||||||
| Pan z magnitude | |||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.017 | ||||||||||
* 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.