All names: WD 1318+664, Gaia DR3 1678288123366725504, [HHD2009] SDSS J1320+6612, SDSS J132040.27+661215.1, Gaia DR2 1678288123366725504, Gaia EDR3 1678288123366725504, SDSS J132040.32+661214.6, SDSS J132040.28+661214.9, SDSS J132040.28+661214.8, WIRED J132040.27+661214.8, SDSS J132040.27+661214.8, 2MASS J13204027+6612150, GALEX J132040.2+661214, TIC 232974242, [SGR2010] J1320+6612
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | 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 20 40.31 (0.1) | 13 20 40.27 | 13 20 40.31 (0.2) | 13 20 40.27 | 13 20 40.28 (0.1) | 13 20 40.28 | 13 20 39.74 | 13 20 40.28 | |||
| Declination | 66 12 14.63 (0.09) | 66 12 14.87 | 66 12 14.63 (0.1) | 66 12 14.80 | 66 12 14.77 (0.09) | 66 12 14.88 | 66 12 12.24 | 66 12 14.82 | |||
| Spectral type | DA+M | DA+dMe | DA+M | DA+ME | DA+M | ||||||
| Effective temperature | [K] | 26527.0 (1273) | 6301.0 (4) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.21 (0.2) | 7.31 (0.2) | 10.00 (0.003) | |||||||
| Mass | [M☉] | 0.76 (0.1) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 1.43 (0.1) | 1.13 (0.2) | 1.43 (0.1) | |||||||
| Distance | [pc] | 700.06 (54) | 888.00 (132) | 609.00 (92) | 700.04 (54) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 13.56785022 (0.2) | 13.34976133 (0.4) | 13.568 (0.2) | 18.5 | ||||||
| Proper motion (declination) | [mas/yr] | -9.015511735 (0.1) | -8.802702446 (0.2) | -9.016 (0.1) | -12.1 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | yes | WDMS | |||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.30 (0.1) | ||||||||||
| H magnitude | 15.56 (0.2) | ||||||||||
| K magnitude | 15.20 (0.09) | ||||||||||
| u magnitude | 18.81 (0.02) | 18.80 | 18.82 (0.02) | 18.80 (0.02) | 18.79 | 18.81 (0.02) | |||||
| g magnitude | 18.72 (0.008) | 18.72 | 18.72 (0.008) | 18.72 (0.01) | 18.73 | 18.73 (0.02) | |||||
| r magnitude | 18.38 (0.008) | 18.38 | 18.38 (0.009) | 18.38 (0.03) | 18.38 | 18.38 (0.03) | |||||
| i magnitude | 17.80 (0.007) | 17.79 | 17.80 (0.008) | 17.79 (0.02) | 17.78 | 17.79 (0.02) | |||||
| z magnitude | 17.39 (0.01) | 17.39 | 17.39 (0.02) | 17.39 (0.02) | 17.40 | 17.39 (0.02) | |||||
| G magnitude | 18.16 (0.02) | 18.19 | 18.16 (0.003) | ||||||||
| BP magnitude | 18.66 (0.02) | 18.67 | |||||||||
| RP magnitude | 17.43 (0.01) | 17.42 | |||||||||
| Pan g magnitude | 18.74 (0.008) | ||||||||||
| Pan r magnitude | 18.42 (0.006) | ||||||||||
| Pan i magnitude | 17.82 (0.005) | ||||||||||
| Pan z magnitude | 17.50 (0.004) | ||||||||||
| Pan y magnitude | 17.35 (0.007) | ||||||||||
| 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.