All names: GALEX J110957.0+330246, SDSS J110957.02+330245.7, LAMOST J110957.02+330245.7, 2MASS J11095703+3302459, SDSS J110957.02+330245.8, TIC 8993199, SDSS J110957.03+330245.8, Gaia DR2 758162779734823680, WD 1107+333, Gaia DR3 758162779734823680, Gaia EDR3 758162779734823680, WIRED J110957.02+330245.7
| 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 | 11 09 57.05 (0.7) | 11 09 57.03 | 11 09 57.04 (1) | 11 09 57.02 | 11 09 57.03 (0.7) | 11 09 56.47 | 11 09 57.02 | |||
| Declination | 33 02 45.54 (0.7) | 33 02 45.77 | 33 02 45.55 (1) | 33 02 45.71 | 33 02 45.89 (0.7) | 33 02 43.08 | 33 02 45.77 | |||
| Spectral type | DA+M | DA+M | DA2.5 M | DA+M | ||||||
| Effective temperature | [K] | 20331.0 (715) | 6343.0 (40) | |||||||
| log(g) | [cgs] | 7.86 (0.1) | 5.02 (0.03) | |||||||
| Mass | [M☉] | 0.55 (0.07) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.23 (0.8) | 3.23 (0.8) | |||||||
| Distance | [pc] | 310.04 (79) | 372.00 (19) | 310.04 (79) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 16.07975567 (0.8) | 16.08 (0.8) | |||||||
| Proper motion (declination) | [mas/yr] | -21.80437684 (0.7) | -21.804 (0.7) | |||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.68 (0.06) | |||||||||
| H magnitude | 15.18 (0.07) | |||||||||
| K magnitude | 15.05 (0.1) | |||||||||
| u magnitude | 18.67 (0.02) | 18.66 | 18.67 (0.02) | 18.66 | 18.66 (0.03) | |||||
| g magnitude | 18.47 (0.007) | 18.49 | 18.47 (0.007) | 18.49 | 18.50 (0.01) | |||||
| r magnitude | 18.33 (0.008) | 18.33 | 18.33 (0.008) | 18.33 | 18.34 (0.02) | |||||
| i magnitude | 17.62 (0.007) | 17.63 | 17.62 (0.007) | 17.63 | 17.64 (0.01) | |||||
| z magnitude | 17.06 (0.01) | 17.06 | 17.06 (0.01) | 17.06 | 17.07 (0.03) | |||||
| G magnitude | 18.41 (0.03) | 18.23 | 18.41 (0.02) | |||||||
| BP magnitude | 18.56 (0.03) | 18.45 | ||||||||
| RP magnitude | 17.25 (0.03) | 17.19 | ||||||||
| Pan g magnitude | 18.52 (0.008) | |||||||||
| Pan r magnitude | 18.31 (0.008) | |||||||||
| Pan i magnitude | 17.64 (0.003) | |||||||||
| Pan z magnitude | 17.17 (0.005) | |||||||||
| Pan y magnitude | 16.91 (0.01) | |||||||||
| 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.