All names: SDSS J091513.42+313713.1, SDSS J091513.42+313713.0, Gaia DR2 699955394370793216, Gaia DR3 699955394370793216, SDSS J091513.40+313713.0, WD 0912+318, WIRED J091513.42+313713.0, TIC 139366707, 2MASS J09151342+3137131, Gaia EDR3 699955394370793216, GALEX J091513.4+313713
| 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 | 09 15 13.39 (0.5) | 09 15 13.42 | 09 15 13.39 (0.6) | 09 15 13.42 | 09 15 13.42 (0.5) | 09 15 13.42 | 09 15 13.15 | 09 15 13.42 | |||
| Declination | 31 37 12.85 (0.4) | 31 37 13.05 | 31 37 12.86 (0.5) | 31 37 13.01 | 31 37 13.01 (0.4) | 31 37 13.07 | 31 37 06.24 | 31 37 13.07 | |||
| Spectral type | DA+M | DA+dM | DA+M | DA d | DA+M | ||||||
| Effective temperature | [K] | 10793.0 (347) | 6300.0 (1) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.22 (0.3) | 8.44 (0.2) | 5.02 (0.02) | |||||||
| Mass | [M☉] | 0.74 (0.2) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 1.24 (0.6) | 1.24 (0.6) | ||||||||
| Distance | [pc] | 806.48 (397) | 513.00 (29) | 806.45 (397) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -24.63172943 (0.6) | -24.632 (0.6) | -24.5 | |||||||
| Proper motion (declination) | [mas/yr] | -9.582425756 (0.5) | -9.582 (0.5) | -11.5 | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.11 (0.003) | ||||||||||
| H magnitude | 14.49 (0.05) | ||||||||||
| K magnitude | 14.37 (0.07) | ||||||||||
| u magnitude | 19.80 (0.03) | 19.84 | 19.85 (0.04) | 19.84 (0.04) | 19.85 | 19.85 (0.04) | |||||
| g magnitude | 18.91 (0.009) | 18.95 | 18.91 (0.009) | 18.95 (0.02) | 18.95 | 18.96 (0.02) | |||||
| r magnitude | 18.07 (0.007) | 18.10 | 18.07 (0.007) | 18.10 (0.02) | 18.10 | 18.11 (0.02) | |||||
| i magnitude | 17.08 (0.006) | 17.09 | 17.07 (0.006) | 17.09 (0.01) | 17.09 | 17.10 (0.01) | |||||
| z magnitude | 16.46 (0.008) | 16.43 | 16.45 (0.008) | 16.43 (0.01) | 16.43 | 16.45 (0.01) | |||||
| G magnitude | 17.78 (0.02) | 17.77 | 17.78 (0.006) | ||||||||
| BP magnitude | 18.63 (0.02) | 18.65 | |||||||||
| RP magnitude | 16.61 (0.008) | 16.62 | |||||||||
| Pan g magnitude | 18.84 (0.007) | ||||||||||
| Pan r magnitude | 18.09 (0.01) | ||||||||||
| Pan i magnitude | 17.05 (0.003) | ||||||||||
| Pan z magnitude | 16.55 (0.003) | ||||||||||
| Pan y magnitude | 16.31 (0.004) | ||||||||||
| E(B-V) | 0.020 | ||||||||||
* 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.