All names: GALEX J093726.4+063000, Gaia EDR3 3854043994887683456, Gaia DR3 3854043994887683456, SDSS J093726.44+063000.8, WD 0934+067, Gaia DR2 3854043994887683456, 2MASS J09372642+0630011, SDSS J093726.42+063000.7, [HHD2009] SDSS J0937+0630, WIRED J093726.44+063000.8, SDSS J093726.43+063000.8, TIC 468994542
| 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 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 37 26.41 (0.2) | 09 37 26.43 | 09 37 26.41 (0.3) | 09 37 26.44 | 09 37 26.45 (0.2) | 09 37 26.44 | 09 37 26.30 | 09 37 26.44 | ||||
| Declination | 06 30 00.79 (0.2) | 06 30 00.75 | 06 30 00.79 (0.2) | 06 30 00.79 | 06 30 00.74 (0.2) | 06 30 00.84 | 06 29 58.92 | 06 30 00.82 | ||||
| Spectral type | DA+M | DA+M | DA+M | DA dM | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 12828.0 (790) | 9461.0 (94) | 9199.0 (89) | ||||||||
| log(g) | [cgs] | 7.63 (0.2) | 7.49 (0.1) | 7.10 (0.1) | ||||||||
| Mass | [M☉] | 0.42 (0.1) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 3.36 (0.2) | 3.24 (0.4) | 3.36 (0.2) | ||||||||
| Distance | [pc] | 297.83 (22) | 308.93 (37) | 297.83 (22) | ||||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -34.72134423 (0.3) | -34.99597764 (0.5) | -34.721 (0.3) | -32.9 | |||||||
| Proper motion (declination) | [mas/yr] | 3.561670783 (0.2) | 3.298125703 (0.4) | 3.562 (0.2) | 5.4 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.44 (0.007) | |||||||||||
| H magnitude | 15.93 (0.009) | |||||||||||
| K magnitude | 15.64 (0.01) | |||||||||||
| u magnitude | 19.37 (0.03) | 19.36 | 19.37 (0.03) | 19.36 (0.03) | 19.36 | 19.35 (0.03) | ||||||
| g magnitude | 18.88 (0.009) | 18.87 | 18.85 (0.009) | 18.87 (0.03) | 18.87 | 18.85 (0.03) | ||||||
| r magnitude | 18.91 (0.01) | 18.85 | 18.84 (0.01) | 18.84 (0.02) | 18.85 | 18.84 (0.02) | ||||||
| i magnitude | 18.39 (0.01) | 18.38 | 18.37 (0.01) | 18.38 (0.02) | 18.38 | 18.38 (0.02) | ||||||
| z magnitude | 17.87 (0.02) | 17.75 | 17.86 (0.02) | 17.75 (0.03) | 17.75 | 17.75 (0.03) | ||||||
| G magnitude | 18.57 (0.03) | 18.58 | 18.57 (0.003) | |||||||||
| BP magnitude | 18.92 (0.03) | 18.97 | ||||||||||
| RP magnitude | 17.94 (0.02) | 17.96 | ||||||||||
| Pan g magnitude | 18.86 (0.007) | |||||||||||
| Pan r magnitude | 18.87 (0.007) | |||||||||||
| Pan i magnitude | 18.38 (0.008) | |||||||||||
| Pan z magnitude | 17.92 (0.005) | |||||||||||
| Pan y magnitude | 17.66 (0.009) | |||||||||||
| E(B-V) | 0.022 | |||||||||||
* 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.