All names: Gaia DR2 592306329767784320, WIRED J092157.64+101351.7, SDSS J092157.64+101351.7, SDSS J092157.64+101351.8, SDSS J092157.60+101351.6, Gaia EDR3 592306329767784320, 2MASS J09215764+1013514, Gaia DR3 592306329767784320, SDSS J092157.64+101351.9, WD 0919+104, [HHD2009] SDSS J0921+1013, TIC 312110166
| Parameter | Unit | Gaia EDR3 | 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 21 57.61 (0.4) | 09 21 57.62 | 09 21 57.61 (1) | 09 21 57.64 | 09 21 57.63 (0.4) | 09 21 57.64 | 09 21 57.55 | 09 21 57.64 | ||
| Declination | 10 13 51.45 (0.4) | 10 13 51.60 | 10 13 51.45 (2) | 10 13 51.71 | 10 13 51.60 (0.4) | 10 13 51.76 | 10 13 46.56 | 10 13 51.76 | ||
| Spectral type | DA+M | DA+dMe | DA+M | DA dM | DA+M | |||||
| Effective temperature | [K] | 14560.0 (2933) | 6300.0 (1) | 6300.0 (3) | ||||||
| log(g) | [cgs] | 8.28 (0.6) | 8.81 (0.1) | 10.00 (0.007) | ||||||
| Mass | [M☉] | 0.79 (0.3) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.47 (0.4) | 2.47 (0.4) | |||||||
| Distance | [pc] | 404.14 (61) | 404.14 (61) | |||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -15.90688916 (0.4) | -15.907 (0.4) | 10.1 | ||||||
| Proper motion (declination) | [mas/yr] | -9.492105564 (0.4) | -9.492 (0.4) | -21.8 | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.34 (0.01) | |||||||||
| H magnitude | 15.82 (0.01) | |||||||||
| K magnitude | 15.52 (0.01) | |||||||||
| u magnitude | 20.98 (0.08) | 20.82 | 20.79 (0.09) | 20.82 (0.09) | 20.82 | 20.79 (0.09) | ||||
| g magnitude | 20.18 (0.02) | 20.21 | 20.19 (0.03) | 20.21 (0.03) | 20.21 | 20.19 (0.02) | ||||
| r magnitude | 19.62 (0.02) | 20.72 | 19.63 (0.03) | 20.71 (0.7) | 20.72 | 20.70 (0.7) | ||||
| i magnitude | 18.55 (0.01) | 18.74 | 18.24 (0.01) | 18.75 (0.1) | 18.75 | 18.73 (0.1) | ||||
| z magnitude | 17.82 (0.02) | 17.82 | 17.80 (0.02) | 17.82 (0.02) | 17.82 | 17.80 (0.02) | ||||
| G magnitude | 19.11 (0.07) | 19.15 | 19.11 (0.004) | |||||||
| BP magnitude | 20.06 (0.07) | 20.01 | ||||||||
| RP magnitude | 18.10 (0.02) | 18.09 | ||||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.027 | |||||||||
* 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.