All names: TIC 8688489, Gaia DR3 699780499006366848, Gaia DR2 699780499006366848, GALEX J091132.2+303605, LAMOST J091132.23+303605.3, USNO-A2.0 1200-06248500, SDSS J091132.23+303605.3, Gaia EDR3 699780499006366848, 2MASS J09113224+3036053
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 11 32.21 (0.2) | 09 11 32.23 | 09 11 32.21 (0.3) | 09 11 32.23 | 09 11 32.24 (0.2) | 09 11 32.23 | |||
| Declination | 30 36 05.09 (0.1) | 30 36 05.33 | 30 36 05.10 (0.2) | 30 36 05.33 | 30 36 05.35 (0.1) | 30 36 05.34 | |||
| Spectral type | DA+M | DA+M | DA+M | ||||||
| Effective temperature | [K] | 12681.0 (443) | 7551.0 (35) | ||||||
| log(g) | [cgs] | 8.05 (0.1) | 5.00 (0.01) | ||||||
| Mass | [M☉] | 0.64 (0.09) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.99 (0.2) | 2.67 (0.4) | 2.99 (0.2) | |||||
| Distance | [pc] | 334.74 (25) | 374.04 (59) | 342.00 (30) | 334.74 (25) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -18.41305987 (0.2) | -18.97613894 (0.5) | -18.413 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | -16.64448892 (0.2) | -16.18025894 (0.4) | -16.644 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | 18.90 (0.3) | ||||||||
| V magnitude | |||||||||
| R magnitude | 18.60 (0.3) | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.99 (0.09) | ||||||||
| H magnitude | 15.62 (0.2) | ||||||||
| K magnitude | 15.25 (0.2) | ||||||||
| u magnitude | 19.61 (0.03) | 19.60 | 19.61 (0.03) | 19.60 (0.03) | |||||
| g magnitude | 19.03 (0.009) | 19.02 | 19.03 (0.009) | 19.02 (0.02) | |||||
| r magnitude | 18.69 (0.009) | 18.68 | 18.69 (0.009) | 18.68 (0.02) | |||||
| i magnitude | 17.93 (0.007) | 17.92 | 17.93 (0.007) | 17.92 (0.01) | |||||
| z magnitude | 17.37 (0.01) | 17.35 | 17.37 (0.01) | 17.35 (0.03) | |||||
| G magnitude | 18.33 (0.04) | 18.34 | 18.33 (0.003) | ||||||
| BP magnitude | 18.98 (0.04) | 18.87 | |||||||
| RP magnitude | 17.47 (0.01) | 17.47 | |||||||
| Pan g magnitude | 18.97 (0.01) | ||||||||
| Pan r magnitude | 18.68 (0.009) | ||||||||
| Pan i magnitude | 17.91 (0.004) | ||||||||
| Pan z magnitude | 17.43 (0.004) | ||||||||
| Pan y magnitude | 17.17 (0.007) | ||||||||
| E(B-V) | 0.019 | ||||||||
* 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.