All names: SDSS J092200.70+181714.1, SDSS J092200.72+181714.3, LAMOST J092200.70+181714.1, TIC 86130486, SDSS J092200.71+181714.1, GALEX J092200.6+181713, WD 0919+185, 2MASS J09220070+1817144, Gaia DR3 632525606118100864, Gaia EDR3 632525606118100864, Gaia DR2 632525606118100864
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 22 00.71 (0.2) | 09 22 00.71 | 09 22 00.71 (0.3) | 09 22 00.71 | 09 22 00.71 (0.2) | 09 22 00.98 | 09 22 00.71 | ||||
| Declination | 18 17 14.13 (0.2) | 18 17 14.12 | 18 17 14.13 (0.3) | 18 17 14.10 | 18 17 14.27 (0.2) | 18 17 10.68 | 18 17 14.14 | ||||
| Spectral type | DA+M | DA+M | DA+dM | DA d | DA+M | ||||||
| Effective temperature | [K] | 10307.0 (342) | 6300.0 (2) | ||||||||
| log(g) | [cgs] | 8.67 (0.3) | 5.02 (0.03) | ||||||||
| Mass | [M☉] | 1.02 (0.2) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 2.18 (0.3) | 2.87 (0.3) | 2.18 (0.3) | |||||||
| Distance | [pc] | 458.64 (72) | 348.66 (41) | 626.00 (244) | 458.65 (72) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 7.72881774 (0.4) | 9.33236647 (0.5) | 7.729 (0.4) | |||||||
| Proper motion (declination) | [mas/yr] | -8.861840705 (0.3) | -8.910832393 (0.4) | -8.862 (0.3) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.24 (0.04) | ||||||||||
| H magnitude | 14.63 (0.05) | ||||||||||
| K magnitude | 14.36 (0.06) | ||||||||||
| u magnitude | 20.14 (0.04) | 20.15 | 20.13 (0.05) | 20.15 | 20.15 (0.05) | ||||||
| g magnitude | 19.24 (0.01) | 19.22 | 19.24 (0.01) | 19.22 | 19.25 (0.02) | ||||||
| r magnitude | 18.49 (0.008) | 18.50 | 18.49 (0.009) | 18.49 | 18.51 (0.02) | ||||||
| i magnitude | 17.33 (0.006) | 17.33 | 17.33 (0.006) | 17.32 | 17.35 (0.01) | ||||||
| z magnitude | 16.65 (0.01) | 16.65 | 16.66 (0.01) | 16.64 | 16.67 (0.02) | ||||||
| G magnitude | 18.17 (0.02) | 18.11 | 18.17 (0.004) | ||||||||
| BP magnitude | 19.04 (0.02) | 19.03 | |||||||||
| RP magnitude | 16.88 (0.008) | 16.89 | |||||||||
| Pan g magnitude | 19.15 (0.01) | ||||||||||
| Pan r magnitude | 18.49 (0.005) | ||||||||||
| Pan i magnitude | 17.35 (0.002) | ||||||||||
| Pan z magnitude | 16.78 (0.005) | ||||||||||
| Pan y magnitude | 16.49 (0.01) | ||||||||||
| E(B-V) | 0.029 | ||||||||||
* 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.