All names: 2MASS J09242072+1240315, Gaia DR2 593962469157016704, Gaia EDR3 593962469157016704, Gaia DR3 593962469157016704, TIC 55378739, WIRED J092420.72+124031.2, GALEX J092420.7+124032, SDSS J092420.72+124031.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 24 20.73 (0.2) | 09 24 20.72 | 09 24 20.73 (0.4) | 09 24 20.72 (0.2) | 09 24 20.72 | |||
| Declination | 12 40 31.26 (0.2) | 12 40 31.31 | 12 40 31.26 (0.3) | 12 40 31.30 (0.2) | 12 40 31.30 | |||
| Spectral type | DA+M | DA+M | ||||||
| Effective temperature | [K] | 6308.0 (13) | ||||||
| log(g) | [cgs] | 5.00 (0.008) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.40 (0.3) | 1.48 (0.4) | 1.40 (0.3) | ||||
| Distance | [pc] | 715.12 (135) | 676.82 (203) | 715.10 (135) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 8.284113909 (0.3) | 9.082 (0.6) | 8.284 (0.3) | ||||
| Proper motion (declination) | [mas/yr] | -2.371971803 (0.2) | -1.976 (0.5) | -2.372 (0.2) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.61 (0.06) | |||||||
| H magnitude | 14.90 (0.08) | |||||||
| K magnitude | 14.67 (0.1) | |||||||
| u magnitude | 18.85 (0.02) | 18.75 (0.02) | 18.75 (0.02) | |||||
| g magnitude | 18.45 (0.007) | 18.49 (0.02) | 18.49 (0.02) | |||||
| r magnitude | 18.02 (0.007) | 18.05 (0.02) | 18.05 (0.02) | |||||
| i magnitude | 17.25 (0.006) | 17.26 (0.03) | 17.26 (0.03) | |||||
| z magnitude | 16.74 (0.009) | 16.76 (0.02) | 16.76 (0.02) | |||||
| G magnitude | 17.76 (0.03) | 17.74 | 17.76 (0.005) | |||||
| BP magnitude | 18.27 (0.03) | 18.18 | ||||||
| RP magnitude | 16.83 (0.005) | 16.85 | ||||||
| Pan g magnitude | 18.41 (0.006) | |||||||
| Pan r magnitude | 18.02 (0.007) | |||||||
| Pan i magnitude | 17.28 (0.003) | |||||||
| Pan z magnitude | 16.84 (0.006) | |||||||
| Pan y magnitude | 16.64 (0.009) | |||||||
| E(B-V) | 0.028 | |||||||
* 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.