All names: 2MASS J23091773+4428592, TIC 173393823, Gaia DR3 1932007513881191168, WISEA J230917.71+442859.1, WDJ230917.74+442859.27, WISE J230917.71+442859.2, UCAC4 673-120972, Gaia DR2 1932007513880133504
| Parameter | Unit | Stilism | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|
| Right ascension | 23 09 17.74 (0.3) | 23 09 17.73 | ||
| Declination | 44 28 59.27 (0.4) | 44 28 59.22 | ||
| Spectral type | ||||
| Effective temperature | [K] | |||
| log(g) | [cgs] | |||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 40.35 (0.5) | 40.35 (0.5) | |
| Distance | [pc] | 24.78 (0.3) | 24.78 (0.3) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -6.273 (0.6) | -6.272938579 | |
| Proper motion (declination) | [mas/yr] | -3.01 (0.9) | -3.010138949 | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.58 (0.03) | |||
| H magnitude | 13.96 (0.04) | |||
| K magnitude | 13.94 (0.06) | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.76 (0.01) | 16.54 | ||
| BP magnitude | 17.23 | |||
| RP magnitude | 15.67 | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.001 | |||
* 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.