All names: TIC 173393823, 2MASS J23091773+4428592, WISEA J230917.71+442859.1, Gaia DR2 1932007513880133504, WISE J230917.71+442859.2, Gaia DR3 1932007513881191168, WDJ230917.74+442859.27, UCAC4 673-120972
| 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.