All names: Gaia DR3 5740535438226802688, Gaia EDR3 5740535438226802688, 2MASS J09394969-0945562, TIC 47143484, WD 0937-095, NLTT 22301, LP 668-9, Gaia DR2 5740535438226802688
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 09 39 49.81 (0.06) | 09 39 49.81 (0.08) | 09 39 49.70 (0.06) | 09 39 51.17 | ||
| Declination | -09 46 00.26 (0.05) | -09 46 00.14 (0.07) | -09 45 56.52 (0.05) | -09 45 37.44 | ||
| Spectral type | DC | DC | ||||
| 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] | 2.74 (0.07) | 2.76 (0.09) | 2.74 (0.07) | ||
| Distance | [pc] | 364.92 (9) | 362.71 (12) | 364.91 (9) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 102.0611469 (0.08) | 101.877 (0.2) | 102.061 (0.08) | ||
| Proper motion (declination) | [mas/yr] | -233.9174388 (0.06) | -233.797 (0.1) | -233.917 (0.06) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | ||||||
| V magnitude | 18.40 | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 14.71 (0.03) | |||||
| H magnitude | 14.13 (0.04) | |||||
| K magnitude | 13.90 (0.05) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 16.66 (0.009) | 16.68 | 16.66 (0.003) | |||
| BP magnitude | 17.48 (0.009) | 17.51 | ||||
| RP magnitude | 15.79 (0.004) | 15.81 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.027 | |||||
* 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.