All names: TIC 7146984, Gaia EDR3 4991902847324575488, Gaia DR3 4991902847324575488, EC 00166-4340, HE 0016-4340, Gaia DR2 4991902847324575488, USNO-B1.0 0465-00002983, GALEX J001906.1-432418, 2MASS J00190607-4324183, WD 0016-436
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 00 19 06.04 (0.2) | 00 19 06.04 (0.2) | 00 19 06.07 (0.2) | 00 19 05.83 | ||
| Declination | -43 24 18.59 (0.2) | -43 24 18.58 (0.2) | -43 24 18.37 (0.2) | -43 24 14.40 | ||
| Spectral type | DA2+dM | DA2+dM | ||||
| 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] | 7.50 (0.2) | 7.53 (0.3) | 7.50 (0.2) | ||
| Distance | [pc] | 133.42 (4) | 132.78 (5) | 133.42 (4) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -22.26863497 (0.2) | -21.86742962 (0.3) | -22.269 (0.2) | ||
| Proper motion (declination) | [mas/yr] | -13.76138004 (0.2) | -14.21092006 (0.3) | -13.761 (0.2) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 13.15 (0.03) | |||||
| H magnitude | 12.61 (0.03) | |||||
| K magnitude | 12.38 (0.03) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 15.25 (0.002) | 15.23 | 15.25 (0.003) | |||
| BP magnitude | 15.55 (0.002) | 15.52 | ||||
| RP magnitude | 14.55 (0.002) | 14.56 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.002 | |||||
* 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.