All names: TIC 7647697, Gaia DR3 4844370755067765504, USNO-B1.0 0512-00038600, Gaia DR2 4844370755067765504, GALEX J041804.1-384518, 2MASS J04180415-3845195, WD 0416-388, HE 0416-3852, EC 04163-3852, Gaia EDR3 4844370755067765504
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Koester et al. 2009 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 18 04.21 (0.03) | 04 18 04.21 (0.03) | 04 18 04.21 | 04 18 04.15 (0.03) | 04 18 03.31 | |||
| Declination | -38 45 18.71 (0.03) | -38 45 18.74 (0.04) | -38 45 18.71 | -38 45 19.53 (0.03) | -38 45 15.12 | |||
| Spectral type | DA | DA | DA2.6 | |||||
| Effective temperature | [K] | 19324.0 (49) | 19258.0 (254) | |||||
| log(g) | [cgs] | 7.96 (0.01) | 7.96 (0.01) | |||||
| Mass | [M☉] | 0.598 (0.009) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 8.51 (0.03) | 8.54 (0.04) | 8.51 | 8.51 (0.03) | |||
| Distance | [pc] | 117.48 (0.5) | 117.05 (0.6) | 117.48 | 117.48 (0.5) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 43.67114949 (0.03) | 43.76350027 (0.08) | 43.671 (0.03) | ||||
| Proper motion (declination) | [mas/yr] | 51.13785303 (0.04) | 51.07999309 (0.08) | 51.138 (0.04) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 16.01 | 16.08 | ||||||
| V magnitude | 16.11 | |||||||
| R magnitude | 16.00 | |||||||
| I magnitude | ||||||||
| J magnitude | 16.46 (0.1) | |||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 16.15 (0.002) | 16.17 | 16.15 | 16.15 (0.003) | ||||
| BP magnitude | 16.07 (0.002) | 16.05 | ||||||
| RP magnitude | 16.32 (0.003) | 16.32 | ||||||
| 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.