All names: 2MASS J00180859-6851194, TIC 394165002, SCR J0018-6851, Gaia DR2 4703336364212807552, Gaia DR3 4703336364212807552
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 00 18 09.21 | 00 18 08.59 (0.04) | |
| Declination | -68 51 19.19 | -68 51 19.23 (0.04) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 15481.0 (226) | |
| log(g) | [cgs] | 7.89 (0.01) | |
| Mass | [M☉] | 0.553 (0.01) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 8.97 | 8.97 (0.04) |
| Distance | [pc] | 111.54 | 111.54 (0.5) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 208.887 (0.05) | |
| Proper motion (declination) | [mas/yr] | 2.453 (0.05) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 16.55 | ||
| V magnitude | |||
| R magnitude | 16.47 | ||
| I magnitude | 16.48 | ||
| J magnitude | 16.63 (0.1) | ||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 16.33 | 16.33 (0.003) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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.