All names: HE 2345-4810, Gaia EDR3 6524412152806190336, Gaia DR3 6524412152806190336, TIC 144382040, WD 2345-481, USNO-B1.0 0421-00952337, 2MASS J23474613-4753420, Gaia DR2 6524412152806190336, GALEX J234746.1-475340
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Koester et al. 2009 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 47 46.19 (0.02) | 23 47 46.19 (0.04) | 23 47 46.19 | 23 47 46.11 (0.02) | 23 47 46.15 | |||
| Declination | -47 53 41.70 (0.03) | -47 53 41.71 (0.04) | -47 53 41.70 | -47 53 42.17 (0.03) | -47 53 37.32 | |||
| Spectral type | DA | DA | DA1.7 | |||||
| Effective temperature | [K] | 29352.0 (35) | 29036.0 (394) | |||||
| log(g) | [cgs] | 7.32 (0.007) | 7.30 (0.02) | |||||
| Mass | [M☉] | 0.369 (0.005) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 4.05 (0.04) | 3.95 (0.07) | 4.05 | 4.05 (0.04) | |||
| Distance | [pc] | 246.79 (3) | 253.19 (4) | 246.79 | 246.79 (3) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 52.60994506 (0.03) | 52.64214178 (0.06) | 52.61 (0.03) | ||||
| Proper motion (declination) | [mas/yr] | 29.63403138 (0.04) | 29.59106959 (0.08) | 29.634 (0.04) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | 15.99 | 16.20 | ||||||
| V magnitude | ||||||||
| R magnitude | 15.50 | |||||||
| I magnitude | ||||||||
| J magnitude | 16.34 (0.1) | |||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.87 (0.002) | 15.89 | 15.87 | 15.87 (0.003) | ||||
| BP magnitude | 15.75 (0.002) | 15.70 | ||||||
| RP magnitude | 16.13 (0.003) | 16.13 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.007 | |||||||
* 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.