All names: WDJ231834.42-295809.84, Gaia DR3 2329827897596559360, UCAC4 301-275080, PHL 2209, TIC 218978885, [DWS97] Scl 1, Gaia DR2 2329827897596559360, UCAC2 19556565, 2MASS J23183441-2958098, GD 1555, Gaia EDR3 2329827897596559360
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 18 34.50 (0.03) | 23 18 34.50 | 23 18 34.50 | 23 18 34.42 (0.03) | 23 18 34.50 | |||
| Declination | -29 58 10.26 (0.03) | -29 58 10.25 | -29 58 10.26 | -29 58 09.84 (0.03) | -29 58 10.25 | |||
| Spectral type | DA | DA | ||||||
| Effective temperature | [K] | 15622.0 (187) | ||||||
| log(g) | [cgs] | 7.52 (0.01) | ||||||
| Mass | [M☉] | 0.385 (0.006) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 11.11 (0.04) | 10.98 (0.06) | 11.11 | 11.11 (0.04) | 10.98 (0.06) | ||
| Distance | [pc] | 89.98 (0.3) | 91.09 (0.5) | 89.98 | 89.98 (0.3) | 91.09 (0.5) | ||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 66.57961293 (0.03) | 66.89566329 (0.1) | 66.58 (0.03) | 66.89566329 | |||
| Proper motion (declination) | [mas/yr] | -26.45305072 (0.03) | -26.26656229 (0.09) | -26.453 (0.03) | -26.26656229 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.43 (0.02) | |||||||
| V magnitude | 15.27 (0.01) | |||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.64 (0.06) | |||||||
| H magnitude | 15.74 (0.1) | |||||||
| K magnitude | 15.71 (0.2) | |||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.34 (0.003) | 15.36 | 15.34 | 15.34 (0.003) | 15.36 | |||
| BP magnitude | 15.32 (0.003) | 15.31 | 15.31 | |||||
| RP magnitude | 15.42 (0.003) | 15.43 | 15.43 | |||||
| Pan g magnitude | 15.23 (0) | |||||||
| Pan r magnitude | 15.52 (0) | |||||||
| Pan i magnitude | 15.72 (0.003) | |||||||
| Pan z magnitude | 15.95 (0.005) | |||||||
| Pan y magnitude | 16.07 (0.02) | |||||||
| 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.