All names: Gaia DR2 6615959586875261056, USNO-B1.0 0583-00907882, Gaia EDR3 6615959586875261056, TIC 229013625, UCAC4 292-220191, EC 21558-3150, HE 2155-3150, 2MASS J21584610-3136055, WD 2155-318, Gaia DR3 6615959586875261056, 2QZ J215846.1-313606
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Koester et al. 2009 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 58 46.09 (0.05) | 21 58 46.09 (0.07) | 21 58 46.09 | 21 58 46.10 (0.05) | 21 58 45.84 | |||
| Declination | -31 36 05.96 (0.05) | -31 36 05.95 (0.08) | -31 36 05.96 | -31 36 05.71 (0.05) | -31 36 01.80 | |||
| Spectral type | DA | DA | DA3.1 | |||||
| Effective temperature | [K] | 16302.0 (40) | 16019.0 (227) | |||||
| log(g) | [cgs] | 7.83 (0.009) | 8.02 (0.01) | |||||
| Mass | [M☉] | 0.627 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 8.87 (0.06) | 8.77 (0.1) | 8.87 | 8.87 (0.06) | |||
| Distance | [pc] | 112.72 (0.8) | 113.96 (1) | 112.72 | 112.72 (0.8) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -7.437039064 (0.06) | -7.200215125 (0.1) | -7.437 (0.06) | ||||
| Proper motion (declination) | [mas/yr] | -15.62835975 (0.06) | -15.47536232 (0.1) | -15.628 (0.06) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 16.06 | 15.10 | ||||||
| V magnitude | ||||||||
| R magnitude | 16.48 | |||||||
| I magnitude | ||||||||
| J magnitude | 16.93 (0.1) | |||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 16.48 (0.003) | 16.51 | 16.48 | 16.48 (0.003) | ||||
| BP magnitude | 16.44 (0.003) | 16.43 | ||||||
| RP magnitude | 16.61 (0.005) | 16.62 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.003 | |||||||
* 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.