All names: MCT 2100-3821, EC 21000-3821, Gaia DR3 6774392546650858624, Gaia EDR3 6774392546650858624, WDJ210314.57-380940.88, GALEX J210314.5-380940, TIC 115042302, 2MASS J21031458-3809409, Gaia DR2 6774392546650858624, UCAC4 260-196408, WD 2100-383
| Parameter | Unit | Gaia EDR3 | Bergeron et al. 2021 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 03 14.53 (0.04) | 21 03 14.53 (0.06) | 21 03 14.53 | 21 03 14.57 (0.04) | 21 03 14.53 | 21 03 13.78 | |||
| Declination | -38 09 41.82 (0.03) | -38 09 41.79 (0.05) | -38 09 41.82 | -38 09 40.88 (0.03) | -38 09 41.79 | -38 09 36.00 | |||
| Spectral type | DA | DA | DA | DA | |||||
| Effective temperature | [K] | 16250.0 (362) | 16352.0 (208) | ||||||
| log(g) | [cgs] | 8.12 (0.07) | 8.20 (0.01) | ||||||
| Mass | [M☉] | 0.687 (0.04) | 0.733 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 0.1945 | |||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| log(C/H) | |||||||||
| log(N/H) | |||||||||
| log(O/H) | |||||||||
| log(Na/H) | |||||||||
| log(Mg/H) | |||||||||
| log(Al/H) | |||||||||
| log(Si/H) | |||||||||
| log(P/H) | |||||||||
| log(S/H) | |||||||||
| log(Sc/H) | |||||||||
| log(Ti/H) | |||||||||
| log(Cr/H) | |||||||||
| log(Mn/H) | |||||||||
| log(Fe/H) | |||||||||
| log(Ni/H) | |||||||||
| Parallax | [mas] | 12.66 (0.05) | 12.46 (0.09) | 12.66 | 12.66 (0.05) | 12.46 (0.09) | |||
| Distance | [pc] | 79.00 (0.3) | 78.00 | 80.22 (0.6) | 79.00 | 79.00 (0.3) | 80.22 (0.6) | ||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -31.76759693 (0.05) | -31.50272308 (0.1) | -31.768 (0.05) | -31.50272308 | ||||
| Proper motion (declination) | [mas/yr] | -58.89385772 (0.04) | -58.78950305 (0.1) | -58.894 (0.04) | -58.78950305 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.91 (0.03) | ||||||||
| V magnitude | 15.75 (0.1) | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.22 (0.08) | ||||||||
| H magnitude | 15.93 (0.2) | ||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | 15.75 (0.05) | ||||||||
| r magnitude | 15.87 (0.04) | ||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 15.95 (0.005) | 15.97 | 15.95 | 15.95 (0.003) | 15.97 | ||||
| BP magnitude | 15.89 (0.005) | 15.88 | 15.88 | ||||||
| RP magnitude | 16.01 (0.009) | 16.03 | 16.03 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.004 | ||||||||
* 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.