All names: WDJ210632.02-393556.68, MCT 2103-3947, Gaia DR2 6774018369099513216, Gaia EDR3 6774018369099513216, WD 2103-397, TIC 115108925, 2MASS J21063201-3935566, Gaia DR3 6774018369099513216, EC 21033-3947, LEHPM 2-1571
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Bergeron et al. 2021 | Gaia DR2 | Stilism | Subasavage et al. 2007 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 06 32.18 (0.03) | 21 06 32.17 (0.04) | 21 06 32.01 | 21 06 32.18 | 21 06 32.02 (0.03) | 21 06 32.17 | 21 06 32.16 | ||||
| Declination | -39 35 59.83 (0.02) | -39 35 59.73 (0.03) | -39 35 56.70 | -39 35 59.83 | -39 35 56.68 (0.02) | -39 35 59.73 | -39 35 49.92 | ||||
| Spectral type | DA | DA | DA6.5 | DA | DA6.5 | DA6.3 | |||||
| Effective temperature | [K] | 7804.0 (62) | 7779.0 (149) | 7986.0 (210) | 7787.0 (32) | ||||||
| log(g) | [cgs] | 8.13 (0.02) | 8.23 (0.2) | 8.13 (0.007) | |||||||
| Mass | [M☉] | 0.675 (0.01) | 0.736 (0.1) | 0.674 (0.006) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.6920 | |||||||||
| 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] | 39.60 (0.04) | 39.60 (0.04) | 39.61 (0.05) | 39.60 | 39.60 (0.04) | 39.61 (0.05) | ||||
| Distance | [pc] | 25.25 (0.02) | 25.25 (0.03) | 25.00 | 25.25 (0.03) | 28.20 | 25.25 | 25.25 (0.02) | 25.25 (0.03) | ||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 114.9223119 (0.04) | 114.9393686 (0.08) | 114.922 (0.04) | 114.9393686 | ||||||
| Proper motion (declination) | [mas/yr] | -196.6228392 (0.03) | -196.6602679 (0.06) | -196.623 (0.03) | -196.6602679 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.62 | ||||||||||
| V magnitude | 15.31 | ||||||||||
| R magnitude | 15.15 | ||||||||||
| I magnitude | 14.91 | ||||||||||
| J magnitude | 14.79 (0.03) | 14.79 (0.03) | |||||||||
| H magnitude | 14.63 (0.04) | 14.63 (0.04) | |||||||||
| K magnitude | 14.64 (0.08) | 14.64 (0.08) | |||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 15.23 (0.001) | 15.25 | 15.23 | 15.23 (0.003) | 15.25 | ||||||
| BP magnitude | 15.37 (0.001) | 15.37 | 15.37 | ||||||||
| RP magnitude | 14.98 (0.002) | 14.99 | 14.99 | ||||||||
| Pan g magnitude | |||||||||||
| Pan r magnitude | |||||||||||
| Pan i magnitude | |||||||||||
| Pan z magnitude | |||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.001 | ||||||||||
* 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.