All names: RE J202415+200031, RE J2024+20, EUVE J2024+20.0, 2MASS J20241609+2000474, WD 2022+198, TIC 219604466, 2RE J2024+200, RX J2024.2+2000, WISE J202416.10+200047.5, WISEA J202416.10+200047.3, 2RE J202414+200102, RE J2024+200, UCAC4 551-121101, USNO-B1.0 1100-00511754
| Parameter | Unit | Stilism | Gianninas et al. 2011 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|
| Right ascension | 20 24 16.09 (60) | 20 24 14.11 | |||
| Declination | 20 00 47.47 (60) | 20 00 57.96 | |||
| Spectral type | DA | DA1.0 | DA1 | ||
| Effective temperature | [K] | 52970.0 (1094) | |||
| log(g) | [cgs] | 8.02 (0.07) | |||
| Mass | [M☉] | 0.71 (0.04) | |||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| 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] | ||||
| Distance | [pc] | 194.00 | |||
| Composition | H | ||||
| Proper motion (right ascension) | [mas/yr] | ||||
| Proper motion (declination) | [mas/yr] | ||||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | yes | ||||
| B magnitude | 16.40 | ||||
| V magnitude | 16.40 | ||||
| R magnitude | 16.40 | ||||
| I magnitude | |||||
| J magnitude | 14.37 (0.03) | ||||
| H magnitude | 13.85 (0.04) | ||||
| K magnitude | 13.60 (0.05) | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | |||||
| BP magnitude | |||||
| RP magnitude | |||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.015 | ||||
* 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.