All names: 2RXP J200417.7-560246, 2EUVE J2004-56.0, 2RE J200417-560246, USNO-B1.0 0339-00806608, RE J2004-560, MCT 2000-5611, TIC 421990667, AO 2000-56, GALEX J200418.4-560247, GEN# +6.00226536, WD 2000-561A, WD 2000-561.1, WD 2000-562, Gaia DR3 6448025712768292992, EXO 2000.3-5611, RE J2004-56, 2MASS J20041825-5602479, Gaia EDR3 6448025712768292992, 1RXS J200425.2-560301, RE J200416-560215, BPM 26536, GSC 08780-01216, EUVE J2004-56.0, UCAC2 7419805, Gaia DR2 6448025712768292992, UCAC4 170-204522, 2RE J2004-560
| Parameter | Unit | Gaia EDR3 | Bergeron et al. 2021 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 04 18.40 (0.03) | 20 04 18.40 (0.04) | 20 04 18.40 | 20 04 18.26 (0.03) | 20 04 17.47 | |||
| Declination | -56 02 48.54 (0.03) | -56 02 48.52 (0.04) | -56 02 48.54 | -56 02 47.93 (0.03) | -56 02 42.00 | |||
| Spectral type | DA | DA | DA | DA | ||||
| Effective temperature | [K] | 42936.0 (1278) | 59862.0 (3929) | |||||
| log(g) | [cgs] | 7.74 (0.1) | 7.99 (0.03) | |||||
| Mass | [M☉] | 0.551 (0.05) | 0.705 (0.02) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | 0.0029 | ||||||
| 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] | 5.47 (0.04) | 5.47 (0.05) | 5.47 | 5.47 (0.04) | |||
| Distance | [pc] | 182.69 (1) | 182.00 | 182.88 (2) | 182.69 | 182.69 (1) | ||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | 76.84095654 (0.03) | 76.93524362 (0.08) | 76.841 (0.03) | ||||
| Proper motion (declination) | [mas/yr] | -37.73880068 (0.03) | -37.81445516 (0.07) | -37.739 (0.03) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | 15.72 (0.3) | |||||||
| I magnitude | ||||||||
| J magnitude | 15.93 (0.08) | |||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.23 (0.002) | 15.25 | 15.23 | 15.23 (0.003) | ||||
| BP magnitude | 15.07 (0.002) | 15.00 | ||||||
| RP magnitude | 15.54 (0.003) | 15.55 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.013 | |||||||
* 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.