All names: 2MASS J20050227+5426037, LTT 15889, EUVE J2005+54.4, V* V1513 Cyg, LSPM J2005+5426, PLX 4775.00, Gaia DR2 2185710338703934976, CSI+54-20039, GCRV 12463, WEB 17561, USNO-B1.0 1444-00306296, LHS 482, WISEA J200500.79+542553.7, PM J20050+5426, ** MGN 1A, [RHG95] 3157, ASCC 272947, CNS5 4975, TYC 3940-582-1, GEN# +9.80230026, Gaia EDR3 2185710338703934976, UCAC4 723-068206, LFT 1521, Ci 20 1191, HIP 98906, CSV 8421, GEN# +6.10010781, WDS J20050+5426A, USNO 355, Wolf 1130, NAME PM I20050+5426, Ross 1069b, [GKL99] 382, GJ 781, HIC 98906, G 230-26, WD 2003+542, NLTT 48723, PLX 4775, TIC 233342788, JP11 5175, PLX 4775.0, Gaia DR3 2185710338703934976, 1RXS J200503.8+542609
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 20 05 00.07 (0.03) | 20 05 00.14 (0.04) | 20 05 02.20 (0.03) | 20 05 02.04 | ||
| Declination | 54 25 48.77 (0.02) | 54 25 49.22 (0.03) | 54 26 03.23 (0.02) | 54 25 01.56 | ||
| Spectral type | sdM1 | WD/M | ||||
| Effective temperature | [K] | |||||
| log(g) | [cgs] | |||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 60.30 (0.03) | 60.39 (0.03) | 60.30 (0.03) | ||
| Distance | [pc] | 16.58 (0.007) | 16.56 (0.009) | 16.58 (0.007) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -1159.523788 (0.04) | -1159.468 (0.08) | -1159.524 (0.04) | ||
| Proper motion (declination) | [mas/yr] | -904.0081399 (0.03) | -903.574 (0.07) | -904.008 (0.03) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | 11.97 | |||||
| V magnitude | 13.88 (0.007) | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 8.83 (0.02) | |||||
| H magnitude | 8.35 (0.02) | |||||
| K magnitude | 8.11 (0.02) | |||||
| u magnitude | ||||||
| g magnitude | 12.87 (0.01) | |||||
| r magnitude | 11.32 (0.01) | |||||
| i magnitude | 10.55 (0.01) | |||||
| z magnitude | ||||||
| G magnitude | 11.17 (0.001) | 11.18 | 11.17 (0.003) | |||
| BP magnitude | 12.23 (0.001) | 12.25 | ||||
| RP magnitude | 10.15 (0.0005) | 10.17 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.000 | |||||
* 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.