All names: Ci 20 1191, V* V1513 Cyg, CNS5 4975, NAME PM I20050+5426, GCRV 12463, TYC 3940-582-1, CSI+54-20039, [GKL99] 382, GEN# +9.80230026, ** MGN 1A, GJ 781, [RHG95] 3157, WDS J20050+5426A, ASCC 272947, PLX 4775.00, TIC 233342788, PLX 4775, LHS 482, PM J20050+5426, Gaia EDR3 2185710338703934976, USNO 355, JP11 5175, CSV 8421, 2MASS J20050227+5426037, UCAC4 723-068206, G 230-26, Ross 1069b, Gaia DR2 2185710338703934976, Gaia DR3 2185710338703934976, LFT 1521, EUVE J2005+54.4, Wolf 1130, GEN# +6.10010781, NLTT 48723, WD 2003+542, HIC 98906, LSPM J2005+5426, HIP 98906, WISEA J200500.79+542553.7, WEB 17561, 1RXS J200503.8+542609, USNO-B1.0 1444-00306296, PLX 4775.0, LTT 15889
| 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.