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