All names: TIC 240277662, RX J2130.3+4709, Gaia EDR3 1978279601759271168, 2E 4482, RX J213018+47100, 2XMM J213018.4+471008, WD 2128+469, 2RXP J213018.4+471009, 2MASS J21301846+4710074, RX J2130.6+4710, 2E 2128.4+4657, Gaia DR2 1978279601759271168, Gaia DR3 1978279601759271168
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 21 30 18.44 (0.02) | 21 30 18.44 (0.02) | 21 30 18.47 (0.02) | 21 30 17.93 | ||
| Declination | 47 10 07.32 (0.02) | 47 10 07.33 (0.02) | 47 10 07.40 (0.02) | 47 10 07.32 | ||
| Spectral type | DA+M3.5/4Ve | DA+Me | ||||
| 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] | 12.50 (0.02) | 12.51 (0.03) | 12.50 (0.02) | 11.80 (50) | |
| Distance | [pc] | 80.03 (0.1) | 79.95 (0.2) | 80.03 (0.1) | 84.75 (359) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -16.44177589 (0.02) | -16.443 (0.04) | -16.442 (0.02) | ||
| Proper motion (declination) | [mas/yr] | -5.034440455 (0.02) | -4.98 (0.04) | -5.034 (0.02) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 11.19 (0.02) | |||||
| H magnitude | 10.55 (0.02) | |||||
| K magnitude | 10.35 (0.02) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 13.68 (0.002) | 13.68 | 13.68 (0.003) | |||
| BP magnitude | 14.52 (0.002) | 14.51 | ||||
| RP magnitude | 12.70 (0.002) | 12.71 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.008 | |||||
* 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.