All names: 2MASS J07195086+7427570, QSO J0719+7427, 1RXS J071949.7+742750, UVQS J071950.81+742757.0, WD 0713+745, Gaia EDR3 1112301494924909440, LEDA 20691, [VV96] J071950.9+742757, 2MASSI J0719508+742757, [HB93] 0713+745, Gaia DR2 1112301494924909440, WD 0713+74, WISEA J071950.81+742757.0, [VV2003] J071950.9+742757, KUG 0713+745, Gaia DR3 1112301494924909440, QSO B0713+745, Mrk 380, [VV98] J071950.9+742757, TIC 441573415, WISE J071950.80+742757.0, [VV2000] J071950.9+742757, [VV2010] J071950.9+742757, [VV2006] J071950.9+742757
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 07 19 50.84 (0.03) | 07 19 50.84 (0.04) | 07 19 50.84 (0.03) | 07 19 39.38 | ||
| Declination | 74 27 57.07 (0.03) | 74 27 57.07 (0.05) | 74 27 57.07 (0.03) | 74 27 31.68 | ||
| Spectral type | DA | |||||
| 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] | -0.04 (0.04) | 0.04 (0.06) | 0.04 (0.06) | ||
| Distance | [pc] | 23923.44 (33367) | 23923.44 (33367) | |||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 0.049166763 (0.03) | 0.152 (0.07) | 0.049 (0.03) | ||
| Proper motion (declination) | [mas/yr] | 0.010021203 (0.04) | -0.173 (0.09) | 0.01 (0.04) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 17.00 | |||||
| V magnitude | 17.00 | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 15.69 (0.07) | |||||
| H magnitude | 14.84 (0.07) | |||||
| K magnitude | 14.12 (0.07) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 16.11 (0.006) | 16.15 | 16.11 (0.003) | |||
| BP magnitude | 16.24 (0.006) | 16.25 | ||||
| RP magnitude | 15.79 (0.009) | 15.84 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.045 | |||||
* 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.