All names: Gaia DR3 710402816419548032, 2MASS J08420450+3342570, TIC 361921190, KUV 08389+3354, Gaia EDR3 710402816419548032, Gaia DR2 710402816419548032, WD 0838+338
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 08 42 04.52 (0.05) | 08 42 04.52 (0.06) | 08 42 04.52 (0.05) | 08 42 03.94 | ||
| Declination | 33 42 56.98 (0.03) | 33 42 56.99 (0.05) | 33 42 57.20 (0.03) | 33 42 56.16 | ||
| Spectral type | F2 | DQ | ||||
| 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] | 0.23 (0.07) | 0.27 (0.09) | 0.23 (0.07) | ||
| Distance | [pc] | 4336.81 (1354) | 3702.33 (1261) | 4336.51 (1354) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 3.681536194 (0.06) | 3.897 (0.1) | 3.682 (0.06) | ||
| Proper motion (declination) | [mas/yr] | -13.89242915 (0.05) | -13.93 (0.09) | -13.892 (0.06) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 16.70 | |||||
| V magnitude | 16.47 | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 15.71 (0.07) | |||||
| H magnitude | 15.83 (0.2) | |||||
| K magnitude | 15.70 (0.2) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 16.75 (0.005) | 16.76 | 16.75 (0.003) | |||
| BP magnitude | 16.98 (0.005) | 16.99 | ||||
| RP magnitude | 16.35 (0.005) | 16.34 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.025 | |||||
* 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.