All names: Gaia DR2 3063898487784976512, SDSS J080744.87-071437.2, GALEX J080744.8-071437, WIRED J080744.87-071437.2, Gaia EDR3 3063898487784976512, Gaia DR3 3063898487784976512, TIC 170304137, 2MASS J08074486-0714372
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 07 44.87 (0.03) | 08 07 44.87 | 08 07 44.87 (0.04) | 08 07 44.87 (0.03) | 08 07 44.87 | |||
| Declination | -07 14 37.21 (0.02) | -07 14 37.22 | -07 14 37.21 (0.02) | -07 14 37.21 (0.02) | -07 14 37.22 | |||
| Spectral type | DAZ | DAZ | ||||||
| Effective temperature | [K] | 14828.0 (44) | ||||||
| log(g) | [cgs] | 5.63 (0.01) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.21 (0.03) | 0.10 (0.04) | 0.21 (0.03) | ||||
| Distance | [pc] | 4801.54 (774) | 9671.18 (4087) | 4800.77 (774) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -1.161774234 (0.04) | -1.402 (0.09) | -1.162 (0.04) | ||||
| Proper motion (declination) | [mas/yr] | 0.350318181 (0.03) | 0.382 (0.05) | 0.35 (0.03) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 14.88 (0.04) | |||||||
| H magnitude | 14.59 (0.05) | |||||||
| K magnitude | 14.57 (0.08) | |||||||
| u magnitude | 16.95 (0.008) | 16.95 (0.01) | 16.95 (0.01) | |||||
| g magnitude | 15.69 (0.003) | 15.71 (0.008) | 15.71 (0.01) | |||||
| r magnitude | 15.62 (0.004) | 15.62 (0.01) | 15.62 (0.01) | |||||
| i magnitude | 15.63 (0.004) | 15.64 (0.008) | 15.64 (0.01) | |||||
| z magnitude | 15.62 (0.006) | 15.67 (0.01) | 15.67 (0.01) | |||||
| G magnitude | 15.58 (0.002) | 15.60 | 15.58 (0.003) | |||||
| BP magnitude | 15.74 (0.002) | 15.75 | ||||||
| RP magnitude | 15.30 (0.003) | 15.30 | ||||||
| Pan g magnitude | 15.70 (0.002) | |||||||
| Pan r magnitude | 15.65 (0.003) | |||||||
| Pan i magnitude | 15.66 (0.005) | |||||||
| Pan z magnitude | 15.67 (0.002) | |||||||
| Pan y magnitude | 15.63 (0.004) | |||||||
| E(B-V) | 0.063 | |||||||
* 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.