All names: Gaia DR3 1026961491184605056, 2MASS J08370787+4856590, TIC 157262113, Gaia EDR3 1026961491184605056, SDSS J083707.87+485659.1, GALEX J083707.9+485659, WD 0833+491, WISEA J083707.88+485659.2, UCAC4 695-049168, Gaia DR2 1026961491184605056, WISE J083707.89+485659.3, SBSS 0833+491
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 08 37 07.88 (0.02) | 08 37 07.88 (0.02) | 08 37 07.88 (0.02) | 08 37 07.68 | |||
| Declination | 48 56 59.14 (0.02) | 48 56 59.14 (0.02) | 48 56 59.16 (0.02) | 48 56 55.68 | |||
| Spectral type | DAZ | DAZ | |||||
| 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] | 0.57 (0.03) | 0.58 (0.03) | 0.57 (0.03) | |||
| Distance | [pc] | 1754.37 (80) | 1728.01 (102) | 1754.39 (80) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -1.149927939 (0.02) | -1.09 (0.05) | -1.15 (0.02) | |||
| Proper motion (declination) | [mas/yr] | -1.458844865 (0.02) | -1.547 (0.04) | -1.459 (0.02) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 15.70 (0.08) | ||||||
| V magnitude | 15.11 (0.03) | ||||||
| R magnitude | 15.00 (0.09) | ||||||
| I magnitude | |||||||
| J magnitude | 14.00 (0.03) | ||||||
| H magnitude | 13.73 (0.04) | ||||||
| K magnitude | 13.67 (0.06) | ||||||
| u magnitude | |||||||
| g magnitude | 15.35 (0.03) | ||||||
| r magnitude | 14.99 (0.06) | ||||||
| i magnitude | 14.84 (0.04) | ||||||
| z magnitude | |||||||
| G magnitude | 14.95 (0.002) | 14.97 | 14.95 (0.003) | ||||
| BP magnitude | 15.25 (0.002) | 15.27 | |||||
| RP magnitude | 14.49 (0.001) | 14.50 | |||||
| Pan g magnitude | 15.27 (0.003) | ||||||
| Pan r magnitude | 14.95 (0.002) | ||||||
| Pan i magnitude | 14.84 (0.002) | ||||||
| Pan z magnitude | 14.83 (0.002) | ||||||
| Pan y magnitude | 14.81 (0.008) | ||||||
| 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.