All names: Gaia DR3 1023268712663247104, UCAC4 723-049897, 2MASS J09183428+5428208, SDSS J091834.26+542820.8, TIC 137670780, WD 0914+546, Gaia EDR3 1023268712663247104, Gaia DR2 1023268712663247104, WISEA J091834.25+542820.8, WISE J091834.26+542820.8, SBSS 0914+546
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 09 18 34.26 (0.02) | 09 18 34.26 (0.03) | 09 18 34.27 (0.02) | 09 18 34.13 | |||
| Declination | 54 28 20.76 (0.02) | 54 28 20.76 (0.03) | 54 28 20.88 (0.02) | 54 28 15.60 | |||
| Spectral type | DAB | DAB | |||||
| 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] | 0.22 (0.02) | 0.29 (0.04) | 0.22 (0.02) | |||
| Distance | [pc] | 4468.33 (466) | 3474.64 (477) | 4468.28 (465) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -5.379710417 (0.02) | -5.36 (0.06) | -5.38 (0.02) | |||
| Proper motion (declination) | [mas/yr] | -7.547421602 (0.02) | -7.59 (0.05) | -7.547 (0.02) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 14.77 (0.01) | ||||||
| V magnitude | 14.66 (0.01) | ||||||
| R magnitude | 14.94 (0.2) | ||||||
| I magnitude | |||||||
| J magnitude | 14.58 (0.03) | ||||||
| H magnitude | 14.62 (0.05) | ||||||
| K magnitude | 14.63 (0.07) | ||||||
| u magnitude | |||||||
| g magnitude | 14.61 (0.01) | ||||||
| r magnitude | 14.78 (0.01) | ||||||
| i magnitude | 14.99 (0.1) | ||||||
| z magnitude | |||||||
| G magnitude | 14.69 (0.001) | 14.71 | 14.69 (0.003) | ||||
| BP magnitude | 14.71 (0.001) | 14.71 | |||||
| RP magnitude | 14.67 (0.002) | 14.66 | |||||
| Pan g magnitude | 14.64 (0.003) | ||||||
| Pan r magnitude | 14.79 (0.008) | ||||||
| Pan i magnitude | 15.00 (0.003) | ||||||
| Pan z magnitude | 15.15 (0.004) | ||||||
| Pan y magnitude | 15.17 (0.006) | ||||||
| E(B-V) | 0.026 | ||||||
* 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.