All names: SDSS J094824.54+275245.6, SDSS J094824.54+275245.7, 2MASS J09482455+2752447, TIC 98370338, WISE J094824.54+275245.6, Gaia EDR3 647341014201463936, WISEA J094824.53+275246.0, Gaia DR2 647341014201463936, WD 0945+281
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 48 24.55 (0.3) | 09 48 24.54 | 09 48 24.55 (0.3) | 09 48 24.54 | 09 48 24.22 | |||
| Declination | 27 52 45.76 (0.2) | 27 52 45.72 | 27 52 45.76 (0.3) | 27 52 45.72 | 27 52 37.92 | |||
| Spectral type | D+K | WD K | ||||||
| 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] | 0.47 (0.3) | 3.12 (0.4) | |||||
| Distance | [pc] | 2118.31 (1505) | 320.38 (45) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -3.73190856 (0.4) | -1.240590213 (0.6) | |||||
| Proper motion (declination) | [mas/yr] | -1.489905529 (0.3) | -3.451679486 (0.5) | |||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.81 (0.1) | |||||||
| H magnitude | 16.29 (0.2) | |||||||
| K magnitude | 16.07 (0.3) | |||||||
| u magnitude | 19.16 (0.02) | 19.16 (0.02) | 19.21 | |||||
| g magnitude | 18.91 (0.009) | 18.91 (0.009) | 19.00 | |||||
| r magnitude | 18.37 (0.008) | 18.36 (0.008) | 18.44 | |||||
| i magnitude | 18.08 (0.009) | 18.08 (0.009) | 18.15 | |||||
| z magnitude | 17.90 (0.02) | 17.91 (0.02) | 17.97 | |||||
| G magnitude | 18.59 (0.03) | 18.58 | ||||||
| BP magnitude | 18.77 (0.03) | 18.78 | ||||||
| RP magnitude | 17.76 (0.01) | 17.76 | ||||||
| Pan g magnitude | 18.93 (0.009) | |||||||
| Pan r magnitude | 18.42 (0.007) | |||||||
| Pan i magnitude | 18.13 (0.006) | |||||||
| Pan z magnitude | 18.03 (0.004) | |||||||
| Pan y magnitude | 17.93 (0.01) | |||||||
| E(B-V) | 0.020 | |||||||
* 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.