All names: Gaia EDR3 874898964344272384, [SGR2010] J0745+2631, ATO J116.4527+26.5231, Gaia DR2 874898964344272384, ZTF J074548.65+263123.3, Gaia DR3 874898964344272384, SDSS J074548.63+263123.4, 2MASS J07454865+2631234, WD 0742+266, SDSS J074548.66+263123.4, TIC 393743079
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 45 48.65 (0.06) | 07 45 48.66 | 07 45 48.65 (0.08) | 07 45 48.66 (0.06) | 07 45 48.77 | |||
| Declination | 26 31 23.30 (0.06) | 26 31 23.44 | 26 31 23.31 (0.07) | 26 31 23.48 (0.06) | 26 31 21.72 | |||
| Spectral type | D+M2 | WD+M2 | ||||||
| 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] | 1.91 (0.07) | 1.81 (0.1) | 1.91 (0.07) | ||||
| Distance | [pc] | 523.03 (20) | 553.66 (30) | 523.04 (20) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -3.53776188 (0.08) | -3.651819441 (0.2) | -3.538 (0.08) | ||||
| Proper motion (declination) | [mas/yr] | -11.02575301 (0.07) | -11.31361132 (0.1) | -11.026 (0.07) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 14.49 (0.03) | |||||||
| H magnitude | 13.83 (0.04) | |||||||
| K magnitude | 13.57 (0.03) | |||||||
| u magnitude | 20.68 (0.05) | 20.61 (0.09) | 20.61 | |||||
| g magnitude | 18.96 (0.009) | 18.73 (0.009) | 18.73 | |||||
| r magnitude | 17.61 (0.006) | 17.40 (0.005) | 17.40 | |||||
| i magnitude | 16.65 (0.005) | 16.49 (0.004) | 16.49 | |||||
| z magnitude | 16.08 (0.007) | 15.89 (0.006) | 15.89 | |||||
| G magnitude | 17.09 (0.03) | 17.13 | 17.09 (0.007) | |||||
| BP magnitude | 18.18 (0.03) | 18.27 | ||||||
| RP magnitude | 16.05 (0.02) | 16.07 | ||||||
| Pan g magnitude | 18.62 (0.02) | |||||||
| Pan r magnitude | 17.43 (0.02) | |||||||
| Pan i magnitude | 16.48 (0.02) | |||||||
| Pan z magnitude | 15.99 (0.009) | |||||||
| Pan y magnitude | 15.83 (0.02) | |||||||
| E(B-V) | 0.029 | |||||||
* 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.