All names: [SGR2010] J1245+5845, Gaia EDR3 1578165911642144256, 2MASS J12451148+5845518, GALEX J124511.4+584552, SDSS J124511.47+584551.7, Gaia DR2 1578165911642144256, Gaia DR3 1578165911642144256, WD 1242+590, SDSS J124511.47+584551.8, TIC 150325125
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 45 11.46 (0.1) | 12 45 11.47 | 12 45 11.46 (0.1) | 12 45 11.48 (0.1) | 12 45 11.59 | |||
| Declination | 58 45 51.58 (0.1) | 58 45 51.78 | 58 45 51.59 (0.1) | 58 45 51.76 (0.1) | 58 45 48.60 | |||
| Spectral type | DA | DA:+M1 | ||||||
| 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] | 1.69 (0.1) | 1.41 (0.2) | 1.69 (0.1) | ||||
| Distance | [pc] | 591.43 (45) | 708.05 (92) | 591.44 (45) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -8.743535668 (0.1) | -8.821185377 (0.3) | -8.744 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -11.10902591 (0.1) | -10.71572532 (0.3) | -11.109 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.86 (0.07) | |||||||
| H magnitude | 15.36 (0.1) | |||||||
| K magnitude | 15.36 (0.2) | |||||||
| u magnitude | 20.80 (0.06) | 20.81 (0.07) | 20.81 | |||||
| g magnitude | 19.31 (0.01) | 19.33 (0.01) | 19.33 | |||||
| r magnitude | 18.23 (0.007) | 18.22 (0.008) | 18.22 | |||||
| i magnitude | 17.45 (0.006) | 17.45 (0.006) | 17.45 | |||||
| z magnitude | 17.00 (0.01) | 16.99 (0.01) | 16.99 | |||||
| G magnitude | 18.10 (0.04) | 18.10 | 18.10 (0.003) | |||||
| BP magnitude | 18.93 (0.04) | 18.93 | ||||||
| RP magnitude | 17.05 (0.009) | 17.05 | ||||||
| Pan g magnitude | 19.20 (0.01) | |||||||
| Pan r magnitude | 18.23 (0.004) | |||||||
| Pan i magnitude | 17.44 (0.003) | |||||||
| Pan z magnitude | 17.08 (0.009) | |||||||
| Pan y magnitude | 16.91 (0.01) | |||||||
| E(B-V) | 0.018 | |||||||
* 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.