All names: Gaia DR3 3893445990501409920, Gaia EDR3 3893445990501409920, 2MASS J12102252+0257081, TIC 366700291, Gaia DR2 3893445990501409920, SDSS J121022.51+025708.1, WD 1207+032, SDSS J121022.51+025708.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 10 22.51 (0.2) | 12 10 22.51 | 12 10 22.51 (0.2) | 12 10 22.51 (0.2) | 12 10 22.61 | |||
| Declination | 02 57 08.28 (0.1) | 02 57 08.28 | 02 57 08.28 (0.1) | 02 57 08.31 (0.1) | 02 57 00.72 | |||
| 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] | 0.59 (0.2) | 0.11 (0.2) | 0.59 (0.2) | ||||
| Distance | [pc] | 1702.26 (495) | 8742.17 (16996) | 1702.13 (495) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -3.512875214 (0.2) | -3.901370571 (0.6) | -3.513 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -1.836035282 (0.1) | -1.437614558 (0.2) | -1.836 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.57 (0.1) | |||||||
| H magnitude | 16.08 (0.2) | |||||||
| K magnitude | ||||||||
| u magnitude | 18.74 (0.02) | 18.71 (0.02) | 18.69 | |||||
| g magnitude | 18.68 (0.009) | 18.67 (0.009) | 18.69 | |||||
| r magnitude | 18.29 (0.008) | 18.28 (0.008) | 18.28 | |||||
| i magnitude | 18.10 (0.009) | 18.07 (0.009) | 18.05 | |||||
| z magnitude | 18.00 (0.02) | 17.98 (0.02) | 17.97 | |||||
| G magnitude | 18.27 (0.02) | 18.29 | 18.27 (0.003) | |||||
| BP magnitude | 18.57 (0.02) | 18.51 | ||||||
| RP magnitude | 17.75 (0.02) | 17.74 | ||||||
| Pan g magnitude | 18.63 (0.004) | |||||||
| Pan r magnitude | 18.28 (0.005) | |||||||
| Pan i magnitude | 18.09 (0.006) | |||||||
| Pan z magnitude | 18.01 (0.009) | |||||||
| Pan y magnitude | 17.93 (0.01) | |||||||
| E(B-V) | 0.024 | |||||||
* 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.