All names: TIC 75550309, 2MASS J12323995+4500233, Gaia EDR3 1541580005825510016, WISE J123239.91+450023.2, Gaia DR3 1541580005825510016, WD 1230+452, WISEA J123239.91+450023.2, Gaia DR2 1541580005825510016, SDSS J123239.95+450023.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 32 39.89 (0.06) | 12 32 39.95 | 12 32 39.89 (0.07) | 12 32 39.95 | 12 32 39.95 (0.06) | 12 32 39.58 | |||
| Declination | 45 00 23.08 (0.06) | 45 00 23.31 | 45 00 23.09 (0.08) | 45 00 23.31 | 45 00 23.36 (0.06) | 45 00 21.60 | |||
| Spectral type | WD+M | M3V | WD M | ||||||
| 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] | 2.56 (0.1) | 2.60 (0.1) | 2.56 (0.1) | |||||
| Distance | [pc] | 390.42 (15) | 384.95 (18) | 1157.00 (322) | 390.43 (15) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -41.10052311 (0.07) | -40.98855136 (0.1) | -41.101 (0.07) | |||||
| Proper motion (declination) | [mas/yr] | -17.87887486 (0.07) | -17.90378006 (0.1) | -17.879 (0.07) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 14.78 (0.04) | ||||||||
| H magnitude | 14.33 (0.05) | ||||||||
| K magnitude | 14.12 (0.08) | ||||||||
| u magnitude | 20.55 (0.06) | 20.74 | 20.55 (0.06) | 20.74 | |||||
| g magnitude | 18.84 (0.008) | 19.13 | 18.84 (0.008) | 19.13 | |||||
| r magnitude | 17.80 (0.006) | 18.03 | 17.80 (0.006) | 18.03 | |||||
| i magnitude | 16.76 (0.005) | 16.84 | 16.76 (0.005) | 16.84 | |||||
| z magnitude | 16.13 (0.008) | 16.18 | 16.13 (0.008) | 16.19 | |||||
| G magnitude | 17.60 (0.04) | 17.61 | 17.60 (0.003) | ||||||
| BP magnitude | 18.72 (0.04) | 18.60 | |||||||
| RP magnitude | 16.34 (0.007) | 16.35 | |||||||
| Pan g magnitude | 18.81 (0.009) | ||||||||
| Pan r magnitude | 18.07 (0.01) | ||||||||
| Pan i magnitude | 16.85 (0.005) | ||||||||
| Pan z magnitude | 16.26 (0.007) | ||||||||
| Pan y magnitude | 15.97 (0.009) | ||||||||
| 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.