All names: LAMOST J123339.40+135943.2, Gaia DR2 3932175226733408000, PTF1 J123339.39+135943.8, Gaia DR3 3932175226733408000, TIC 87533517, A3 428, 2MASS J12333939+1359439, RMB 28, GALEX J123339.4+135943, [HCP84] U11
| Parameter | Unit | Guo et al. 2015 | Simbad |
|---|---|---|---|
| Right ascension | 12 33 39.39 (0.07) | ||
| Declination | 13 59 43.76 (0.06) | ||
| Spectral type | DA+M | DA+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] | 4.60 (0.09) | |
| Distance | [pc] | 217.23 (4) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -3.714 (0.09) | |
| Proper motion (declination) | [mas/yr] | 4.845 (0.09) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | 18.50 | ||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 14.14 (0.02) | ||
| H magnitude | 13.49 (0.03) | ||
| K magnitude | 13.22 (0.03) | ||
| u magnitude | 17.46 (0.009) | ||
| g magnitude | 17.19 (0.005) | ||
| r magnitude | 17.19 (0.006) | ||
| i magnitude | 16.40 (0.005) | ||
| z magnitude | 15.64 (0.006) | ||
| G magnitude | 16.68 (0.003) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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.