All names: LAMOST J122320.42+252924.6, Gaia DR2 4008318193663721600, Gaia DR3 4008318193663721600, 2MASS J12232042+2529246, Gaia EDR3 4008271666282056448, TIC 97757794, Gaia DR3 4008271666282056448
| Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|
| Right ascension | 12 23 28.06 (0.5) | 12 23 20.40 (0.06) | ||||
| Declination | 25 30 22.67 (0.6) | 25 29 24.60 (0.1) | ||||
| Spectral type | DAZ? | DAZ? | DA | |||
| Effective temperature | [K] | 34586.0 (435) | ||||
| log(g) | [cgs] | 7.33 (0.08) | ||||
| Mass | [M☉] | 0.4 (0.02) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 3.50 (0.7) | 3.11 (0.1) | |||
| Distance | [pc] | 285.54 (59) | 321.72 (11) | |||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -36.841 (0.7) | -107.199 (0.09) | |||
| Proper motion (declination) | [mas/yr] | -8.724 (0.7) | -7.636 (0.1) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 14.48 (0.03) | |||||
| H magnitude | 13.90 (0.03) | |||||
| K magnitude | 13.65 (0.04) | |||||
| u magnitude | 21.35 | |||||
| g magnitude | 18.75 | |||||
| r magnitude | 17.49 | |||||
| i magnitude | 16.30 | |||||
| z magnitude | ||||||
| G magnitude | 20.08 (0.007) | 17.00 (0.003) | ||||
| BP magnitude | 20.18 (0.09) | |||||
| RP magnitude | 19.92 (0.09) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.016 | |||||
* 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.