All names: Gaia DR3 4008796373846601728, TYC 1991-1355-1, AP J12281616+2625457, NGP 27 106, LAMOST J122816.53+262545.7, Gaia DR1 4008796373846601728, 2MASS J12281616+2625457, Gaia DR2 4008796373846601728, Cl* Melotte 111 AV 1777, TIC 393806946
| Parameter | Unit | Guo et al. 2015 | Simbad |
|---|---|---|---|
| Right ascension | 12 28 16.15 (0.01) | ||
| Declination | 26 25 45.74 (0.02) | ||
| Spectral type | DA? | G7 | |
| 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] | 4.24 (0.02) | |
| Distance | [pc] | 235.70 (1) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -46.739 (0.02) | |
| Proper motion (declination) | [mas/yr] | 6.306 (0.02) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 12.25 (0.2) | ||
| V magnitude | 11.51 (0.1) | ||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 10.38 (0.03) | ||
| H magnitude | 10.03 (0.03) | ||
| K magnitude | 9.97 (0.02) | ||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 11.50 (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.