Imaginary dimensions in physics require an imaginary set of base Planck units and some negative parameter cn corresponding to the speed of light in vacuum c. Fresnel coefficients for the normal incidence of electromagnetic radiation on monolayer graphene introduce the second, negative fine-structure constant α2−1≈−140.178 as a fundamental constant of nature and this constant introduces these imaginary base Planck units along with this negative parameter cn≈−3.06×108 [m/s]. Neutron stars and white dwarfs, considered as objects emitting perfect black-body radiation, are conjectured to possess energy exceeding their mass-energy equivalence ratios, wherein the imaginary parts of two complex energies inaccessible for direct observation make storing excess of these energies possible. With this assumption, black holes are fundamentally uncharged; charged micro neutron stars and white dwarfs with masses lower than 5.7275×10−10 [kg] cannot be observed; and the radii of white dwarfs' cores are limited to RWD<6.7933 GMWD/c2. A black-body object is in the equilibrium of complex energies of mass, charge, and electromagnetic radiation if its radius Req≈2.7665 GMBBO/c2.