He produced classic texts
on stellar structure, radiative transfer, the dynamics of stellar systems and other specialised topics.
Geoffrey R. Burbidge, as quoted by R. L. Sears and Robert R. Brownlee
in Stellar Structure, editors Lawrence H. Aller and Dean McLaughlin (Chicago: University of Chicago Press, 1965), p. 577.
As a next step, the astronomers plan to analyse the spectra of additional stars in the Tri-And and A13 overdensities, as well as stars in
other stellar structures further away from the disk.
Conny's research expertise concerns stellar astrophysics with focus
on stellar structure, stellar evolution, variable stars, and asteroseismology.
Supermassive black holes at the centers of galaxies formed in lockstep with
the stellar structures of the galaxies.
Among his prestigious awards is the Helen B. Warner Prize from the American Astronomical Society for fundamental work on
stellar structure, including nuclear burning on neutron stars, the role of neutron stars as gravity wave sources, and the theory of lithium depletion.