They replaced the previous division into seven sectors: "Sun", "Solar system", "Non-stationary stars", "Stellar atmospheres and envelopes", "Chemically peculiar stars", "Stellar clusters" and "Galaxies".
The old department was split into seven sections: "Sun", "Solar system", "Non-stable stars", "Atmospheres and envelopes of stars", "Chemically unique stars", "Stellar groups" and "Galaxies".