Physics and Astronomy Classification Scheme 1999

97. Stars ( 0 Dok.)

• 97.10.-q Stellar characteristics and properties (see also 04.40.D Relativistic stars and 26 Nuclear astrophysics) ( 0 Dok. )

• 97.20.-w Normal stars (by class): general or individual ( 0 Dok. )

• 97.21.+a Pre-main sequence objects, young stellar objects (YSO's) and protostars (T Tauri stars, Orion Population, Herbig-Haro objects, Bok globules, bipolar outflows, cometary nebulae, etc.) (see also 98.38.F and 98.58.F Jets, outflows and bipolar flows in the Milky Way and external galaxies) ( 0 Dok. )

• 97.30.-b Variable and peculiar stars (including novae) ( 0 Dok. )

• 97.60.-s Late stages of stellar evolution (including black holes) (see also 04.40.D Relativistic stars) ( 0 Dok. )

• 97.80.-d Binary and multiple stars ( 0 Dok. )

• 97.82.-j Extrasolar planetary systems ( 0 Dok. )

• 97.90.+j Other topics on stars (restricted to new topics in section 97) ( 0 Dok. )