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Subject
- stellar flares[remove]70
- optical astronomy23
- photometry23
- infrared photometry15
- the sun15
- variable stars15
- wide-band photometry13
- stellar spectral types8
- x-ray sources8
- ultraviolet astronomy7
- eclipsing binary stars5
- open star clusters5
- dwarf stars4
- effective temperature4
- g stars4
- kron-cousins photometry4
- late-type stars4
- m stars4
- spectroscopy4
- magnetic fields3
