2 papers
astro-ph2005
The Long-Term H Emission Line Variation in Eri
M. M. F. Vinicius, Nelson Vani Leister, Juan Zorec +1
The long-term variation of the H line in Eri has 14-15 years cyclic \bbe phase transitions. The disc formation time scales, interpreted as the periods during which the H…
astro-ph2005
Fast Rotation vs. Metallicity
Ronaldo Levenhagen, Nelson Vani Leister, Juan Zorec +1
Fast rotation seems to be the major factor to trigger the Be phenomenon. Surface fast rotation can be favored by initial formation conditions such as metal abundance. Models of fas…