6 citations · 6 across the 3 of their papers we have counts for
3 papers
The FUor star V2493 Cyg (HBC 722) -- eleven years at maximum brightness
Evgeni Semkov, Sunay Ibryamov, Stoyanka Peneva
At the time of stellar evolution, young stellar objects go through processes of increased activity and instability. Star formation takes place in several stages during which the st…
Long-term BVRI light curves of 5 pre-main sequence stars in the field of "Gulf of Mexico"
Sunay I. Ibryamov, Evgeni H. Semkov, Stoyanka P. Peneva
We present new data from BVRI photometric observations of five PMS stars during the period from April 2013 to July 2014. The stars are located in the field of NGC 7000/IC 5070 ("Gu…
The FUor Candidate V582 Aurigae: First Photometric and Spectroscopic Observations
Evgeni Semkov, Stoyanka Peneva, Michel Dennefeld
One of the most attractive events in the pre-main sequence evolution is the FU Orionis (FUor) outburst. Because only a small number of FUor stars have been detected to date, photom…