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7 papers · 1 filter
New eruptive variable in the massive star-forming region associated with IRAS 18507+0121 source
E. H. Nikoghosyan, N. M. Azatyan, K. G. Khachatryan
Aims. We report the discovery of a strong outburst of the embedded young stellar object (YSO), namely UKIDSS-J185318.36+012454.5, located in the star-forming region associated with…
Search for Compact Stellar Groups in the Vicinity of IRAS Sources
N. M. Azatyan, E. H. Nikoghosyan, K. G. Khachatryan
The results of a search for compact clusters in the vicinity of 19 IRAS sources based on data from the GPS UKIDSS and Spitzer GLIMPSE surveys are presented. Overall, clusters have…
KIC011764567: An evolved object showing substantial flare-activity
M. Kitze, A. A. Akopian, V. Hambaryan +2
We intensively studied the flare activity on the stellar object KIC011764567. The star was thought to be solar type, with a temperature of K, $\log(g) =…
Abundance trend with condensation temperature for stars with different Galactic birth places
V. Adibekyan, E. Delgado-Mena, P. Figueira +9
During the past decade, several studies reported a correlation between chemical abundances of stars and condensation temperature (also known as Tc trend). However, the real astroph…
Ret, its debris disk, and its lonely stellar companion Ret. Different trends for different spectra
V. Adibekyan, E. Delgado-Mena, P. Figueira +8
Several studies have reported a correlation between the chemical abundances of stars and condensation temperature (known as Tc trend). Very recently, a strong Tc trend was reported…
A new star-forming region in Canis Major
T. Yu. Magakian, T. A. Movsessian, J. Bally
A new southern star-formation region, located at an estimated distance of ~1.5 kpc in the Lynds 1664 dark cloud in Canis Major, is described. Lynds 1664 contains several compact st…