New Emission Stars in B Cyg OB7

This is a continuation of a search for and study of emission objects in known dark clouds and star formation regions. New results are presented from a search for emission stars in the region of Cyg OB7 where 36 new emission stars have been discovered previously. The current observations were made ad...

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Bibliographic Details
Published in:Astrophysics 2016-12, Vol.59 (4), p.484-491
Main Authors: Melikian, N. D., Karapetian, A. A., Gomez, J.
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics
Astrophysics and Astroparticles
Astrophysics and Cosmology
Brightness
Clouds
Discovery and exploration
Emission
Emission analysis
Natural history
Nebulae
Observations and Techniques
Physics
Physics and Astronomy
Searching
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Star formation
Stars
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Summary:This is a continuation of a search for and study of emission objects in known dark clouds and star formation regions. New results are presented from a search for emission stars in the region of Cyg OB7 where 36 new emission stars have been discovered previously. The current observations were made adjacent to previously studied regions in the vicinity of the object HH 448. 26 new emission stars were found in three small regions with a combined area of 0.11 sq. deg. On an (H-K)-(J-H) two-color diagram these stars lie among the classical T Tau stars (CTTS) and T Tau stars with weak lines (WTTS). A strong change in brightness was recorded for one of the emission stars.
ISSN:0571-7256
1573-8191
DOI:10.1007/s10511-016-9451-8