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- Title
Photometric study of the FUor star V 1735 Cyg (Elias 1-12).
- Authors
Peneva, S. P.; Semkov, E. H.; Stavrev, K. Y.
- Abstract
Results from optical photometric observations of the PMS star V 1735 Cyg are reported. The star is located in the IC 5146 dark cloud complex—a region of active star formation. On the basis of observed outburst and spectral properties, V 1735 Cyg was classified as a FUor object. We present data from BVRI CCD photometric observations of the star, collected from March 2003 to January 2009. Plates from the Rozhen Schmidt telescope archive were scanned for a brightness estimation of the star. A sequence of sixteen comparison stars in the field of V 1735 Cyg was calibrated in BVRI bands. The data from photographic observations made from 1986 to 1992 show a strong light variability (Δ V=12). In contrast, the recent photometric data obtained from 2003 to 2009 show only small amplitude variations (Δ I=03). The analysis of existing photometric data shows a very slow decrease in star brightness—18 (R) for a 44 year period. The possibilities for future photometric investigations of V 1735 Cyg using the photographical plate archives is discussed briefly.
- Subjects
ASTRONOMICAL observations; STAR formation; STELLAR evolution; REFLECTING telescopes; CATADIOPTRIC systems
- Publication
Astrophysics & Space Science, 2009, Vol 323, Issue 4, p329
- ISSN
0004-640X
- Publication type
Article
- DOI
10.1007/s10509-009-0078-7