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2000JAVSO..28...31R - J. Am. Assoc. Variable star obs., 28, 31-33 (2000/January-0)
Comments on the apsidal period of V1647 Sagittarii.
ROMAN R.
Abstract (from CDS):
The apsidal motion of V1647 Sagittarii is reviewed and some doubts are put in evidence: for some photographic observed minima an absurd result is obtained (cosw ←1), and from the photoelectric and spectroscopic observations it is found that two values of the apsidal period (U = 727 and U = 648 years) have the same degree of probability. The binary system V1647 Sgr is therefore recomended for new series of photoelectric and spectroscopic observations.
Abstract Copyright: ∼
Journal keyword(s): V1647 Sagittarii, Apsidal Period
Simbad objects: 1
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