NNo GCVS J2000.0 Type Max Min I Min II Epoch Year Period M-m/D Spectrum References Other desig. p.m.(as/yr) Epoch Ident. New type GCVS
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310129 |DF Cyg *|194853.94 +430214.6 |RVB | 10.8 | 15.2 | |p |42255. | | 49.808 | |G5-K4I-II |09110 00119| |-0.006 -0.003|2000.0 | |Tyc2 | |DF Cyg |
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_______________Cross-identifications:_______________
DF Cyg = GSC 3144.00139 |
DF Cyg = GSC 3144.00794 |
DF Cyg = HV 04002 |
DF Cyg = IRAS 19472+4254 |
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Reference to a chart or photograph:
00119. S.Gaposchkin, HA 108, N1, 1939.
Reference to a study of the star:
09110. M. Harwood, HA 105, 521, 1937 {1937AnHar.105..521H}
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Remark:
P var [01177, 06107]. Mean
brightness varies: Min = 2411292 + 780.2d*E [01571].
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