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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320004 |U Del *|204528.24 +180524.1 |SRB | 7.6 | 8.9 | |p | | | 110. : | |M5II-III |03767 00002| |+0.011 -0.010|2000.0 | |Hip | |U Del |
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_______________Cross-identifications:_______________
U Del = BD +17 4401 |
U Del = BS 07941 |
U Del = CRL 2641 |
U Del = GSC 1638.02504 |
U Del = HD 197812 |
U Del = Hip 102440 |
U Del = IRAS 20431+1754 |
U Del = IRC +20481 |
U Del = SAO 106458 |
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Reference to a chart or photograph:
00002. AAVSO Variable Star Charts, AAVSO, Cambridge, Massachusetts
Reference to a study of the star:
03767. S.Rucinski, Urania 33, N4, 116, 1962.
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Remark:
Mean brightness var, P = 1100d. According to [08993], the
period value 160d - 180d is more likely than 110d.
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