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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450127 |DD Lac *|224128.65 +401331.6 |BCEP | 5.16 | 5.28 | |V |43063.774 | | 0.1930924 |50 |B1.5III |00001 BD | |-0.001 -0.006|2000.0 | |Hip | |DD Lac |
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_______________Cross-identifications:_______________
DD Lac = BD +39 4912 |
DD Lac = BS 08640 |
DD Lac = FLM Lac 012 |
DD Lac = GSC 03218.02413 |
DD Lac = HD 214993 |
DD Lac = Hip 112031 |
DD Lac = SAO 072627 |
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Reference to a chart or photograph:
BD Bonner Durchmusterung, F.W.A. Argelander, Bonner Sternverzeichniss, 1 bis 4 Sektion, Astronomische Beobachtungen auf der Sternwarte de Kgl. Rhein/ Friedrich-Wilhelms-Unviersiaet zu Bonn (CDS Cat. I/122).
Reference to a study of the star:
00001. GCVS compilers.
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Remark:
VB A (B 9.2m, 69", 16deg). P var. Max = 2421914.178 +
0.19309018d*E - 0.001798d*10**(-8)*E**2 (JD2421400 -
37600) [05711]; since JD2443000 - see Table.
According to [09337] simultaneously the pulsations with
the following periods are observed (the corresponding AB
values are given in the brackets): P1 = 0.193082d (0.080m),
P2 = 0.197382d (0.034m), P3 = 0.182115d (0.020m),
P4 = 0.187438d (0.016m), P5 = 0.095109d (0.010m),
P6 = 0.23583d (0.008m). A var; 0.04m <= A <= 0.12m.
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