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  UU Her  
000-BBX-795 (6904 observations)  
Hercules Sequence
16 35 57.30 +37 58 02.0  (248.98875 +37.96722) Search nearby
B1950.0 16 34 12.27 +38 04 04.9
Galactic coord. 60.873 +42.188
Other names

(Internal only)
AAVSO 1632+38 AN 175.1907 BD+38 2803
HIP 81272 HV 3016 SAO 65424
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Variability type
Spectral type F2Ib-G0
Mag. range
8.5 - 10.6 p
Discoverer --
22 May 1978 (HJD 2443651) Ephemeris
Outburst --
Period 80.1 d
Rise/eclipse dur. --
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1 Otero, Sebastian Alberto UU Her-type. Double mode. Fundamental period given. F1= 72.99 d. Period ratio 0.626.
2 GCVS Team [Fe/H] = -1.27. There was alternation of periods 90d and 71d [M.Beyer, Erg AN 11, N4, 1948.]; the period 45d [I.N.Latyshev, Astrofizika 2, 355, 1966.] was also noted. During JD2443611 - 44161 - see Table. Epoch of Min is given.
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1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
3 The pulsations of yellow semiregular variables. I - Double-mode behaviour
of UU Herculis
4 D.D.Seselov, Perem. Zvezdy Supplement 4, 267, 1982. 1982PZP.....4..267S
5 C.Payne-Gaposchkin, V.K.Brenton, S.Gaposchkin, HA 113, N1, 1943. 1943AnHar.113....1P
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Revision History
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3 Otero, Sebastian Alberto 2011-03-22 19:34 UTC Primary record creation. Period from reference. Range from reference, Hipparcos and AAVSO V-data.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.