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  V0652 Her  
000-BDR-551 (17 observations)  
Hercules Sequence
16 48 04.70 +13 15 42.0  (252.01958 +13.26167) Search nearby
B1950.0 16 45 45.98 +13 20 56.2
Galactic coord. 31.331 +33.276
Other names

(Internal only)
2MASS J16480469+1315422 ASAS J164805+1315.7 BD+13 3224
FB 168 GSC 00974-00693 HIP 82236
PPM 132680 TYC 974-693-1  
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Variability type
Spectral type B1
Mag. range
10.5 - 10.61 V
Discoverer --
18 Jun 1974 (HJD 2442216.805) Ephemeris
Outburst --
Period 0.10800182 d  (2.592044 h)
Rise/eclipse dur. 30%  (0.7776 h)
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1 Otero, Sebastian Alberto Extreme Helium star. Period changes.
2 GCVS Team P var; nonlinear term: -45.80d*10**(-10)*E**2. Delta(m) var. Resembles PV TEL type stars but is a helium rich subdwarf. Epoch of Max is given. Secondary hump at the phase 0.5P.
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1 IBVS #5817 2008IBVS.5817....1J
2 Period changes in the pulsating extreme helium stars V652 Her and BX Cir 2005MNRAS.361..559K
3 D.Kilkenny, SAAO Circ N7, 70, 1983. 1983SAAOC...7...70K
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Revision History
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4 Otero, Sebastian Alberto 2011-10-31 01:04 UTC Reference added.
3 Otero, Sebastian Alberto 2011-10-31 01:01 UTC Period and range from 2005MNRAS.361..559K. Type from IBVS 5817.
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.