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Details for Revision 4
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Name
  Z Oph  
AAVSO UID
000-BBY-808 (14584 observations)  
Constellation
Ophiuchus Sequence
J2000.0
17 19 32.12 +01 30 54.2  (259.88383 +1.51506) Search nearby
B1950.0 17 17 00.16 +01 33 55.7
Galactic coord. 23.409 +21.059
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J17193212+0130540 AAVSO 1714+01 ASAS J171932+0130.9
BD+01 3417 DO 4267 EIC 7859
GSC 00400-00791 HD 156801 HIP 84763
HV 34 IOMC 0400000017 IRAS 17170+0133
TYC 400-791-1    
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Variability type
M
Spectral type K3ep-M7.5e
Mag. range
7.6 - 13.3 V
Discoverer W. Fleming
Epoch
09 Jul 1974 (HJD 2442238.0) Ephemeris
Outburst --
Period 350.2 d
Rise/eclipse dur. 40%  (140 d)
Remarks
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1 GCVS Team P var. Max = 2411896 + 349.0d*E (JD2411800 - 21000) [R.Prager, GuL 2, 1936.]; Max = 2420962 + 352.1d*E (JD2421000 - 25000); Max = 2425183 + 347.4d*E (JD2425000 - 31000); Mean elements after JD2431000 - see Table.
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References
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1 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2017ARep...61...80S
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 E.C. Pickering, 1894, AN 135, 161 1894AN....135..161P
5 T. Karlsson, Maxima of Mira stars --
6 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2020-05-24 17:13 UTC Period, rise duration and minimum magnitude from the GCVS (November 2019 version).
4 Otero, Sebastian Alberto 2014-03-04 02:37 UTC Period from ASAS-3 data. Minimum magnitude from AAVSO data.
3 Admin, VSX 2012-12-28 00:42 UTC Update from [1894AN....135..161P].
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.