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Name
  Z Oph  
AAVSO UID
000-BBY-808 (14581 observations)  
Constellation
Ophiuchus Sequence
J2000.0
17 19 32.12 +01 30 54.2  (259.88383 +1.51506) Search nearby
B1950.0 17 17 00.14 +01 33 55.4
Proper motion
RA: 6.79 +/- 1.48 mas/yDec: 6.23 +/- 0.80 mas/ySource: F. Van Leeuwen, 2007
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
ASASSN-V J171932.23+013053.5 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 V - 14 V
Discoverer W. Fleming
Epoch
09 Jul 1974 (HJD 2442238.0) Ephemeris
Outburst --
Period 348.7 d
Rise/eclipse dur. 40%  (139 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.
--
External Links
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Location    Go   
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 4.96H = 4.08K = 3.83J - K = 1.14
AllWISE W1 = 3.73W2 = 2.89W3 = 2.64W4 = 2.27W1 - W2 = 0.84W3 - W4 = 0.37
APASS-DR9 B = 12.02V = 10.95g' = 11.48r' = 10.28B - V = 1.07
SDSS-DR12 u = 13.60g = 10.34r = 8.12i = 11.22z = 7.22u - g = 3.26r - i = -3.10
Images
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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.