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Name
  OP Sco  
AAVSO UID
000-BFK-595 (No observations)  
Constellation
Scorpius Sequence
J2000.0
17 42 44.60 -44 59 57.0  (265.68583 -44.99917) Search nearby
B1950.0 17 39 04.32 -44 58 33.6
Galactic coord. 345.931 -7.851
Other names

(Internal only)
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ASAS J174245-4459.9 HV 6598  
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Variability type
M
Spectral type --
Mag. range
14.3 - <16.5 p
Discoverer --
Epoch
18 Jul 1925 (HJD 2424350) Ephemeris
Outburst --
Period 326 d
Rise/eclipse dur. --
Remarks
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 H.Shapley, H.H.Swope, HA 90, N5, 1934. 1940AnHar..90..177S
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Supporting Documents
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Stellar Association Membership
 Alessi 9 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
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.

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