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Details for Revision 1
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Name
  RY Sgr  
AAVSO UID
000-BCG-016 (50563 observations)  
Constellation
Sagittarius Sequence
J2000.0
19 16 32.80 -33 31 20.0  (289.13667 -33.52222) Search nearby
B1950.0 19 13 17.09 -33 36 41.8
Galactic coord. 4.431 -19.448
Other names

(Internal only)
AAVSO 1910-33 ASAS J191633-3331.3 CD-33 14076
CPD-33 5553 HD 180093 HIP 94730
HR 7296 RAFGL 5559 SAO 211117
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Variability type
RCB
Spectral type G0Iaep(C1,0)
Mag. range
5.8 - 14 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team VB A (B 15.69m, 12"). There are pulsational light variations (0.1m < A < 1.5m) with the elements: Max = 2433670 + 38.6056d*E - 78d*10**(-5)*E**2. light curve [M.Verdenet, BAFOEV 17, N3, 106, 1981., M.W.Mayall, JRAS Can 66, 233, 1972.]; spectrum description [J.B.Alexander, P.J.Andrews, R.M. Catchpole, M.W.Feast, T.Lloyd Evans, J.W.Menzies, P.N.J.Wisse, M.Wisse, MN 158, 305-360, 1972.].
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References
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1 The All Sky Automated Survey 2002AcA....52..397P
2 H.G.Marraco, G.E.Milesi, AJ 87, 1775, 1982. 1982AJ.....87.1775M
3 E.C. Pickering, 1896, Harvard College Observatory Circular 7, 1 1896HarCi...7....1P
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Supporting Documents
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Campaigns/Programs
 Binocular program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Admin, VSX 2012-12-27 19:42 UTC Update from [1896HarCi...7....1P].
3 Otero, Sebastian Alberto 2012-11-23 16:45 UTC Period and epoch from ASAS-3 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.