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Latest Details
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Name
  RY Sgr  
AAVSO UID
000-BCG-016 (47575 observations)  
Const. Sagittarius
J2000.0
19 16 32.77 -33 31 20.4  (289.13654 -33.52233) Search nearby
B1950.0 19 13 17.05 -33 36 42.2
Galactic coord. 4.431 -19.448
Other names

(Internal only)
2MASS J19163275-3331204 AAVSO 1910-33 ASAS J191633-3331.3
CD-33 14076 CPD-33 5553 HD 180093
HIP 94730 HR 7296 RAFGL 5559
SAO 211117 WISE J191632.84-333118.9  
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Var. type
RCB
Spec. type G0Iaep(C1,0)
Mag. range
5.8 - 14.0 V
Discoverer E.E. Markwick (1893)
Epoch
23 Jul 2007 (HJD 2454305.00) Ephemeris
Outburst --
Period 37.67
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
External Links
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 19 16 32.77 -33 31 20.4 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
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.

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