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Name
  S Ara  
AAVSO UID
000-BCT-765 (1878 observations)  
Constellation
Ara Sequence
J2000.0
17 59 10.73 -49 26 00.5  (269.79471 -49.43347) Search nearby
B1950.0 17 55 19.10 -49 25 48.0
Proper motion
RA: -26.26 +/- 2.10 mas/yDec: -9.48 +/- 1.11 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 343.379 -12.448
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1751-49 AN 24.1900 ASAS J175911-4926.0
CD-49 11833 CPD-49 10361 GSC 08352-00201
HIP 88064    
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Variability type
RRAB/BL
Spectral type A5-F3
Mag. range
9.92 - 11.24 V
Discoverer --
Epoch
05 May 2003 (HJD 2452764.738) Ephemeris
Outburst --
Period 0.451848 d  (10.8444 h)
Rise/eclipse dur. 12%
Remarks
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1 Admin, VSX Period varies, the given current elements are valid after JD 2441000.
2 2005IBVS.5655....1W Blazhko period 49.5d.
3 GCVS Team (k - b)2 = 0.09. P var [H.Shapley, Harv Repr N67, 1930., T.D.Kinman, ROB N37, 1961.]. Max = 2416284.792 + 0.45188910d*E (JD2414000 - 19000);Max = 2419149.797 + 0.45188581d*E (JD2419000 - 30000) [C.Payne-Gaposchkin, HA 113, N3, 1954.]. Since JD2441000 - see Table. For the whole interval, with sufficient accuracy, Max = 2420047.2382 + 0.451888176d*E - 1.36d*10**(-10)*E**2 [T.D.Kinman, ROB N37, 1961.].
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References
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1 N.N Samus, E.N. Pastukhova, O.V. Durlevich, 2007, PZ 27, 6 2007PZ.....27....6S
2 D.M. Szczygiel, D.C. Fabrycky, 2007, MNRAS 377, 1263 2007MNRAS.377.1263S
3 Wils, P., Sodor, A., 2005, IBVS 5655 2005IBVS.5655....1W
4 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
5 J.Lub, AsAp Suppl 29, 345, 1977. 1977A&AS...29..345L
6 R.T.A.Innes, Cape Ann 9, p.II, 1903. --
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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 = 9.67H = 9.54K = 9.51J - K = 0.16
AllWISE W1 = 9.52W2 = 9.53W3 = 9.48W1 - W2 = -0.01
APASS-DR9 B = 10.75V = 10.46g' = 10.48r' = 10.19i' = 10.27B - V = 0.30
Images
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Supporting Documents
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Revision History
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6 Admin, VSX 2015-12-18 21:44 UTC Updated variability type to indicate Blazhko effect.
5 Otero, Sebastian Alberto 2012-04-16 15:34 UTC Period from ASAS-3 data.
4 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
3 Admin, VSX 2008-08-26 22:29 UTC Update from [2007PZ.....27....6S].
2 Admin, VSX 2007-03-23 15:57 UTC Update from [2005IBVS.5655....1W].
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.