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Name
  SS Leo  
AAVSO UID
000-BBS-239 (5001 observations)  
Constellation
Leo Sequence
J2000.0
11 33 54.49 -00 02 00.0  (173.47704 -0.03333) Search nearby
B1950.0 11 31 20.83 +00 14 36.4
Proper motion
RA: -25.351 +/- 0.128 mas/yDec: -25.062 +/- 0.102 mas/ySource: Gaia DR1
Galactic coord. 265.314 +57.064
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1SWASP J113354.49-000200.0 AAVSO 1128+00 AN 69.1919
ASAS J113355-0002.0 HIP 56409 HV 3512
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Variability type
RRAB
Spectral type A7-F6
Mag. range
10.420 - 11.584 V
Discoverer --
Epoch
08 Apr 1973 (HJD 2441781.409) Ephemeris
Outburst --
Period 0.6263351 d  (15.03204 h)
Rise/eclipse dur. 12%  (1.804 h)
Remarks
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1 GCVS Team P var. Max = 2415485.723 + 0.62633242d*E (JD2414000 - 22000) [C.Payne-Gaposchkin, HA 113, N3, 1954.]; since JD2422000 - see Table. [Fe/H] = -1.59.
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References
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1 Greer, P. A.; Payne, S. G.; Norton, A. J.; et al., 2017, The SuperWASP
catalogue of 4963 RR Lyr stars: identification of 983 Blazhko effect
candidates
2017A&A...607A..11G
2 D.M. Szczygiel, G. Pojmanski, B. Pilecki, 2009, arXiv:0906.2199v1
[astro-ph.SR]
2009arXiv0906.2199S
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 N.Florja, Perem. Zvezdy 4, 73, 1933. --
5 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
External Links
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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 = 10.23H = 9.95K = 9.88J - K = 0.35
AllWISE W1 = 9.86W2 = 9.87W3 = 9.81W1 - W2 = -0.01
APASS-DR9 B = 11.68V = 11.25g' = 11.38r' = 11.17i' = 11.09B - V = 0.43
SDSS-DR12 u = 14.79g = 14.45r = 11.27i = 11.19z = 13.48u - g = 0.34r - i = 0.08
Images
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Supporting Documents
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Revision History
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3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-06-18 21:54 UTC Update from [2009arXiv0906.2199S].
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.