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Details for Revision 3
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Name
  R Leo  
AAVSO UID
000-BBQ-798 (107711 observations)  
Constellation
Leo Sequence
J2000.0
09 47 33.49 +11 25 43.7  (146.88954 +11.42881) Search nearby
B1950.0 09 44 52.24 +11 39 40.0
Galactic coord. 223.721 +44.160
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0942+11 ASAS J094733+1125.8 BD+12 2096
HD 84748 HIP 48036 HR 3882
IRC +10215 LINEAR 17136546 LINEAR 17140231
LINEAR 17140455 LINEAR 17143546 RAFGL 1380
SAO 98769    
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Variability type
M
Spectral type M6e-M8IIIe-M9.5e
Mag. range
4.4 - 11.3 V
Discoverer Koch (1782)
Epoch
17 Oct 1979 (HJD 2444164.00) Ephemeris
Outburst --
Period 309.95 d
Rise/eclipse dur. 43%  (133 d)
Remarks
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1 GCVS Team P var. Max = 2385112 + 312.43d*E (JD2385100 - 2402500); Max = 2402929 + 314.33d*E (JD2402500 - 11500); Max = 2411416 + 308.93d*E (JD2411500 - 16500); Max = 2416984 + 317.84d*E (JD2416500 - 22500); Max = 2423328 + 312.75d*E (JD2422500 - 27000); Max = 2427081 + 307.40d*E (JD2427000 - 30000); Max = 2437337 + 312.13d*E (JD2430000 - 37500); since JD2437500 - see Table. SiO, H2O, OH maser.
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References
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1 L. Palaversa, Z. Ivezic, L. Eyer et al., 2013, arXiv:1308.0357
[astro-ph.GA]
2013arXiv1308.0357P
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 W. Ceraski, 1908, Nouvelles de la Science, Variétés 1908BSAFR..22..241C
4 W. Ceraski, 1908, Nouvelles de la Science, Variétés 1908BSAFR..22..241C
5 T. Karlsson, Maxima of Mira stars --
6 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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Supporting Documents
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Campaigns/Programs
 Binocular program
 Legacy LPV Program
 LPV Program
 LPV Humps
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2020-11-09 22:30 UTC Period and minimum magnitude from AAVSO data.
3 Billiaert, Bruno 2015-12-29 23:45 UTC discoverer added (1908BSAFR..22..241C)
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 Preserved original object data.