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Details for Revision 2
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Name
  T Ari  
AAVSO UID
000-BBF-469 (17655 observations)  
Constellation
Aries Sequence
J2000.0
02 48 19.74 +17 30 33.8  (42.08225 +17.50939) Search nearby
B1950.0 02 45 32.07 +17 18 05.9
Galactic coord. 158.659 -37.124
Other names

(Internal only)
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AAVSO 0242+17 ASAS J024820+1730.5 BD+16 351
HD 17446 HIP 13092 IRC +20049
RAFGL 379 SAO 93115  
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Variability type
M
Spectral type M6e-M8e
Mag. range
7.3 - 11.5 V
Discoverer --
Epoch
21 Nov 2002 (HJD 2452600) Ephemeris
Outburst --
Period 340 d
Rise/eclipse dur. 49%  (167 d)
Remarks
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1 Otero, Sebastian Alberto The best main period to represent the whole dataset in the AAVSO database from 1871 to 2017 is 320.5 d. but the period between 2002 and 2017 has been 314 d. There are also periods of 162.8 and 147.3 d.
2 GCVS Team P var. Max = 2417160 + 313.5d*E (JD2404800 - 17200); Max = 2434616 + 323.1d*E (JD2419400 - 34560). Since JD2436560 - see Table. <P> = 319.53d (JD2404800 - 44160). Sometimes A < 1.5m.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 T. Karlsson, Maxima of Mira stars --
3 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
 Legacy LPV Program
 LPV Program
Revision History
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3 Otero, Sebastian Alberto 2017-01-16 17:39 UTC Type, period and range from ASAS-3 and AAVSO data.
2 Admin, VSX 2010-01-04 23:43 UTC Update from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.