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Name
T Ari
AAVSO UID
Constellation
J2000.0
B1950.0
02 45 32.12 +17 18 06.7
Proper motion
Galactic coord.
158.659 -37.124
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
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
SR
Spectral type
M6e-M8e
Mag. range
7.3 - 10.5 V
Discoverer
Georg Auwers (1870)
Epoch
Outburst
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Period
314 d
Rise/eclipse dur.
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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
Cannon, A. J., 1907, Second catalogue of variable stars
1907AnHar..55....1C
3
T. Karlsson, Maxima of Mira stars
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4
General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
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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 = 1.36 H = 0.41 K = 0.17 J - K = 1.19
AllWISE
W3 = -0.39 W4 = -1.51 W3 - W4 = 1.11
APASS-DR9
B = 10.96 V = 9.41 g' = 10.27 r' = 8.27 i' = 5.67 B - V = 1.55
Images
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Supporting Documents
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Campaigns/Programs
Legacy LPV Program
LPV Program
Revision History
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