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Details for Revision 2
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Name
T UMi
AAVSO UID
Constellation
J2000.0
B1950.0
13 33 37.70 +73 41 11.9
Galactic coord.
118.714 +43.341
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1332+73
AN 57.1903
HD 118556
IRC +70119
NSVS J1334407+732551
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Variability type
M
Spectral type
M4e-M6e
Mag. range
7.8 - 15 V
Discoverer
Mrs. L. Ceraski (February 13, 1902)
Epoch
Outburst
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Period
301 d
Rise/eclipse dur.
45% (135 d)
Remarks
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1
Otero, Sebastian Alberto
Period decreased from 315 to 230 d. between 1980 and 2008 and then the pulsation mode switched from M to SR with P= 113 d. (2011A&A...531A..88U ). Range in 2016 is V= 10.0 - 11.9.
2
GCVS Team
P var. Max = 2428332 + 315.48d*E (JD2416500 - 29500); Max = 2436415 + 310.05d*E (JD2429500 - 37200); Max = 2442389 + 315.5d*E (JD2437200 - 43600); since JD2443600 - see Table.
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References
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1
Uttenthaler, S.; van Stiphout, K.; Voet, K.; et al., 2011, The evolutionary
2011A&A...531A..88U
2
P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004
2004AJ....128.2965W
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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External Links
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Location
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AAVSO Variable Star Plotter
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AAVSO WebObs
APASS
AAVSOnet EPD
SIMBAD
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Kamogata Wide-field Survey (KWS)
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Supporting Documents
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Campaigns/Programs
LPV Program
LPV Humps
Percy's Unusual LPVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
