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Name
S UMi
AAVSO UID
Constellation
J2000.0
B1950.0
15 31 27.57 +78 48 08.4
Proper motion
Galactic coord.
114.055 +35.614
Other names(Internal only)
AAVSO 1533+78A
ASASSN-V J152934.23+783759.9
BD+79 467
HD 139492
HIP 75847
HV 54
IOMC 4563000049
IRC +80030
RAFGL 1780
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Variability type
M
Spectral type
M6e-M9e
Mag. range
7.5 - <13.2 V
Discoverer
Williamina Fleming (1895)
Epoch
Outburst
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Period
331 d
Rise/eclipse dur.
50% (166 d)
Remarks
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1
GCVS Team
P var. Max = 2422604 + 321.9d*E (JD2413000 - 23000); Max = 2432200 + 331.5d*E (JD2423000 - 32800); Max = 2436080 + 322.5d*E (JD2433000 - 37000); Max = 2439011 + 326.5d*E (JD2437000 - 41500); since JD2441500 - see Table.
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References
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1
J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
2012arXiv1210.0821A
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.
Images
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Supporting Documents
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Campaigns/Programs
Legacy LPV Program
LPV Program
Revision History
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