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Details for Revision 2
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Name
  U Per  
AAVSO UID
000-BBD-357 (29306 observations)  
Constellation
Perseus Sequence
J2000.0
01 59 35.11 +54 49 20.0  (29.89629 +54.82222) Search nearby
B1950.0 01 56 14.94 +54 34 47.5
Galactic coord. 132.718 -6.749
Other names

(Internal only)
AAVSO 0152+54 BD+54 431 HD 12025
HIP 9306 HV 5 IRC +50050
RAFGL 280 SAO 22817  
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Variability type
M
Spectral type M5e-M7e
Mag. range
7.4 - 12.8 V
Discoverer --
Epoch
06 Apr 1982 (HJD 2445066) Ephemeris
Outburst --
Period 320.26 d
Rise/eclipse dur. 46%  (147.319600000000 d)
Remarks
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1 GCVS Team P var. Max = 2411683 + 316.10d*E (before JD2422500); Max = 2422748 + 326.53d*E (JD2422500 - 34000); since JD2434000 - see Table.
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References
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1 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
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
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Revision History
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3 Fernig, Leo 2022-02-18 22:10 UTC Discoverer updated from 1907AnHar..55....1C page 8
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 Initial upload.

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