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Name
  Y Per  
AAVSO UID
000-BBF-978 (38047 observations)  
Constellation
Perseus Sequence
J2000.0
03 27 42.40 +44 10 36.0  (51.92667 +44.17667) Search nearby
B1950.0 03 24 18.02 +44 00 12.1
Galactic coord. 150.275 -10.242
Other names

(Internal only)
AAVSO 0320+43 AN 68.1901 BD+43 726
HD 21280 HIP 16126  
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Variability type
M
Spectral type C4,3e(R4e)
Mag. range
8.1 - 11.3 V
Discoverer --
Epoch
02 Oct 1982 (HJD 2445245) Ephemeris
Outburst --
Period 248.6 d
Rise/eclipse dur. 48%  (119.328000000000 d)
Remarks
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1 GCVS Team P var. Max = 2414990 + 254.74d*E (JD2415000 - 18000); Max = 2418049 + 246.25d*E (JD2418000 - 22000); Max = 2422242 + 253.62d*E (JD2422000 - 41000); since JD2441000 - 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 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 9
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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