NNo GCVS J2000.0 Type Max Min I Min II Epoch Year Period M-m/D Spectrum References Other desig. p.m.(as/yr) Epoch Ident. New type GCVS
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840002 |S UMi *|152934.57 +783800.3 |M | 7.5 |< 13.2 | |V |45931. | | 331.0 |50 |M6e-M9e |00001 00002| |-0.032 +0.005|2000.0 | |Hip | |S UMi |
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_______________Cross-identifications:_______________
S UMi = BD +79 0467 |a
S UMi = CRL 1780 |
S UMi = GSC 4563.00519 |
S UMi = HD 139492 |
S UMi = HV 00054 |
S UMi = Hip 075847 |
S UMi = IRAS 15314+7847 |
S UMi = IRC +80030 |
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Reference to a chart or photograph:
00002. AAVSO Variable Star Charts, AAVSO, Cambridge, Massachusetts
Reference to a study of the star:
00001. GCVS compilers.
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Remark:
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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