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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090004 |U Boo |145419.96 +174143.7 |SRB | 9.7 | 13.2 | |V | | | 204. |49 |M4e |N0039 GSC | |-0.009 -0.006|2000.0 | |Tyc2 |SR |U Boo |
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_______________Cross-identifications:_______________
U Boo = BD +18 2952 |a
U Boo = GSC 01481.00407 |
U Boo = IRAS 14520+1753 |
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Reference to a chart or photograph:
GSC B. M. Lasker, C. R. Sturch, B. J. McLean, et al., Astron. J. 99, 2019 (1990) (CDS Cat. I/254).
Reference to a study of the star:
N0039. L.L. Kiss, K. Szatmary, R.R. Cadmus Jr., J.A. Mattei, AsAp 346, No. 2, 542, 1999 {1999AA...346..542K}
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