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 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 090020 |ST Boo *|153039.23 +354704.3 |RRAB | 10.28 | 11.54 | |V |48500.1722 | | 0.622286 |15 |A7-F7 |HIP HIP | |-0.016 -0.013|2000.0 | |Hip |RR0 |ST Boo | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- _______________Cross-identifications:_______________ ST Boo = AN 1907.0172 | ST Boo = GSC 2570.00206 | ST Boo = HV 03013 | ST Boo = Hip 075942 | ____________________________________________________ Reference to a chart or photograph:HIP The Hipparcos and Tycho Catalogues (European Space Agency, 1997), ESA SP-1200 (CDS Cat. I/239) {1997ESASP1200.....E}
Reference to a study of the star:
HIP The Hipparcos and Tycho Catalogues (European Space Agency, 1997), ESA SP-1200 (CDS Cat. I/239) {1997ESASP1200.....E}
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Remark: [Fe/H] = -1.76. Blazhko effect, Pi = 284d [07238].
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