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 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 010023 |SW And *|002343.09 +292403.6 |RRAB | 9.14 | 10.09 | |V |53735.538 | | 0.4422618 |17 |A7III-F8III |00001 HIP | |-0.005 -0.019|2000.0 | |Hip |RR0 |SW And | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- _______________Cross-identifications:_______________ SW And = AN 1907.0005 | SW And = BD +28 0054 | SW And = GSC 1737.01702 | SW And = HV 01305 | SW And = Hip 001878 | SW And = SAO 073952 | ____________________________________________________ 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:
00001. GCVS compilers.__________________________________________________________________
Remark: [Fe/H] = -0.24. P varies, current elements are given. According to [N0037], Max = 2435249.25744 + 0.442270491d*E - 1.032 x 10^{-10}E*E.
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