Query= R Aqr GCVS Query forms
  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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040001 |R     Aqr *|234349.46 -151704.2 |M+ZAND    |  5.2    |  12.4      |            |V |54045.      |     |   390.             |41   |M5e-M8.5e+pec    |00001 00002|           |+0.033 -0.033|2000.0  | |Hip      |M+Sym     |R     Aqr |
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_______________Cross-identifications:_______________
R     Aqr     = BD   -16 6352                 |     
R     Aqr     = BS   08992                    |     
R     Aqr     = CRL  3136                     |     
R     Aqr     = GSC  6404.00077               |     
R     Aqr     = HD   222800                   |     
R     Aqr     = Hip  117054                   |     
R     Aqr     = IRAS 23412-1533               |     
R     Aqr     = IRC  -20642                   |     
R     Aqr     = MWC  0400                     |     
R     Aqr     = SAO  165849                   |     
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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 varies, current elements are given. SiO, OH, H2O maser. Porb = 44 years? In a nebula, has a jet. During certain time intervals several years long, too faint maxima and/or too bright minima, with the total range within two magnitudes.

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