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 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 720004 |U Sgr *|183153.33 -190730.3 |DCEP | 6.28 | 7.15 | |V |30117.925 | | 6.745226 |28 |F5Ib-G1.5Ib |06591 03609| |-0.004 -0.006|2000.0 | |Hip | |U Sgr | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- _______________Cross-identifications:_______________ U Sgr = BD -19 5047 | U Sgr = BS 06947 | U Sgr = CPD -19 06907 | U Sgr = GSC 06274.01601 | U Sgr = HD 170764 | U Sgr = Hip 090836 | U Sgr = SAO 161571 | ____________________________________________________ Reference to a chart or photograph:03609. A. Sandage, ApJ 131, N3, 610, 1960 {1960ApJ...131..610S}
Reference to a study of the star:
06591. E.G. Schmidt, ApJ 165, 335, 1971 {1971ApJ...165..335S}
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Remark: The member of the open cluster M25 (IC 4725). P var. Max = 2416628.046 + 6.744925d*E (JD2404480 - 30115) [00765]; since JD2430115 - see Table. [A/H] = 0.1.
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