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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590007 |X Oph *|183821.13 +085002.8 |M | 5.9 | 9.2 | |V |44729. | | 328.85 |53 |M5e-M9e |00001 00002| |-0.014 +0.027|2000.0 | |Hip | |X Oph |
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_______________Cross-identifications:_______________
X Oph = ADS 11524 |A
X Oph = BD +08 3780 |
X Oph = BS 07002 |
X Oph = CRL 2213 |
X Oph = GSC 1025.01976 |
X Oph = HD 172171 |
X Oph = Hip 091389 |
X Oph = IRAS 18359+0847 |
X Oph = IRC +10366 |
X Oph = SAO 123744 |
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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:
VBA (A = 0.34", Porb = 485.3 yr; B - 9m, K1III, 0.4",
142deg, 1980).
The range of the combined brightness is given.
P var. Max = 2416416 + 336.61d*E (JD2416400 - 26000);
Max = 2426161 + 331.28d*E (JD2426000 - 32500); Max =
2432788 + 335.50d*E (JD2432500 - 38000);
since JD2438000 - see Table.
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