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 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 420001 |R Hya *|132942.78 -231652.8 |M | 3.5 | 10.9 | |V |43596. | | 388.87 |49 |M6e-M9eS(Tc) |00001 00002| |-0.061 +0.011|2000.0 | |Hip | |R Hya | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- _______________Cross-identifications:_______________ R Hya = ADS 08920 |A R Hya = BD -22 3601 | R Hya = BS 05080 | R Hya = CoD -22 09961 | R Hya = CRL 1627 | R Hya = GSC 6713.00024 | R Hya = GSC 6713.00031 | R Hya = GSC 6713.01308 | R Hya = HD 117287 | R Hya = Hip 065835 | R Hya = IRAS 13269-2301 | R Hya = IRC -20254 | R Hya = SAO 181695 | ____________________________________________________ Reference to a chart or photograph:
00002. AAVSO Variable Star Charts, AAVSO, Cambridge, MassachusettsReference to a study of the star:
00001. GCVS compilers.__________________________________________________________________
Remark: VB A (B 13.0m, 21.6", 324deg). SiO maser. P var. According to [00458]; Max = 2328201 + 486d*E (JD2328200 - 31120); Max = 2343512 + 507d*E (JD2343300 - 44800); Max = 2372678 + 485d*E (JD2372200 - 72700); Max = 2380447 + 477d*E (JD2380000 - 81400); Max = 2385160 + 461d*E (JD2384700 - 88000); Max = 2394350 + 448.6d*E (JD2393900 - 2402000); Max = 2403742 + 434d*E (JD2403300 - 04200); Max = 2406363 + 429.5d*E (JD2406000 - 11100); Max = 2413642 + 411d*E (JD2413200 - 14100); Max = 2416563 + 405.5d*E (JD2416100 - 23400); Max = 2424288 + 414.7d*E (JD2423400 - 28500). since JD2428500 - see Table.
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