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 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 540073 |AT Mic *|204151.16 -322606.8 |UV | 11.4 | 12.90 | |U | | | | |M4.5Ve+M4.5Ve |05865 05288| |+0.269 -0.366|2000.0 | |Hip | |AT Mic | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- _______________Cross-identifications:_______________ AT Mic = CPD -32 06181 | AT Mic = CoD -32 16135 | AT Mic = GSC 07460.00137 | AT Mic = Gl 0799 |AB AT Mic = HD 196982 | AT Mic = Hip 102141 | AT Mic = SAO 212355 | AT Mic = X 20387-326 | ____________________________________________________ Reference to a chart or photograph:
05288. F.M.Bateson, A.F.Jones, I.Stranson, Charts for Southern Variables, ser. 5, 1968.Reference to a study of the star:
05865. W.E.Kunkel, IBVS N442, 1970.__________________________________________________________________
Remark: VB (A 10.83m V, M 4.5Ve; B 10.9m V, M 4.5Ve; a = 6.40", P = 675 yr, e = 0.60 [09381]. mu, Vr, pi - common with AU Mic. Unusually high freguency of flares allows to suppose that both components are variable. The range of combined brightness variation of the system is given in the Table.
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