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 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 450165 |EV Lac *|224649.73 +442002.4 |UV+BY | 8.28 | 11.83 | |B | | | | |M4.5Ve |03380 09349| |-0.705 -0.459|2000.0 | |Hip | |EV Lac | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- _______________Cross-identifications:_______________ EV Lac = BD +43 4305 | EV Lac = G 216-016 | EV Lac = GSC 03226.00519 | EV Lac = Gl 0873 | EV Lac = Hip 112460 | EV Lac = IRAS 22446+4404 | ____________________________________________________ Reference to a chart or photograph:09349. B.R. Pettersen, AJ 85, 871, 1980 {1980AJ.....85..871P}
Reference to a study of the star:
03380. P.F.Chygajnov, Izv Krymsk Astrofiz Obs 33, 215, 1965.__________________________________________________________________
Remark: VB A (B 12.74mB, 10", 260deg, 1949). Dark companion (A = 0.0206", P = 45 yr, E = 0.5) [09348]. In 1979 sinusoidal light oscillations were observed in the range 10.20m - 10.27mV: Min = 2444037.576 + 4.378d*E [09349]. In 1974 - 76 such periodicity was not observed [09350].
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