2005IBVS.5629....1K

We report a discovery of a short-periodic pulsating component in the Algol-type eclipsing binary system IU Per. Two new delta Scuti-type variables in the vicinity of IU Per, GSC 02858-02449 and GSC 02859-01458, were also found in the observing field. Kharchenko, N.V., 2001, All-sky Compiled Catalogue of 2.5 million stars (ASCC-2.5, 2nd version) Kim, S.-L., Lee, S.-W., 1996, A&A, 310, 831 Kim, S.-L., Lee, J.W., Kwon, S.-G., et al., 2003, A&A, 405, 231 Kim, S.-L., Lee, J.W., Kang, Y.B., et al., 2005, IBVS, 5628 Kreiner, J.M., 2004, Acta Astronomica, 54, 207 Mkrtichian, D.E., Kusakin, A.V., Rodriguez, E., et al., 2004, A&A, 419, 1015 Mkrtichian, D.E., Rodriguez, E., Olson, E.C., et al., 2005, Tidal evolution and oscillations in binary stars, eds., A., Claret, A., Gimenez and J.-P., Zahn, ASPC, 333, in press Monet, D., Bird, A., Canzian, B., et al., 1998, The USNO-A2.0 Catalogue Samus, N.N., Durlevich, O.V., et al., 2004, Combined General Catalog of Variable Stars (GCVS4.2, 2004 Ed.) Wilson, R.E., Devinney, E.J., 1971, ApJ, 166, 605