COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS Number 2756 Konkoly Observatory Budapest 5 July 1985 HU ISSN 0374 - 0676 COMPARISON STARS WHICH TURN OUT TO BE VARIABLE As reported in the IBVS No 2255, the Standard Star Newsletter edited by Laura E. Pasinetti for the Working Group on Standard Stars of the IAU Commissions 29, 30, 45, publishes regularly the list of comparison stars which turn out to be variable or suspected variable. Such stars are found in the papers of the main astronomical journals reviewed for the bibliography of the Newsletter. The following table reports the list of the stars reported in the Newsletters No1-6 (November 1982-May 1985) and the relative references. The observers are kindly requested to point out these objects for publication in the Newsletter, writing to the following address: Laura E. Pasinetti, Dipartimento di Fisica, Universita di Milano Via Celoria 16, 20133 Milano, Italy All contributors are acknowledged for this invaluable cooperation. LIVIO PASTORI Osservatorio Astronomico di Brera Via E. Bianchi 46 22055 Merate, Italia Table I: List of reference stars which turn out to be variable or suspected variable IDENTIFICATION REFERENCE HD 5210 Innis, J.L. et al.: 1984, IBVS No 2544 HD 8152 Sarma, M.B.K. et al.: 1982, IBVS No 2073 HD 13831 Garrido, R. et al.: 1982, IBVS No 2080 HD 27563 Manfroid, J., Mathys, G.: 1984, IBVS No 2551 HD 78616 Cousins, A.W.J.: 1982, IBVS No 2158 HD 85037 Renson, P.: 1983, IBVS No 2298 HD 93163 Megessier, C. et al.: 1983, Astron.Astrophys.Suppl. 54, 483 [BIBCODE 1983A&AS...54..483M ] HD 137147 Van Gent, R.H.: 1982, IBVS No 2140 HD 172268 Olah, K., Soliman, M.A.: 1984, IBVS No 2648 HD 174403 Turner, D.G.: 1983, IBVS No 2263 HD 192685 Pavloski, P. et al.: 1983, IBVS No 2431 HD 205328 Lelatko, I.: 1984, IBVS No 2568 HD 219989 Crawford, R.C. et al.: 1984, IBVS No 2624 BD + 37deg 443 Lolli, M. et al.: 1983, IBVS No 2325 BD + 43deg1894 Agerer, F. et al.: 1983, IBVS No 2370 BD + 60deg 562 Bartolini, C. et al.: 1982, IBVS No 2139 BD + 75deg 325 Bartolini, C. et al.: 1982 Astrophys. Space Sci. 83,287 [BIBCODE 1982Ap&SS..83..287B ]