SIMBAD references

G. Pignata, J. Maza, M. Hamuy, R. Antezana, L. Gonzalez, P. Gonzalez, P. Lopez, S. Silva, G. Folatelli, D. Iturra, R. Cartier, F. Forster, and S. Marchi, Universidad de Chile; B. Conuel, Wesleyan University; and D. Reichart, K. Ivarsen, A. Crain, D. Foster, M. Nysewander, and A. LaCluyze, University of North Carolina at Chapel Hill, on behalf of the CHASE project, report the discovery of an apparent supernova (mag approximately 14.5) on unfiltered images taken on Feb. 24.26 and 26.22 UT with the 0.41-m 'PROMPT 4' telescope located at Cerro Tololo. The new object is located at R.A. = 13:56:45.33 ± 0".1, Decl. = -48:29:36.2 ± 0".1 (equinox 2000), which is about 3".6 east and 13".8 north of the center of the galaxy ESO 221-18. Nothing is visible at this position on archival images taken on Jan. 17.25 and Feb. 11.20 (limiting mag 18.5).