TITLE: GCN CIRCULAR NUMBER: 15138 SUBJECT: IPN triangulation of GRB 130828A - error box DATE: 13/08/30 19:49:09 GMT FROM: Kevin Hurley at UCBerkeley/SSL K. Hurley and J. Goldsten, on behalf of the MESSENGER NS GRB team, S. Golenetskii, R. Aptekar, E. Mazets, V. Pal'shin, D. Frederiks, D. Svinkin, and T. Cline, on behalf of the Konus-Wind team, I. G. Mitrofanov, D. Golovin, M. L. Litvak, and A. B. Sanin, on behalf of the HEND-Odyssey GRB team, W. Boynton, C. Fellows, K. Harshman, H. Enos, and R. Starr, on behalf of the GRS-Odyssey GRB team, A. von Kienlin, X. Zhang, A. Rau, V. Savchenko, E. Bozzo, and C. Ferrigno, on behalf of the INTEGRAL SPI-ACS GRB team, K. Yamaoka, M. Ohno, Y. Hanabata, Y. Fukazawa, T. Takahashi, M. Tashiro, Y. Terada, T. Murakami, and K. Makishima on behalf of the Suzaku WAM team, S. Barthelmy, J. Cummings, N. Gehrels, H. Krimm, and D. Palmer, on behalf of the Swift-BAT team, and V. Connaughton, M. S. Briggs, C. Meegan, and V. Pelassa, on behalf of the Fermi GBM team, report: GRB 130828A (GCN 15128, 15129, 15130, 15132, 15133) was also observed by Mars Odyssey-HEND. We have triangulated this burst to the following 3 sigma error box, whose area is 28 square arcminutes: RA(2000) Dec(2000) 259.728=17 h 18 m 54 s 28.196= 28 o 11 ' 46 " 259.867=17 h 19 m 28 s 28.316= 28 o 18 ' 58 " 259.707=17 h 18 m 49 s 28.115= 28 o 06 ' 54 " 259.846=17 h 19 m 23 s 28.235= 28 o 14 ' 06 " The Swift XRT source (GCN 15135) lies outside this error box. A map has been posted at ssl.berkeley.edu/ipn3/130828A.