Marrone, D. P., Baganoff, F. K., Morris, M. R., Moran, James M., Ghez, A. M., Hornstein, S. D., Dowell, C. D., Muñoz, D. J., Bautz, M. W., Ricker, G. R., Brandt, W. N., Garmire, G. P., Lu, J. R., Matthews, K., Zhao, J. -H, Rao, R., and Bower, G. C. 2008. "An X-Ray, Infrared, and Submillimeter Flare of Sagittarius A*." The Astrophysical Journal, 682 373–383. https://doi.org/10.1086/588806.