TITLE: GCN CIRCULAR NUMBER: 17267 SUBJECT: Short burst found in ground analysis of Swift-BAT data DATE: 15/01/02 23:43:01 GMT FROM: Jay R. Cummings at NASA/GSFC/Swift J. R. Cummings reports on behalf of the Swift-BAT science team: A short burst occurred during a Swift slew at 15:23 on Jan 1, 2015. It triggered Fermi GBM, trigger number 441818617. A significant source was found in ground analysis of BAT slew data at RA, Dec 188.044, -10.956, which is RA (J2000) 12h 32m 10.5s Dec (J2000) -10d 57' 21" with an estimated 90% containment radius of 2.5 arcmin. The lightcurve shows a single peak with a T90 of 0.018 +- 0.006 seconds. There appears to be significant spectral lag. The spectrum seen in BAT is soft. The best fit function is a blackbody spectrum with kT = 9.6 +- 1.5 keV. A simple powerlaw fit has a photon index of 3.3 +- 0.5. The blackbody fit gives a fluence between 15-150 keV in 0.1 seconds of (2.3 +- 0.6) x 10^-8 ergs/cm^2. Errors are 90% confidence. A Swift TOO request has been submitted in order to determine the nature of the source.