Swift/UVOT Observations of SN2019lsm
ATel #12978; Nicole R. Crumpler (Duke University, Texas A&M REU), Peter J. Brown (Texas A&M, Mitchell Institute), Ori D. Fox (STScI)
on 1 Aug 2019; 19:02 UT
Credential Certification: Peter J. Brown (grbpeter@yahoo.com)
Subjects: Optical, Ultra-Violet, Supernovae
SN2019lsm, aka ASASSN-19sf, was discovered by ASAS-SN (Bersier et al. 2019, TNS report 42344) and classified by Frohmeier et al. (AstroNote 2019-58) as a type Ibn SN. The Neil Gehrels Swift Observatory observed SN2019lsm on 2019-08-01 beginning at 01:09:47 UT. We measured the following Vega magnitudes on the Swift system (Breeveld et al. 2011) using the pipeline for the Swift Optical Ultraviolet Supernova Archive (SOUSA; Brown et al. 2014):
Filter MJD Mag Magerr
UVW2 58696.1 17.36 0.08
UVM2 58696.1 17.19 0.09
UVW1 58696.1 17.04 0.09
U 58696.1 17.10 0.08
B 58696.1 18.33 0.11
V 58696.1 18.12 0.16
The UV-Optical colors are comparable to the Ibn SN2006jc (Immler et al. 2008).
