30 inch (0.76 m) mirror Lick Observatory, Mt. Hamilton, near San Jose, CA Funded by NSF, the Sylvia & Jim Katzman Foundation, AutoScope Corp., Sun Microsystems, Hewlett- Packard Co., the University of California (Berkeley and Santa Cruz), and NASA.
30 inch R-C telescope, f/8.2 Laser optical encoders Compact and light-weight Precise secondary maneuver 20 slot filter wheel Apogee AP7 camera, 6.7’ FOV, 0.8”/pix Off-axis guiding Automatic weatherstation TelescopeSecondaryCamerasWeatherstation Step motors Guider Apogee filterwheel
2.No. of images per night img/night 3. Interval distribution 1. No. of galaxies monitored: 14,000 7,500 (06/2004) Obs interval (days) No. of obs After Jun 2004
Who found the most nearby SNe? LOSS 427 SNe ( ) Zwicky 236 SNe ( ) Mueller 110 SNe ( )
KAIT Lick 40-in Lick 3-m Keck I/II 10-20% of time Photometry calibration 2-3 nights per month Calibration photometry 2 nights per month spectroscopy Occasional spectroscopy
Distribution of SN followup Some Good Great Total SN Ia SN II SN Ibc Total: 259 (As of May, 2005)
Program to respond to GRB alerts promptly Interrupt KAIT and take a pre-arranged sequence of images Reaching 19 th mag within 60s of alerts Unfiltered obs V, I, unfiltered limitation: small field of view 6.7’ x 6.7’ - Li et al. 2003
(Li, Filippenko, Chornock, & Jha 2003) GRB Obs started at t=105s 18 data points in 10 min One of the 2 GRBs with reverse shock emission detected
GRB /08/ /08/ /12/ /12/ /12/ /12/11 45 Trig date Resp. time(s)
x GRB ” off field ! t = 30st = 25 min GRB
SwiftLick Weather Lick Observatory May 19, 2005 GRB (GCN 3256): t = 66s GRB (GCN 3270): t = 40s Swift bursts:
Summary 1. a powerful SN search/followup engine 2. capable of catching GRB OA early KAIT is