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

Telescope Secondary Cameras Weatherstation

Step motors

Guider

Apogee filterwheel

2. No. of images per night

700-1300 img/night

3. Interval distribution

1. No. of galaxies monitored:

14,000 7,500 (06/2004)

Obs interval (days)

No.

of

obs

2001-2003 After Jun 2004

Who found the most nearby SNe?

LOSS 427 SNe (1998 - 2004)Zwicky 236 SNe (1940 - 1980)Mueller 110 SNe (1950 - 2000)

KAIT

Lick 40-in

Lick 3-m

Keck I/II

10-20% of time

Photometrycalibration

2-3 nights per month

Calibrationphotometry

2 nights per month

spectroscopy

Occasional

spectroscopy

Distribution of SN followup

Some Good Great Total

SN Ia 57 20 88 165

SN II 32 16 29 77

SN Ibc 2 3 12 17

Total: 259(As of May, 2005)

• Program to respond to GRB alerts promptly• Interrupt KAIT and take a pre-arranged sequence of images• Reaching 19th 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 021211• Obs started at t=105s• 18 data points in 10 min• One of the 2 GRBs with reverse shock emission detected

GRB 020813

2262 02/08/13 143 2262 02/08/13 63

2493 02/12/11 1082493 02/12/11 352493 02/12/11 232493 02/12/11 45

Trig date Resp. time(s)

x GRB 04092415” off field !

t = 30s t = 25 min

GRB 040924

Swift Lick Weather

Lick ObservatoryMay 19, 2005

GRB 050412 (GCN 3256): t = 66sGRB 050416 (GCN 3270): t = 40s

Swift bursts:

Summary

1. a powerful SN search/followup engine2. capable of catching GRB OA early

KAIT is