HET Observing Statistics

Trimester 2002A 2001C Ext. Eng 2001B 2001A
UT Dates 01/02/02
to
04/01/02
10/14/01
to
01/01/02
07/24/01
to
10/13/01
05/01/01
to
07/23/01
01/21/01
to
04/30/01
Possible Hours       346.00 481.35
Lost To Weather       78.34 (22.64%) 177.46 (36.87%)
Required for Engineering       0.00 (00.00%) 0.00 (00.00%)
Useable Weather       246.61 (71.27%) 294.23 (61.13%)
(Re-)Alignment       73.48 (29.80%) 82.02 (27.88%)
Acquisition       63.06 (25.57%) 66.44 (22.58%)
Science Exposure       94.55 (38.34%) 82.91 (28.18%)
Calibration during Night       7.58 (03.07%) 11.03 (03.75%)
Problems       20.52 (08.32%) 29.10 (09.89%)
Other       4.69 (01.90%) 1.59 (00.54%)
LRS Spectra and Images       555 934
HRS Spectra       344  
Instrument Commissioning          





Last updated: Sun, 08 Jan 2012 02:40:53 -0600 caldwell



Overview

The Telescope

Technical Overview

Object Observability

Performance

Instruments

HRS-2

HRS-2 Summary

HRS-2 Details

HRS-2 configurations

HRS-2 exposure meter

HRS-2 Position Angle and Fiber layout

HRS-2 Throughput

LRS2

LRS2 Summary

LRS2 Details

LRS2 Fiber Layout and Position Angle

LRS2 Throughput

LRS2 Observing details

VIRUS

VIRUS - Summary

VIRUS - Details

VIRUS - Throughput

VIRUS - Fiber Layout and Position Angle

Old Instruments

LRS - old

Wavelength Calibration

Program Preparation

Web Management System

Other HET Documentation