| Version | $Revision: 1.2 $ | 
| Last Update | $Date: 2001/11/08 14:46:10 $ | 
| HRC CCB Status | not reviewed | 
Number: HRC-L-003
Type: Limitation
Original Date: 1998 May 28
Subsystem: HRC
Subject: HRC Door Operation during ACIS Observations
Source: e-mail from J. Donaghy - IF1-20 section 3.4.2.1.1
CRL Statement:
The HRC door may not be moved during times when ACIS is observing
celestial sources. 
CRL Rationale/Justification:
IF1-20 section 3.4.2.1.1 - "Observatory constraints will be to prevent
operation of the HRC door while ACIS  is taking measurements."
CRL Impact:
Operation of the HRC door perturbs AXAF pointing stability degrading
X-ray image reconstruction. 
Recommended Action:
Incorporate into mission planning for ACIS observations.
$Log: hrc-l-003.html,v $
Revision 1.2  2001/11/08 14:46:10  juda
HTML "href" tag edits to convert to soft links
Revision 1.1  1998/06/01 21:02:42  juda
Initial revision
Page created 1998 June 1
Dr. Michael
Juda
Harvard-Smithsonian Center for Astrophysics
60 Garden Street, Mail Stop 70
Cambridge, MA 02138, USA
Ph.: (617) 495-7062
Fax: (617) 495-7356
E-mail: mjuda@cfa.harvard.edu