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Last modified: 07/18/18

CXC/ACIS Operations

Welcome to our home page. ACIS, the Advanced CCD Imaging Spectrometer, is an instrument built by a team of scientists and engineers from the Massachusetts Institute of Technology's Center for Space Research and the Pennsylvania State University for the Chandra X-Ray Observatory. ACIS shares the Chandra focal plane with the High Resolution Camera. However, what you will find here is contact information and other resources relevant to the Chandra X-ray Observatory Center (CXC) ACIS Operations team members.

ACIS Operations Scientist On-Duty Schedule

Please consult the following table to determine the ACIS Operations scientist on-duty to contact for mission planning purposes or spacecraft emergencies:


Week Of Scientist Work Cell
Jul 16 - Jul 22 John ZuHone 6-1816 781-708-5004
Jul 23 - Jul 29 Catherine Grant 253-0797 617-584-2686
Jul 30 - Aug 5 Gregg Germain 6-1558 617-785-0976
Aug 6 - Aug 12 Paul Plucinsky 6-7726 617-721-4366
Aug 13 - Aug 19 Catherine Grant 253-0797 617-584-2686
Aug 20 - Aug 26 John ZuHone 6-1816 781-708-5004
Aug 27 - Sep 2 Richard Edgar 5-7249 617-866-8615
Sep 3 - Sep 9 Gregg Germain 6-1558 617-785-0976
Sep 10 - Sep 16 John ZuHone 6-1816 781-708-5004
Sep 17 - Sep 23 Richard Edgar 5-7249 617-866-8615
Sep 24 - Sep 30 Catherine Grant 253-0797 617-584-2686
Oct 1 - Oct 7 Paul Plucinsky 6-7726 617-721-4366

Contact and Leave Information

Operations Memos, Documents and Links

Non-Load Event Tracking

ACIS Thermal Models

ACIS Procedures


ACIS Orbital Fluence

Real-Time Telemetry Links

Current MP Schedules


Shift Reports

Related ACIS and Chandra Web Sites:

Solar Cycle Info
Solar Cycle data and predictions

Spacecraft Configuration and Constants

Standard Dither Pattern

Latest IP&CL - P014

Web Page Maintained by:
Gregg Germain, Paul Plucinsky, Richard Edgar, & Royce Buehler
(Please feel free to send us any comments or suggestions!)

The Chandra X-Ray Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory.
60 Garden Street, Cambridge, MA 02138 USA.    Email: cxcweb@head.cfa.harvard.edu
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