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Last modified: 11/19/17

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
Nov 13 - Nov 19 Paul Plucinsky 6-7726 617-721-4366
Nov 20 - Nov 26 Catherine Grant 253-0797 617-584-2686
Nov 27 - Dec 3 Gregg Germain 6-1558 617-785-0976
Dec 4 - Dec 10 Richard Edgar 5-7249 617-866-8615
Dec 11 - Dec 17 John ZuHone 6-1816 781-708-5004
Dec 18 - Dec 24 Catherine Grant 253-0797 617-584-2686
Dec 25 - Dec 31 Gregg Germain 6-1558 617-785-0976
Jan 1 - Jan 7 Richard Edgar 5-7249 617-866-8615
Jan 8 - Jan 14 John ZuHone 6-1816 781-708-5004
Jan 15 - Jan 21 Paul Plucinsky 6-7726 617-721-4366

Contact and Leave Information

Operations Memos, Documents and Links

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 Constants
Standard Dither Pattern
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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