Additions/Updates to the HETG pages
| 1 October 2011 |
The HETG pages are generally no longer updated except for: HETG Post Docs , Quarterly Reports , Focus Trends Monitoring |
| 31 August 2010 |
Added an updated technote on HETG/ACIS focus: 100831 Zeroth-order 1D FWHM vs Time |
| 5 January 2010 |
Added an updated technote on HETG/ACIS focus: 100105 Zeroth-order 1D FWHM vs Time |
| 8 Oct. 2008 |
HETG Software page updated to mention TGCat and Event-2D.
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| 28 November 2007 |
Added an updated technote on HETG/ACIS focus: 071128 Zeroth-order 1D FWHM vs Time |
| 31 May 2007 |
Added technote describing software to visualize pileup level: 070531 pileup_color.sl for color-coded pileup images. |
| 17 May 2007 |
Added an updated technote on HETG/ACIS focus: 070517 Zeroth-order 1D FWHM vs Time |
| 7 Feb. 2007 |
Extended sources observed with HETG added to GTO page:
HETG GTO Science Program - Extended sources link added. |
| 16 Jan. 2007 |
Added link to HETG GTO observation table:
HETG GTO Science Program - Cy8; updated table. |
| 19 Oct. 2006 |
Added "E0102 for Calibration" pages:
E0102 for Calibration |
| 15 Aug. 2006 |
Added link to HETG GTO observation table:
HETG GTO Science Program - Cy8 |
| 28 July 2006 |
Added an updated technote on HETG/ACIS focus: 060728 Zeroth-order 1D FWHM vs Time |
| 24 Oct. 2005 |
Added an updated technote on HETG/ACIS focus: 051024 Zeroth-order 1D FWHM vs Time |
| 24 Oct. 2005 |
Added link to HETG GTO observation table:
HETG GTO Science Program - Cy7 |
| October 2005 |
HETG Post Docs web page added: HETG Post Docs |
| October 2005 July 2005 |
Publication of:
Canizares et al. 2005, PASP, 117, 1144: "The Chandra High Energy Transmission Grating: Design, Fabrication, Ground Calibration and Five Years in Flight". Available at ADS. (also at astro-ph/0507035 ) |
| 29 June 2005 |
HETG in-flight calibration web page updated: High Energy Transmission Grating Spectrometer Calibration |
| 10/26/2004 | Added an updated technote on HETG/ACIS focus: 041026 Zeroth-order 1D FWHM vs Time |
| 10/21/2004 | Added technote confirming new ACIS geom file (rolls and gaps): 040202 Chip gaps, rolls, and HEG-MEG period, Oct. 2004 |
| 7/14/2004 | HETG web pages' new design by Stargirl Designs rolled out. New content includes GTO Science Program web page and links to reports. |
| 7/6/2004 | Added an updated technote on HETG/ACIS focus: 040706 Zeroth-order 1D FWHM vs Time |
| 2/2/2004 | Added technote on ACIS OBF contamination: 040202 ACIS OBF contamination model, "fluffium" |
| 11/13/2002 | Added technote on chip gaps and the method: 021113 Chip gaps measurement with Capella obsid 2583 |
| 5/20/2002 | Added an updated technote on HETG/ACIS focus: 020520 Zeroth-order 1D FWHM vs Time |
| 5/22/2001 | Added new technote: 010522 Proton Exposure Testing of HETG Gratings |
| 3/29/2001 | Added new technote: 010227 HETGS Resolution, 2/27/01 |
| 2/27/2001 | Added an updated technote on HETG/ACIS focus: 010227 Zeroth-order 1D FWHM vs Time |
| 11/7/2000 | Added terse documentation of HETG N0004 grating efficiencies to HETG Efficiency page; these efficiencies are used by CIAO 2.0 and MARX 3.0 and above. |
| 9/22/2000 | Added new technote: 000922 ACIS Pixel-size change explains HETGS absolute wavelength error. |
| 8/28/2000 | One year of HETG operation complete! Created list of all HETG observations. |
| 7/6/2000 | Added new technote: 000713 Wings of the HETGS LRF |
| 7/6/2000 | Added new technote: 000706 HETGS Absolute Wavelengths - Preliminary |
| 6/19/2000 | Effect of not-full HETG insertion on June 15, 2000 |
| 5/4/2000 | HAK-MARX example updated for MARX 3.0; HAK version 1.4 available. |
| 5/4/2000 | HETG version N0004 efficiency files available from CIP Table. |
| 4/21/2000 | See also the new CXC Instruments and Calibration HETG web pages. |
| 4/4/2000 | Added an updated technote on HETG/ACIS focus: 000404 Zeroth-order 1D FWHM vs Time |
| 1/31/2000 | Updated MARX-HAK example for MARX release 2.5 (beta) |
| 1/18/2000 | Added new technote: 000118 Zeroth-order 1D FWHM vs Time |
| 1/17/2000 | 3C 273: HAK Observation Summary Output |
| 1/14/2000 | Press Release: Chandra Finds Oxygen and Neon Rings in Ashes of Exploded Star |
| 1/10/2000 | Added new technote: 000110 Measured and modelled zeroth-order 1D projections |
| 1/10/2000 | Updated HETG Status Notes |
| 1/7/2000 | Added What's New (this) Web Page |
