News about Science Data Product ForumWe would like to draw your attention about the existence of the Science Data Products internet forum which can be found at: http://www.eso.org/sci/data-processing/forum.html
On this page, we list the main changes that affected the instrument and this web site.
- September 2012. Important news for P90 and P91 users: the filter NB1190 has been removed to make space to the filter NB0984. P90 users who asked for NB1190 can use NB0984 instead. Be aware that NB0984 is a property of an ESO external team. Therefore, if you wish to apply for observing time with this filter, please get in touch with ESO (email@example.com) before submitting a proposal, to clarify permissions for the filter usage. Later we shall inform if and when NB1190 will be back.
- March 21 - May 3, 2012: Because of preparatory work for the installation of the Adaptive Optics Facility, Yepun is not available for operations. Observations with HAWK-I are therefore not possible.
- Dec 01, 2010: HAWK-I underwent an intervention and won't be available until Dec 05
- Mar 01, 2010: the fast photometry mode, suitable to study transit phenomena, is officialy offered. See the manual for continuous updates
- Nov 23, 2009: we are implementing a fast photometry mode, suitable to study transit phenomena. The mode will be offered for Period 86
- May 29, 2009: To be consistent with all VLT instruments, HAWKI has now a d ifferent offset scheme. Read carefully the P84 User Manual
- May 07, 2009: A few parameters controlling the readout mode of the instrument were changed. These parameters improve the ringing seen when observing bright sources. The parameters that have been changed are stored in the headers of the images and can be used to distinguish the mode used for a given file. These parameters are DET.RSPEED changed from 6 to 8 (effectively increasing the minimum DIT from 1.3 to 1.6; DET.VOLT1.DC6 was changed from 2.4 to 2.1 Volts; and DET.VOLT1.DC7 was changed from 3.4 to 3.6 Volts. This change take effect starting the night of 2009-04-07.
- Jan 31, 2009: The January intervention was successfull, and the thermal background is now three times lower.
- Nov 19, 2008: An intervention is planned for the beginning of January 2009 to investigate the thermal background increase.
- Sep 1, 2008: A new HAWK-I cooling mode has raised the thermal background of the instrument to approximately 2 e/s/pix (previously it was 0.1-0.2 e/s/pix). The only filters seriously affected are NB1060, and NB1190, which will need approximately 50% more integration time to reach same S/N for faint objects. The origin of this increased background is under investigation.
- July 11, 2008: HAWK-I entrance window damage giving troubles for sky subtraction. See this report.
- August 22, 2007: HAWK-I takes off (ESO press release)
- August 2007: Call for proposal for Science Verification