Instrument Announcements

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Zorro faulty blue filter wheel

March 29th, 2021

The blue filter wheel of Zorro has been behaving erratically for past few monhts. This has had only minimal impact on operations, since the great majority of Zorro programs use the same filter. A new filter wheel has arrived recently to Pachon and the replacement will happen in the next few weeks.

December 2020 GHOST Update

December 1st, 2020

The project has been effectively on hold since the start of the COVID-19 pandemic, with the exception being progress on software and documentation. With the reopening of the Gemini South telescope, staff is now available to move the 3 containers from the base facility to be unloaded at the summit for storage until the remainder of the GHOST parts arrive.  We expect the project to take another four months to complete once the Australian and Canadian crews are able to travel to Chile for the reassembly and test of GHOST at Cerro Pachón.

GMOS-S started operating in queue mode

October 28th, 2020

As Gemini South resumed nighttime operation, GMOS-S was checked out during last weekend and started operating in queue mode. To be noted is that the CCD1 CTE problem reported on Jan10, 2020 is still present, meaning that programs using the N&S mode for spectroscopy are potentialliy affected, as well as IFU programs. These programs will remain on hold, with the exception of programs where this issue has no impact on the science (e.g. region of interest outside of CCD1)

New GMOS-N flat field feature

September 8th, 2020

GMOS-N data taken between the nights of 31 August 2020 and 8 September 2020 show a new flat field feature from dust in the optics, as marked in the image below. A preliminary cleaning of the accessible GMOS optics performed during daytime on 3 September 2020 was not successful in removing the new dust feature and the overall effects were found to be negligible.

GPI warm up

March 19th, 2020

GPI is now warming up since Monday the 16th due to the unplanned shutdown due to the Covid-19 outbreak. The instrument is now safe in a shutdown state on the telescope.

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