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Shorter Gemini North shutdown now
Gemini North primary mirror recoating will be delayed until mid-year. We will have a shorter shutdown now, for work on the acquisition and guiding unit, GMOS-N, and Altair, getting back to science on February 1. The semester schedule has been updated.
Gemini response to STAC report
Mask Design Using Existing Object Catalogues
Using dedicated GMOS images (pre-imaging) for designing MOS masks has the advantages of being independent of the accuracy of any astrometric calibration and immune against proper motions of alignment stars or objects. However it also requires more telescope time, and requires time between the start of the semester and the start of the MOS observations for the pre-imaging to be taken and the mask to be designed.
The December 2012 issue of GeminiFocus is available online
NEXT-GENERATION ADAPTIVE OPTICS BRINGS REMARKABLE DETAILS TO LIGHT IN STELLAR NURSERY
OPTICA ADAPTIVA DE NUEVA GENERACION OFRECE DETALLES INCREIBLES EN SEMILLERO ESTELAR
ALTAIR
ALTAIR (ALTtitude conjugate Adaptive optics for the InfraRed) is the facility natural/laser guide star adaptive optics system of the Gemini North telescope.
Acknowledgement Text
(1) Papers containing data from the Gemini telescopes (e.g. an ApJ paper) should include the following general acknowledgment as a footnote on the first page or in the last section before the references:
GeminiFocus December 2012 Table of Contents
Click on the title of each article to open the PDF. Or view the whole issue here