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Gemini's new Director, Markus Kissler-Patig during his opening remarks at the recent Gemini Science Meeting in San Francisco.
The GNIRS Integration Time Calculator (for spectroscopy only) can be used to determine limiting magnitudes, exposure times, S/N ratios, background levels, etc. for a wide range of source properties, observing conditions and GNIRS configurations. When using the ITC please note the caveats and guidelines at the top of the ITC web page.
The following video tutorials are available for the 2012B Observing Tool:
Figure 1. Michelle and T-ReCS mid-infrared images of some of the low-luminosity AGN in this study.
Video tutorials on Phase II preparation with the 2012B OT are now available here.
The Gemini Board resolutions from the Nov 2012 meeting are now posted.
A disappearing dusty disk
Carl Melis (University of California, San Diego) and collaborators report on the disappearance of a dusty disk around the star TYC 8241 2652 in the latest issue of Nature (subscription required). The young solar analog had previously been identified as an infrared excess source, with multiple observations over the last several decades from a variety of telescopes showing strong emission at wavelengths around 10 microns or longer.