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Dwarf Galaxy Sends Ripples Through Milky Way’s Suburbs: A New Way to Explore Dark Matter

Computer simulation of gas distribution (left) and stars (right) after the Milky Way is perturbed by the dwarf satellite. Download the entire animation here.

Gap in Dusty Disk is Likely Embryonic Sub-Jupiter Mass Planet

Left: GPI J band (top) and K1 band (bottom) polarized intensity (Qr) images of the TW Hya disk. Right: Qr(i; j) scaled by r2(i; j), where r(i; j) is the distance (in pixels) of pixel position (i; j) from the central star, corrected for projection effects. All images are shown on a linear scale. The coronagraph is represented by the black filled circles and images are oriented with north up and east to the left.

Announcement of Opportunity for new Large and Long Programs

Gemini Observatory announces an opportunity for new Large and Long Programs. Eligible PIs are invited to propose scientific investigations to begin observation in the 2016B semester. Letters of Intent are due February 2, 2016, and completed proposals are due March 31, 2016.  Details and requirements are available in the Announcement of Opportunity.

2016A Programs and Schedule Announced

The Gemini 2016A observing programs have now been announced.  Notification emails to successful PIs were sent December 15, 2015.  Please check the schedules page for more information.  Note: There have been reports of the notification emails being flagged as spam for some users.  Please consider adding to your spam whitelist.  

December Call for Proposals

Gemini North and South are accepting proposals for the Fast Turnaround (FT) program. Here, we give information specific to this proposal cycle. Please see the other FT pages - particularly the rules - for general information about the program.

Gemini and Keck Put New Spin on Galaxy Formation

Figure 1. The massively star-forming galaxies analyzed in this study have clumpy, turbulent gas shown on the left (Hubble Telescope data). Through a unique combination of Gemini-GMOS and Keck-OSIRIS observations, the scientists were able to measure the velocity of these galaxies in each point, such as shown on the right in false colors.

New version of the Gemini IRAF package released (v1.13.1)

A new version of the Gemini IRAF package (v1.13.1) has been released. This version is recommended to anyone processing GMOS-S data but is required to reduce GMOS-S Hamamatsu CCD data obtained after the August 2015 work on the instrument. Updated configuration files and examples are included. Please see the Processing Software page for more information.

2016A OT Released

The 2016A Gemini Observing Tool is now available for download. This update is required to access the Gemini Observing Databases.

Installation instructions are linked off of the Observing Tool web page, and we recommend that everyone download their programs from the databases rather than import from saved XMLs.

Un año de Rastreo del Captador de Imágenes de Planetas de Gemini

Astronomers Spy a Nursery of Baby Exoplanets

Figure 1. Image of HD 100546 obtained with the Gemini Planet Imager at near-infrared wavelengths (1.6 microns). The cross shows the position of the star, the green hatched lines show the region interior to which GPI's coronagraph blocks our view of the system. HD 100546 b appears as a bright point source sitting on a finger of disk emission.
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