Gemini News Archive

First Gemini/Subaru Science Meeting Sets Future Directions

About 200 users and staff of the Gemini and Subaru observatories and the National Gemini Offices participated in the first joint Gemini and Subaru science conference from May 18-22, 2009 at Kyoto University, Japan.

The 18 weeks of Winter on Mauna Kea – 2008-2009

The long-term weather loss for Gemini North for the 18 northern hemisphere “winter” weeks December 24, 2008 through April 28 is about 35%.

Gemini Observatory Releases Image of Most Distant Known Object in Universe

The Gemini Observatory has released the first color image of what astronomers are calling the most distant object ever seen in the universe: a Gamma-ray burst (GRB).

A Cool Dwarf in Aquarius

An international team has discovered a brown dwarf that will likely set the record as the coolest body ever detected outside our solar system.

No Lithium-6 in Exoplanet Host Stars

The observations by bench High-Resolution Optical Spectrograph (bHROS) on Gemini South have established that there is no detectable amount of Lithium-6 in five stars that host extrasolar planets.

Around the World in 80 Telescopes

On the nights of April 2-3 (3-4 UT) both Gemini telescopes participated in the “Around the World in 80 Telescopes” live, around the world control room webcast.

Gemini Users Meeting

Gemini is pleased to announce the 2009 Gemini Users Meeting that will be held at Kyoto University, Kyoto Japan, in conjunction with the Joint Subaru/Gemini Science Conference.

Disappearing Supernovae Stars

 Justyn Maund and Stephen Smartt present data from the Gemini Observatory and Hubble Space Telescope (HST) that confirms the disappearance of the progenitors of two Type II supernovae (SNe).

A Freaky Cosmic Dwarf Pair

Recent observations with GMOS-S have revealed a large periodic modulation of SAX J1808.4-3658's quiescent optical emission.

Unveiling Galaxy Bulge Formation with Gemini/GMOS

A team of astronomers collected deep long-slit spectroscopy for a sample of eight nearby spiral galaxies using the Gemini Multi-Object Spectrograph (GMOS) on the Gemini North 8-meter telescope.

First Supernova Discovered with Laser Guide Star Adaptive Optics

Stuart Ryder, Australian Gemini Scientist at the AAO, and colleagues from Europe and South Africa have used the Gemini North telescope and its laser guide star adaptive optics system to reveal a supernova (SN 2008cs) in a galaxy.

New Gemini Science Committee Chair Appointed

Dr. Timothy Beers of Michigan State University has been appointed to Chair the Gemini Science Committee starting on February 1, 2009.

Peering into the Sun’s Future with Gemini North

The Gemini MICHELLE data of planetary nebula NGC 7027 gives us a peek into the future of our own Sun.

KYOTO 2009

The Subaru and Gemini Observatories are pleased to announce a jointly sponsored science meeting that will be held at Kyoto University, Kyoto Japan, May 18-21, 2009.

Binary Stars Abound in 30 Doradus Cluster

A recent optical spectroscopic study led by Guillermo Bosch et al. used GMOS-South to reveal that a surprisingly high fraction (>50%) of the stars in the cluster NGC 2070 are binary.

Shedding Light on Betelgeuse and VY Canis Majoris as Future Supernovae

Nathan Smith et al. have used PHOENIX on Gemini South to study the geometry and kinematics of the active circumstellar envelopes in the supergiant stars Betelgeuse and VY Canis Majoris.

Most Distant Symbiotic Star Pair Discovered

An international team used the Gemini Multi-Object Spectrograph (GMOS) on Gemini North to discover the most distant known symbiotic star.


Astronomers using the Gemini North telescope and W.M. Keck Observatory on Hawaii’s Mauna Kea have obtained the first-ever direct images identifying a multi-planet system around a normal star.

Planetary First Family Images

Gemini Observatory discovery images of a planetary system using the Altair adaptive optics system on the Gemini North telescope with the Near-Infrared Imager (NIRI)

A Highly-split Kuiper Belt Pair

A group of astronomers using a battery of 8-meter telescopes, including Gemini North and South, have discovered a small pair of gravitationally bound Kuiper Belt objects with an enormous separation.