Gemini News Archive

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.

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)


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.

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.

Infrared echoes from new and old dust - the case of SN 2006jc

 An international team observed the supernova and followed its evolution between days 86-493 after the explosion with an array of telescopes including the Gemini North telescope (using the Near Infrared Imager NIRI).

First Picture of Likely Planet around Sun-like Star

Astronomers have unveiled what is likely the first picture of a planet around a normal star similar to the Sun using Gemini North telescope.

Probing a New Type of Stellar Explosion

The research shows that the famous nebulosity around the star Eta Carinae contains extremely fast-moving filaments of material that had not been seen before, and are not explained by current theories.

Young Asteroid Families Newly Classified by GMOS

Optical spectroscopy from the Gemini telescopes has revealed a relatively uncommon type of asteroid in the main-belt for the first time.

Gemini North Mirror Receives New Silver Coating During Major Shutdown

Gemini North telescope facility on Mauna Kea underwent a major 20-day scheduled shutdown, during which the 8-meter primary mirror received new silver coating.

A Rotating Compact Nuclear Stellar Cluster in NGC 4244

 Anil C. Seth and collaborators demonstrate that the massive nuclear stellar cluster at the core of the spiral galaxy NGC 4244 is strongly rotating based on NIFS plus AO observations at Gemini North.

The 500th Referred Gemini Paper

In mid June 2008, the 500th refereed Gemini paper was accepted for publication in The Astrophysical Journal, one of the main refereed astronomical journals. 

The Last Supernova Legacy Survey Spectrum

The Supernova Legacy Survey (SNLS) had ambitious goals from the start - to produce a definitive sample of distant supernovae for cosmology. The 5-year survey began in 2003 and the final supernova spectrum was recently taken at Gemini North.