Keck Week Video #5: Meet the Cool Neighbors: Brown Dwarfs as Seen by Keck – Dr. Michael Liu

Recorded at the Keck Week Science Meeting, this video features the University of Hawaii's Michael Liu delving into Brown Dwarfs, the sub-stellar objects that straddle the properties of the lightest stars and the heaviest planets.

Thanks to the high performance of our pioneering Laser Guide Star Adaptive Optics system and the brilliant work of Dr. Liu and colleagues, Keck Observatory continues to advance our knowledge of these fascinating objects.
(Please be patient while video loads)

This opening image of this video is the brown dwarf binary CFBDSIR 1458+10 and was obtained using the Laser Guide Star (LGS) Adaptive Optics system on the Keck II telescope in Hawaii. Adaptive optics cancels out much of Earth’s atmospheric interference, improving the image sharpness by a factor of ten and enabling the very small separation binary to be resolved. This is the coolest pair of brown dwarfs found so far — the colder and dimmer of the two components is a candidate for the brown dwarf with the lowest temperature ever found. This colour picture was created from images taken through four different filters at near-infrared wavelengths.

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We are setting up LRIS-ADC on Keck 1 for NASA/KECK observers, DEIMOS on Keck 2 for UCD observers. Sun set 06:48:00pm rise 05:56:00am
Happy Sunday! One of the clever scientists posted this as the description for their observing run here at Keck. pic.twitter.com/3iSlETZTFr
CIT observers will work with LRIS-ADC tonight. And UCI observers will work with DEIMOS. Sun set 06:49:00pm rise 05:56:00am
Observers from CIT will use LRIS-ADC on Keck 1, while on Keck 2, UCI observers will use DEIMOS. Sun set 06:50:00pm rise 05:56:00am
On tap for Keck 1 tonight: observations of stars exploding, falling into black holes, and undergoing other violent fates!