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galactic_map

August 31, 2016

Recent Posts

Finding Distances to Galaxies by Looking at their Neighborhoods

Looking for New Physics: Taming the Hydra

Confronting models with DES Year 3 data, or: How did we get here, and what’s next?

Objects In Mirror Are Bluer Than They Appear: What a Galaxy’s Color Says About Its Distance

How to tease out the tiniest distortions of galaxy shapes to probe the secrets of the Universe

« Our galactic neighborhood

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The Dark Energy Survey

6 days ago

🌌Look at this glittering image of the night sky taken with the U.S. Department of Energy fabricated Dark Energy Camera installed at National Science Foundation (NSF) Cerro Tololo Inter-American Observatory (CTIO), Chile! Spectacular isn’t it?✨

📸This is a deep field image, meaning it is a long exposure photograph taken of a very small portion of the sky. Did you know that almost every bit of light you see here is a distant galaxy?🌠 There are literally thousands of galaxies in this image!!😱

🕰️🌌Deep field imaging enables astronomers to look back in time, as light from these distant objects has traveled for billions of years to reach us, providing a glimpse of the early Universe. These images have significantly broadened our understanding of the Universe by revealing the vast number of galaxies and by showcasing them at different stages of development.🚀🔭

Credit: Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA ... See MoreSee Less

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The Dark Energy Survey

2 weeks ago

In this #imageoftheweek, this unbarred spiral galaxy in the constellation Crater features a bright central core, where a supermassive black hole lies, surrounded by a disk of hot, young stars and spiral arms laced with streams of dust and more young stars.

The irregular, outstretched shape of its arms is likely due to gravitational influence from an encounter with one of its galactic neighbors. NGC 3981 is a member of the NGC 4038 Group of galaxies, which also contains the well-known interacting Antennae Galaxies. The NGC 4038 Group is a small component of the Virgo Supercluster, the immense collection of galaxies that hosts our own Milky Way Galaxy.

This image was captured by the DOE-built Dark Energy Camera (DECam) on the Víctor M. Blanco 4-meter Telescope at the U.S. National Science Foundation (NSF) Cerro Tololo Inter-American Observatory (CTIO), a Program of NSF NOIRLab.

Download the high resolution version of this image here: noirlab.edu/public/images/iotw2425a/

Credit: Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA
Image processing: R. Colombari & M. Zamani (NSF’s NOIRLab) ... See MoreSee Less

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The Dark Energy Survey

4 weeks ago

Many of our DEScientists met for a collaboration meeting this week in Barcelona, Spain! We’re working on several analyses using our complete DES dataset. Stay tuned! ... See MoreSee Less

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The Dark Energy Survey

1 month ago

A Menagerie of Intertwined Galaxies! 😍✨ In this image of the week taken at Cerro Tololo Inter-American Observatory (CTIO), RSCG 55 is a stunning example of gravitational beauty in the Virgo constellation. 🌌

This is a group of interacting galaxies, meaning they are located close enough to influence each other gravitationally. Over time, gravitational interactions can greatly impact how galaxies evolve, leading to distorted shapes, increased rates of star formation, and galactic mergers.

Download the high-resolution version of this image here: noirlab.edu/public/images/iotw2421a/

Credit: DESI Legacy Imaging Surveys/LBNL/DOE & KPNO/CTIO/NOIRLab/NSF/AURA
Image processing: T.A. Rector (University of Alaska Anchorage/NSF’s NOIRLab), D. de Martin (NSF’s NOIRLab), A. Kocz (NSF’s NOIRLab) & M. Zamani (NSF’s NOIRLab) ... See MoreSee Less

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Triple Wow 😲

The Dark Energy Survey

1 month ago

About 1300 light-years away, in the constellation Puppis, a ghostly hand appears to be emerging from the interstellar medium and reaching out into the cosmos. This cloudy, ominous structure is CG 4, a cometary globule.

This image was taken by the U.S. Department of Energy-fabricated Dark Energy Camera mounted on the U.S. National Science Foundation (NSF) Víctor M Blanco 4-meter telescope at Cerro Tololo Inter-American Observatory (CTIO), a Program of NSF NOIRLab.

Download the high resolution version of this image here: noirlab.edu/public/images/noirlab2412a/

📷CTIO/NOIRLab/DOE/NSF/AURA
Image Processing: T.A. Rector (University of Alaska Anchorage/NSF’s NOIRLab), D. de Martin & M. Zamani (NSF’s NOIRLab) ... See MoreSee Less

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