jeudi 20 avril 2023

Balloon-Borne SuperBIT Telescope Releases 1st Research Images

 




SuperBIT - Balloon-borne Imaging Telescope logo.


April 20, 2023

The Super Pressure Balloon Imaging Telescope (SuperBIT) that launched on a scientific super pressure balloon April 16, 2023, local time from Wānaka, New Zealand, captured its first research images from this flight of the Tarantula Nebula and Antennae Galaxies. These images were captured on a balloon-borne telescope floating at 108,000 feet above Earth’s surface, allowing scientists to view these scientific targets from a balloon platform in a near-space environment.

Image above: The Tarantula Nebula taken by the Super Pressure Balloon Imaging Telescope (SuperBIT). Image Credits: NASA, Durham University.

The advantage of balloon-based versus space telescopes is the reduced cost of not having to launch a large telescope on a rocket. A super pressure balloon can circumnavigate the globe for up to 100 days to gather scientific data. The balloon also floats at an altitude above most of the Earth’s atmosphere, making it suitable for many astronomical observations.

The SuperBIT telescope captures images of galaxies in the visible-to-near ultraviolet light spectrum, which is within the Hubble Space Telescope’s capabilities, but with a wider field of view. The goal of the mission is to map dark matter around galaxy clusters by measuring the way these massive objects warp the space around them, also called “weak gravitational lensing.”

Image above: The Antennae Galaxies taken by the Super Pressure Balloon Imaging Telescope (SuperBIT). Image Credits: NASA, Durham University.

The Tarantula Nebula is a large star-forming region of ionized hydrogen gas that lies 161,000 light-years from Earth in the Large Magellanic Cloud, and its turbulent clouds of gas and dust appear to swirl between the region’s bright, newly formed stars. The Tarantula Nebula has previously be captured by both the Hubble Space Telescope and James Webb Space Telescope.

The Antennae galaxies, cataloged as NGC 4038 and NGC 4039, are two large galaxies colliding 60 million light-years away toward the southerly constellation Corvus. The galaxies have previously been captured by the Hubble Space Telescope, Chandra X-ray Observatory, and now-retired Spitzer Space Telescope. A composite image of the galaxies combines data taken by all three telescopes.

Image above: The Super-pressure Balloon-borne Imaging Telescope (SuperBIT) is a highly-stabilized, high-resolution telescope that operates in the stratosphere via NASA's super-pressure balloon (SPB) system. At 40 km altitude above sea level, the football-stadium-sized balloon carries SuperBIT (at 3500 lbs) to a suborbital environment above 99.2% of the Earth's atmosphere in order to obtain space quality imaging. Image Credit: NASA.

SuperBIT’s first research images from this flight were released by Durham University. The SuperBIT team is a collaboration among NASA; Durham University, United Kingdom; the University of Toronto, Canada; and Princeton University in New Jersey.

Related links:

Durham University release: https://www.durham.ac.uk/news-events/latest-news/2023/04/superbit-telescope-first-research-flight-image/

University of Toronto - Welcome to SuperBIT: https://sites.physics.utoronto.ca/bit

Princeton University - SuperBIT: https://jonesresearch.scholar.princeton.edu/superbit

NASA's super-pressure balloon (SPB): https://en.wikipedia.org/wiki/Superpressure_balloon

Images (mentioned), Text, Credits: NASA/Jamie Adkins.

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