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Showing results 41 - 50 of 68
NRAO_PressConference_242
NRAO and GBO Results Presented at Multiple AAS 242 Press Conferences
June 4, 2023 at 9:37 am | Announcement

New scientific results from the Very Long Baseline Array (VLBA), the Very Large Array (VLA), and the Green Bank Observatory (GBO) will be revealed at multiple press conferences during the 242nd meeting of the American Astronomical Society (AAS) from June 5-7, in Albuquerque, New Mexico.
VLA Panorama 1
2023 Jansky Fellows Awarded
April 12, 2023 at 9:00 am | Announcement

As a part of its central mission to nurture and inspire the next generation of radio astronomers, the National Science Foundation’s National Radio Astronomy Observatory (NRAO) has selected four outstanding early career professionals for its 2023 Jansky Fellowship. 
Artist's conception of the mtex design for the ngVLA prototype antenna.
Design Review for ngVLA Antenna Clears Way for Prototype Construction
December 20, 2022 at 10:00 am | Announcement

The design for the ngVLA prototype antenna has passed a thorough review by a panel of external experts and the project now is cleared to proceed to manufacture the prototype.
NRAO Director Tony Beasley and UNAM Director Enrique Graue Wiechers sign the MOU.
NRAO Signs Cooperative Agreement with UNAM For Development of the Next Generation Very Large Array
November 21, 2022 at 9:23 am | Announcement

The U.S. National Science Foundation’s National Radio Astronomy Observatory (NRAO) and the Universidad Nacional Autónoma de México (UNAM) have signed a memorandum of understanding establishing their collaboration on the Next Generation Very Large Array (ngVLA), a new radio observatory currently in design and development at NRAO.
From above a planet about twice the size of Jupiter, this artist's conception shows the star that planet is orbiting and that star's binary companion in the distance.
VLBA Produces First Full 3-D View of Binary Star-Planet System
September 1, 2022 at 8:14 am | News Release

Astronomers using the VLBA have produced the first-ever full, 3-D view of binary star system with a planet orbiting one of the stars. Their achievement promises important new insights into the process of planet formation.
Mexico_Fellow_Alfonso_Trejo_2022_v1
NRAO Supporting Work of Mexican Astronomer
August 25, 2022 at 4:53 pm | Announcement

NRAO is supporting a Mexican astronomer’s work to select and develop antenna sites in northern Mexico for the Next Generation Very Large Array (ngVLA).
In a first for radio astronomy, scientists have detected millimeter-wavelength light from a short-duration gamma-ray burst. This artist's conception shows the merger between a neutron star and another star (seen as a disk, lower left) which caused an explosion resulting in the short-duration gamma-ray burst, GRB 211106A (white jet, middle), and left behind what scientists now know to be one of the most luminous afterglows on record (semi-spherical shock wave mid-right). While dust in the host galaxy obscured most of the visible light (shown as colors), millimeter light from the event (depicted in green) was able to escape and reach the Atacama Large Millimeter/submillimeter Array (ALMA), giving scientists an unprecedented view of this cosmic explosion. From the study, the team confirmed that GRB 211106A is one of the most energetic short-duration GRBs ever observed.
Out With a Bang: Explosive Neutron Star Merger Captured for the First Time in Millimeter Light
August 3, 2022 at 9:00 am | News Release

Scientists using the Atacama Large Millimeter/submillimeter Array (ALMA)— an international observatory co-operated by the US National Science Foundation’s National Radio Astronomy Observatory (NRAO)— have for the first time recorded millimeter-wavelength light from a fiery explosion caused by the merger of a neutron star with another star. The team also confirmed this flash of light to be one of the most energetic short-duration gamma-ray bursts ever observed, leaving behind one of the most luminous afterglows on record.
IEEE_Award_Robert-Dirk_2022
ngVLA Engineering Paper Selected for Prestigious IEEE Award
July 14, 2022 at 2:10 pm | Announcement

A team of engineers testing the design efficiency of reflectors for the National Radio Astronomy Observatory’s upcoming next generation Very Large Array (ngVLA) has received the Institute of Electrical and Electronics Engineers (IEEE) Harold A. Wheeler Applications Prize Paper Award.
First image of the black hole at the center of the Milky Way This is the first image of Sagittarius A* (or Sgr A* for short), the supermassive black hole at the center of our galaxy. It’s the first direct visual evidence of the presence of this black hole. It was captured by the Event Horizon Telescope (EHT), an array which linked together eight existing radio observatories across the planet to form a single “Earth-sized” virtual telescope. The telescope is named after the “event horizon”, the boundary of the black hole beyond which no light can escape. Although we cannot see the event horizon itself, because it cannot emit light, glowing gas orbiting around the black hole reveals a telltale signature: a dark central region (called a “shadow”) surrounded by a bright ring-like structure. The new view captures light bent by the powerful gravity of the black hole, which is four million times more massive than our Sun. The image of the Sgr A* black hole is an average of the different images the EHT Collaboration has extracted from its 2017 observations.
Astronomers Reveal First Image of the Black Hole at the Heart of Our Galaxy
May 12, 2022 at 9:07 am | Announcement

Astronomers have unveiled the first image of the supermassive black hole at the center of our own Milky Way galaxy. This result provides overwhelming evidence that the object is indeed a black hole and yields valuable clues about the workings of such giants, which are thought to reside at the center of most galaxies. The image was produced by a global research team called the Event Horizon Telescope (EHT) Collaboration, using observations from a worldwide network of radio telescopes.
A new radar system being developed by the National Radio Astronomy Observatory and the Green Bank Observatory will transmit powerful radar signals from the Green Bank Telescope (top right panel) and, in this illustration, bounce those signals off the Moon (middle right). The reflected signal can be received by antennas of the Very Long Baseline Array, in various locations across the U.S., Hawaii, and the Virgin Islands (bottom right). The combination of antennas acts as a giant, high-resolution radar imaging system.
Future of Earth’s Defense is Ground-Based Planetary Radar
April 19, 2022 at 2:10 pm | Announcement

The Planetary Science Decadal Survey indicated that new ground-based radar systems will be vital research tools for planetary defense and studying planets, moons, asteroids, and other Solar System objects. The National Radio Astronomy Observatory and the Green Bank Observatory are developing new capabilities for the Green Bank Telescope and the Very Long Baseline Array that will meet those needs.
Showing results 41 - 50 of 68