ARECIBO OBSERVATORY

AO is proud and grateful to the women who conduct and support science and engineering at the Arecibo Observatory. We asked some of them about their experiences at AO and what motivates them in STEM.   + Read More

 

Letter from the Director

Eng. Francisco Cordova

+ Read Letter

 
 
 

Achievements at AO in 2021

We celebrate the incredible work and achievements by our AO staff

- Click images to enlarge -

AO’s Science & Visitor Center

We are happy to announce that the Ángel Ramos Foundation Science and Visitor's Center was officially re-opened on Thursday, March 10th. + Read More

New Release

AO Salvage Survey Committee Report

The Arecibo Observatory Salvage Survey Committee has released the first report on historical items that have been preserved from the 305 m Legacy Arecibo Telescope,    + Read More

 
 

Announcements


NSF REU program at Arecibo receives funding for next 3 years

Announcing AO/GBT Single Dish Summer School May 16th - 20th, 2022

AO at the 240th AAS Meeting: Presentations and Splinter Sessions

 

#AOScienceNow

Arecibo’s Eye on the Sun

In the two months since resuming operations, AO’s 12 m radio telescope has produced time-series maps of the Sun, illuminating radio-bright, time-dependent active regions. + Read More

PRISMA

PRISMA will be the first Carribean all-sky VHF Meteor Radar facility. The radar system arrived from the ALO in Chile and is being tested and prepared for installation at the Remote Optical Facility in Culebra. + Read More

 

Arecibo in the news


Credit: NOIRLab/NSF/AURA/J. da Silva/Spaceengine: M. Zamani

Second Known Asteroid with Earth-sharing Orbit Confirmed by AO scientist

AO’s Dr. Maxime Devogèle was part of an international team that confirmed the status of asteroid 2020 XL5 as a transient Trojan in a publication in Nature Communications.

Buried Ice on Mercury Uncovered by Arecibo Radar Technique Can Help Find Water on the Moon

The team used AO radar data to find a more robust way to identify and assess buried ice on planetary surfaces, including the Moon’s.

International Scientists Strengthen Evidence for Ultra-low Frequency Gravitational Waves

The Arecibo Observatory provided data about more than 40 pulsars over 15 years for the study.

 

New Publications


Featured Publication (Planetary)

Arecibo REU Student Publishes AO Radar Study on Large Potentially Hazardous Asteroid


Astronomy

Astronomy

  • Long-term meter wavelength variability study of Blazar J1415+1320 using the Ooty Radio Telescope
  • Evidence for an abrupt change in one of the most precisely-timed pulsars
  • Discovery of 72 pulsars in AO PALFA Survey
  • New, low-frequency wideband timing technique for pulsars
  • Strong-Field Gravity Tests with Double Pulsar
  • International Pulsar Timing Array: Search for an isotropic gravitational wave background
  • Noise Analysis in the European Pulsar Timing Array Data
Astronomy

Planetary

  • Arecibo Radar Maps of Venus from 1988 - 2020
  • Arecibo S-band Radar Characterization of Local-scale Heterogeneities within Mercury's North Polar Deposits
  • Orbital Stability analysis and photometric characterization of the second Earth Trojan asteroid 2020 XL5
 

Education

Arecibo Celebrates National Engineers Week

Another excellent semester in progress for the STAR Academy!

 

Facilities & Operations





Update from Operations

Read about recent updates to the Arecibo Observatory, including the upgrades made to the Science and Visitor’s Center

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