HAO Research Highlights

December 15, 2016

In 1964 (Solar Cycle 20; SC 20), Patrick McIntosh began creating hand-drawn synoptic maps of solar magnetic features, based on H-alpha images.

Cycle 23 data and cycle shape model fits
November 30, 2016

The American Astronomical Society (AAS) NOVA website is highlighting a recent publication by HAO's Ricky Egeland (graduate research fellow) titled The Mount Wilson Observatory S-Index of the Sun. The new paper has been accepted for publication in the Astrophysical Journal.

Gravity Wave
November 23, 2016

To investigate the Gravity Wave (GW) in the mid-latitude mesopause region during boreal equinox, 433 hours of continuous full diurnal cycle temperature measurements in September between 2011 and 2015.

properties of optical lightning flashes and the clouds they illuminate
November 18, 2016

Optical lightning sensors like the Optical Transient Detector and Lightning Imaging Sensor (LIS) measure total lightning across large swaths of the globe with high detection efficiency.

Schematic of the Sunrise Gondola
November 4, 2016

At one meter, the Sunrise Balloon-Borne Stratospheric Solar Observatory is the largest solar telescope to leave the earth. Its aim during its June 12 to June 17, 2013 flight was to study the magneto-convective processes of the sun at a resolution of better than 100 km.