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Recent News

Photograph of Coronal Mass Ejections
August 1, 2019

Seeker, an American digital media network and content publisher, interviewed HAO's space scientist, Delores Knipp, in July 2019. The presentation is titled "How Earth's Magnetic Field Twists and Buckles During Solar Storms." Dr. Knipp uncovered a war mystery that is connected to a major solor storm event in July 1972.

MHD models to predict the magnetic structure of the corona at the time of the eclipse
June 28, 2019

Following its long history of solar eclipse field expeditions, the High Altitude Observatory currently has a team deployed in Cerro Tololo, Chile to conduct solar physics research. On July 2, a total solar eclipse will be visible in South America, fortuitously passing over the NSF's Cerro Tololo Inter-American Observatory.

Publication Highlights

Graphic depicting field-lines from a ground-truth flux-rope magnetic field model
August 8, 2019

Deriving the strength and direction of the three-dimensional (3D) magnetic field in the solar atmosphere is fundamental for understanding its dynamics. Volume information on the magnetic field mostly relies on photospheric and/or chromospheric surface vector magnetic fields.

GOLD image of the daytime airglow and the equatorial ionization anomaly (EIA)
August 5, 2019

The NASA Global-scale Observations of the Limb and Disk (GOLD) ultraviolet spectrograph began imaging the Equatorial Ionization Anomaly (EIA), regions of the ionosphere with enhanced electron density north and south of the magnetic equator, in October 2018.

Graphic depicting continuous wavelet spectra of the sunspot area (SSA)
July 25, 2019

Solar magnetic activity exhibits variations with periods between 1.5–4 years, the so-called quasi-biennial oscillations (QBOs), in addition to the well-known 11-year Schwabe cycles. The solar dynamo is thought to be the responsible mechanism for the generation of the QBOs.

MLSO Latest Images

CoMP Coronal Intensity

The COronal Multi-channel Polarimeter (CoMP) observes the Fe-XIII emission line at 1074.7 nm to measure the coronal magnetic field and obtain plasma density and motion in the low corona from ~1.03 to 1.5 solar radii.


K-Cor White Light Corona

Designed to study the formation and dynamics of coronal mass ejections and the evolution of the density structure of the low corona, K-Cor records the polarization brightness (pB).


K-Cor (radially graded filter)

K-Cor image with a normalized radially graded filter (nrgf) to maximize image contrast, especially in the outer field.

These data are ideal for measuring positions of coronal structures such as CMEs and helmet streamers.

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