Jove
Visualize
Contact Us

Related Concept Videos

Magnetic Declination01:19

Magnetic Declination

30
Magnetic declination is the angle between true north, which aligns with the Earth's rotational axis, and magnetic north, which follows the direction of the Earth's magnetic field. This discrepancy exists because the magnetic poles do not coincide with the geographic poles. The value of magnetic declination depends on the observer's location on Earth and is subject to changes over time due to the dynamic nature of the Earth's magnetic field.The declination is called eastern when magnetic north...
30
Meridians01:28

Meridians

292
In surveying, meridians are vital reference lines to measure directions and establish accurate land orientations. Meridians run from the north to the south poles, providing a stable framework for angular measurements and mapping. Meridians are fundamental in survey design, with the primary types being astronomic, magnetic, and assumed meridians. Each type offers distinct benefits and limitations, selected based on the project's scale and precision needs.The astronomic meridian is aligned with...
292
Design Example: Marking Boundaries of a Site Using a Compass01:12

Design Example: Marking Boundaries of a Site Using a Compass

29
Marking site boundaries using a compass is a precise surveying technique that ensures the accuracy of boundary delineation. The process begins by using provided site details, including the bearings and lengths of each boundary line. The initial step involves calculating latitudes and departures for all sides of the site. This computation verifies that the traverse is free of errors, ensuring a closed and accurate boundary.The process starts at a known point, such as Point A, which is often...
29
Atomic Nuclei: Larmor Precession Frequency01:11

Atomic Nuclei: Larmor Precession Frequency

1.1K
The earth's gravitational field produces a 'twisting force' perpendicular to the angular momentum of a spinning mass (such as a spinning top) that causes the mass to 'wobble' around the gravitational field axis in a phenomenon called precession. Similarly, the magnetic moment (μ) of a spinning nucleus precesses due to an external magnetic field directed along the z-axis. The precession of the magnetic moment vector about the magnetic field is called Larmor precession,...
1.1K
Azimuths and Bearings01:19

Azimuths and Bearings

87
Azimuths and bearings are essential concepts in surveying, providing methods to express the direction of a line relative to a meridian. Azimuths refer to the clockwise angle measured from the north end of a reference meridian to the given line, ranging from zero to 360 degrees. This method gives a comprehensive directional reference within a full 360-degree circle, making it a straightforward way to communicate direction in various fields, including navigation, cartography, and...
87
Gravitational Potential Energy for Extended Objects01:07

Gravitational Potential Energy for Extended Objects

1.3K
Consider a system comprising several point masses. The coordinates of the center of mass for this system can be expressed as the summation of the product of each mass and its position vector divided by the total mass:
1.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Accurate geometric albedo, shape, and size of Hi'iaka from a stellar occultation.

Nature communications·2025
Same author

Investigating the formation of small Solar System objects using stellar occultations by satellites: present, future and its use to update satellite orbits.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2025
Same author

Centaur 29P/Schwassmann-Wachmann 1 and its near-nucleus environment from a stellar occultation.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2025
Same author

Physical characteristics of Jupiter's Trojan (1437) Diomedes from a tri-chord stellar occultation in 2020 and dimensionless three-dimensional model.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2025
Same author

Shapes of large main belt asteroids, deviation from hydrostatic equilibria and geophysical properties.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2025
Same author

Resonant capture of Saturn's arcs.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2025
Same journal

Inverse FIP effect plasma in the solar atmosphere: a synthesis of current understanding and new insights from AR 11967.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Signs of sulfur fractionation under high magnetic field strength.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

First ionization potential fractionation of sulfur observed with spectral imaging of the coronal environment.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Chromospheric dynamics and turbulence regulate the solar FIP effect.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Exploring the link between wave activity in the photospheric velocity driver and the FIP bias in the solar corona.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Radiative hydrodynamic simulations of first ionization potential fractionation in solar flares.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
See all related articles
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: May 25, 2025

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves
06:48

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Published on: May 10, 2020

3.5K

Characterizing longitude variation on Chariklo's main ring.

A R Gomes-Junior1,2, A L R Mitidiero1, B E Morgado2,3

  • 1Institute of Physics, Federal University of Uberlândia, Av. João Naves de Ávila, Uberlândia, Minas Gerais CEP 38408-100, Brazil.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|February 27, 2025
PubMed
Summary
This summary is machine-generated.

Researchers developed a new method to map the ring system of the Centaur Chariklo using stellar occultation data. This analysis reveals the ring

Keywords:
Charikloringsstellar occultation

More Related Videos

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information
10:28

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Published on: June 13, 2020

5.7K
A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data
10:46

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

Published on: December 9, 2015

10.6K

Related Experiment Videos

Last Updated: May 25, 2025

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves
06:48

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Published on: May 10, 2020

3.5K
Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information
10:28

Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information

Published on: June 13, 2020

5.7K
A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data
10:46

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

Published on: December 9, 2015

10.6K

Area of Science:

  • Planetary Science
  • Astronomy
  • Small Body Research

Background:

  • The discovery of a ring system around the Centaur Chariklo in 2013 was unprecedented for a small body.
  • Previous observations noted variations in the ring's radial density and width with longitude.

Purpose of the Study:

  • To develop a method for determining the precise longitude and orbital radius of points within Chariklo's ring system.
  • To analyze the ring's width variations and identify the underlying dynamical behavior.

Main Methods:

  • Utilized stellar occultation data to detect and analyze ring features.
  • Developed a novel method to derive positional information (longitude and orbital radius) for ring particles.
  • Performed a descriptive analysis of ring width variations.

Main Results:

  • Successfully mapped points within Chariklo's ring system, providing their longitude and orbital radius.
  • Identified a pattern of ring width variation.
  • The observed ring behavior is best explained by a combination of oscillation modes 1 and 2.

Conclusions:

  • The proposed method enables detailed characterization of small body ring systems.
  • Oscillation modes 1 and 2 are likely responsible for the observed dynamics of Chariklo's rings.
  • This study advances our understanding of ring systems beyond the giant planets.