Standards of Fundamental Astronomy information

The Standards of Fundamental Astronomy (SOFA) software libraries are a collection of subroutines that implement official International Astronomical Union...

Jet Propulsion Laboratory, California Institute of Technology; the IAU Standards Of Fundamental Astronomy (SOFA) initiative; the Institut de Mécanique Céleste...

libraries of IAU-sanctioned algorithms for manipulating and transforming among the BCRS and other reference systems: the Standards of Fundamental Astronomy (SOFA)...

iau-a2.gitlab.io. IAU Division I Working Group on Numerical Standards for Fundamental Astronomy. Retrieved 25 June 2021., citing Ries, J. C., Eanes, R. J...

constant". Numerical Standards for Fundamental Astronomy. IAU Division I Working Group on Numerical Standards for Fundamental Astronomy. Retrieved 24 June...

solar mass (M☉) is a standard unit of mass in astronomy, equal to approximately 2×1030 kg. It is approximately equal to the mass of the Sun. It is often...

in the IAU library Standards of Fundamental Astronomy and Section B of the Astronomical Almanac for example, the azimuth is East of North. In navigation...

{a} }.} A version of this formula is used in the International Astronomical Union's Standards of Fundamental Astronomy; a comparison of the IAU's algorithm...

Jerry (18 June 2008). "Mass of Jupiter". Universe Today. Retrieved 2017-10-31. "Numerical Standards for Fundamental Astronomy". maia.usno.navy.mil. IAU...

"The IAU 2009 system of astronomical constants: the report of the IAU working group on numerical standards for Fundamental Astronomy" (PDF). Celest Mech...

Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry...

Galactic astronomy is the study of the Milky Way galaxy and all its contents. This is in contrast to extragalactic astronomy, which is the study of everything...

"The IAU 2009 system of astronomical constants: the report of the IAU working group on numerical standards for Fundamental Astronomy". Celestial Mechanics...

"The IAU 2009 system of astronomical constants: the report of the IAU working group on numerical standards for Fundamental Astronomy". Celestial Mechanics...

Retrieved 10 February 2022. IAU Working Group on Numerical Standards for Fundamental Astronomy. "IAU WG on NSFA Current Best Estimates". US Naval Observatory...

2020-08-04. Retrieved 2008-12-31. "Equatorial Radius of the Earth". Numerical Standards for Fundamental Astronomy: Astronomical Constants : Current Best Estimates...

in the unlikely event of a negative leap second, 86,399 seconds). One authoritative source, the Standards of Fundamental Astronomy (SOFA), deals with this...

operations), and present a more Pythonic interface. Astronomy portal Standards of Fundamental Astronomy Kaplan, George H. "NOVAS". Retrieved 2015-07-16....

planetary ephemeris and its applications in fundamental physics". Celestial Mechanics and Dynamical Astronomy. 111 (3): 363. arXiv:1108.5546. Bibcode:2011CeMDA...

the Sun through the Solar System. The most important fundamental distance measurements in astronomy come from trigonometric parallax, as applied in the...

The most important fundamental distance measurements in astronomy come from trigonometric parallax, as applied in the stellar parallax method. As the Earth...

of matter, involving the study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy...

of celestial objects. It may be implemented in spherical or rectangular coordinates, both defined by an origin at the centre of Earth, a fundamental plane...

"The IAU 2009 system of astronomical constants: the report of the IAU working group on numerical standards for Fundamental Astronomy". Celestial Mechanics...

an elementary particle or fundamental particle is a subatomic particle that is not composed of other particles. The Standard Model presently recognizes...

Standish, E. M. (1995), "Report of the IAU WGAS Sub-group on Numerical Standards", in Appenzeller, I. (ed.), Highlights of Astronomy (PDF), Dordrecht: Kluwer...

"The IAU 2009 system of astronomical constants: the report of the IAU working group on numerical standards for Fundamental Astronomy". Celestial Mechanics...