Epoch (astronomy) and HD 134064

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between Epoch (astronomy) and HD 134064

Epoch (astronomy) vs. HD 134064

In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time. HD 134064 is a binary star system in the northern constellation of Boötes.

Similarities between Epoch (astronomy) and HD 134064

Epoch (astronomy) and HD 134064 have 3 things in common (in Unionpedia): Constellation, Henry Draper Catalogue, Hipparcos.

Constellation

A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.

Constellation and Epoch (astronomy) · Constellation and HD 134064 · See more »

Henry Draper Catalogue

The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts, which gave classifications for 86,933 more stars.

Epoch (astronomy) and Henry Draper Catalogue · HD 134064 and Henry Draper Catalogue · See more »

Hipparcos

Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.

Epoch (astronomy) and Hipparcos · HD 134064 and Hipparcos · See more »

The list above answers the following questions

What Epoch (astronomy) and HD 134064 have in common
What are the similarities between Epoch (astronomy) and HD 134064

Epoch (astronomy) and HD 134064 Comparison

Epoch (astronomy) has 63 relations, while HD 134064 has 10. As they have in common 3, the Jaccard index is 4.11% = 3 / (63 + 10).

References

This article shows the relationship between Epoch (astronomy) and HD 134064. To access each article from which the information was extracted, please visit:

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