Alpha Equulei and Henry Draper Catalogue

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

Difference between Alpha Equulei and Henry Draper Catalogue

Alpha Equulei vs. Henry Draper Catalogue

Alpha Equulei (α Equulei, abbreviated Alpha Equ, α Equ), also named Kitalpha, is a star in the constellation of Equuleus. 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.

Similarities between Alpha Equulei and Henry Draper Catalogue

Alpha Equulei and Henry Draper Catalogue have 3 things in common (in Unionpedia): Apparent magnitude, Durchmusterung, Stellar classification.

Apparent magnitude

The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.

Alpha Equulei and Apparent magnitude · Apparent magnitude and Henry Draper Catalogue · See more »

Durchmusterung

In astronomy, Durchmusterung or Bonner Durchmusterung (BD), is the comprehensive astrometric star catalogue of the whole sky, compiled by the Bonn Observatory (Germany) from 1859 to 1903.

Alpha Equulei and Durchmusterung · Durchmusterung and Henry Draper Catalogue · See more »

Stellar classification

In astronomy, stellar classification is the classification of stars based on their spectral characteristics.

Alpha Equulei and Stellar classification · Henry Draper Catalogue and Stellar classification · See more »

The list above answers the following questions

What Alpha Equulei and Henry Draper Catalogue have in common
What are the similarities between Alpha Equulei and Henry Draper Catalogue

Alpha Equulei and Henry Draper Catalogue Comparison

Alpha Equulei has 28 relations, while Henry Draper Catalogue has 31. As they have in common 3, the Jaccard index is 5.08% = 3 / (28 + 31).

References

This article shows the relationship between Alpha Equulei and Henry Draper Catalogue. To access each article from which the information was extracted, please visit:

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