Similarities between Durchmusterung and HD 157661
Durchmusterung and HD 157661 have 3 things in common (in Unionpedia): Apparent magnitude, Durchmusterung, Hipparcos.
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.
Apparent magnitude and Durchmusterung · Apparent magnitude and HD 157661 ·
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.
Durchmusterung and Durchmusterung · Durchmusterung and HD 157661 ·
Hipparcos
Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.
The list above answers the following questions
- What Durchmusterung and HD 157661 have in common
- What are the similarities between Durchmusterung and HD 157661
Durchmusterung and HD 157661 Comparison
Durchmusterung has 42 relations, while HD 157661 has 15. As they have in common 3, the Jaccard index is 5.26% = 3 / (42 + 15).
References
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