25 citations · 35 across the 5 of their papers we have counts for
4 papers · 1 filter
The star catalogues of Ptolemaios and Ulugh Beg: Machine-readable versions and comparison with the modern Hipparcos Catalogue
Frank Verbunt, Robert H. van Gent
In late antiquity and throughout the middle ages, the positions of stars on the celestial sphere were obtained from the star catalogue of Ptolemaios. A catalogue based on new measu…
Early star catalogues of the southern sky: De Houtman, Kepler (Second and Third Classes), and Halley
Frank Verbunt, Robert H. van Gent
De Houtman in 1603, Kepler in 1627 and Halley in 1679 published the earliest modern catalogues of the southern sky. We provide machine-readable versions of these catalogues, make s…
The Star Catalogue of Hevelius
Frank Verbunt, Robert H. van Gent
The catalogue by Johannes Hevelius with the positions and magnitudes of 1564 entries was published by his wife Elisabeth Koopman in 1690. We provide a machine-readable version of t…
Three editions of the Star Catalogue of Tycho Brahe
Frank Verbunt, Robert H. van Gent
Tycho Brahe completed his catalogue with the positions and magnitudes of 1004 fixed stars in 1598. This catalogue circulated in manuscript form. Brahe edited a shorter version with…