Ruler and scholar associated with astronomical tables and Samarkand.
- Lifetime
- 1394–1449
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The zij bearing Ulugh Beg’s name presents astronomical calculations in tables.
Identify the table’s time and coordinate system.
Ulugh Beg can be investigated through the astronomical heritage associated with Samarkand and the zij tradition. The linked work is not automatically a verified inventory of every observation made by one person. Calculation, table organisation, observing and copying may involve different kinds of labour within a scientific setting. Check what a source actually attributes before assigning a particular contribution to one name. This person record connects visitors to a manuscript witness and its Samarkand context; it does not imply that the digital copy is an autograph or contemporary with the author. Recognising collaborative and institutional work can strengthen an account without diminishing an individual contribution.
Zij tables provide a way to investigate numerical organisation of celestial positions and time. Reading one correctly requires headings, units, a reference origin and an epoch. Impressive numerical layout does not demonstrate that every entry uses a modern catalogue’s coordinate convention. Distinguish computed positions from observed ones; if the type of a column is unknown, keep the interpretation provisional. Rather than reducing achievement to a contest of precision in modern units, investigate methods and the transmission of knowledge as well. That approach turns a historical table into a starting point for an answerable question.
Begin by following the person record into the table witness and reading its scope description. Do not invent methodological sentences from an introduction missing in that copy. Describe the structure of one row in your own words and retain an unresolved column as a question. Keep lifetime and copy dating as separate chronological layers. This platform claims neither a new specialist Persian translation nor independent verification of all the tables. A further study could compare the same bounded passage with another accessible witness and document differences explicitly, including cases where the surviving material does not permit a confident answer.
Other names / spellings: Ulug Bey · Ulugh Beg · ألغ بيك
EVIDENCE AND SOURCE
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- Qatar Digital Library · Zīj-i Ulugh Beg
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- Public Domain
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