Surya Siddhanta
E448542
Surya Siddhanta is an ancient Indian astronomical treatise that systematically outlines mathematical and observational methods for calculating planetary motions, eclipses, and calendrical time.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Surya Siddhanta canonical | 4 |
| Surya Siddhanta: A Text-book of Hindu Astronomy (by Ebenezer Burgess) | 1 |
| Sūrya-siddhānta | 1 |
| Vasishta Siddhanta | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4513086 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Surya Siddhanta Context triple: [Hindu lunisolar calendar, usesReferenceText, Surya Siddhanta]
-
A.
Samkhyakarika
Samkhyakarika is an early foundational text of the Samkhya school of Indian philosophy, presenting its dualistic metaphysics and theory of liberation in concise verse form.
-
B.
Treatise on Astronomy
Treatise on Astronomy is a 19th-century textbook by American mathematician and astronomer Elias Loomis that systematically presents the fundamental principles and observations of astronomy for students and general readers.
-
C.
Almagest
The Almagest is an influential 2nd-century astronomical treatise by Claudius Ptolemy that systematically presents the geocentric model of the cosmos and provides mathematical tools for predicting planetary motions.
-
D.
Zīj al-Sindhind
Zīj al-Sindhind is an influential early 9th-century astronomical handbook and set of tables by Al-Khwarizmi that helped introduce and adapt Indian and Persian astronomical methods to the Islamic world.
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E.
Parashara Smriti
Parashara Smriti is a Hindu legal and ethical text traditionally attributed to the sage Parashara, notable for its guidance on dharma tailored to the Kali Yuga.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Surya Siddhanta Target entity description: Surya Siddhanta is an ancient Indian astronomical treatise that systematically outlines mathematical and observational methods for calculating planetary motions, eclipses, and calendrical time.
-
A.
Samkhyakarika
Samkhyakarika is an early foundational text of the Samkhya school of Indian philosophy, presenting its dualistic metaphysics and theory of liberation in concise verse form.
-
B.
Treatise on Astronomy
Treatise on Astronomy is a 19th-century textbook by American mathematician and astronomer Elias Loomis that systematically presents the fundamental principles and observations of astronomy for students and general readers.
-
C.
Almagest
The Almagest is an influential 2nd-century astronomical treatise by Claudius Ptolemy that systematically presents the geocentric model of the cosmos and provides mathematical tools for predicting planetary motions.
-
D.
Zīj al-Sindhind
Zīj al-Sindhind is an influential early 9th-century astronomical handbook and set of tables by Al-Khwarizmi that helped introduce and adapt Indian and Persian astronomical methods to the Islamic world.
-
E.
Parashara Smriti
Parashara Smriti is a Hindu legal and ethical text traditionally attributed to the sage Parashara, notable for its guidance on dharma tailored to the Kali Yuga.
- F. None of above. chosen
Statements (76)
| Predicate | Object |
|---|---|
| instanceOf |
Hindu astronomical work
ⓘ
Indian mathematical text ⓘ Sanskrit text ⓘ astronomical treatise ⓘ |
| associatedDeity | Surya ⓘ |
| cosmologicalModel | geocentric model ⓘ |
| culturalContext | classical Indian science ⓘ |
| describes |
methods for computing eclipses
ⓘ
methods for computing planetary positions ⓘ methods for interpolation ⓘ rules for calendar construction ⓘ rules for chord calculation ⓘ rules for determining auspicious times ⓘ sine function ⓘ trigonometric tables ⓘ |
| focusesOn |
calendrical calculations
ⓘ
cosmology ⓘ distance to the moon estimation ⓘ distance to the sun estimation ⓘ earth’s circumference estimation ⓘ earth’s diameter estimation ⓘ eclipse prediction ⓘ eclipses ⓘ ecliptic coordinates ⓘ ecliptic obliquity ⓘ equinoxes and solstices ⓘ geographical latitude and longitude ⓘ gnomon measurements ⓘ intercalary months ⓘ lunar nodes ⓘ lunar theory ⓘ mean and true positions of planets ⓘ nakshatras ⓘ planetary conjunctions ⓘ planetary diameters estimation ⓘ planetary longitudes ⓘ planetary motions ⓘ planetary periods ⓘ precession of the equinoxes ⓘ shadow calculations ⓘ sidereal time ⓘ solar theory ⓘ spherical astronomy ⓘ timekeeping ⓘ tithi calculation ⓘ trigonometry ⓘ yugas ⓘ zodiac signs ⓘ |
| hasApproximateDate |
late first millennium BCE to early first millennium CE (in earlier form)
ⓘ
revised form around 4th–5th century CE ⓘ |
| hasEnglishTranslation |
Surya Siddhanta: A Text-book of Hindu Astronomy (by Ebenezer Burgess)
ⓘ
linked to:
Surya Siddhanta
|
| hasGenre |
astrology
ⓘ
astronomy ⓘ mathematical astronomy ⓘ |
| hasLanguage | Sanskrit ⓘ |
| hasStructure | chapters ⓘ |
| hasTitle | Surya Siddhanta ⓘ |
| influenced |
Aryabhata
ⓘ
Bhaskara I ⓘ Bhaskara II ⓘ
linked to:
Bhaskara I
Brahmagupta ⓘ Hindu Panchang ⓘ
linked to:
Hindu lunisolar calendar
Indian calendrical systems ⓘ Varahamihira ⓘ traditional Indian astrology ⓘ |
| preservedIn | manuscripts ⓘ |
| region |
Indian subcontinent
ⓘ
linked to:
South Asia
|
| religiousContext | Hinduism ⓘ |
| studiedIn |
history of astronomy
ⓘ
history of mathematics ⓘ |
| tradition | Indian astronomy ⓘ |
| uses |
corrections for true motions
ⓘ
mean motions of planets ⓘ sexagesimal-like numerical schemes ⓘ sidereal zodiac ⓘ yuga cycles ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Surya Siddhanta Description of subject: Surya Siddhanta is an ancient Indian astronomical treatise that systematically outlines mathematical and observational methods for calculating planetary motions, eclipses, and calendrical time.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
Surya Siddhanta
→
hasEnglishTranslation
→
Surya Siddhanta: A Text-book of Hindu Astronomy (by Ebenezer Burgess)
ⓘ
linked to: Surya Siddhanta
linked to: Surya Siddhanta
linked to: Surya Siddhanta