# Astronomical Calculation Institute

> German astronomical research center

**Wikidata**: [Q571207](https://www.wikidata.org/wiki/Q571207)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Astronomical_Calculation_Institute)  
**Source**: https://4ort.xyz/entity/astronomical-calculation-institute

## Summary
The Astronomical Calculation Institute (Astronomisches Rechen-Institut, or ARI) is a German astronomical research center located in Heidelberg and operated by Heidelberg University. Founded in 1700, it functions as both a research institute and astronomical observatory dedicated to the field of astronomy.

## Key Facts
- **Official Name:** Astronomisches Rechen-Institut (ARI)
- **Location:** Heidelberg, Germany (Coordinates: 49.417743, 8.688121)
- **Operator:** Heidelberg University
- **Founded:** 1700
- **Type:** Research institute, Astronomical observatory
- **Field of Work:** Astronomy
- **Director:** Joachim Wambsganß
- **Website:** http://www.ari.uni-heidelberg.de/ (English)
- **GND ID:** 2005195-5
- **ISNI:** 0000000119559953
- **VIAF ID:** 132319120
- **Library of Congress Authority ID:** n50031384
- **Bibliothèque Nationale de France ID:** 12277201t
- **Wikidata ID:** Q31855 (implied from related research institute class)

## FAQs

**Q: Where is the Astronomical Calculation Institute located?**
A: The institute is located in Heidelberg, Germany, at coordinates 49.417743 latitude and 8.688121 longitude.

**Q: Who operates the Astronomical Calculation Institute?**
A: Heidelberg University serves as the operator of the institute.

**Q: When was the Astronomical Calculation Institute founded?**
A: The institute was established in 1700, making it a long-standing institution in the field of astronomy.

**Q: Who is the current director of the Astronomical Calculation Institute?**
A: Joachim Wambsganß serves as the director and manager of the institute.

**Q: What type of organization is the Astronomical Calculation Institute?**
A: It is classified as both a research institute and an astronomical observatory, functioning as an operational entity focused on conducting astronomical research.

## Why It Matters
The Astronomical Calculation Institute represents one of the oldest continuously operating astronomical research institutions in Germany, with origins dating back to 1700. As a dedicated research institute operated by Heidelberg University, it embodies the specialized organizational form that exists purely to generate new knowledge through systematic investigation, distinct from universities that balance teaching and research missions. The institute's longevity and continued operation demonstrate the enduring importance of dedicated astronomical research facilities in advancing human understanding of the universe. Its classification as both a research institute and astronomical observatory positions it as a critical piece of scientific infrastructure, providing a space where astronomers can pursue focused investigation without the divided attention that characterizes hybrid organizations.

## Notable For
- **Historical Significance:** Founded in 1700, representing over three centuries of astronomical research
- **Dual Classification:** Functions as both a research institute and astronomical observatory
- **Academic Integration:** Operated by Heidelberg University, bridging pure research with academic infrastructure
- **Global Recognition:** Documented across 10 Wikipedia language editions (German, English, Esperanto, French, Luxembourgish, Slovak, Swedish, Ukrainian, Chinese, and Wikimedia Commons)
- **Extensive Cataloging:** Assigned identifiers across numerous national and international library and authority systems

## Body

### Identity and Classification
The Astronomical Calculation Institute, known in German as Astronomisches Rechen-Institut and commonly abbreviated as ARI, is formally classified as both a research institute and an astronomical observatory. This dual classification distinguishes it from purely observational facilities or theoretical research centers, combining both functions within a single organization. The institute exists specifically to conduct research in its designated field of work: astronomy.

### Location and Facilities
The institute is situated in Heidelberg, Germany, at precise coordinates 49.417743 latitude and 8.688121 longitude. Its physical presence in Heidelberg places it within one of Germany's prominent academic and research hubs. An image of the institute is available through Wikimedia Commons, documenting its physical infrastructure.

### Organizational Structure and Leadership
Heidelberg University serves as the operator of the Astronomical Calculation Institute, establishing it as part of the university's broader research ecosystem while maintaining its distinct identity as a specialized research entity. Joachim Wambsganß holds the position of director and manager, providing leadership for the institute's research activities and operations.

### Historical Foundation
The institute traces its origins to 1700, establishing it as a historically significant institution in the landscape of astronomical research. This founding date places it among the older research institutions dedicated to astronomical study, predating many modern research facilities and reflecting centuries of accumulated knowledge and methodological development in the field.

### Global Identification and Cataloging
The Astronomical Calculation Institute maintains an extensive presence across international library and authority systems, reflecting its recognized status in the global academic community:

- **German National Library (GND):** 2005195-5
- **International Standard Name Identifier (ISNI):** 0000000119559953
- **Virtual International Authority File (VIAF):** 132319120
- **Library of Congress Authority ID:** n50031384
- **Bibliothèque Nationale de France:** 12277201t
- **BIBSYS (Norway):** 90589581
- **NUKAT (Poland):** n97045808
- **National Library of Israel (J9U):** 987007440723605171
- **SUDOC (IdRef):** 031586236
- **CiNii Research:** 1140282266843327872
- **NACSIS CAT (Japan):** DA00907361
- **National Library of the Netherlands:** kn20081103006
- **Yale LUX:** group/6327ba84-5628-4989-a84f-3d2fee3c7e99
- **Kalliope Verbund:** 2005195-5
- **SHARE Catalogue:** 735222
- **Freebase:** /m/027v7yl

### Digital Presence and Resources
The institute maintains an official website at http://www.ari.uni-heidelberg.de/ with English language support, providing access to its research activities and resources. Its digital footprint extends across multiple Wikipedia language editions, including German, English, Esperanto, French, Luxembourgish, Slovak, Swedish, Ukrainian, and Chinese, indicating international recognition and accessibility of information about the institute. The Wikimedia Commons category "Astronomical Calculation Institute" provides visual and documentary resources related to the facility.

## References

1. CiNii Research
2. [Source](https://www.google.ca/maps/place/M%C3%B6nchhofstra%C3%9Fe+12,+69120+Heidelberg,+Allemagne/@49.41775,8.6881101,17z/data=!3m1!4b1!4m2!3m1!1s0x4797c13d7022feab:0x99748b1b531cc7a)
3. Freebase Data Dumps. 2013
4. National Library of Israel Names and Subjects Authority File