# National Astronomical Observatory of Japan

> observatory

**Wikidata**: [Q1327713](https://www.wikidata.org/wiki/Q1327713)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/National_Astronomical_Observatory_of_Japan)  
**Source**: https://4ort.xyz/entity/national-astronomical-observatory-of-japan

## Summary
The National Astronomical Observatory of Japan (NAOJ) is Japan's primary astronomical research institute, established in 1988 to conduct advanced research in astronomy and astrophysics. Headquartered in Mitaka, Japan, it operates multiple specialized observatories and serves as the national center for astronomical research and education.

## Key Facts
- Founded in 1988 as Japan's national astronomical research institute
- Located in Mitaka, Japan at coordinates 34.5761°N, 133.594°E
- Operates multiple observatories including Mizusawa VERA, Nobeyama radio observatory, and Hawaii Observatory
- Part of the National Institutes of Natural Sciences, Japan organization
- Participates in international projects including the Event Horizon Telescope collaboration
- Maintains both Japanese (https://www.nao.ac.jp/) and English (https://www.nao.ac.jp/en/) websites
- Has the short name abbreviation NAOJ and the ISNI 0000000123254255
- Maintains significant social media presence with over 100,000 YouTube followers

## FAQs
### Q: When was the National Astronomical Observatory of Japan founded?
A: The National Astronomical Observatory of Japan was founded in 1988 as Japan's national astronomical research institute.

### Q: Where is the main campus of the National Astronomical Observatory of Japan located?
A: The main headquarters and campus of NAOJ is located in Mitaka, Japan, with coordinates at 34.5761°N, 133.594°E.

### Q: What astronomical facilities does NAOJ operate?
A: NAOJ operates several specialized observatories including the Mizusawa VERA Observatory, Nobeyama radio observatory, and the National Astronomical Observatory of Japan Hawaii Observatory.

### Q: Is the National Astronomical Observatory of Japan involved in international research collaborations?
A: Yes, NAOJ participates in major international projects including the Event Horizon Telescope collaboration, which famously produced the first image of a black hole.

## Why It Matters
The National Astronomical Observatory of Japan represents Japan's commitment to advancing astronomical research and technology on both national and international scales. As the country's primary astronomical institution, it drives scientific discovery, develops cutting-edge observational instruments, and provides essential infrastructure for researchers. NAOJ's participation in global initiatives like the Event Horizon Telescope places Japan at the forefront of astronomical breakthroughs, contributing to humanity's understanding of the universe. The institution's comprehensive network of specialized observatories across different geographical locations enables multi-wavelength observations that would be impossible with a single facility, making it a critical component of global astronomical research infrastructure.

## Notable For
- Being Japan's premier astronomical research facility with nationwide responsibilities in astronomy and astrophysics
- Operating a network of specialized observatories including radio, optical, and space-based facilities across multiple locations
- Significant participation in international collaborations such as the Event Horizon Telescope project
- Maintaining a substantial digital and social media presence with over 100,000 followers on its YouTube channel
- Having established institutional relationships with numerous international astronomical organizations and research institutions

## Body
### Overview
The National Astronomical Observatory of Japan (NAOJ) is a comprehensive astronomical research institute serving as Japan's center for astronomical research and observation. As both a research institute and astronomical observatory, it conducts fundamental research across all areas of astronomy and provides observational facilities for researchers throughout Japan and abroad.

### History and Establishment
NAOJ was established in 1988, consolidating several existing astronomical facilities under a single national institution. The main campus was later established in Mitaka in 2005, creating a centralized facility for administration, research, and public outreach. The institution evolved from earlier astronomical observatories in Japan, including the Tokyo Astronomical Observatory.

### Organizational Structure
The observatory operates as part of the National Institutes of Natural Sciences, Japan, a larger organization overseeing research in natural sciences. NAOJ functions with a director overseeing various departments dedicated to different areas of astronomical research. It maintains multiple research divisions focusing on solar physics, stellar astrophysics, galactic astronomy, and extragalactic studies.

### Research Facilities and Locations
The main headquarters is located in Mitaka, Japan, serving as the administrative center. The institution operates several specialized observatories across different locations, each optimized for specific types of astronomical observations. These include optical, radio, and space-based facilities that enable comprehensive multi-wavelength research capabilities.

### Observatories and Facilities
NAOJ manages a diverse portfolio of observational facilities:
- Mizusawa VERA Observatory: Specialized for very long baseline interferometry (VLBI) observations
- Nobeyama radio observatory: Equipped with radio telescopes for millimeter and submillimeter astronomy
- National Astronomical Observatory of Japan Hawaii Observatory: Located in Hawaii for optimal optical and infrared observations
- Additional facilities include space-based telescopes and ground-based observatories in various locations

### International Collaboration
NAOJ actively participates in international astronomical collaborations, most notably the Event Horizon Telescope project which produced the first direct image of a black hole. The institution contributes technical expertise, observational data, and scientific leadership to various international astronomical initiatives, strengthening global astronomical research efforts.

### Digital Presence and Outreach
The observatory maintains an active digital presence with both Japanese (https://www.nao.ac.jp/) and English (https://www.nao.ac.jp/en/) websites. It operates multiple social media accounts including Twitter (@prcnaoj for Japanese and @prcnaoj_en for English), Instagram (naoj_pr), and YouTube (UCe3kXTl3OjqchQseJe3qmvg), which has grown to over 100,000 followers, indicating strong public engagement with astronomical research and discoveries.

## References

1. Virtual International Authority File
2. CiNii Research
3. [Our Members / Tier 5](https://web.archive.org/web/20211129171645/https://arxiv.org/about/ourmembers)
4. Freebase Data Dumps. 2013
5. GRID Release 2015-12-14
6. GRID Release 2016-12-06
7. GRID Release 2017-01-10
8. Aligned ISNI and Ringgold identifiers for institutions
9. HAL
10. YouTube API