Announcement from the ADC

02 May, 2023
Notice of emergency network maintenance in the Mitaka campus
Each service provided by ADC will be temporarily unavailable during the following period because of the emergency network maintenance.
From 12:00 to 13:00 on 2 May 2023(JST).
24 February, 2021
Web server maintenance was completed
Thank you for your coorperation.
19 February, 2021
Notice of web server maintenance
We will carry out a web server maintenance during the following period.
From 10:00 to 12:00 on 24 February 2021(JST).
It makes it difficult to access our website.
We apologize for any inconvenience this may cause you.
09 November, 2020
Web server maintenance was completed
Thank you for your coorperation.
22 October, 2020
Notice of web server maintenance
We will carry out a web server maintenance during the following period.
From 10:00 to 11:00 on 09 November 2020(JST).
It makes it difficult to access our website.
We apologize for any inconvenience this may cause you.
23 June, 2020
Notice of a maintenance of the NAOJ network
Each service of the ADC could be temporarily unavailable during the following period because of a maintenance of the NAOJ network.
From 20:00 to 24:00 on 27 June 2020(JST).
From 20:00 to 24:00 on 04 July 2020(JST).
We apologize for the inconvenience this may cause you.
13 March, 2020
Communication failure had been occured (already resolved).
A router on the NAOJ network had some trouble during the period between 00:30 and 08:30 on 13th March (JST). The trouble have been resolved. We apologize for the inconvenience this has caused you.
04 March, 2020
Communication failure had been occured (already resolved).
Each service of the ADC had not been available during the period between 12:10 and 16:50 on 04th March (JST) because of a network trouble. We apologize for the inconvenience this has caused you.
13 November, 2019
Communication failure had been occured (already resolved).
Each service of the ADC had not been available during the period between 18:53 12th November and 10:00 13th November (JST) because of a network trouble. We apologize for the inconvenience this has caused you.
08 July, 2019
Communication failure had been occured (already resolved).
This website had not been available during the period between 16:25 06th July and 10:25 08th July (JST) because of a network trouble. We apologize for the inconvenience this has caused you.
03 June, 2019
A list of papers published in FY2018 was created.
We created a list of papers which are investigated by using computational resource of the ADC and published in FY2018.
13 November, 2018
Communication failure has been resolved
Communication failure in the NAOJ network has been resolved. Please contact NAOJ NETWORK SERVICE CENTER (Accessible only from NAOJ network) if you have any questions.
09 November, 2018
Communication failure is occuring
Communication failure in the NAOJ network is occuring. Please contact NAOJ NETWORK SERVICE CENTER (Accessible only from NAOJ network) if you have any questions.
16 October, 2018
HTTP conection was closed
After web server maintenance, you can access this website only through HTTPS connection.
15 October, 2018
Web server maintenance was completed
Thank you for your coorperation.
01 October, 2018
Web server maintenance scheduled for 15 October
This website will be not available during the period below.
From 09:00 to 21:00 A few minutes on Monday, 15 October (JST).
We apologize for the inconvenience.
(05 October: We corrected the downtime.)
25 September, 2018
The ADC website has been renewed.
The old website is here.
The old website was deleted for security reasons (19 November, 2018).
Operation resumed(01 February, 2024)
After a long period of restriction by COVID-19, services and operations had been back to normal.

Temporary change of the system operations (08 April, 2020)
Currently, we are working remotely as a precaution against the coronavirus COVID-19.
For this reason, we would reduce services and it would take some time to deal with any issues.
We ask for your kind understanding.

NAOJ Privacy statement / Application Usable Policy (25 May, 2018)
NAOJ serves you this privacy statement as our commitment to you to protect the security and privacy of your personal data on network services in NAOJ (Learn more The privacy policy of our network services (Accessible only from NAOJ network)). You agree to access our service by the terms and conditions of service's privacy policy. If you have any questions, please contact the NAOJ NETWORK SERVICE HELP CENTER (Accessible only from NAOJ network).