National Astronomical Observatory of Japan / Astronomy Data Center
A STRONOMICAL   D ATA   A RCHIVES   C ENTER


JST=UT+9

Previous Notes
2018.04.11 The ADS mirror site is now available (11:00 Apr. 11, 2018 JST).
2018.04.04 Due to lack of manpower a few services are suspended. The system migration of the ADS mirror server delays. It is still DOWN (down since 08:00 on Mar. 26, 2018 (JST)).
2018.03.29 Our services will be down between 15:00 on March 30 to 10:00 on April 5 (JST).
2018.03.26 The mirror servers of ADS is temporary down since 08:00 on Mar. 26, 2018 (JST). We will inform you about new servers later.
2018.02.20 This page works on the NEW server.
2017.12.19 We will take the New Year's holiday from December 29 to January 3 (JST). During this holiday our responses will be delayed.
2017.10.24 ADAC services will be unavailable due to a scheduled power cut at NAOJ Mitaka Campus from 08:00 to 18:00 on Nov. 18th, 2017 (JST).
2017.08.14 Due to the server maintenance, our services will be not available from 08:00 to 17:00 on Aug. 22(JST).
2017.07.26 FITS file with WCS information can be requested in SkyMonitor Imaging Data Service System (Japanese Only).
2016.11.08 Due to server maintenance, our services will be down from 8:00 to 17:00 on Feb. 2, 2017 (JST).
2016.10.13 The inspection date has been set on Dec. 3, 2016 (JST).
2016.09.20 The inspection was postponed. We will inform you of new date after the schedule has been decided.
2016.09.16 ADAC services will be unavailable due to an inspection of the power supply in NAOJ Mitaka Campus on Nov. 5th, 2016 (JST).
2016.08.01 Due to the server maintenance, our services will be not available on Aug. 16 (JST). from 08:00 to 17:00 on Aug. 16 (JST).
2016.02.12 ADAC services were not available due to a firewall failure from 17:00 Feb. 10 to 11:00 Feb.12, 2016 JST. We are sorry for your inconvenience
2015.12.17 We will take the New Year's holiday from December 29 to January 3 (JST). During this holiday our responses will be delayed. We are sorry for the inconvenience and appreciate your kind understanding.
2015.09.02 ADAC services will be unavailable due to a scheduled power cut at NAOJ Mitaka Campus from 09:00 to 17:00 on Nov. 7th, 2015 (JST).
2015.06.17 Due to the server maintenance, our services will be not available on Aug.12(JST). We are sorry for the inconvenience.
2015.05.01 SkyMonitor Imaging Data Service System for MITSuME (Akeno Observatory) is available (Japanese Only).
2015.01.21 Due to the server maintenance, our services will be not available from 08:00 to 17:00 on Feb. 5 (JST).
2014.12.22 We will take the New Year's holiday from December 27 to January 4 (JST). During this holiday our responses will be delayed.
2014.10.27 ADAC services will be unavailable due to a scheduled power cut at NAOJ Mitaka Campus from 07:00 to 20:00 on Nov. 8th, 2014 (JST).
2014.03.20 SkyMonitor Imaging Data Service System is now available (Japanese Only).
2014.01.27 Due to the server maintenance, the services will be not available from 07:00 to 21:00 on Feb. 3 (JST).
2013.12.27 We will take the New Year's holiday from December 28 to January 5 (JST). During this holiday our responses will be delayed.
2013.10.29 ADAC services are not available due to the power cut from Nov. 9, 2013, 07:00 to 19:00 (JST).
2013.07.12 Due to the server maintenance, the services are not available from 07:00 to 15:00 on Aug.19(JST).
2013.04.04 DSS server is now on the new server
2013.03.01 ADS mirror is now on the new server.
2013.02.19 This page is on the new server.
2013.02.15 VizieR mirror is now on the new server.
2013.02.09 SMOKA is operated on the new server.
2013.02.05 A part of the services is not available due to the system replacement.

Astronomical Data Analysis Center was reorganized to Astronomy Data Center (ADC) and Center for Computational Astrophysics (CfCA) on 2006 April 1st. Astronomical Data Center has been renamed Astronomical Data Archives Center (ADAC) (2006.5.11).


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