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Simbad Downtime on 24-Jan

Posted by Simbad Team on 23 January 2019 15:19 CET

Due to hardware issue, the 24th of January the simbad service should be redirected temporarly to the mirror :

Sorry in advance for this downtime

TAP new feature: improvement of the object names normalisation

Posted by Simbad Team on 26 October 2018 10:48 CEST

A new feature in SIMBAD TAP allows you to submit a list of object names (e.g. by uploading your own table ; cf the documentation) and let SIMBAD try to find the correct identifier in SIMBAD.

Please read carefully the documentation (, and if you need more help, send us an email

Cross-identification of SIMBAD with Gaia DR2

Posted by Simbad Team on 29 June 2018 17:29 CEST

Cross-identification of SIMBAD with Gaia DR2

The cross-identification between the SIMBAD database and the ESA Gaia mission Data Release 2 has been successfully performed on June 30, 2018, on about 4.5 million objects.

The following data have been upgraded in SIMBAD :

4.5 million coordinates, Gaia DR2 identifiers, G magnitudes
3.8 million parallaxes
3.8 million proper motions
2.0 million radial velocities

Simbad Tap upgrade

Posted by Simbad Team on 22 May 2018 17:52 CEST

The new TAP library (2.2 version) is now deployed on Simbad.
Please send to your feedback if you encounter any problem.

Gaia identifiers change

Posted by CDS admin on 21 November 2017 00:11 CET

The acronym Gaia is going to be changed in Simbad into Gaia DR1. Read more...

Parallax measurements

Posted by Simbad Team on 29 September 2017 17:09 CEST

Due to a better accuracy in the measurements of parallax, values and errors are now stored in mas.yr-1 (instead of arcsec before)

Simbad downtime

Posted by Simbad Team on 30 August 2017 09:11 CEST

Simbad will be down during about 15 minutes at 12:00 (UTC+2) the 30 of august.
Sorry for this inconvenience, please use the mirror website :

Deletion of out-of-date measurements in Simbad

Posted by Simbad Team on 04 April 2017 13:35 CEST

Some measurements coming from catalogues IRAS, IRC, SAO, CL.g (ACO), GJ
will no longer exists directly in Simbad in the "measurements" category.
Please, go on if you search data on these
specific catalogues.
These measurements are still available from the Simbad web pages using the icon Vizier near the identifier of the catalogue, or at the bottom of the page in the section "External links"

Please send us any question about this evolution at

MOC output in TAP

Posted by Simbad Team on 28 March 2017 15:08 CEST

The MOC (Multi Order Coverage) standard is now available in output formats in TAP queries.

Please send us your feedback to

Downtime on April 3

Posted by Simbad Team on 27 March 2017 17:10 CEST

A down-time is scheduled for all Strasbourg sites for CDS services (including SIMBAD) on Monday April 3, starting at 7h00 CET (5h00 GMT) and lasting for 6 to 10 hours.
We sincerely apologize for the inconvenience. We recommend the use of our mirror site during this period:

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