SIMBAD Astronomical Database - CDS (Strasbourg)

What is SIMBAD ?
Queries
basic search
by identifier
by coordinates
by criteria
reference query
scripts
TAP queries
 
Output options
 
 
Documentation
Object types
Nomenclature & Dictionary
Recommendations for Data Publication
 
User's guide
Measurement description
 
List of journals
User annotations documentation
Query by urls
Acknowledgment
Information
Presentation
 
Image thumbnails
 
Mobile version
 
SimWatch
 
Release:
SIMBAD4 1.8 - 2026-04
Releases history

Content
The SIMBAD astronomical database provides basic data, cross-identifications, bibliography and measurements for astronomical objects outside the solar system.
SIMBAD can be queried by object name, coordinates and various criteria. Links to some other on-line services are also provided.
Use of SIMBAD service is free without any registration under ODbL licence. We request that users cite the original paper reference.
Basic search
identifier, coordinates (radius=10 arcmin), or bibcode
          help
Install the Simbad basic search in your tool bar

Acknowledgment
If the Simbad database was helpful for your research work,
the following acknowledgment would be appreciated:

This research has made use of the SIMBAD database,
operated at CDS, Strasbourg, France

2000,A&AS,143,9 , "The SIMBAD astronomical database", Wenger et al.

Statistics
Simbad contains on 2026.04.02
20,519,704 objects
70,197,242 identifiers
459,742 bibliographic references
51,241,432 citations of objects in papers
15,810 acronyms described for Simbad