The Sesame Service queries several databases from the name of an astronomical object (outside the Solar System bodies), and displays some fundamental parameters (type of object, J2000 position). The databases queried are Simbad, NED, and VizieR. (For more explanations, see the Documentation).
Other default settings are possible:
all with NED first,
all with Simbad first,
Simbad first Sesame also exists as an HTTP-get service, see
LaTeX manuscripts containing \object or \objectname macros can be tested from here.
Sesame also exists as an HTTP-get service, see https://cds.unistra.fr/doc/sesame.htx