Query by star number This form is intended to query the database by star numbers.
on observational data, use
Star numbers can be entered directly if they correspond to the adopted numbering system:
or in a form like
if they come from a numbering system listed in the
cross-reference table authors list
stands for star
# 22 from source 3
Common identifications, like
HD, BS/HR, DM, LSS
numbers and others can also be used.
Please, do not enter space between the acronym and the star number:
Variable star names should be written like
Stellar names, like those for Pleiades brown dwarfs (
Teide1, Calar3, PPl15
) can also be used as a valid identifier.
Select one or more data types
Enter one or more star numbers
Move to the
page of NGC 2421