Step 1. Payment.
Either check the appropriate box on your annual AAS membership invoice, or send a payment of $10.00 to the AAS and specify that it's for DDA membership. You can pay by MC, VISA, AMEX, or a check drawn on a U.S. bank. Send your name, address information (including email address and phone number, if possible), and payment to the AAS at
American Astronomical Society Membership Department 2000 Florida Avenue, NW, Suite 400 Washington, DC 20009-1231If paying by credit card, please include your credit card number and expiration date. If paying by credit card, you also have the choice of sending your information to the AAS via fax, at (202) 588-1351, or via email.
Whichever option you choose, do not forget to specify that you are requesting regular DDA membership!
Step 2. Notify the DDA.
Email the DDA Secretary. Please send your name and address information (including email address) so that you can be immediately added to the DDA's local database for mailings and notifications.
Emeritus DDA Membership
If you are an Emeritus member of the
AAS, your DDA dues are waived.
However, please notify both
the DDA Secretary
of your decision
to join the DDA. To the DDA Secretary, please be sure to include your
name and address information (including email address) so that you can
be immediately added to the DDA's local database for mailings and
Affiliate DDA Membership
If you are not a member of the
but are a member of another professional society (e.g. AMS, IAU, AAAS,
AGU), then you may become an affiliate member of the
DDA. What is the difference
between an affiliate member and a regular member?
By design, very little:
affiliate members have all the rights, privileges and responsibilities of
regular members, except that they may not hold any DDA office. Also, the
affiliate membership fee is higher ($15.00 instead of $10.00), due to costs
of extra administration. The intent of affiliate membership is to provide
a means for researchers who belong to professional societies other than the AAS
and with interests related to dynamical astronomy to join the DDA.
To become an affiliate member of the DDA, you must complete the following two steps:
Step 1. Fill out application form.
You need to fill out the affiliate membership application form. It must be signed by two regular members of the DDA. Return your completed form to the DDA Secretary:
Dr. Alice Monet ATTN: DDA Membership 3434 S. Wakefield St. Arlington, VA 22206The DDA Secretary will inform both you and the AAS of your membership approval, whereupon you may proceed to the next step.
Step 2. Payment.
Same as regular members Step 1, but the fee for affiliate membership is $15.00, and please specify that you are requesting affiliate DDA membership. You must complete the affiliate membership application form and be approved before sending your fee to the AAS. (The DDA Secretary will contact you upon approval.)