The ADC is also working to make more extensive use of the World Wide Web (WWW or Web). The brief descriptions of the catalogs for which they exist (some of the older catalogs do not have such descriptions) are now on the Web. We plan to make it possible to search the Web for catalogs of interest using either the ADC keywords or user-defined terms. Catalogs of interest can then be ordered directly from the Web without a separate request to the ARCHIVES account on NSSDC's NDADS.
Another activity underway is the preparation of material for a second ADC CD-ROM. The first one was enthusiastically received, and the ADC has had many requests for a second one. We plan to put the largest of the catalogs most frequently requested on the new CD-ROM. Of major importance are the Durchmusterung catalogs, which were too large for the first CD-ROM. In this way, these large catalogs will be readily available without long ftp transmissions and without requiring extensive storage on a disk.
In cooperation with the CDS, we are now archiving major tables from journals as well as larger catalogs. The ADC is responsible for acquiring and processing such files from North American publications. We have begun discussions with the American Astronomical Society and will archive the files that they produce for their CD-ROM.
Of course, the ADC continues to archive new catalogs. Among the important ones received in the last few months are two supplements to the Position and Proper Motion catalogs, a catalog of new UBV photometric data for more than 25,000 stars, a bibliographic catalog of variable stars, and the Parkes-MIT-NRAO radio survey. We have also archived updated versions of earlier catalogs.
The ADC produces a quarterly electronic newsletter for those interested in keeping up with our activities in greater detail. To be put on the distribution list, send E-mail to email@example.com and in the body of the message, put the command:
SUBSCRIBE ADCNEWS Full namewith your real name (not your E-mail address). Previous issues of ADC News are also available by request, using E-mail from listserv. To get a list of the issues that are available, send E-mail to firstname.lastname@example.org and put the following command in the body of the message:
INDEX ADCNEWSTo retrieve Volume 1, Issue 1, for example, send an E-mail message to LISTSERV with the command:
GET ADCNEWS VOLUME1.ISSUE1