| Site | Web Server | Aliases |
|---|
Harvard-Smithsonian Center for Astrophysics
 Harvard College Observatory
 Smithsonian Astrophysical Observatory
 Atomic and Molecular Physics
Planetary Sciences
Radio and Geoastronomy
Solar and Stellar Physics
Optical and Infrared Astronomy
| pluto | cfa-www, sao-www |
 Far-Infrared Spectroscopy
| cfaft8 | firs-www |
Theoretical Astrophysics
| cfata2 | |
NASA Astrophysics Data Systems
| adstoo | adswww |
High Energy Astrophysics
| spider | hea-www |
Chandra
| xrtpub | chandra |
Chandra Science (backup)
| asc | iasc |
Operations Control Center
| ipa | |
High Resolution Camera
HRC Callibration Facility
Data Systems
| spider | hea-www |