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Welcome to the CfA Optical/Infrared Science Archive!
This site provides a simple interface for downloading large batches of processed spectra, obtained from optical/infrared spectrographs on the CfA's ground-based telescopes. To get started, click the Search Data button up top!
To perform more sophisticated queries, we encourage you to point TopCat, Aladin, or other Virtul Observatory tools to the "CfA Hectospec" SSAP service.
This site has launched (in 2016) with access to 10-plus years of data from the Hectospec fiber-fed spectrograph on the 6.5m MMT, uniformly processed with the latest data reduction pipeline. The table below lists instruments we intend to add in future years.
If you make use of any spectra provided here, we ask that you cite both the relevant instrument/pipeline paper from the table below, as well as the original publication reference for the spectra you use (provided with all search results).
- Hectospec Multi-Fiber Spectrograph
- Instrument webpage
- Data reduction pipeline: HSRED
- Instrument paper: Hectospec, the MMT's 300 Optical Fiber-Fed Spectrograph
- Specification of Hectospec data
- Hectochelle Multi-Fiber Spectrograph
- Instrument webpage
- Instrument paper: Hectochelle: A Multiobject Optical Echelle Spectrograph for the MMT
- MMIRS Near Infrared Spectrograph
- Instrument webpage
- Data reduction pipeline
- Instrument paper: MMT and Magellan Infrared Spectrograph
- Data reduction paper: Data Reduction Pipeline for the MMT and Magellan Infrared Spectrograph
- FAST Long-slit Spectrograph
- Instrument webpage
- Data reduction pipeline
- Instrument paper: The FAST Spectrograph for the Tillinghast Telescope
- TRES Echelle Spectrograph
- Echelle Spectrograph
Acknowledgments
This archive makes use of the DaCHS (Data Center Helper Suite), and we thank Markus Demleitner for support. We acknowledge that NOAO Science Archive was used as website templates for our archive.