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filter_information [2016/11/18 21:45]
mike created
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-Available Filters 
-  * UBVRI Cousins/Bessel  
-    * U: UG1(1mm) BG40(3mm) Peak-360nm FWHM-70nm  
-    * B: GG385(2mm) BG12(1mm) BG39(1mm) Peak-440nm FWHM-100nm  
-    * V: GG495(2mm) BG39(2mm) Peak-550nm FWHM-90nm  
-    * R: OG570(2mm) KG3(2mm) Peak-700nm FWHM-220nm  
-    * I: RG9(4mm) Peak-880nm FWHM-240nm (interference filter so there's a many-layer coating that defines the passband 
-  * SDSS set, u', g', r', i' z' (courtesy X. Fan). 
-  * Two H-alpha filters (courtesy Rob Kennicutt).  
-    * For each filter there are two transmission curve -- one tested for a beam at normal incidence and the other one for a beam at ~10 degrees. 
-    * Note from Janice Lee in 2006: "My rough estimate is 3e-17 ergs/cm^2/s in an hour for a 5-sigma point source detection." 
-  * Washington C, M, DDO51 (courtesy Edward Olszewski) 
- 
-It is also possible to borrow NOAO's 5.75-inch Mosaic filters. It requires asking for permission (and hoping no NOAO users want them)  
-and NOAO staff and Bill Wood making the exchange. You must fill out a "how will I replace these if they get ruined" form from NOAO.  
- 
-We DO have 5.75 inch holders (made for the Windhorst set). 
- 
-Tracings 
- 
-For filter tracings, see this library. 
  
filter_information.1479530724.txt.gz ยท Last modified: 2016/11/18 21:45 by mike