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filter_information [2016/11/18 21:45] mike created |
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- | Available Filters | ||
- | * UBVRI Cousins/ | ||
- | * 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' | ||
- | * 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) | ||
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- | 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" | ||
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- | We DO have 5.75 inch holders (made for the Windhorst set). | ||
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- | Tracings | ||
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- | For filter tracings, see this library. | ||