B band filters M.Lampton UCB Space Sciences Lab Nov 2003 More charts added Mar 2006, Oct 2006, Apr...
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B band filters
M.Lampton
UCB Space Sciences Lab
Nov 2003
More charts added Mar 2006, Oct 2006, Apr 2007
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M.S.Bessell “UBVRI Passbands” PASP 102 1181 1990Figure 8
• B90: Bessell 1990: GaAs + 2GG385+1BG12+1BG18
• B18t: Cousins 1973: S13 + 3GG13
• BB: Bessell 1976, 1979: S13 + 2GG385 + 1BG12+1BG18
• BGR: Graham 1982: GaAs + 3GG13
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Stanishev et al astro-ph/07041244 (2007)
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http://www.sao.ru/hq/moisav/scorpio/filters/filters.html
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http://www.optecinc.com/astronomy/filters/17132.gif
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KPNO glass filters for use with CCDs:B: 1mm BG12 + 2mm BG39 + 1mm GG385
http://www.ing.iac.es/~quality/filter/peletier/subsection3.1.3.html
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KPNO “B” band interferencehttp://www.ing.iac.es/~quality/filter/peletier/subsection3.1.1.html
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The RGO Glass Broad Band Filters (UBVRIZ)http://www.ing.iac.es/~quality/filter/peletier/subsection3.1.2.html
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MDM Observatory's 8K CCD array project: FILTERS FOR THE 8K CCD ARRAY
http://www.astro.columbia.edu/~arlin/MDM8K/filters.html
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ESO La Silla standard filter sets: Blue, redhttp://www.ls.eso.org/lasilla/Telescopes/2p2T/E2p2M/WFI/filters/
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http://www.gemini.edu/sciops/telescope/acqcam/filters/acqB_GS.gifGemini
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http://www.sbig.com/sbwhtmls/filters.htmSanta Barbara Instrument Group
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http://www.sbig.com/products/filters.htm Santa Barbara Instrument Group
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http://www.semrock.com/
Single-band filter and sets; over 100 models UV-VIS_NIR
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http://www.andcorp.com/Web_store/UBVRI/Johnson.htmlAndover Corporation
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http://www.andcorp.com/Web_store/UBVRI/Johnson.htmlAndover Corporation
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HST WFC3http://www.stsci.edu/instruments/wfc3/INSTR_HANDBK/wfc3_cy136.html
F438W (dotted)
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SDSS filtersFukugita et al 1996 AJ 111 1748
• blue side cutoff due to glass dye; reasonably rapid cutoff
• red side cutoff due to multi layer interference film
• overall good efficiency
• overall little ripple
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Megacam CFHThttp://bison.obs-besancon.fr/modele/cfhtls.html
http://www.cfht.hawaii.edu/Instruments/Filters/square300.html
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Cenko et al “Palomar 60 inch” astro-ph/0608323.pdf
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Asiago Database on filter Photometry Systems (ADPS)http://ulisse.pd.astro.it/Astro/ADPS/
http://aanda.u-strasbg.fr:2002/articles/aa/full/2003/14/aa3021/node1.html
• Moro, D., & Munari, U., 2000, A&AS, 147, 361 (Paper I)
• More than 100 photometric systems compared
• Several hundred UBV ugriz etc systems
• GIF plots
• Text listings
• Hot links to most of the original work
• ADPS 2003: Fiorucci & Munari A&A 401 pp.781-796, Paper II
– Parameters for all filters: various mean wavelengths, widths at 50% and 10%, asymmetries; synthetic photometry
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Conclusions
• There are a variety of B band filter profiles• One has a large asymmetry towards the red• Most are nearly symmetrical• Best choice for SNAP needs to be explored• In our longest NIR passband, a redward extension
is a serious contributor to our dark current owing to thermal tails of warm objects within our telescope
• We should explore symmetrical passbands