COSMOS filter set | COSMOS
Home For the Public For Astronomers For Reviewers Publications News The Team Internal COSMOS filter set Overview COSMOS filter set Multiwavelength Datasets HST X-Ray GALEX UV UV/Optical/NIR imaging UV/Optical/NIR spectroscopy Spitzer mid-IR Herschel far-IR Sub-millimeter Radio Enhanced Data Products Photometry Simulations Photometric redshifts Spectroscopic redshifts Galaxy morphology Large-scale structure Weak lensing Other tools This page contains a list of broad-, intermediate- and narrow-band filters from ground and space that are used by the COSMOS survey. For each filter we also provide the filter transmission curve (throughput vs. wavelength in Angstroms) for download. Ground based filter transmission curves are Filter + Optics + Mirror + Atmosphere + Detector, while space based Transmission curves are Filter + Optics + Mirror + Detector. All transmission curves are given in units of photons (QE). The wavelengths given in the tables are computed as the median wavelength weighted by transmission. For a quick view of the filter transmission, click on the filter name. Contact: Andreas Faisst - afaisst [at] ipac.caltech.edu SDSS SDSS Telescope Filters from the SDSS DR3 Camera Page. These are at airmass of 1.3. Name Wavelength [Å] Transmission SDSS u' 3573.89 u_SDSS.res SDSS g' 4723.55 g_SDSS.res SDSS r' 6202.46 r_SDSS.res SDSS i' 7522.43 i_SDSS.res SDSS z' 8912.52 z_SDSS.res 2MASS 2MASS Telescope Filters from the 2MASS Facilities and Operations pages. These are the 0.5mm water vapor atmosphere curves. Name Wavelength [Å] Transmission 2MASS J 12494.98 J_2mass.res 2MASS H 16467.24 H_2mass.res 2MASS Ks 21640.89 Ks_2mass.res CFHT (MegaPrime and Wircam) CFHT Megaprime Filters from SAGEM multiplied by the CFHT mirror, Megaprime-Optics, and CCDs at airmass of 1.2. Information can be found at the CFHT Filter Page and the Megaprime site. CFHT Wircam Filters are taken from The CFHT Filter Page. Name Wavelength [Å] Transmission CFHT/MegaPrime u* 3823.29 u_megaprime_sagem.res CFHT/MegaPrime g* 4877.37 g_megaprime_sagem.res CFHT/MegaPrime r* 6230.62 r_megaprime_sagem.res CFHT/MegaPrime i* 7617.66 i_megaprime_sagem.res CFHT/MegaPrime z* 8827.98 z_megaprime_sagem.res CFHT/Wircam H 16311.41 wircam_H.res CFHT/Wircam Ks 21590.44 wircam_Ks.res UKIRT Name Wavelength [Å] Transmission UKRIT/WFCAM Y 10367.94 WFCAM_Y.res UKIRT/UH88 J 12491.02 J_wfcam.res Gemini Name Wavelength [Å] Transmission CTIO/KPNO - Flamingos/ISPI Ks 21537.23 flamingos_Ks.res Subaru Hyper Suprime-Cam (Broad Band) The transmission curves are provided for an airmass of 1.2. Name Wavelength [Å] Transmission HSC / g 4816.12 g_HSC.txt HSC / r 6234.11 r_HSC.txt HSC / i 7740.58 i_HSC.txt HSC / z 9125.20 z_HSC.txt HSC / Y 9779.93 y_HSC.txt Subaru Suprime-Cam (Broad Band) The transmission curves are provided for an airmass of 1.2. Name Wavelength [Å] Transmission Subaru B 4458.32 B_subaru.res Subaru V 5477.83 V_subaru.res Subaru g+ 4777.07 g_subaru.res Subaru r+ 6288.71 r_subaru.res Subaru i+ 7683.88 i_subaru.res Subaru z+ with LL CCDs (2004-2008) 9036.88 z_subaru.res Subaru z++ with FD CCDs (Jan 2009) 9105.72 suprime_FDCCD_z.res Subaru Suprime-Cam (Intermediate Band) Subaru Telescope Intermediate Band Filters from the Suprime-Cam Intermediate Band Filter Page. These at airmass of 1.2 at the center of the filter. Name Wavelength [Å] Transmission Subaru IA427 4263.45 IB427.SuprimeCam.pb Subaru IA464 4635.13 IB464.SuprimeCam.pb Subaru IA484 4849.20 IB484.SuprimeCam.pb Subaru IA505 5062.51 IB505.SuprimeCam.pb Subaru IA527 5261.13 IB527.SuprimeCam.pb Subaru IA574 5764.76 IB574.SuprimeCam.pb Subaru IA624 6233.09 IB624.SuprimeCam.pb Subaru IA679 6781.13 IB679.SuprimeCam.pb Subaru IA709 7073.63 IB709.SuprimeCam.pb Subaru IA738 7361.56 IB738.SuprimeCam.pb Subaru IA767 7684.89 IB767.SuprimeCam.pb Subaru IA827 8244.53 IB827.SuprimeCam.pb Subaru Suprime-Cam (Narrow Band) Subaru Telescope Narrow Band Filters from the Suprime-Cam Intermediate Band Filter Page. These at airmass of 1.2 at the center of the filter. Name Wavelength [Å] Transmission Subaru NB711 7119.88 NB711.SuprimeCam.pb Subaru NB816 8149.39 NB816.SuprimeCam.pb NEWFIRM NEWFIRM-IA band filters provided with EAZY. Ks band filter from NOAO NEWFIRM page + the 2MASS atmosphere. Name Wavelength [Å] Transmission NEWFIRM J1 10468.80 J1.res NEWFIRM J2 11954.16 J2.res NEWFIRM J3 12784.78 J3.res NEWFIRM H1 15608.68 H1.res NEWFIRM H2 17072.10 H2.res NEWFIRM Ks 21718.94 Ks_newfirm.res VISTA-VIRCAM These filter curves were taken from the VIRCAM Instrument page and include the atmosphere and the instrumental response. Name Wavelength [Å] Transmission VISTA/Y 10214.19 Y_uv.res VISTA/J 12534.65 J_uv.res VISTA/H 16453.41 H_uv.res VISTA/Ks 21539.88 K_uv.res GALEX Galex Filter Transmission Curves in units of QE from Morrissey et. al. (2004) Name Wavelength [Å] Transmission GALEX FUV (1500A) 1539.78 galex1500.res GALEX NUV (2500A) 2313.89 galex2500.res HST HST Transmission Curves from The ACS Manual, The NICMOS manual, The WFC3 manual and WFPC2 curves Provided with the BPZ code Name Wavelength [Å] Transmission WFPC2/F300W 2999.97 F300W_WFPC2.res WFPC2/F450W 4573.61 F450_WFPC2.res ACS/F475W 4766.41 ACS_F475W.res ACS/F606W 5962.23 ACS_F606W.res ACS/F814W 8073.43 ACS_F814W.res WFC3/F105W 10552.00 wfc3_f105w.res WFC3/F125W 12501.04 wfc3-F125W.res WFC3/F140W 13970.98 wfc3-F140W.res WFC3/F160W 15418.27 wfc3-F160W.res NICMOS/F160W 15931.15 NICMOS_F160W.res Spitzer IRAC Transmission Curvevs from the IRAC Instrument page. MIPS Transmission Curvevs from the MIPS Instrument page converted to units of QE. NOTE: The Spitzer MIPS photometric system are not calibrated on the AB system. MIPS is calibrated relative to a 10,000K black body. As a result there are zero-point offsets between the pipeline calibrated Spitzer data and the AB system. These offsets are given below and must be added to the measured magnitude. These corrections can be found on page 30 of the MIPS data hand book. Name Wavelength [Å] Transmission IRAC 3.6 μm 35634.28 irac_ch1.res IRAC 4.5 μm 45110.13 irac_ch2.res IRAC 5.8 μm 57593.39 irac_ch3.res IRAC 8.0 μm 79594.95 irac_ch4.res MIPS 24 μm 236747.51 mips24.res MIPS 70 μm 714193.90 mips70.res MIPS 160 μm 1558939.35 mips160.res Herschel Transmission Curvevs provided by the GTO teams. Name Wavelength [Å] Transmission PACS 100 μm 1036928.77 PACS_filter_100.txt PACS 160 μm 1697691.33 PACS_filter_160.txt SPIRE 250 μm 2536859.83 SPIRE_filter_250.txt SPIRE 350 μm 3557125.92 SPIRE_filter_350.txt SPIRE 500 μm 5191371.41 SPIRE_filter_500.txt For the Public About Why different wavelengths? 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