Filter Profile Service
A repository of Filter information for the VO
Astronomy (6166)Planetary science (336)Earth Obs. (1901)

CTIO :Cerro Tololo Inter-American Observatory
CTIO/DECam :Dark Energy Camera (DECam) is a high-performance, wide-field CCD imager mounted at the prime focus of the Blanco 4-m telescope at CTIO.

CTIO/DECam.u_filter3552.673580.783648.683034.174039.37764.481852.154.17e-9CTIODECamDECam u filter (filter only)
CTIO/DECam.u3814.333821.683857.113340.174039.75263.622734.635.51e-9CTIODECamDECam u filter (total transmission). DR1
CTIO/DECam.u_old3814.333821.683857.113340.174039.75263.622734.635.51e-9CTIODECamDECam u filter (total transmission). Old.
CTIO/DECam.g_filter4714.234773.994674.323928.635553.941313.993941.475.41e-9CTIODECamDECam g filter (filter only)
CTIO/DECam.g_old4808.514862.164770.913938.765527.921004.983905.165.14e-9CTIODECamDECam u filter (total transmission). Old.
Filter Description

Filter ID (?) :CTIO/DECam.g_old
Description (?) :DECam u filter (total transmission). Old.
Phot.System (?) :DECam
Detector Type (?) :Photon counter
Band Name (?) :g
Obs. Facility (?) :CTIO
Instrument (?) :DECam
Comments (?) :Old throughput measurements: this is provided for legacy use only (e.g. trying to reproduce earlier published results). The DR1 values are to be used by default.

Mathematical properties

Property Calculated Specified Unit
λref (?) : 4808.51 ------- (Angstrom)
λmean (?) : 4862.16 ------- (Angstrom)
λcen (?) : 4827.12 ------- (Angstrom)
λeff (?) : 4770.91 ------- (Angstrom)
λpeak (?) : 5440.00 ------- (Angstrom)
λpivot (?) : 4808.51 ------- (Angstrom)
λphot (?) : 4807.26 ------- (Angstrom)
λmin (?) : 3938.76 ------- (Angstrom)
λmax (?) : 5527.92 ------- (Angstrom)
Weff (?) : 1004.98 ------- (Angstrom)
FWHM (?) : 1296.37 ------- (Angstrom)
Af/AV (?) : 1.20 ------- ()
Fsun (?) : ------- ------- (erg/cm2/s/A)


Data file: ascii, VOTable

Reference for filter response: Dark Energy Camera

Transmission components: Filter + Instrument + Atmosphere

Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 5.14348e-9(erg/cm2/s/A)
  ------- 3905.16(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : CTIO/DECam.g_old/Vega

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 4.78239e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : CTIO/DECam.g_old/AB

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 2756.82(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : CTIO/DECam.g_old/ST

Filter added: 2017-04-24 14:34:58
Last update: 2020-08-30 19:07:49
CTIO/DECam.g4808.494862.244770.833925.425529.961003.733905.015.14e-9CTIODECamDECam g filter (total transmission). DR1
CTIO/DECam.VR_filter6218.656354.406078.234894.647655.212215.453086.902.5e-9CTIODECamDECam VR filter (filter only)
CTIO/DECam.r_filter6401.566444.806355.205617.747260.481369.083036.312.25e-9CTIODECamDECam r filter (filter only)
CTIO/DECam.r6417.656460.626371.335519.977233.721276.223027.322.24e-9CTIODECamDECam r filter (total transmission). DR1
CTIO/DECam.r_old6420.816463.926374.345506.417238.441262.613025.712.23e-9CTIODECamDECam r filter (total transmission). Old.
CTIO/DECam.i_old7813.507849.427773.456949.708646.251267.092468.471.22e-9CTIODECamDECam i filter (total transmission). Old.
CTIO/DECam.i7814.587850.777774.196948.188645.681281.002467.821.22e-9CTIODECamDECam i filter (total transmission). DR1
CTIO/DECam.i_filter7823.847858.777784.926982.838705.931369.582465.011.22e-9CTIODECamDECam i filter (filter only)
CTIO/DECam.z9168.869199.299157.908341.2010074.261289.332247.338.03e-10CTIODECamDECam z filter (total transmission). DR1
CTIO/DECam.z_old9169.299200.079158.118284.4610102.191307.462247.148.03e-10CTIODECamDECam z filter (total transmission). Old.
CTIO/DECam.z_filter9250.019281.689236.258359.6810165.851422.882241.617.88e-10CTIODECamDECam z filter (filter only)
CTIO/DECam.Y_old9892.559903.479882.739354.9710729.79689.972145.996.59e-10CTIODECamDECam Y filter (total transmission). Old.
CTIO/DECam.Y9896.119906.839886.359364.7710685.78674.512146.186.58e-10CTIODECamDECam Y filter (total transmission). DR1
CTIO/DECam.Y_filter10086.6010102.6110071.299400.0710804.981091.572107.906.23e-10CTIODECamDECam Y filter (filter only)

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)

© SVO,   8400 filters available,   Last update: 2020-09-01
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This research has made use of the SVO Filter Profile Service ( supported from the Spanish MINECO through grant AYA2017-84089

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