Filter Profile Service
Carlos Rodrigo
A repository of Filter information for the VO.
Grant PID2020-112494GBI00 funded by
Astronomy (7905)Planetary science (616)Earth Obs. (2452)

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
GaiaXPy base XML file. You can download here the GaiaXPy base XML file for the full CTIO/DECam filter set. Please, take a look to the GaiaXPy web page and additional documentation for more information.

CTIO/DECam.u_filter3552.673580.783648.483035.594039.63764.481780.794.23e-9CTIODECamDECam u filter (filter only)
CTIO/DECam.u3814.333821.683856.883331.214070.00263.623631.007.48e-9CTIODECamDECam u filter (total transmission). DR1
CTIO/DECam.u_old3814.333821.683856.883342.084039.91263.622709.845.58e-9CTIODECamDECam u filter (total transmission). Old.
CTIO/DECam.g_filter4714.234773.994673.243931.245554.191313.994021.805.43e-9CTIODECamDECam g filter (filter only)
CTIO/DECam.g_old4808.514862.164770.063941.565528.131004.973976.905.16e-9CTIODECamDECam u filter (total transmission). Old.
CTIO/DECam.g4808.494862.244769.903850.485574.421003.723631.004.71e-9CTIODECamDECam g filter (total transmission). DR1
CTIO/DECam.VR_filter6218.656354.406075.854902.547656.342215.463223.172.5e-9CTIODECamDECam VR filter (filter only)
CTIO/DECam.r_filter6401.576444.806354.325620.207261.451369.093069.522.25e-9CTIODECamDECam r filter (filter only)
CTIO/DECam.r6417.656460.636370.445404.757295.861276.223631.002.64e-9CTIODECamDECam r filter (total transmission). DR1
CTIO/DECam.r_old6420.816463.926373.475540.727239.521262.613058.462.22e-9CTIODECamDECam r filter (total transmission). Old.
CTIO/DECam.i_old7813.527849.447773.536958.988646.471267.112471.091.21e-9CTIODECamDECam i filter (total transmission). Old.
CTIO/DECam.i7814.587850.777774.306793.738694.711281.013631.001.78e-9CTIODECamDECam i filter (total transmission). DR1
CTIO/DECam.i_filter7823.847858.777785.146988.248710.001369.582467.131.21e-9CTIODECamDECam i filter (filter only)
CTIO/DECam.z9168.859199.289154.888252.4210145.171289.353631.001.29e-9CTIODECamDECam z filter (total transmission). DR1
CTIO/DECam.z_old9169.289200.069155.108285.2210103.561307.532233.567.96e-10CTIODECamDECam z filter (total transmission). Old.
CTIO/DECam.z_filter9250.019281.689233.498363.0310169.171422.882227.057.8e-10CTIODECamDECam z filter (filter only)
CTIO/DECam.Y_old9892.559903.469882.839357.3210731.14689.972123.616.51e-10CTIODECamDECam Y filter (total transmission). Old.
Filter Description

Filter ID (?) :CTIO/DECam.Y_old
Description (?) :DECam Y filter (total transmission). Old.
Phot.System (?) :DECam
Detector Type (?) :Photon counter
Band Name (?) :------
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 (?) : 9892.55 ------- (Angstrom)
λmean (?) : 9903.46 ------- (Angstrom)
λcen (?) : 9850.18 ------- (Angstrom)
λeff (?) : 9882.83 ------- (Angstrom)
λpeak (?) : 9690.00 ------- (Angstrom)
λpivot (?) : 9892.55 ------- (Angstrom)
λphot (?) : 9889.86 ------- (Angstrom)
λmin (?) : 9357.32 ------- (Angstrom)
λmax (?) : 10731.14 ------- (Angstrom)
Weff (?) : 689.97 ------- (Angstrom)
FWHM (?) : 679.01 ------- (Angstrom)
Af/AV (?) : 0.435 ------- ()
Fsun (?) : 74.43 ------- (erg/cm2/s/A)


Data file: ascii, VOTable

Reference for filter response: Dark Energy Camera

Transmission components: Filter + Instrument + Atmosphereid:CTIO/DECam.Y_old

You can download here the GaiaXPy base XML file for the full CTIO/DECam filter set.
Please, take a look to GaiaXPy documentation for more information.

- GaiaXPy base XML file.

Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 6.50549e-10(erg/cm2/s/A)
  ------- 2123.61(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : CTIO/DECam.Y_old/Vega

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 1.11232e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : CTIO/DECam.Y_old/AB

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 11852.82(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : CTIO/DECam.Y_old/ST

Filter added: 2017-04-24 14:37:36
Last update: 2021-07-27 18:58:50
CTIO/DECam.Y9896.119906.839886.459301.5310698.80674.513631.001.11e-9CTIODECamDECam Y filter (total transmission). DR1
CTIO/DECam.Y_filter10086.6010102.6110071.129404.2810806.111091.572087.356.15e-10CTIODECamDECam Y filter (filter only)

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)

© SVO,   (SVO Privacy Policy),   10970 filters available,   Last update: 2023-06-19
If your research benefits from the use of the SVO Filter Profile Service, we would appreciate if you could include the following acknowledgement in your publication:

This research has made use of the SVO Filter Profile Service "Carlos Rodrigo", funded by MCIN/AEI/10.13039/501100011033/ through grant PID2020-112949GB-I00

and we would appreciate if you could include the following references in your publication: