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GCPD :Filters at GCPD
GCPD/Cape :The UcBV photometric system

GCPD/Cape.Uc3925.003925.003925.003276.505002.82503.511194.762.32e-8  Cape Johnson U filter in GCPD (revised by Mann & von Braun 2014)
GCPD/Cape.Uc_ADPS3924.253938.193966.113437.954747.54373.123268.946.23e-9  Cape Johnson U filter in GCPD (ADPS)
X
GCPD/Cape.Uc_ADPS
Filter Description

Filter ID (?) :GCPD/Cape.Uc_ADPS
Description (?) :Cape Johnson U filter in GCPD (ADPS)
Phot.System (?) :Johnson
Detector Type (?) :Energy counter
Band Name (?) :U
Obs. Facility (?) :------
Instrument (?) :------
Comments (?) :Cape Town Royal Observatory
24-inch refracting telescope
2 mm Corning 9863
Arp (1958) : http://adsabs.harvard.edu/abs/1958AJ.....63..118A

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 3924.25 ------- (Angstrom)
λmean (?) : 3938.19 ------- (Angstrom)
λcen (?) : 3897.46 ------- (Angstrom)
λeff (?) : 3966.11 ------- (Angstrom)
λpeak (?) : 3900.00 ------- (Angstrom)
λpivot (?) : 3924.25 ------- (Angstrom)
λphot (?) : 3974.81 ------- (Angstrom)
λmin (?) : 3437.95 ------- (Angstrom)
λmax (?) : 4747.54 ------- (Angstrom)
Weff (?) : 373.12 ------- (Angstrom)
FWHM (?) : 329.19 ------- (Angstrom)
Af/AV (?) : 1.45 ------- ()
Fsun (?) : 134.42 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: ADPS

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 6.23013e-9(erg/cm2/s/A)
  ------- 3268.94(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : GCPD/Cape.Uc_ADPS/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 6.92017e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : GCPD/Cape.Uc_ADPS/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 1905.18(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : GCPD/Cape.Uc_ADPS/ST
 


Filter added: 2014-12-06 03:15:28
Last update: 2020-12-10 16:29:07
GCPD/Cape.B_ADPS4310.174334.514312.783641.745102.34759.974079.866.58e-9  Cape Johnson B filter in GCPD (ADPS)
GCPD/Cape.V_ADPS5447.825467.655429.054857.196500.00625.863616.003.68e-9  Cape Johnson V filter in GCPD (ADPS)
 

Filter Plots

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This research has made use of the SVO Filter Profile Service (http://svo2.cab.inta-csic.es/theory/fps/) supported from the Spanish MINECO through grant AYA2017-84089

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