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

GCPD filters:CapeCousinsDDOEggenGenevaJHKLMNJohnsonStromgrenVilniusWalravenWashingtonWBVR
 

Filter ID λref λmean λeff λmin λmax Weff ZPν ZPλ Obs. Facility Instrument Description
GCPD/Cape.Uc3901.603932.953978.483276.505002.82503.512875.825.66e-9  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)
GCPD/Cape.B_ADPS4310.174334.514312.783641.745102.34759.974079.866.58e-9  Cape Johnson B filter in GCPD (ADPS)
X
GCPD/Cape.B_ADPS
Filter Description

Filter ID (?) :GCPD/Cape.B_ADPS
Description (?) :Cape Johnson B filter in GCPD (ADPS)
Phot.System (?) :Johnson
Detector Type (?) :Energy counter
Band Name (?) :B
Obs. Facility (?) :------
Instrument (?) :------
Comments (?) :Cape Town Royal Observatory
24-inch refracting telescope
2 mm Schott GG13 + 2 mm BG12
Arp (1958) : http://adsabs.harvard.edu/abs/1958AJ.....63..118A

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 4310.17 ------- (Angstrom)
λmean (?) : 4334.51 ------- (Angstrom)
λcen (?) : 4329.28 ------- (Angstrom)
λeff (?) : 4312.78 ------- (Angstrom)
λpeak (?) : 4300.00 ------- (Angstrom)
λpivot (?) : 4310.17 ------- (Angstrom)
λphot (?) : 4327.82 ------- (Angstrom)
λmin (?) : 3641.74 ------- (Angstrom)
λmax (?) : 5102.34 ------- (Angstrom)
Weff (?) : 759.97 ------- (Angstrom)
FWHM (?) : 768.62 ------- (Angstrom)
Af/AV (?) : 1.33 ------- ()
Fsun (?) : 175.47 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: ADPS

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 6.57585e-9(erg/cm2/s/A)
  ------- 4079.86(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : GCPD/Cape.B_ADPS/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 5.85239e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : GCPD/Cape.B_ADPS/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 2252.78(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : GCPD/Cape.B_ADPS/ST
 


Filter added: 2014-12-06 03:13:17
Last update: 2020-12-10 16:29:07
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 Spanish Virtual Observatory (https://svo.cab.inta-csic.es) project funded by MCIN/AEI/10.13039/501100011033/ through grant PID2020-112949GB-I00

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