Filter Profile Service
Carlos Rodrigo
A repository of Filter information for the VO.
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GCPD :Filters at GCPD
GCPD/Johnson :Johnson photometric systemid:GCPD/Johnson.a
GaiaXPy base XML file. You can download here the GaiaXPy base XML file for the full GCPD/Johnson filter set. Please, take a look to the GaiaXPy web page and additional documentation for more information.

GCPD/Johnson.U_Landolt3376.533416.493455.722756.304209.57939.501417.813.73e-9  Johnson U filter in GCPD-Landolt 1983
GCPD/Johnson.U_ADPS3478.953502.063529.422953.824086.11680.401448.623.59e-9  Johnson U filter in GCPD-UBV (ADPS)
GCPD/Johnson.U_Mendoza3516.763536.133569.643012.504100.00658.001500.253.64e-9  Johnson U filter in GCPD-UBVRI, Mendoza (ADPS)
GCPD/Johnson.U3595.213618.233678.272956.444164.86580.761810.854.2e-9  Johnson U filter in GCPD (revised by Mann & von Braun 2014)
X
GCPD/Johnson.U
Filter Description

Filter ID (?) :GCPD/Johnson.U
Description (?) :Johnson U filter in GCPD (revised by Mann & von Braun 2014)
Phot.System (?) :Johnson
Detector Type (?) :Energy counter
Band Name (?) :U
Obs. Facility (?) :------
Instrument (?) :------
Comments (?) :0.33m and 2.08m (reflector), Mc Donald Obs.
RCA 1P21
Corning 9863
Johnson & Morgan 1953: http://adsabs.harvard.edu/abs/1953ApJ...117..313J

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 3595.21 ------- (Angstrom)
λmean (?) : 3618.23 ------- (Angstrom)
λcen (?) : 3649.17 ------- (Angstrom)
λeff (?) : 3678.27 ------- (Angstrom)
λpeak (?) : 3752.00 ------- (Angstrom)
λpivot (?) : 3595.21 ------- (Angstrom)
λphot (?) : 3694.01 ------- (Angstrom)
λmin (?) : 2956.44 ------- (Angstrom)
λmax (?) : 4164.86 ------- (Angstrom)
Weff (?) : 580.76 ------- (Angstrom)
FWHM (?) : 560.32 ------- (Angstrom)
Af/AV (?) : 1.58 ------- ()
Fsun (?) : 104.44 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: Mann & von Braun 2014

Transmission components: Filter + Instrumentid:GCPD/Johnson.U
 

You can download here the GaiaXPy base XML file for the full GCPD/Johnson 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 (?) : ------- 4.20007e-9(erg/cm2/s/A)
  ------- 1810.85(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : GCPD/Johnson.U/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 8.42168e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : GCPD/Johnson.U/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 1565.50(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : GCPD/Johnson.U/ST
 

Reference for calibration: Mann & von Braun 2014


Filter added: 2014-12-07 04:48:32
Last update: 2022-05-04 15:54:33
GCPD/Johnson.U_Straizys3628.323641.753682.043102.634114.29452.901681.073.83e-9  Johnson U filter in GCPD-UBV, Straizys (ADPS)
GCPD/Johnson.B_Landolt4284.084313.354299.243613.135112.72843.113931.986.42e-9  Johnson U filter in GCPD-Landolt 1983
GCPD/Johnson.B4368.394410.004365.053614.505413.33992.114015.686.31e-9  Johnson B filter in GCPD (revised by Mann & von Braun 2014)
GCPD/Johnson.B_ADPS4382.274424.664373.163681.255496.15987.704015.006.27e-9  Johnson B filter in GCPD-UBV (ADPS)
GCPD/Johnson.B_Mendoza4399.084439.294389.233675.005500.00950.004030.236.24e-9  Johnson B filter in GCPD-UBVRI, Mendoza (ADPS)
GCPD/Johnson.B_Straizys4404.964448.064394.483661.765500.001010.304019.916.21e-9  Johnson B filter in GCPD-UBV, Straizys (ADPS)
GCPD/Johnson.V_Landolt5419.175446.495393.854796.166454.89870.583665.973.74e-9  Johnson V filter in GCPD-Landolt 1983
GCPD/Johnson.V_Straizys5469.975504.675438.234766.676900.00870.653633.353.64e-9  Johnson V filter in GCPD-UBV, Straizys (ADPS)
GCPD/Johnson.V5486.315523.925451.774742.586862.30870.343620.463.61e-9  Johnson V filter in GCPD (revised by Mann & von Braun 2014)
GCPD/Johnson.V_Mendoza5499.255535.475465.484700.007300.00902.353618.013.59e-9  Johnson V filter in GCPD-UBVRI, Mendoza (ADPS)
GCPD/Johnson.V_ADPS5506.995543.045472.954666.677033.33898.933613.573.57e-9  Johnson V filter in GCPD-UBV (ADPS)
GCPD/Johnson.R_Landolt6440.706541.216342.865403.708853.861638.873081.622.23e-9  Johnson R filter in GCPD-Landolt 1983
GCPD/Johnson.R_Mendoza6815.276936.126692.025250.009450.002071.502906.541.88e-9  Johnson R filter in GCPD-UBVRI, Mendoza (ADPS)
GCPD/Johnson.R7047.927112.406985.865962.258977.901528.512763.771.67e-9  Johnson R filter in GCPD-UBVRI, Mendoza (revised by Mann & von Braun 2014)
GCPD/Johnson.I_Landolt8065.808102.668025.636892.249041.471322.812385.341.1e-9  Johnson I filter in GCPD-Landolt 1983
GCPD/Johnson.I_Mendoza8654.258776.818563.436900.0011800.002312.002305.959.23e-10  Johnson I filter in GCPD-UBVRI, Mendoza (ADPS)
 

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)


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