Filter Profile Service
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GCPD :Filters at GCPD
GCPD/Walraven :The VBLUW photometric system

GCPD/Walraven.W3253.243254.613253.873113.993397.84143.471181.213.34e-9  Walraven W filter in GCPD (ADPS)
GCPD/Walraven.U3630.063633.353643.083400.003896.25239.141457.063.29e-9  Walraven U filter in GCPD (ADPS)
X
GCPD/Walraven.U
Filter Description

Filter ID (?) :GCPD/Walraven.U
Description (?) :Walraven U filter in GCPD (ADPS)
Phot.System (?) :------
Detector Type (?) :Energy counter
Band Name (?) :U
Obs. Facility (?) :------
Instrument (?) :------
Comments (?) :0.91 relector. Leiden Southern Station, Union Obs., South Africa
1P21
Walraven & Walraven 1960: http://adsabs.harvard.edu/abs/1960BAN....15...67W

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 3630.06 ------- (Angstrom)
λmean (?) : 3633.35 ------- (Angstrom)
λcen (?) : 3632.97 ------- (Angstrom)
λeff (?) : 3643.08 ------- (Angstrom)
λpeak (?) : 3620.00 ------- (Angstrom)
λpivot (?) : 3630.06 ------- (Angstrom)
λphot (?) : 3645.61 ------- (Angstrom)
λmin (?) : 3400.00 ------- (Angstrom)
λmax (?) : 3896.25 ------- (Angstrom)
Weff (?) : 239.14 ------- (Angstrom)
FWHM (?) : 237.60 ------- (Angstrom)
Af/AV (?) : 1.57 ------- ()
Fsun (?) : ------- ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: ADPS

Transmission components: Filter + Instrument

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.29125e-9(erg/cm2/s/A)
  ------- 1457.06(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : GCPD/Walraven.U/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 8.20182e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : GCPD/Walraven.U/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 1607.47(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : GCPD/Walraven.U/ST
 


Filter added: 2014-12-07 03:54:15
Last update: 2020-08-30 19:07:49
GCPD/Walraven.L3835.103837.863858.153617.984078.77227.032822.625.68e-9  Walraven L filter in GCPD (ADPS)
GCPD/Walraven.B4315.374325.034312.973903.304785.46450.014189.146.75e-9  Walraven B filter in GCPD (ADPS)
GCPD/Walraven.V5455.115475.655435.914826.676380.00719.143609.323.66e-9  Walraven V filter in GCPD (ADPS)
 

Filter Plots

© SVO,   8967 filters available,   Last update: 2020-11-27
 
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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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