Filter Profile Service
A repository of Filter information for the VO

OSN/Johnson.U3637.93687.831494108526.01818.0OSN U Johnson filter, OSN #01
X
OSN/Johnson.U
Filter Description

Filter ID (?) :OSN/Johnson.U
Description (?) :U Johnson filter, OSN #01
Phot.System (?) :Johnson
Detector Type (?) :Energy counter
Band Name (?) :U
Obs. Facility (?) :OSN
Instrument (?) :------
Comments (?) :Glass, UG1/1 + BG39/1+fused silica/3, 50x50x5

 
Mathematical properties

Property Calculated Specified Unit
λmean (?) : 3637.87 ------- (Angstrom)
λcen (?) : 3641.21 ------- (Angstrom)
λeff (?) : 3687.82 ------- (Angstrom)
λpeak (?) : 3696.00 ------- (Angstrom)
λpivot (?) : 3623.56 ------- (Angstrom)
λphot (?) : 3698.23 ------- (Angstrom)
λmin (?) : 3148.65 ------- (Angstrom)
λmax (?) : 4107.55 ------- (Angstrom)
Weff (?) : 525.97 ------- (Angstrom)
FWHM (?) : 535.36 ------- (Angstrom)
Af/AV (?) : 1.55 ------- ()

Transmission curve

Data file: ascii, VOTable

Reference for filter response: OSN

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 4.007e-9(erg/cm2/s/A)
  ------- 1817.96(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : OSN/Johnson.U/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 8.004e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : OSN/Johnson.U/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 1647.19(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : OSN/Johnson.U/ST
 


Filter added: 2012-07-19 15:53:02
Last update: 2019-05-15 16:21:24
OSN/Johnson.B4364.54336.7352857771094.43856.9OSN B Johnson filter, OSN #03
OSN/Johnson.V5456.05399.248426571914.93622.2OSN V Johnson filter, OSN #04
OSN/Johnson.Cousins_R16604.96406.6552292331577.22970.0OSN R(1) Cousins filter, OSN #05
OSN/Johnson.Cousins_R26633.86443.5557292211533.52955.5OSN R(2) Cousins filter, OSN #06
OSN/Johnson.Cousins_I28881.68586.67037118632957.12267.5OSN I(2) Cousins filter, OSN #08
OSN/Johnson.Cousins_I18910.28610.57038119272993.32261.6OSN I(1) Cousins filter, OSN #07
 

Filter Plots

© SVO,   5124 filters available,   Last update: 2019-11-30
 
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 (http://svo2.cab.inta-csic.es/theory/fps/) supported from the Spanish MINECO through grant AYA2017-84089

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