Filter Profile Service
A repository of Filter information for the VO

KPNO/KP4in.Gunn_u3455.63454.330533850488.41289.3KPNOKP4inGunn u
KPNO/KP4in.Strom_u3534.23533.432653800277.51310.2KPNOKP4inStromgren u
X
KPNO/KP4in.Strom_u
Filter Description

Filter ID (?) :KPNO/KP4in.Strom_u
Description (?) :Stromgren u
Phot.System (?) :KP4in
Detector Type (?) :Energy counter
Band Name (?) :u
Obs. Facility (?) :KPNO
Instrument (?) :KP4in
Comments (?) :Stromgren u UG11+WG345

 
Mathematical properties

Property Calculated Specified Unit
λmean (?) : 3534.19 ------- (Angstrom)
λcen (?) : 3534.38 ------- (Angstrom)
λeff (?) : 3533.36 ------- (Angstrom)
λpeak (?) : 3530.00 ------- (Angstrom)
λpivot (?) : 3529.94 ------- (Angstrom)
λphot (?) : 3536.27 ------- (Angstrom)
λmin (?) : 3265.00 ------- (Angstrom)
λmax (?) : 3800.00 ------- (Angstrom)
Weff (?) : 277.54 ------- (Angstrom)
FWHM (?) : 278.06 ------- (Angstrom)
Af/AV (?) : 1.61 ------- ()

Transmission curve

Data file: ascii, VOTable

Reference for filter response: KPNO 4Inch filters

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.146e-9(erg/cm2/s/A)
  ------- 1310.17(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : KPNO/KP4in.Strom_u/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 8.719e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : KPNO/KP4in.Strom_u/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 1512.10(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : KPNO/KP4in.Strom_u/ST
 


Filter added: 2011-10-18 05:31:04
Last update: 2018-08-13 12:34:59
KPNO/KP4in.Gunn_v3978.44007.835254697500.03427.5KPNOKP4inGunn v
KPNO/KP4in.Strom_v4101.44100.139324297166.14144.3KPNOKP4inStromgren v
KPNO/KP4in.Strom_b4727.64723.345374941197.14118.4KPNOKP4inStromgren b
KPNO/KP4in.Gunn_g4956.04929.344495529707.23886.8KPNOKP4inGunn g
KPNO/KP4in.Strom_y5506.55503.052675756246.03592.4KPNOKP4inStromgren y
KPNO/KP4in.Gunn_r6501.36467.859237275745.82989.7KPNOKP4inGunn r
KPNO/KP4in.Gunn_I8160.98102.8728292631271.42370.3KPNOKP4inGunn I
KPNO/KP4in.Gunn_z10250.99952.18148120003463.52020.2KPNOKP4inGunn z
 

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)

© SVO,   5065 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: