Filter Profile Service
A repository of Filter information for the VO.
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KPNO :Kitt Peak National Observatory
KPNO/KP4in :KPNO list of 4Inch filtersid:KPNO/KP4in.a
GaiaXPy base XML file. You can download here the GaiaXPy base XML file for the full KPNO/KP4in filter set. Please, take a look to the GaiaXPy web page and additional documentation for more information.

KPNO/KP4in.Gunn_u3444.013455.613454.343053.313850.00488.441300.353.29e-9KPNOKP4inGunn u
KPNO/KP4in.Strom_u3529.943534.193533.343265.003800.00277.541325.373.19e-9KPNOKP4inStromgren u
KPNO/KP4in.Gunn_v3964.283978.404007.103524.654697.34499.963390.146.47e-9KPNOKP4inGunn v
KPNO/KP4in.Strom_v4100.224101.394100.033932.344297.21166.124181.477.46e-9KPNOKP4inStromgren v
KPNO/KP4in.Strom_b4726.214727.594723.254537.164941.07197.144132.505.55e-9KPNOKP4inStromgren b
X
KPNO/KP4in.Strom_b
Filter Description

Filter ID (?) :KPNO/KP4in.Strom_b
Description (?) :Stromgren b
Phot.System (?) :KP4in
Detector Type (?) :Energy counter
Band Name (?) :b
Obs. Facility (?) :KPNO
Instrument (?) :KP4in
Comments (?) :Stromgren b
4X4 9.84mm

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 4726.21 ------- (Angstrom)
λmean (?) : 4727.59 ------- (Angstrom)
λcen (?) : 4725.64 ------- (Angstrom)
λeff (?) : 4723.25 ------- (Angstrom)
λpeak (?) : 4735.00 ------- (Angstrom)
λpivot (?) : 4726.21 ------- (Angstrom)
λphot (?) : 4724.13 ------- (Angstrom)
λmin (?) : 4537.16 ------- (Angstrom)
λmax (?) : 4941.07 ------- (Angstrom)
Weff (?) : 197.14 ------- (Angstrom)
FWHM (?) : 193.44 ------- (Angstrom)
Af/AV (?) : 1.21 ------- ()
Fsun (?) : 201.29 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: KPNO 4Inch filters

Transmission components: Filterid:KPNO/KP4in.Strom_b
 

You can download here the GaiaXPy base XML file for the full KPNO/KP4in 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 (?) : ------- 5.54635e-9(erg/cm2/s/A)
  ------- 4132.50(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : KPNO/KP4in.Strom_b/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 4.87327e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : KPNO/KP4in.Strom_b/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 2705.41(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : KPNO/KP4in.Strom_b/ST
 


Filter added: 2011-10-18 05:31:04
Last update: 2021-07-27 20:05:16
KPNO/KP4in.Gunn_g4941.614955.974929.144449.015529.21707.163909.044.8e-9KPNOKP4inGunn g
KPNO/KP4in.Strom_y5504.675506.495502.925266.735755.67246.013600.373.56e-9KPNOKP4inStromgren y
KPNO/KP4in.Gunn_r6485.406501.256467.685922.587275.36745.782992.432.13e-9KPNOKP4inGunn r
KPNO/KP4in.Gunn_I8131.908160.878104.127281.669262.901271.362368.231.07e-9KPNOKP4inGunn I
KPNO/KP4in.Gunn_z10096.9810250.919948.078147.8912000.003463.502054.796.04e-10KPNOKP4inGunn z
 

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)

© SVO,   (SVO Privacy Policy),   10970 filters available,   Last update: 2023-06-19
 
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 Spanish Virtual Observatory (https://svo.cab.inta-csic.es) project funded by MCIN/AEI/10.13039/501100011033/ through grant PID2020-112949GB-I00

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