Filter Profile Service
A repository of Filter information for the VO

Keck :W.M. Keck Observatory
Keck/NIRC2 :NIRC2 is a near-infrared imager designed for the Keck adaptive optics system.

Keck/NIRC2.J12501.612434.511490134831501.51558.9KeckNIRC2NIRC2 J
X
Keck/NIRC2.J
Filter Description

Filter ID (?) :Keck/NIRC2.J
Description (?) :NIRC2 J
Phot.System (?) :NIRC2
Detector Type (?) :Photon counter
Band Name (?) :J
Obs. Facility (?) :Keck
Instrument (?) :NIRC2
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λmean (?) : 12501.55 ------- (Angstrom)
λcen (?) : 12477.90 ------- (Angstrom)
λeff (?) : 12434.47 ------- (Angstrom)
λpeak (?) : 12634.06 ------- (Angstrom)
λpivot (?) : 12474.17 ------- (Angstrom)
λphot (?) : 12452.81 ------- (Angstrom)
λmin (?) : 11489.94 ------- (Angstrom)
λmax (?) : 13483.32 ------- (Angstrom)
Weff (?) : 1501.51 ------- (Angstrom)
FWHM (?) : 1633.25 ------- (Angstrom)
Af/AV (?) : 0.30 ------- ()
Fsun (?) : ------- ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: Keck: NIRC2

Transmission components: Filter

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.023e-10(erg/cm2/s/A)
  ------- 1558.92(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Keck/NIRC2.J/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 7.040e-10(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Keck/NIRC2.J/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 18726.65(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Keck/NIRC2.J/ST
 


Filter added: 2011-10-18 05:26:02
Last update: 2020-07-28 01:34:17
Keck/NIRC2.Hcont15853.615851.91562316067225.11075.5KeckNIRC2NIRC2 Hcont
Keck/NIRC2.H16358.316197.914503180892791.21040.4KeckNIRC2NIRC2 H
Keck/NIRC2.Fell16500.816502.41626016740247.71019.3KeckNIRC2NIRC2 Fell
Keck/NIRC2.Kp21272.021084.519134233293211.9686.5KeckNIRC2NIRC2 Kp
Keck/NIRC2.Ks21499.921354.719544233652931.5674.1KeckNIRC2NIRC2 Ks
Keck/NIRC2.Brgamma21572.021568.52134921781202.3644.7KeckNIRC2NIRC2 Brgamma
Keck/NIRC2.K22025.321862.119864239713048.7646.7KeckNIRC2NIRC2 K
Keck/NIRC2.Kcont22876.522874.42252523202318.7605.8KeckNIRC2NIRC2 Kcont
Keck/NIRC2.Lp37869.237433.033266422026325.4246.7KeckNIRC2NIRC2 Lp
Keck/NIRC2.Ms46705.346660.044965486502414.2165.7KeckNIRC2NIRC2 Ms
 

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)

© SVO,   6356 filters available,   Last update: 2020-07-31
 
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: