Filter Profile Service
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WHT :William Herschel Telescope
WHT/LRIS :LIRIS (Long-slit Intermediate Resolution Infrared Spectrograph) is a near-IR imager/spectrograph for use at the Cassegrain focus of the 4.2m William Herschel Telescope.

WHT/LRIS.Z10329.7510334.3010326.439697.6010926.72507.092063.745.8e-10WHTLRISLRIS Z
WHT/LRIS.Jc12312.1112312.6912311.3212112.0012596.40186.661608.303.18e-10WHTLRISLRIS Jc
WHT/LRIS.J12488.2512516.5812447.4211010.0013995.001544.371556.603.01e-10WHTLRISLRIS J
WHT/LRIS.Pab12945.3512946.0112946.5712711.4013195.80211.291456.732.61e-10WHTLRISLRIS Pab
WHT/LRIS.Hc15773.5215774.7515771.6715214.0016398.10243.851082.311.3e-10WHTLRISLRIS Hc
WHT/LRIS.H16189.1516262.1916093.9114097.3018198.202828.811049.011.21e-10WHTLRISLRIS H
WHT/LRIS.FeII16467.5716468.6116468.3716013.0016994.90270.311016.571.12e-10WHTLRISLRIS FeII
WHT/LRIS.CH416823.2916843.0616797.4415177.1218496.701376.28993.641.06e-10WHTLRISLRIS CH4
WHT/LRIS.HeI20612.2920613.7020610.1620017.7021192.10312.60727.475.13e-11WHTLRISLRIS HeI
WHT/LRIS.H2p1021240.6621242.3121237.8320518.3021991.10339.09688.784.58e-11WHTLRISLRIS H2p10
WHT/LRIS.Ks21411.6521472.7621319.2419016.5023935.703012.80675.844.46e-11WHTLRISLRIS Ks
X
WHT/LRIS.Ks
Filter Description

Filter ID (?) :WHT/LRIS.Ks
Description (?) :LRIS Ks
Phot.System (?) :LRIS
Detector Type (?) :Energy counter
Band Name (?) :Ks
Obs. Facility (?) :WHT
Instrument (?) :LRIS
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 21411.65 ------- (Angstrom)
λmean (?) : 21472.76 ------- (Angstrom)
λcen (?) : 21478.14 ------- (Angstrom)
λeff (?) : 21319.24 ------- (Angstrom)
λpeak (?) : 21144.00 ------- (Angstrom)
λpivot (?) : 21411.65 ------- (Angstrom)
λphot (?) : 21359.72 ------- (Angstrom)
λmin (?) : 19016.50 ------- (Angstrom)
λmax (?) : 23935.70 ------- (Angstrom)
Weff (?) : 3012.80 ------- (Angstrom)
FWHM (?) : 3104.86 ------- (Angstrom)
Af/AV (?) : 0.127 ------- ()
Fsun (?) : ------- ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: ING: LRIS

Transmission components: Filter

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 4.45778e-11(erg/cm2/s/A)
  ------- 675.84(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : WHT/LRIS.Ks/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 2.39499e-10(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : WHT/LRIS.Ks/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 55048.95(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : WHT/LRIS.Ks/ST
 


Filter added: 2011-10-18 09:33:26
Last update: 2020-08-30 19:07:49
WHT/LRIS.Brg21710.4521712.6721708.6321018.8022491.70360.33641.264.08e-11WHTLRISLRIS Brg
WHT/LRIS.H2p2122416.7322418.5122414.1221712.0023098.20403.07627.693.75e-11WHTLRISLRIS H2p21
WHT/LRIS.Kc22671.2322673.4122667.9922010.4023396.60350.30615.413.59e-11WHTLRISLRIS Kc
 

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)

© SVO,   8400 filters available,   Last update: 2020-09-01
 
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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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