Filter Profile Service
A repository of Filter information for the VO.
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Keck :W.M. Keck Observatory
Keck/LWS :The Long Wavelength Spectrometer (LWS) is a Keck facility instrument offering diffraction-limited imaging and spectroscopy in the 3-25 ┬Ám range from the forward Cassegrain focus on Keck I. id:Keck/LWS.a

Keck/LWS.080083621.1683848.3983249.4375585.9794239.8111239.3153.762.3e-13KeckLWSLWS 8.0, 7.81-8.94
Keck/LWS.089088186.1788310.0787986.2082133.5995439.448178.0248.311.86e-13KeckLWSLWS 8.9, 8.39-9.27
Keck/LWS.0990100386.96100468.49100252.6494902.09106799.587448.9937.561.12e-13KeckLWSLWS 9.9, 9.67-10.42
X
Keck/LWS.0990
Filter Description

Filter ID (?) :Keck/LWS.0990
Description (?) :LWS 9.9, 9.67-10.42
Phot.System (?) :LWS
Detector Type (?) :Energy counter
Band Name (?) :------
Obs. Facility (?) :Keck
Instrument (?) :LWS
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 100386.96 ------- (Angstrom)
λmean (?) : 100468.49 ------- (Angstrom)
λcen (?) : 100432.69 ------- (Angstrom)
λeff (?) : 100252.64 ------- (Angstrom)
λpeak (?) : 97910.00 ------- (Angstrom)
λpivot (?) : 100386.96 ------- (Angstrom)
λphot (?) : 100306.72 ------- (Angstrom)
λmin (?) : 94902.09 ------- (Angstrom)
λmax (?) : 106799.58 ------- (Angstrom)
Weff (?) : 7448.99 ------- (Angstrom)
FWHM (?) : 7598.71 ------- (Angstrom)
Af/AV (?) : 0.0723 ------- ()
Fsun (?) : 0.024 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: Keck: LWS

Transmission components: Filterid:Keck/LWS.0990

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 1.11748e-13(erg/cm2/s/A)
  ------- 37.56(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Keck/LWS.0990/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 1.08017e-11(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Keck/LWS.0990/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 1220562.86(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Keck/LWS.0990/ST
 


Filter added: 2011-10-18 05:24:42
Last update: 2021-07-27 20:04:08
Keck/LWS.Nwide101095.39104871.3295315.5473559.35137327.0252412.1540.491.19e-13KeckLWSLWS Nwide, 7.73-13.31
Keck/LWS.1070106692.03107099.57106025.7789710.00129900.0015698.9733.558.84e-14KeckLWSLWS 10.7, 9.92-11.47
Keck/LWS.Spec10107837.24114452.3698000.2072999.19154200.0068147.1937.829.75e-14KeckLWSLWS Spec 10, >7.52 Ám (long pass)
Keck/LWS.1170116779.87116928.65116543.30109007.19125423.4310433.1327.916.14e-14KeckLWSLWS 11.7, 11.15-12.25
Keck/LWS.SiC117037.57117666.68115997.11100724.57133615.1522190.5828.076.14e-14KeckLWSLWS SiC, 10.64-12.96
Keck/LWS.1250126138.63126320.84125843.42117069.89136331.9411779.8224.014.52e-14KeckLWSLWS 12.5, 12.01-13.25
Keck/LWS.1765177315.20177400.71177174.45167592.96187781.458881.9612.231.17e-14KeckLWSLWS 17.65, 17.31-18.16
Keck/LWS.1875187397.87187474.97187268.64177868.02196880.319066.1710.959.35e-15KeckLWSLWS 18.75, 18.31-19.20
Keck/LWS.2310230978.24231033.80230887.23220595.57241806.147881.797.224.06e-15KeckLWSLWS 23.1, 22.74 - 23.47
Keck/LWS.2450245219.25245271.42245133.93235056.43255735.638001.376.423.2e-15KeckLWSLWS 24.5, 24.16 - 24.90
 

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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

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