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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.

Keck/LWS.080083621.1683848.3983249.8775585.9794239.8111239.3154.752.37e-13KeckLWSLWS 8.0, 7.81-8.94
Keck/LWS.089088186.1788310.0787987.0082133.5995439.448178.0249.421.91e-13KeckLWSLWS 8.9, 8.39-9.27
Keck/LWS.0990100386.96100468.48100252.7394902.09106799.587448.9938.501.15e-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 (?) : 100468.48 ------- (Angstrom)
λcen (?) : 100432.69 ------- (Angstrom)
λeff (?) : 100252.73 ------- (Angstrom)
λpeak (?) : 97910.00 ------- (Angstrom)
λpivot (?) : 100386.96 ------- (Angstrom)
λphot (?) : 100306.82 ------- (Angstrom)
λmin (?) : 94902.09 ------- (Angstrom)
λmax (?) : 106799.58 ------- (Angstrom)
Weff (?) : 7448.99 ------- (Angstrom)
FWHM (?) : 7598.71 ------- (Angstrom)
Af/AV (?) : 0.0726 ------- ()
Fsun (?) : 0.024 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: Keck: LWS

Transmission components: Filter

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 1.14839e-13(erg/cm2/s/A)
  ------- 38.50(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Keck/LWS.0990/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 1.08307e-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)
  ------- 1217300.96(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Keck/LWS.0990/ST
 


Filter added: 2011-10-18 05:24:42
Last update: 2020-12-10 16:32:19
Keck/LWS.Nwide101095.38104871.3195317.1773559.35137327.0252412.1436.981.22e-13KeckLWSLWS Nwide, 7.73-13.31
Keck/LWS.1070106692.03107099.57106025.9889710.00129900.0015698.9734.059.08e-14KeckLWSLWS 10.7, 9.92-11.47
Keck/LWS.Spec10107837.08114452.1498001.9472999.19154200.0068146.7932.101.0e-13KeckLWSLWS Spec 10, >7.52 Ám (long pass)
Keck/LWS.1170116779.87116928.66116543.05109007.19125423.4310433.1328.576.31e-14KeckLWSLWS 11.7, 11.15-12.25
Keck/LWS.SiC117037.57117666.68116007.42100724.57133615.1522190.5828.366.32e-14KeckLWSLWS SiC, 10.64-12.96
Keck/LWS.1250126138.63126320.84125843.39117069.89136331.9411779.8224.564.65e-14KeckLWSLWS 12.5, 12.01-13.25
Keck/LWS.1765177315.20177400.71177174.39167592.96187781.458881.9612.571.2e-14KeckLWSLWS 17.65, 17.31-18.16
Keck/LWS.1875187397.87187474.97187264.34177868.02196880.319066.1711.229.6e-15KeckLWSLWS 18.75, 18.31-19.20
Keck/LWS.2310230978.24231033.80230886.21220595.57241806.147881.797.434.18e-15KeckLWSLWS 23.1, 22.74 - 23.47
Keck/LWS.2450245219.25245271.42245133.44235056.43255735.638001.376.603.29e-15KeckLWSLWS 24.5, 24.16 - 24.90
 

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© SVO,   10445 filters available,   Last update: 2021-06-26
 
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