Filter Profile Service
A repository of Filter information for the VO
Grant PID2020-112494GBI00 funded by
Astronomy (7543)Planetary science (616)Earth Obs. (2439)


NOAA :U.S. National Oceanic and Atmospheric Administration.
NOAA/AVHRR-18 :The Advanced Very High Resolution Radiometer (AVHRR), on board the NOAA-18 satellite. It is a broad-band, four or five channel (depending on the model) scanner, sensing in the visible, near-infrared, and thermal infrared portions of the electromagnetic spectrum.

NOAA/AVHRR-18.Ch16349.706366.236329.055785.836944.29811.613044.012.28e-9NOAAAVHRR-18NOAA AVHRR-18 Ch1 normalized SRF
NOAA/AVHRR-18.Ch28496.598598.878421.816984.6610117.292507.272311.199.77e-10NOAAAVHRR-18NOAA AVHRR-18 Ch2 normalized SRF
NOAA/AVHRR-18.Ch3A16067.4216070.6316063.9815615.8316560.00580.441036.541.2e-10NOAAAVHRR-18NOAA AVHRR-18 Ch3A normalized SRF
NOAA/AVHRR-18.Ch3B37607.7237663.5937519.5634616.8840389.093670.77241.775.15e-12NOAAAVHRR-18NOAA AVHRR-18 Ch3B normalized SRF
NOAA/AVHRR-18.Ch4107928.12108051.22107728.52101116.36115264.009387.6132.438.38e-14NOAAAVHRR-18NOAA AVHRR-18 Ch4 normalized SRF
X
NOAA/AVHRR-18.Ch4
Filter Description

Filter ID (?) :NOAA/AVHRR-18.Ch4
Description (?) :NOAA AVHRR-18 Ch4 normalized SRF
Phot.System (?) :AVHRR-18
Detector Type (?) :Energy counter
Band Name (?) :------
Obs. Facility (?) :NOAA
Instrument (?) :AVHRR-18
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 107928.12 ------- (Angstrom)
λmean (?) : 108051.22 ------- (Angstrom)
λcen (?) : 108151.66 ------- (Angstrom)
λeff (?) : 107728.52 ------- (Angstrom)
λpeak (?) : 106200.00 ------- (Angstrom)
λpivot (?) : 107928.12 ------- (Angstrom)
λphot (?) : 107809.89 ------- (Angstrom)
λmin (?) : 101116.36 ------- (Angstrom)
λmax (?) : 115264.00 ------- (Angstrom)
Weff (?) : 9387.61 ------- (Angstrom)
FWHM (?) : 9704.15 ------- (Angstrom)
Af/AV (?) : 0.0575 ------- ()
Fsun (?) : 0.0181 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: NOAA AVHRR Spectral Response Functions

Transmission components: Filter + Instrument

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 8.37839e-14(erg/cm2/s/A)
  ------- 32.43(Jy)
PhotCal ID (?) : NOAA/AVHRR-18.Ch4/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 9.37963e-12(erg/cm2/s/A)
  ------- 3631.00(Jy)
PhotCal ID (?) : NOAA/AVHRR-18.Ch4/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 1405616.74(Jy)
PhotCal ID (?) : NOAA/AVHRR-18.Ch4/ST
 


Filter added: 2020-08-28 20:13:57
Last update: 2020-12-10 16:33:17
NOAA/AVHRR-18.Ch5120123.53120230.79119942.64113653.85126608.709330.7226.325.48e-14NOAAAVHRR-18NOAA AVHRR-18 Ch5 normalized SRF
 

Filter Plots

© SVO,   (SVO Privacy Policy),   10594 filters available,   Last update: 2022-06-22
 
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: