Filter Profile Service
A repository of Filter information for the VO.
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Liverpool :The Liverpool Telescope
Liverpool/IOO :IO:O is the optical imaging component of the IO (Infrared-Optical) suite of instrumentsid:Liverpool/IOO.a
GaiaXPy base XML file. You can download here the GaiaXPy base XML file for the full Liverpool/IOO filter set. Please, take a look to the GaiaXPy web page and additional documentation for more information.

Liverpool/IOO.SDSS-u3467.673489.003513.682962.563998.47668.481439.073.59e-9LTIO:OIO:O SDSS u
Liverpool/IOO.SDSS-u_filter3471.113491.593514.612961.143993.89639.091433.123.57e-9LTIO:OIO:O SDSS u' (filter only)
Liverpool/IOO.B_filter4359.514395.684351.223780.035761.70959.934085.036.44e-9LTIO:OIO:O Bessell B (filter only)
Liverpool/IOO.B4405.394442.574394.003784.975774.39932.634093.616.32e-9LTIO:OIO:O Bessell B
Liverpool/IOO.SDSS-g_filter4775.484833.654733.323937.125631.801302.843998.195.26e-9LTIO:OIO:I SDSS g' (filter only)
Liverpool/IOO.SDSS-g4834.884890.194793.463944.735633.231132.123969.295.09e-9LTIO:OIO:O SDSS g
Liverpool/IOO.V_filter5373.455400.935350.004781.756414.88896.573678.353.82e-9LTIO:OIO:O Bessell V (filter only)
Liverpool/IOO.V5388.475416.165364.544784.336426.19910.983670.533.79e-9LTIO:OIO:O Bessell V
Liverpool/IOO.SDSS-r6161.746197.316120.655353.497035.841252.833192.872.52e-9LTIO:OIO:O SDSS r
Liverpool/IOO.SDSS-r_filter6175.466211.046134.185356.147039.851206.523184.182.5e-9LTIO:OIO:I SDSS r' (filter only)
Liverpool/IOO.Halpha_filter6566.236566.476566.216469.456666.2793.252612.611.82e-9LTIO:OIOO Halpha (filter only) (rest frame)
X
Liverpool/IOO.Halpha_filter
Filter Description

Filter ID (?) :Liverpool/IOO.Halpha_filter
Description (?) :IOO Halpha (filter only) (rest frame)
Phot.System (?) :------
Detector Type (?) :Photon counter
Band Name (?) :------
Obs. Facility (?) :LT
Instrument (?) :IO:O
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 6566.23 ------- (Angstrom)
λmean (?) : 6566.47 ------- (Angstrom)
λcen (?) : 6566.28 ------- (Angstrom)
λeff (?) : 6566.21 ------- (Angstrom)
λpeak (?) : 6565.00 ------- (Angstrom)
λpivot (?) : 6566.23 ------- (Angstrom)
λphot (?) : 6566.39 ------- (Angstrom)
λmin (?) : 6469.45 ------- (Angstrom)
λmax (?) : 6666.27 ------- (Angstrom)
Weff (?) : 93.25 ------- (Angstrom)
FWHM (?) : 90.16 ------- (Angstrom)
Af/AV (?) : 0.807 ------- ()
Fsun (?) : 152.88 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: The Liverpool Telescope, IO:O

Transmission components: Filterid:Liverpool/IOO.Halpha_filter
 

You can download here the GaiaXPy base XML file for the full Liverpool/IOO filter set.
Please, take a look to GaiaXPy documentation for more information.

- GaiaXPy base XML file.

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 1.81662e-9(erg/cm2/s/A)
  ------- 2612.61(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Liverpool/IOO.Halpha_filter/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 2.52473e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Liverpool/IOO.Halpha_filter/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 5222.01(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Liverpool/IOO.Halpha_filter/ST
 


Filter added: 2017-08-05 13:43:44
Last update: 2021-07-27 20:14:13
Liverpool/IOO.Halpha6566.286566.516566.276469.546666.3493.232612.621.82e-9LTIO:OIO:O Halpha (rest frame)
Liverpool/IOO.Halpha-6634_filter6635.056635.136635.176578.516693.2556.502919.091.99e-9LTIO:OIOO Halpha (filter only) (redshifted to 663.4 nm)
Liverpool/IOO.Halpha-66346635.076635.156635.196578.546693.2756.492919.111.99e-9LTIO:OIO:O Halpha (redshifted to 663.4 nm)
Liverpool/IOO.Halpha-6705_filter6705.926706.006705.866646.186763.2157.522920.631.95e-9LTIO:OIO:O Halpha (filter only) (redshifted to 670.5 nm)
Liverpool/IOO.Halpha-67056705.926706.016705.876646.206763.2257.492920.631.95e-9LTIO:OIO:O Halpha (redshifted to 670.5 nm)
Liverpool/IOO.Halpha-6755_filter6756.126756.216756.026700.036817.1156.922899.981.9e-9LTIO:OIOO Halpha (filter only) (redshifted to 675.5 nm)
Liverpool/IOO.Halpha-67556756.136756.226756.036700.046817.1256.942899.971.9e-9LTIO:OIO:O Halpha (redshifted to 675.5 nm)
Liverpool/IOO.Halpha-6822_filter6823.366823.456823.296762.346883.9755.092873.371.85e-9LTIO:OIOO Halpha (filter only) (redshifted to 682.2 nm)
Liverpool/IOO.Halpha-68226823.366823.456823.296762.356883.9755.092873.371.85e-9LTIO:OIO:O Halpha (redshifted to 682.2 nm)
Liverpool/IOO.SDSS-i7625.857658.587589.416734.338523.411350.352540.891.31e-9LTIO:OIO:O SDSS i
Liverpool/IOO.SDSS-i_filter7647.547680.587610.616737.898531.441297.872532.611.3e-9LTIO:OIO:I SDSS i' (filter only)
Liverpool/IOO.SDSS-z8988.099024.908970.578177.0410458.081135.322236.708.3e-10LTIO:OIO:O SDSS z
Liverpool/IOO.SDSS-z_filter9637.939729.599561.108193.1211000.002331.032139.206.9e-10LTIO:OIO:I SDSS zi' (filter only)
 

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)



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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: