Filter Profile Service
A repository of Filter information for the VO.
Grant PID2020-112494GBI00 funded by
Astronomy (7905)Planetary science (616)Earth Obs. (2452)

SOHO :SOHO, the Solar & Heliospheric Observatory, is a project of international collaboration between ESA and NASA to study the Sun from its deep core to the outer corona and the solar wind.
SOHO/LASCO :The Large Angle and Spectrometric Coronagraph Experiment (LASCO) is a set of three coronagraph telescopes that will record white light images of the solar corona from 1.1 through 30 solar radii. It also will record spectral images of the solar corona from 1.1 to 3.0 solar
GaiaXPy base XML file. You can download here the GaiaXPy base XML file for the full SOHO/LASCO filter set. Please, take a look to the GaiaXPy web page and additional documentation for more information.

SOHO/LASCO.C2_Blue_fil4726.004748.284707.784118.105349.10776.474032.645.41e-9SOHOLASCOSOHO LASCO C2 Blue filter (filter only)
SOHO/LASCO.C3_Blue_fil4730.484754.684710.354096.155407.33798.114037.995.41e-9SOHOLASCOSOHO LASCO C3 Blue filter (filter only)
SOHO/LASCO.C3_Blue4807.914827.404791.044158.405428.48656.703994.275.18e-9SOHOLASCOSOHO LASCO C3 Blue filter
SOHO/LASCO.C2_Blue4821.994839.874806.804171.025354.99572.203972.645.12e-9SOHOLASCOSOHO LASCO C2 Blue filter
SOHO/LASCO.C1_FeXIV_fil5308.165308.185308.115281.345334.3029.543720.133.96e-9SOHOLASCOSOHO LASCO C1 FeXIV filter (filter only)
SOHO/LASCO.C1_CaXV_fil5698.885698.905698.875673.195725.1928.253480.023.21e-9SOHOLASCOSOHO LASCO C1 CaXV filter (filter only)
SOHO/LASCO.C2_Orange_fil5786.925803.525770.095219.186398.73825.413431.123.07e-9SOHOLASCOSOHO LASCO C2 Orange filter (filter only)
SOHO/LASCO.C2_Orange5799.465815.825782.795226.886399.92811.163423.443.05e-9SOHOLASCOSOHO LASCO C2 Orange filter
SOHO/LASCO.C3_Orange_fil5836.705853.915819.125247.546439.04834.783401.552.99e-9SOHOLASCOSOHO LASCO C3 Orange filter (filter only)
SOHO/LASCO.C3_Orange5875.805891.925859.115266.806438.92739.153377.592.93e-9SOHOLASCOSOHO LASCO C3 Orange filter
SOHO/LASCO.C1_Na_fil5894.685894.705894.675867.645919.6529.173346.922.89e-9SOHOLASCOSOHO LASCO C1 NaI filter (filter only)
SOHO/LASCO.C1_Orange_fil6303.106332.666269.645321.317541.01967.113108.012.35e-9SOHOLASCOSOHO LASCO C1 Orange filter (filter only)
SOHO/LASCO.C1_FeX_fil6380.256380.276380.226350.196410.6931.263079.462.27e-9SOHOLASCOSOHO LASCO C1 FeX filter (filter only)
SOHO/LASCO.C2_Ha_fil6562.366562.366562.186544.006579.6720.552148.521.5e-9SOHOLASCOSOHO LASCO C2 H-alpha filter (filter only)
Filter Description

Filter ID (?) :SOHO/LASCO.C2_Ha_fil
Description (?) :SOHO LASCO C2 H-alpha filter (filter only)
Phot.System (?) :LASCO
Detector Type (?) :Photon counter
Band Name (?) :------
Obs. Facility (?) :SOHO
Instrument (?) :LASCO
Comments (?) :------

Mathematical properties

Property Calculated Specified Unit
λref (?) : 6562.36 ------- (Angstrom)
λmean (?) : 6562.36 ------- (Angstrom)
λcen (?) : 6562.36 ------- (Angstrom)
λeff (?) : 6562.18 ------- (Angstrom)
λpeak (?) : 6561.90 ------- (Angstrom)
λpivot (?) : 6562.36 ------- (Angstrom)
λphot (?) : 6562.19 ------- (Angstrom)
λmin (?) : 6544.00 ------- (Angstrom)
λmax (?) : 6579.67 ------- (Angstrom)
Weff (?) : 20.55 ------- (Angstrom)
FWHM (?) : 20.25 ------- (Angstrom)
Af/AV (?) : 0.807 ------- ()
Fsun (?) : 145.96 ------- (erg/cm2/s/A)


Data file: ascii, VOTable

Reference for filter response: LASCO filters

Transmission components: Filterid:SOHO/LASCO.C2_Ha_fil

You can download here the GaiaXPy base XML file for the full SOHO/LASCO 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 (?) : ------- 1.49569e-9(erg/cm2/s/A)
  ------- 2148.52(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : SOHO/LASCO.C2_Ha_fil/Vega

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 2.52771e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : SOHO/LASCO.C2_Ha_fil/AB

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 5215.85(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : SOHO/LASCO.C2_Ha_fil/ST

Filter added: 2021-05-07 11:34:03
Last update: 2021-07-27 20:36:34
SOHO/LASCO.C2_Ha6562.376562.386562.206544.006579.6720.542148.381.5e-9SOHOLASCOSOHO LASCO C2 Ha filter
SOHO/LASCO.C3_Ha6565.236565.256565.406541.716602.2620.752159.491.5e-9SOHOLASCOSOHO LASCO C3 Ha filter
SOHO/LASCO.C3_Ha_fil6565.256565.266565.426541.716602.2620.762159.591.5e-9SOHOLASCOSOHO LASCO C3 Ha filter (filter only)
SOHO/LASCO.C1_Ha_fil6570.586570.636571.386524.436615.8040.752368.801.64e-9SOHOLASCOSOHO LASCO C1 H-alpha filter (filter only)
SOHO/LASCO.C3_Clear6743.566931.436542.694972.698871.082535.022974.281.96e-9SOHOLASCOSOHO LASCO C3 Clear filter
SOHO/LASCO.C3_Clear_fil6750.396990.676495.444972.698955.422982.782996.571.97e-9SOHOLASCOSOHO LASCO C3 Clear filter (filter only)
SOHO/LASCO.C2_dpRed7659.017674.727641.737015.338555.48781.322521.491.29e-9SOHOLASCOSOHO LASCO C2 deep Red filter
SOHO/LASCO.C2_dpRed_fil7697.657714.217679.377016.258632.06850.662507.051.27e-9SOHOLASCOSOHO LASCO C2 deep Red filter (filter only)
SOHO/LASCO.C3_dpRed7727.697745.927707.627036.678634.33868.312496.031.25e-9SOHOLASCOSOHO LASCO C3 deep Red filter
SOHO/LASCO.C3_dpRed_fil7787.637808.777764.267036.058743.51981.072474.811.22e-9SOHOLASCOSOHO LASCO C3 deep Red filter (filter only)
SOHO/LASCO.C3_IR8891.518912.538884.288116.679992.11871.172247.998.52e-10SOHOLASCOSOHO LASCO C3 IR filter
SOHO/LASCO.C3_IR_fil9231.369263.359215.818179.619998.441399.222232.657.85e-10SOHOLASCOSOHO LASCO C3 IR filter (filter only)

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)

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This research has made use of the Spanish Virtual Observatory ( project funded by MCIN/AEI/10.13039/501100011033/ through grant PID2020-112949GB-I00

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