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


CFHT :Canada-France-Hawaii Telescope
CFHT/Megaprime :MegaPrime/MegaCam is the wide-field optical imaging facility at CFHT.id:CFHT/Megaprime.a

CFHT/Megaprime.u_fil3541.393567.913630.893000.004044.15750.131734.704.15e-9CFHTMegaprimeMegaprime u', cfh9302 (filter only)
CFHT/Megaprime.u3647.483665.893726.863074.554044.78509.931996.194.5e-9CFHTMegaprimeMegaprime u', cfh9302 (full)
CFHT/Megaprime.uS_fil3743.533767.893846.413000.005540.00703.632392.265.12e-9CFHTMegaprimeMegaprime u' (old), cfh9301 (filter only)
CFHT/Megaprime.uS3790.483813.893883.643209.765540.00583.502613.695.45e-9CFHTMegaprimeMegaprime u' (old), cfh9301 (full)
CFHT/Megaprime.CaHK3951.463951.783949.553850.744049.6596.033801.827.3e-9CFHTMegaprimeMegaprime CaHK, cfh9303 (full)
CFHT/Megaprime.CaHK_fil3953.133953.453951.233850.744049.6594.453831.877.35e-9CFHTMegaprimeMegaprime CaHK, cfh9303 (filter only)
CFHT/Megaprime.g_fil4734.904797.564691.193800.605631.161336.034012.665.37e-9CFHTMegaprimeMegaprime g', cfh9402 (filter only)
CFHT/Megaprime.g4741.494802.834698.473800.605631.011356.534010.075.35e-9CFHTMegaprimeMegaprime g', cfh9402 (full)
CFHT/Megaprime.gS_fil4837.614896.084795.743000.007720.001368.643967.025.08e-9CFHTMegaprimeMegaprime g' (old), cfh9401 (filter only)
CFHT/Megaprime.gS4840.964896.874798.563282.497720.001327.393971.095.08e-9CFHTMegaprimeMegaprime g' (old), cfh9401 (full)
CFHT/Megaprime.OIII5006.425006.705006.164920.145089.82100.003954.694.73e-9CFHTMegaprimeMegaprime OIII, cfh9501 (full)
CFHT/Megaprime.OIII_fil5006.495006.775006.224920.145089.82100.273954.644.73e-9CFHTMegaprimeMegaprime OIII, cfh9501 (filter only)
CFHT/Megaprime.OIII_off5105.075105.355104.825020.475189.87101.373890.244.47e-9CFHTMegaprimeMegaprime OIII_off, cfh9502 (full)
CFHT/Megaprime.OIII_off_fil5105.165105.435104.915020.475189.87101.223890.194.47e-9CFHTMegaprimeMegaprime OIII off, cfh9502 (filter only)
CFHT/Megaprime.gri5842.616193.325523.433952.878460.103672.753472.683.05e-9CFHTMegaprimeMegaprime gri cfh9605 (full)
CFHT/Megaprime.rS6253.346284.706217.065282.288286.511093.323136.702.4e-9CFHTMegaprimeMegaprime r' (old), cfh9601 (full)
CFHT/Megaprime.rS_fil6264.826296.106228.605290.638288.481081.323129.542.39e-9CFHTMegaprimeMegaprime r', cfh9601 (filter only)
CFHT/Megaprime.gri_fil5977.116341.855632.153955.968460.103189.443407.022.86e-9CFHTMegaprimeMegaprime gri, cfh9605 (filter only)
CFHT/Megaprime.r6375.476418.466328.465534.377299.931415.433083.532.27e-9CFHTMegaprimeMegaprime r', cfh9602 (full)
CFHT/Megaprime.r_fil6391.186434.116344.185534.377299.931349.923074.832.26e-9CFHTMegaprimeMegaprime r', cfh9602 (filter only)
CFHT/Megaprime.Halpha_off_old6452.976453.196452.606317.006586.4892.713030.372.18e-9CFHTMegaprimeMegaprime Halpha_off (old) cfh7604 (full)
CFHT/Megaprime.Halpha_off_old_fil6453.006453.216452.636319.296586.5392.743030.342.18e-9CFHTMegaprimeMegaprime Halpha off, cfh7604 (filter only)
CFHT/Megaprime.Halpha_on6584.016584.166586.006461.916700.5078.602588.381.79e-9CFHTMegaprimeMegaprime Halpha_on (old) cfh7605 (full)
CFHT/Megaprime.Halpha_on_fil6584.076584.226586.076461.946700.5078.402588.871.79e-9CFHTMegaprimeMegaprime Halpha on, cfh7605 (filter only)
CFHT/Megaprime.Halpha6590.416590.646592.806487.766697.18105.912652.491.83e-9CFHTMegaprimeMegaprime Halpha cfh9603 (full)
CFHT/Megaprime.Halpha_fil6590.486590.716592.886487.816697.18105.662652.981.83e-9CFHTMegaprimeMegaprime Halpha, cfh9603 (filter only)
X
CFHT/Megaprime.Halpha_fil
Filter Description

Filter ID (?) :CFHT/Megaprime.Halpha_fil
Description (?) :Megaprime Halpha, cfh9603 (filter only)
Phot.System (?) :Megaprime
Detector Type (?) :Photon counter
Band Name (?) :------
Obs. Facility (?) :CFHT
Instrument (?) :Megaprime
Comments (?) :New filter. Since 2014

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 6590.48 ------- (Angstrom)
λmean (?) : 6590.71 ------- (Angstrom)
λcen (?) : 6590.80 ------- (Angstrom)
λeff (?) : 6592.88 ------- (Angstrom)
λpeak (?) : 6604.74 ------- (Angstrom)
λpivot (?) : 6590.48 ------- (Angstrom)
λphot (?) : 6593.03 ------- (Angstrom)
λmin (?) : 6487.81 ------- (Angstrom)
λmax (?) : 6697.18 ------- (Angstrom)
Weff (?) : 105.66 ------- (Angstrom)
FWHM (?) : 105.67 ------- (Angstrom)
Af/AV (?) : 0.802 ------- ()
Fsun (?) : 152.77 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: CFHT Megaprime

Transmission components: Filterid:CFHT/Megaprime.Halpha_fil

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 1.83113e-9(erg/cm2/s/A)
  ------- 2652.98(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : CFHT/Megaprime.Halpha_fil/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 2.50618e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : CFHT/Megaprime.Halpha_fil/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 5260.66(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : CFHT/Megaprime.Halpha_fil/ST
 


Filter added: 2018-07-26 11:58:22
Last update: 2023-03-23 09:54:54
CFHT/Megaprime.Halpha_off6718.646718.886718.426630.276809.88108.522915.131.94e-9CFHTMegaprimeMegaprime Halpha_off, cfh9604 (full)
CFHT/Megaprime.Halpha_off_fil6718.736718.966718.516630.276809.88108.762915.101.94e-9CFHTMegaprimeMegaprime Halpha Off, cfh9604 (filter only)
CFHT/Megaprime.iS27557.037598.747511.556551.558786.741461.662571.381.35e-9CFHTMegaprimeMegaprime i' #2 (old), cfh9702 (full)
CFHT/Megaprime.iS2_fil7627.027671.147578.286560.238839.921538.472545.061.31e-9CFHTMegaprimeMegaprime i' #2, cfh9702(filter only)
CFHT/Megaprime.iS7676.997713.397637.276531.648927.641340.052522.581.28e-9CFHTMegaprimeMegaprime i' (old), cfh9701 (full)
CFHT/Megaprime.i7678.807716.257637.856800.508734.231396.282522.151.28e-9CFHTMegaprimeMegaprime i', cfh9703 (full)
CFHT/Megaprime.TiO7776.277776.917775.537569.907981.06181.932465.391.22e-9CFHTMegaprimeMegaprime Ti= (old) cfh7701 (full)
CFHT/Megaprime.TiO_fil7777.547778.187776.807569.977981.11183.702464.921.22e-9CFHTMegaprimeMegaprime TiO, cfh7701 (filter only)
CFHT/Megaprime.iS_fil7748.717787.217706.216551.518940.861424.502496.491.25e-9CFHTMegaprimeMegaprime i', cfh9701 (filter only)
CFHT/Megaprime.i_fil7752.527791.927708.786800.508734.231425.752495.091.24e-9CFHTMegaprimeMegaprime i', cfh9703 (filter only)
CFHT/Megaprime.CN8118.848119.408118.197907.008334.00165.382350.321.07e-9CFHTMegaprimeMegaprime CN (old) cfh7803 (full)
CFHT/Megaprime.CN_fil8120.368120.928119.707907.008334.00164.872349.761.07e-9CFHTMegaprimeMegaprime CN, cfh7803 (filter only)
CFHT/Megaprime.zS8875.658917.078855.097538.6410519.261049.482244.408.54e-10CFHTMegaprimeMegaprime z' (old) cfh9801 (full)
CFHT/Megaprime.z9006.619031.838996.658201.4310157.37850.102240.538.28e-10CFHTMegaprimeMegaprime z', cfh9901 (full)
CFHT/Megaprime.NB9209197.839199.229196.218850.009570.00238.802258.608.0e-10CFHTMegaprimeMegaprime NB920 (old) cfh7902 (full)
CFHT/Megaprime.NB920_fil9208.859210.269207.428850.009570.00243.982256.447.98e-10CFHTMegaprimeMegaprime NB920, cfh7902 (filter only)
CFHT/Megaprime.zS_fil10081.2210256.199915.337768.9312000.003106.462051.186.05e-10CFHTMegaprimeMegaprime z', cfh9801 (filter only)
CFHT/Megaprime.z_fil10081.9110256.679916.257920.0012000.003105.892051.036.05e-10CFHTMegaprimeMegaprime Z', cfh9901 (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 SVO Filter Profile Service "Carlos Rodrigo", 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: