CFHT :Canada-France-Hawaii Telescope CFHT/MegaCam :MegaPrime/MegaCam is the wide-field optical imaging facility at CFHT. |
CFHT/MegaCam.u | 3676.12 | 3692.62 | 3751.88 | 3142.90 | 4018.28 | 452.67 | 2149.33 | 4.58e-9 | CFHT | MegaCam | MegaCam 3rd generation u filter (installed in 2015) | CFHT/MegaCam.u_1 | 3799.43 | 3817.72 | 3884.74 | 3315.16 | 4261.79 | 525.36 | 2762.05 | 5.49e-9 | CFHT | MegaCam | MegaCam 1st generation u filter (installed in 2002, valid until 2015). | CFHT/MegaCam.g | 4763.97 | 4824.01 | 4722.38 | 3938.88 | 5570.92 | 1292.78 | 3918.94 | 5.27e-9 | CFHT | MegaCam | MegaCam 3rd generation g filter (installed in 2015) | CFHT/MegaCam.g_1 | 4846.42 | 4899.92 | 4804.10 | 4038.12 | 5760.79 | 1293.80 | 3902.42 | 5.07e-9 | CFHT | MegaCam | MegaCam 1st generation g filter (installed in 2002, valid until 2015). | CFHT/MegaCam.gri | 5672.61 | 6017.76 | 5381.29 | 3951.30 | 8257.04 | 3714.96 | 3198.84 | 3.31e-9 | CFHT | MegaCam | MegaCam 3rd generation gri filter (installed in 2015). | CFHT/MegaCam.r_1 | 6245.26 | 6278.19 | 6207.89 | 5394.27 | 7046.08 | 1120.20 | 3115.34 | 2.42e-9 | CFHT | MegaCam | MegaCam 1st generation r filter (installed in 2002, valid until 2015). | CFHT/MegaCam.r | 6382.58 | 6425.46 | 6336.47 | 5614.81 | 7218.06 | 1381.63 | 3045.54 | 2.27e-9 | CFHT | MegaCam | MegaCam 3rd generation r filter (installed in 2015) | CFHT/MegaCam.r | Filter Description Filter ID (?) : | CFHT/MegaCam.r |
Description (?) : | MegaCam 3rd generation r filter (installed in 2015) |
Phot.System (?) : | MegaCam |
Detector Type (?) : | Photon counter |
Band Name (?) : | ------ |
Obs. Facility (?) : | CFHT |
Instrument (?) : | MegaCam |
Comments (?) : | The filter response includes the full telescope (mirror+optics+CCD) response and also 1.25 airmasses of atmospheric attenuation. |
| | Mathematical properties Property | Calculated | Specified | Unit | λref (?) : |
6382.58 | ------- | (Angstrom) |
λmean (?) : |
6425.46 | ------- | (Angstrom) |
λcen (?) : |
6403.70 | ------- | (Angstrom) |
λeff (?) : |
6336.47 | ------- | (Angstrom) |
λpeak (?) : |
5760.70 | ------- | (Angstrom) |
λpivot (?) : |
6382.58 | ------- | (Angstrom) |
λphot (?) : |
6365.18 | ------- | (Angstrom) |
λmin (?) : |
5614.81 | ------- | (Angstrom) |
λmax (?) : |
7218.06 | ------- | (Angstrom) |
Weff (?) : |
1381.63 | ------- | (Angstrom) |
FWHM (?) : |
1478.52 | ------- | (Angstrom) |
Af/AV (?) : |
0.849 | ------- | () |
Fsun (?) : |
162.07 | ------- | (erg/cm2/s/A) |
| Transmission

Data file: ascii, VOTable Reference for filter response:
MegaPipe Transmission components: Filter + CCD + Instrument + Other optical components + Atmosphere | | Calibration properties
Vega System Property | Specified | Calculated | Unit | Zero Point (?) : |
------- |
2.274e-9 | (erg/cm2/s/A) |
|
------- |
3045.54 | (Jy) |
ZP Type (?) : |
Pogson |
PhotCal ID (?) : |
CFHT/MegaCam.r/Vega |
|
AB System Property | Specified | Calculated | Unit | Zero Point (?) : |
------- |
2.71114e-9 | (erg/cm2/s/A) |
|
------- |
3631.00 | (Jy) |
ZP Type (?) : |
Pogson |
PhotCal ID (?) : |
CFHT/MegaCam.r/AB |
|
ST System Property | Specified | Calculated | Unit | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
|
------- |
4862.95 | (Jy) |
ZP Type (?) : |
Pogson |
PhotCal ID (?) : |
CFHT/MegaCam.r/ST |
|
|
Filter added: 2013-01-26 13:10:26 Last update: 2020-12-10 16:28:37 | CFHT/MegaCam.i_2 | 7542.83 | 7584.47 | 7498.28 | 6663.06 | 8554.97 | 1409.45 | 2569.47 | 1.37e-9 | CFHT | MegaCam | MegaCam 2nd generation g filter (installed in 2007, valid until 2015). | CFHT/MegaCam.i_1 | 7653.53 | 7690.48 | 7613.68 | 6742.25 | 8774.10 | 1220.83 | 2528.59 | 1.31e-9 | CFHT | MegaCam | MegaCam 1st generation g filter (installed in 2002, valid until 2007). | CFHT/MegaCam.i | 7682.93 | 7721.07 | 7641.47 | 6911.51 | 8630.94 | 1342.04 | 2516.75 | 1.29e-9 | CFHT | MegaCam | MegaCam 3rd generation i filter (installed in 2015) | CFHT/MegaCam.z_1 | 8815.00 | 8857.62 | 8794.48 | 7955.97 | 10551.52 | 1040.06 | 2251.78 | 8.73e-10 | CFHT | MegaCam | MegaCam 1st generation z filter (installed in 2002, valid until 2015). | CFHT/MegaCam.z | 8979.62 | 9004.78 | 8972.59 | 8356.94 | 10072.98 | 788.11 | 2246.38 | 8.37e-10 | CFHT | MegaCam | MegaCam 3rd generation z filter (installed in 2015) |
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