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


APO :Apache Point Observatory.
APO/SDSS :APO SDSS filters.

APO/SDSS.u3501.003517.423542.083042.103985.02563.561456.583.56e-9APO APO SDSS u filter
APO/SDSS.g4763.084820.064723.573858.455685.961264.483996.255.28e-9APO APO SDSS g filter
APO/SDSS.r6247.036287.126201.755405.067172.221253.773148.752.42e-9APO APO SDSS r filter
X
APO/SDSS.r
Filter Description

Filter ID (?) :APO/SDSS.r
Description (?) :APO SDSS r filter
Phot.System (?) :------
Detector Type (?) :Photon counter
Band Name (?) :------
Obs. Facility (?) :APO
Instrument (?) :------
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 6247.03 ------- (Angstrom)
λmean (?) : 6287.12 ------- (Angstrom)
λcen (?) : 6243.08 ------- (Angstrom)
λeff (?) : 6201.75 ------- (Angstrom)
λpeak (?) : 6747.00 ------- (Angstrom)
λpivot (?) : 6247.03 ------- (Angstrom)
λphot (?) : 6228.67 ------- (Angstrom)
λmin (?) : 5405.06 ------- (Angstrom)
λmax (?) : 7172.22 ------- (Angstrom)
Weff (?) : 1253.77 ------- (Angstrom)
FWHM (?) : 1392.09 ------- (Angstrom)
Af/AV (?) : 0.865 ------- ()
Fsun (?) : 166.29 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: APO Filter Inventory

Transmission components: Filter

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 2.41886e-9(erg/cm2/s/A)
  ------- 3148.75(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : APO/SDSS.r/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 2.78933e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : APO/SDSS.r/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 4726.65(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : APO/SDSS.r/ST
 


Filter added: 2021-03-18 12:07:35
Last update: 2021-03-18 12:07:35
APO/SDSS.i7718.297759.397672.606720.668725.781478.922508.911.26e-9APO APO SDSS i filter
APO/SDSS.z10829.8411128.8210500.638041.5413500.004306.711909.064.88e-10APO APO SDSS z filter
 

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: