Filter Profile Service
A repository of Filter information for the VO
Astronomy (6231)Planetary science (382)Earth Obs. (2389)


Misc :Miscellaneous. Filters not included in another category.
Misc/APASS :APASS filters. Defined in terms of SDSS and Johnson systems.

Misc/APASS.B4284.074313.354297.173613.135112.72843.113998.346.49e-9  APASS B filter, defined as identical to GCPD/Johnson.B_Landolt
Misc/APASS.sdss_g4669.534718.874640.423782.545549.261158.373965.955.52e-9  APASS g filter, defined as identical to SLOAN/SDSS.g
Misc/APASS.V5419.175446.495394.294796.166454.89870.583624.133.73e-9  APASS V filter, defined as identical to GCPD/Johnson.V_Landolt
Misc/APASS.sdss_r6156.336185.196122.335415.346989.141111.183161.982.53e-9  APASS r filter, defined as identical to SLOAN/SDSS.r
X
Misc/APASS.sdss_r
Filter Description

Filter ID (?) :Misc/APASS.sdss_r
Description (?) :APASS r filter, defined as identical to SLOAN/SDSS.r
Phot.System (?) :SDSS
Detector Type (?) :Energy counter
Band Name (?) :r
Obs. Facility (?) :------
Instrument (?) :------
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 6156.33 ------- (Angstrom)
λmean (?) : 6185.19 ------- (Angstrom)
λcen (?) : 6174.48 ------- (Angstrom)
λeff (?) : 6122.33 ------- (Angstrom)
λpeak (?) : 6480.00 ------- (Angstrom)
λpivot (?) : 6156.33 ------- (Angstrom)
λphot (?) : 6141.50 ------- (Angstrom)
λmin (?) : 5415.34 ------- (Angstrom)
λmax (?) : 6989.14 ------- (Angstrom)
Weff (?) : 1111.18 ------- (Angstrom)
FWHM (?) : 1149.52 ------- (Angstrom)
Af/AV (?) : 0.887 ------- ()
Fsun (?) : 169.87 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

   
Calibration properties

Vega System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 2.52899e-9(erg/cm2/s/A)
  ------- 3161.98(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Misc/APASS.sdss_r/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 2.90411e-9(erg/cm2/s/A)
  3631 3631.00(Jy)
b softening parameter (?) : 0.00000000012
ZP Type (?) : Asinh
PhotCal ID (?) : Misc/APASS.sdss_r/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 4539.82(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Misc/APASS.sdss_r/ST
 

Reference for calibration: SDSS Flux calibration


Filter added: 2015-12-18 11:54:14
Last update: 2020-12-10 16:33:03
Misc/APASS.sdss_i7470.627499.717439.496689.478389.451044.552602.001.41e-9  APASS i filter, defined as identical to SLOAN/SDSS.i
Misc/APASS.sdss_z8917.808961.498897.067960.4410833.251124.592244.678.5e-10  APASS z filter, defined as identical to SLOAN/SDSS.z
 

Filter Plots

© SVO,   8999 filters available,   Last update: 2021-01-18
 
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 (http://svo2.cab.inta-csic.es/theory/fps/) supported from the Spanish MINECO through grant AYA2017-84089

and we would appreciate if you could include the following references in your publication: