Filter Profile Service
A repository of Filter information for the VO.
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Misc :Miscellaneous. Filters not included in another category.
Misc/APASS :APASS filters. Defined in terms of SDSS and Johnson systems.id:Misc/APASS.a
GaiaXPy base XML file. You can download here the GaiaXPy base XML file for the full Misc/APASS filter set. Please, take a look to the GaiaXPy web page and additional documentation for more information.

Misc/APASS.B4284.084313.354299.243613.135112.72843.113931.986.42e-9  APASS B filter, defined as identical to GCPD/Johnson.B_Landolt
Misc/APASS.sdss_g4669.534718.874639.273782.545549.261158.374035.435.55e-9  APASS g filter, defined as identical to SLOAN/SDSS.g
Misc/APASS.V5419.175446.495393.854796.166454.89870.583665.973.74e-9  APASS V filter, defined as identical to GCPD/Johnson.V_Landolt
Misc/APASS.sdss_r6156.336185.196121.965415.346989.141111.183190.222.52e-9  APASS r filter, defined as identical to SLOAN/SDSS.r
Misc/APASS.sdss_i7470.627499.707438.896689.478389.451044.542601.101.4e-9  APASS i filter, defined as identical to SLOAN/SDSS.i
Misc/APASS.sdss_z8917.798961.498895.257960.4410833.251124.592241.118.45e-10  APASS z filter, defined as identical to SLOAN/SDSS.z
X
Misc/APASS.sdss_z
Filter Description

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

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 8917.79 ------- (Angstrom)
λmean (?) : 8961.49 ------- (Angstrom)
λcen (?) : 8781.69 ------- (Angstrom)
λeff (?) : 8895.25 ------- (Angstrom)
λpeak (?) : 8655.00 ------- (Angstrom)
λpivot (?) : 8917.79 ------- (Angstrom)
λphot (?) : 8922.78 ------- (Angstrom)
λmin (?) : 7960.44 ------- (Angstrom)
λmax (?) : 10833.25 ------- (Angstrom)
Weff (?) : 1124.59 ------- (Angstrom)
FWHM (?) : 994.39 ------- (Angstrom)
Af/AV (?) : 0.514 ------- ()
Fsun (?) : 91.14 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTableid:Misc/APASS.sdss_z
 

You can download here the GaiaXPy base XML file for the full Misc/APASS 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 (?) : ------- 8.44829e-10(erg/cm2/s/A)
  ------- 2241.11(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Misc/APASS.sdss_z/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 1.36877e-9(erg/cm2/s/A)
  3564.7 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Misc/APASS.sdss_z/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 9632.09(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : Misc/APASS.sdss_z/ST
 


Filter added: 2019-04-10 13:41:44
Last update: 2021-07-27 20:18:07
 

Filter Plots

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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

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