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


APO :Apache Point Observatory.
APO/Narrow :APO Narrow band filters (bandpass < 10nm)id:APO/Narrow.a
GaiaXPy base XML file. You can download here the GaiaXPy base XML file for the full APO/Narrow filter set. Please, take a look to the GaiaXPy web page and additional documentation for more information.

APO/Narrow.Halpha_655nm6551.646551.876550.056457.066651.9094.202634.031.84e-9APO APO Halpha 655nm filter
APO/Narrow.Halpha_657nm6572.746572.776573.696540.866605.4933.652335.581.62e-9APO APO Halpha 657nm filter
APO/Narrow.Halpha_658nm6579.606579.626580.526549.656608.5928.192468.771.71e-9APO APO Halpha 658nm filter
APO/Narrow.Halpha_659nm6595.356595.376595.766564.366625.4829.232768.501.91e-9APO APO Halpha 659nm filter
APO/Narrow.Halpha_660nm6600.786600.806601.066570.106631.7029.582822.831.94e-9APO APO Halpha 660nm filter
APO/Narrow.Halpha_661nm6612.786612.816612.906581.316644.6229.152890.091.98e-9APO APO Halpha 661nm filter
APO/Narrow.Semrock_857nm8578.998581.178577.388360.058797.27378.032223.489.06e-10APO APO Semrock 857nm filter
X
APO/Narrow.Semrock_857nm
Filter Description

Filter ID (?) :APO/Narrow.Semrock_857nm
Description (?) :APO Semrock 857nm filter
Phot.System (?) :------
Detector Type (?) :Photon counter
Band Name (?) :------
Obs. Facility (?) :APO
Instrument (?) :------
Comments (?) :------

 
Mathematical properties

Property Calculated Specified Unit
λref (?) : 8578.99 ------- (Angstrom)
λmean (?) : 8581.17 ------- (Angstrom)
λcen (?) : 8580.26 ------- (Angstrom)
λeff (?) : 8577.38 ------- (Angstrom)
λpeak (?) : 8685.72 ------- (Angstrom)
λpivot (?) : 8578.99 ------- (Angstrom)
λphot (?) : 8578.83 ------- (Angstrom)
λmin (?) : 8360.05 ------- (Angstrom)
λmax (?) : 8797.27 ------- (Angstrom)
Weff (?) : 378.03 ------- (Angstrom)
FWHM (?) : 384.70 ------- (Angstrom)
Af/AV (?) : 0.542 ------- ()
Fsun (?) : 98.23 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: APO Filter Inventory

Transmission components: Filterid:APO/Narrow.Semrock_857nm
 

You can download here the GaiaXPy base XML file for the full APO/Narrow 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 (?) : ------- 9.05695e-10(erg/cm2/s/A)
  ------- 2223.48(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : APO/Narrow.Semrock_857nm/Vega
 

AB System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 1.47902e-9(erg/cm2/s/A)
  ------- 3631.00(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : APO/Narrow.Semrock_857nm/AB
 

ST System
PropertySpecified Calculated Unit
Zero Point (?) : ------- 3.631e-9(erg/cm2/s/A)
  ------- 8914.10(Jy)
ZP Type (?) : Pogson
PhotCal ID (?) : APO/Narrow.Semrock_857nm/ST
 


Filter added: 2021-03-18 11:57:07
Last update: 2021-07-27 18:36:26
 

Filter Plots

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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 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: