SVO Filter Profile Service

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 filters: AndromedA APASS Atlas CRTS Junocam MCPS MUSYC ROTSE UCAC

Filter ID

λ_ref

λ_mean

λ_eff

λ_min

λ_max

W_eff

ZP_ν

ZP_λ

4284.08

4313.35

4299.24

3613.13

5112.72

843.11

3931.98

6.42e-9

APASS B filter, defined as identical to GCPD/Johnson.B_Landolt

Misc/APASS.sdss_g

4669.53

4718.87

4639.27

3782.54

5549.26

1158.37

4035.43

5.55e-9

APASS g filter, defined as identical to SLOAN/SDSS.g

Misc/APASS.V

5419.17

5446.49

5393.85

4796.16

6454.89

870.58

3665.97

3.74e-9

APASS V filter, defined as identical to GCPD/Johnson.V_Landolt

Misc/APASS.sdss_r

6156.33

6185.19

6121.96

5415.34

6989.14

1111.18

3190.22

2.52e-9

APASS r filter, defined as identical to SLOAN/SDSS.r

Misc/APASS.sdss_i

7470.62

7499.70

7438.89

6689.47

8389.45

1044.54

2601.10

1.4e-9

APASS i filter, defined as identical to SLOAN/SDSS.i

Misc/APASS.sdss_i

Filter Description

Filter ID (?) : Misc/APASS.sdss_i

Description (?) : APASS i filter, defined as identical to SLOAN/SDSS.i

Phot.System (?) : SDSS

Detector Type (?) : Energy counter

Band Name (?) : i

Obs. Facility (?) : ------

Instrument (?) : ------

Comments (?) : ------

Mathematical properties

Property Calculated Specified Unit

λ_ref (?) : 7470.62 ------- (Angstrom)

λ_mean (?) : 7499.70 ------- (Angstrom)

λ_cen (?) : 7533.63 ------- (Angstrom)

λ_eff (?) : 7438.89 ------- (Angstrom)

λ_peak (?) : 7105.00 ------- (Angstrom)

λ_pivot (?) : 7470.62 ------- (Angstrom)

λ_phot (?) : 7457.89 ------- (Angstrom)

λ_min (?) : 6689.47 ------- (Angstrom)

λ_max (?) : 8389.45 ------- (Angstrom)

W_eff (?) : 1044.54 ------- (Angstrom)

FWHM (?) : 1238.95 ------- (Angstrom)

A_f/A_V (?) : 0.671 ------- ()

F_sun (?) : 127.38 ------- (erg/cm2/s/A)

Transmission

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

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
Property Specified Calculated Unit
Zero Point (?) : ------- 1.39722e-9 (erg/cm2/s/A)

------- 2601.10 (Jy)

ZP Type (?) : Pogson

PhotCal ID (?) : Misc/APASS.sdss_i/Vega

AB System
Property Specified Calculated Unit
Zero Point (?) : ------- 1.95044e-9 (erg/cm2/s/A)

3631 3631.00 (Jy)

b softening parameter (?) : 0.00000000018

ZP Type (?) : Asinh

PhotCal ID (?) : Misc/APASS.sdss_i/AB

ST System
Property Specified Calculated Unit
Zero Point (?) : ------- 3.631e-9 (erg/cm2/s/A)

------- 6759.57 (Jy)

ZP Type (?) : Pogson

PhotCal ID (?) : Misc/APASS.sdss_i/ST

Reference for calibration: SDSS Flux calibration

Filter added: 2015-12-18 11:55:19
Last update: 2021-07-27 20:18:06

Misc/APASS.sdss_z

8917.79

8961.49

8895.25

7960.44

10833.25

1124.59

2241.11

8.45e-10

APASS z filter, defined as identical to SLOAN/SDSS.z

Filter Plots

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 "Carlos Rodrigo", 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:

The SVO Filter Profile Service. Rodrigo, C., Solano, E., Bayo, A., 2012; https://ui.adsabs.harvard.edu/abs/2012ivoa.rept.1015R/abstract
The SVO Filter Profile Service. Rodrigo, C., Solano, E., 2020; https://ui.adsabs.harvard.edu/abs/2020sea..confE.182R/abstract