SVO Filter Profile Service

GCPD :Filters at GCPD
GCPD/Cape :The UcBV photometric systemid:GCPD/Cape.a
→ GaiaXPy base XML file. You can download here the GaiaXPy base XML file for the full GCPD/Cape filter set. Please, take a look to the GaiaXPy web page and additional documentation for more information.

GCPD filters: Cape Cousins DDO Eggen Geneva JHKLMN Johnson Stromgren Vilnius Walraven Washington WBVR

Filter ID

λ_ref

λ_mean

λ_eff

λ_min

λ_max

W_eff

ZP_ν

ZP_λ

3901.60

3932.95

3978.48

3276.50

5002.82

503.51

2875.82

5.66e-9

Cape Johnson U filter in GCPD (revised by Mann & von Braun 2014)

GCPD/Cape.Uc_ADPS

3924.26

3938.19

3968.68

3437.95

4747.54

373.12

3182.81

6.2e-9

Cape Johnson U filter in GCPD (ADPS)

GCPD/Cape.B_ADPS

4310.17

4334.51

4314.16

3641.74

5102.34

759.97

4032.64

6.51e-9

Cape Johnson B filter in GCPD (ADPS)

GCPD/Cape.V_ADPS

5447.82

5467.65

5428.95

4857.19

6500.00

625.86

3648.21

3.69e-9

Cape Johnson V filter in GCPD (ADPS)

GCPD/Cape.V_ADPS

Filter Description

Filter ID (?) : GCPD/Cape.V_ADPS

Description (?) : Cape Johnson V filter in GCPD (ADPS)

Phot.System (?) : Johnson

Detector Type (?) : Energy counter

Band Name (?) : V

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

Instrument (?) : ------

Comments (?) : Cape Town Royal Observatory,
24-inch refracting telescope
2 mm Omag 302
Arp (1958) : http://adsabs.harvard.edu/abs/1958AJ.....63..118A

Mathematical properties

Property Calculated Specified Unit

λ_ref (?) : 5447.82 ------- (Angstrom)

λ_mean (?) : 5467.65 ------- (Angstrom)

λ_cen (?) : 5410.89 ------- (Angstrom)

λ_eff (?) : 5428.95 ------- (Angstrom)

λ_peak (?) : 5300.00 ------- (Angstrom)

λ_pivot (?) : 5447.82 ------- (Angstrom)

λ_phot (?) : 5441.45 ------- (Angstrom)

λ_min (?) : 4857.19 ------- (Angstrom)

λ_max (?) : 6500.00 ------- (Angstrom)

W_eff (?) : 625.86 ------- (Angstrom)

FWHM (?) : 591.07 ------- (Angstrom)

A_f/A_V (?) : 1.01 ------- ()

F_sun (?) : 186.87 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: ADPSid:GCPD/Cape.V_ADPS

You can download here the GaiaXPy base XML file for the full GCPD/Cape 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 (?) : ------- 3.68515e-9 (erg/cm2/s/A)

------- 3648.21 (Jy)

ZP Type (?) : Pogson

PhotCal ID (?) : GCPD/Cape.V_ADPS/Vega

AB System
Property Specified Calculated Unit
Zero Point (?) : ------- 3.66776e-9 (erg/cm2/s/A)

------- 3631.00 (Jy)

ZP Type (?) : Pogson

PhotCal ID (?) : GCPD/Cape.V_ADPS/AB

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

------- 3594.61 (Jy)

ZP Type (?) : Pogson

PhotCal ID (?) : GCPD/Cape.V_ADPS/ST

Filter added: 2014-12-06 03:16:18
Last update: 2021-07-27 19:11:19

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 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:

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