SVO Filter Profile Service

GCPD :Filters at GCPD
GCPD/Johnson :Johnson photometric systemid:GCPD/Johnson.a
→ GaiaXPy base XML file. You can download here the GaiaXPy base XML file for the full GCPD/Johnson 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

Obs. Facility

Instrument

Description

GCPD/Johnson.U_Landolt

3376.53

3416.49

3455.72

2756.30

4209.57

939.50

1417.81

3.73e-9

Johnson U filter in GCPD-Landolt 1983

GCPD/Johnson.U_ADPS

3478.95

3502.06

3529.42

2953.82

4086.11

680.40

1448.62

3.59e-9

Johnson U filter in GCPD-UBV (ADPS)

GCPD/Johnson.U_Mendoza

3516.76

3536.13

3569.64

3012.50

4100.00

658.00

1500.25

3.64e-9

Johnson U filter in GCPD-UBVRI, Mendoza (ADPS)

GCPD/Johnson.U

3595.21

3618.23

3678.27

2956.44

4164.86

580.76

1810.85

4.2e-9

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

GCPD/Johnson.U_Straizys

3628.32

3641.75

3682.04

3102.63

4114.29

452.90

1681.07

3.83e-9

Johnson U filter in GCPD-UBV, Straizys (ADPS)

GCPD/Johnson.B_Landolt

4284.08

4313.35

4299.24

3613.13

5112.72

843.11

3931.98

6.42e-9

Johnson U filter in GCPD-Landolt 1983

GCPD/Johnson.B

4368.39

4410.00

4365.05

3614.50

5413.33

992.11

4015.68

6.31e-9

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

GCPD/Johnson.B_ADPS

4382.27

4424.66

4373.16

3681.25

5496.15

987.70

4015.00

6.27e-9

Johnson B filter in GCPD-UBV (ADPS)

GCPD/Johnson.B_Mendoza

4399.08

4439.29

4389.23

3675.00

5500.00

950.00

4030.23

6.24e-9

Johnson B filter in GCPD-UBVRI, Mendoza (ADPS)

GCPD/Johnson.B_Straizys

4404.96

4448.06

4394.48

3661.76

5500.00

1010.30

4019.91

6.21e-9

Johnson B filter in GCPD-UBV, Straizys (ADPS)

GCPD/Johnson.V_Landolt

5419.17

5446.49

5393.85

4796.16

6454.89

870.58

3665.97

3.74e-9

Johnson V filter in GCPD-Landolt 1983

GCPD/Johnson.V_Straizys

5469.97

5504.67

5438.23

4766.67

6900.00

870.65

3633.35

3.64e-9

Johnson V filter in GCPD-UBV, Straizys (ADPS)

GCPD/Johnson.V

5486.31

5523.92

5451.77

4742.58

6862.30

870.34

3620.46

3.61e-9

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

GCPD/Johnson.V

Filter Description

Filter ID (?) : GCPD/Johnson.V

Description (?) : Johnson V filter in GCPD (revised by Mann & von Braun 2014)

Phot.System (?) : Johnson

Detector Type (?) : Energy counter

Band Name (?) : V

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

Instrument (?) : ------

Comments (?) : 0.33m and 2.08m (reflector), Mc Donald Obs.
RCA 1P21
Corning 3384
Johnson & Morgan 1953: http://adsabs.harvard.edu/abs/1953ApJ...117..313J

Mathematical properties

Property Calculated Specified Unit

λ_ref (?) : 5486.31 ------- (Angstrom)

λ_mean (?) : 5523.92 ------- (Angstrom)

λ_cen (?) : 5430.07 ------- (Angstrom)

λ_eff (?) : 5451.77 ------- (Angstrom)

λ_peak (?) : 5284.30 ------- (Angstrom)

λ_pivot (?) : 5486.31 ------- (Angstrom)

λ_phot (?) : 5474.69 ------- (Angstrom)

λ_min (?) : 4742.58 ------- (Angstrom)

λ_max (?) : 6862.30 ------- (Angstrom)

W_eff (?) : 870.34 ------- (Angstrom)

FWHM (?) : 810.91 ------- (Angstrom)

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

F_sun (?) : 184.33 ------- (erg/cm2/s/A)

Transmission

Data file: ascii, VOTable

Reference for filter response: Mann & von Braun 2014

Transmission components: Filter + Instrumentid:GCPD/Johnson.V

You can download here the GaiaXPy base XML file for the full GCPD/Johnson 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 (?) : ------- 3.60599e-9 (erg/cm2/s/A)

------- 3620.46 (Jy)

ZP Type (?) : Pogson

PhotCal ID (?) : GCPD/Johnson.V/Vega

AB System
Property Specified Calculated Unit
Zero Point (?) : ------- 3.61648e-9 (erg/cm2/s/A)

------- 3631.00 (Jy)

ZP Type (?) : Pogson

PhotCal ID (?) : GCPD/Johnson.V/AB

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

------- 3645.57 (Jy)

ZP Type (?) : Pogson

PhotCal ID (?) : GCPD/Johnson.V/ST

Reference for calibration: Mann & von Braun 2014

Filter added: 2014-12-07 04:53:51
Last update: 2022-05-04 15:55:00

GCPD/Johnson.V_Mendoza

5499.25

5535.47

5465.48

4700.00

7300.00

902.35

3618.01

3.59e-9

Johnson V filter in GCPD-UBVRI, Mendoza (ADPS)

GCPD/Johnson.V_ADPS

5506.99

5543.04

5472.95

4666.67

7033.33

898.93

3613.57

3.57e-9

Johnson V filter in GCPD-UBV (ADPS)

GCPD/Johnson.R_Landolt

6440.70

6541.21

6342.86

5403.70

8853.86

1638.87

3081.62

2.23e-9

Johnson R filter in GCPD-Landolt 1983

GCPD/Johnson.R_Mendoza

6815.27

6936.12

6692.02

5250.00

9450.00

2071.50

2906.54

1.88e-9

Johnson R filter in GCPD-UBVRI, Mendoza (ADPS)

GCPD/Johnson.R

7047.92

7112.40

6985.86

5962.25

8977.90

1528.51

2763.77

1.67e-9

Johnson R filter in GCPD-UBVRI, Mendoza (revised by Mann & von Braun 2014)

GCPD/Johnson.I_Landolt

8065.80

8102.66

8025.63

6892.24

9041.47

1322.81

2385.34

1.1e-9

Johnson I filter in GCPD-Landolt 1983

GCPD/Johnson.I_Mendoza

8654.25

8776.81

8563.43

6900.00

11800.00

2312.00

2305.95

9.23e-10

Johnson I filter in GCPD-UBVRI, Mendoza (ADPS)

Filter Plots (using a common λ range)

(Plot them zoomed to their own λ range)

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