|
| GCPD/Washington.C_ph | 3812.26 | 3871.12 | 3972.89 | 2900.00 | 4900.00 | 1125.51 | 2807.88 | 5.33e-9 | | | Washington C filter in GCPD, photographic version (ADPS) | | GCPD/Washington.C_pe | 3869.75 | 3915.52 | 4003.51 | 3110.50 | 4816.00 | 1020.23 | 2926.64 | 5.47e-9 | | | Washington C filter in GCPD, photoelectric version (ADPS) | | GCPD/Washington.C_pe | Filter Description | Filter ID (?) : | GCPD/Washington.C_pe |
| Description (?) : | Washington C filter in GCPD, photoelectric version (ADPS) |
| Phot.System (?) : | Washington |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | C |
| Obs. Facility (?) : | ------ |
| Instrument (?) : | ------ |
| Comments (?) : | 0.42m reflector KPNO, 0.77m reflector, Manastash Obs.
RCA C31034 Ga-As (refrigerated)
4 mm Corning CS-7-59 + 2.5 mm 80% CuSO4-H2O
Canterna 1976: http://adsabs.harvard.edu/abs/1976AJ.....81..228C
|
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
3869.75 | ------- | (Angstrom) |
| λmean (?) : |
3915.52 | ------- | (Angstrom) |
| λcen (?) : |
3905.48 | ------- | (Angstrom) |
| λeff (?) : |
4003.51 | ------- | (Angstrom) |
| λpeak (?) : |
3900.00 | ------- | (Angstrom) |
| λpivot (?) : |
3869.75 | ------- | (Angstrom) |
| λphot (?) : |
4028.81 | ------- | (Angstrom) |
| λmin (?) : |
3110.50 | ------- | (Angstrom) |
| λmax (?) : |
4816.00 | ------- | (Angstrom) |
| Weff (?) : |
1020.23 | ------- | (Angstrom) |
| FWHM (?) : |
1049.05 | ------- | (Angstrom) |
| Af/AV (?) : |
1.44 | ------- | () |
| Fsun (?) : |
139.13 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
ADPS Transmission components: Filter + Instrument | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
5.47404e-9 | (erg/cm2/s/A) |
| |
------- |
2926.64 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
GCPD/Washington.C_pe/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
6.79148e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
GCPD/Washington.C_pe/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
1941.28 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
GCPD/Washington.C_pe/ST |
| |
|
Filter added: 2014-12-07 04:04:12
Last update: 2020-12-10 16:29:10 | | GCPD/Washington.M_pe | 5042.71 | 5074.04 | 5015.23 | 4321.75 | 5978.25 | 943.70 | 3816.93 | 4.55e-9 | | | Washington M filter in GCPD, photoelectric version (ADPS) | | GCPD/Washington.M_ph | 5104.51 | 5117.80 | 5095.85 | 4606.00 | 5770.00 | 636.67 | 3778.04 | 4.36e-9 | | | Washington M filter in GCPD, photographic version (ADPS) | | GCPD/Washington.T1_pe | 6371.65 | 6400.92 | 6339.90 | 5616.75 | 7633.00 | 805.98 | 3056.24 | 2.28e-9 | | | Washington T1 filter in GCPD, photoelectric version (ADPS) | | GCPD/Washington.T1_ph | 6519.53 | 6534.77 | 6501.92 | 5910.60 | 7247.00 | 705.71 | 2969.48 | 2.11e-9 | | | Washington T1 filter in GCPD, photographic version (ADPS) | | GCPD/Washington.T2_pe | 7970.51 | 8001.98 | 7934.73 | 7109.09 | 8798.41 | 1352.00 | 2414.36 | 1.15e-9 | | | Washington T2 filter in GCPD, photoelectric version (ADPS) | | GCPD/Washington.T2_ph | 8015.23 | 8053.29 | 7975.65 | 7111.00 | 9093.40 | 1427.27 | 2406.75 | 1.13e-9 | | | Washington T2 filter in GCPD, photographic version (ADPS) |
| Filter Plots
 |
|
© SVO, 10382 filters available, Last update: 2021-05-07 | 
 ≡ filter transmission<p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl<li><b>Utype</b>: <i>photdm:PhotometryFilter.SpectralAxis.Coverage.Location.Value</i></ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission<br> Vg(λ) ≡ Vega spectrum.<p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</a> (units: Angstrom erg/cm2/s/A).</ul><p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl.effective</ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission<p>Equivalent to the horizontal size of a rectangle with height equal to maximum transmission and with the same area that the one covered by the filter transmission curve.<p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:instr.bandwidth<li><b>Utype</b>: <i>photdm:PhotometryFilter.SpectralAxis.Coverage.Bounds.Extent</i></ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission (energy counter).<br> Vg(λ) ≡ Vega spectrum.<p><i>(T(λ) must be multiplied by λ for photon counting devices)</i><p>F<sub>0,ν</sub>(Jy) = (2.9979246)<sup>-1</sup> 10<sup>5</sup> * λ<sub>ref</sub><sup>2</sup> * F<sub>0,λ</sub>(erg/cm<sup>2</sup>/s/A)<p>In the case that filter owner specifies its own values, they will be the ones provided by the service when queried through the VO.<p><u>Property info:</u><ul><li><b>Unit</b>:Jy<li><b>UCD</b>:phot.flux.density<li><b>Utype</b>: <i>photdm:PhotCal.ZeroPoint.Flux.value</i></ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission (energy counter).<br> Vg(λ) ≡ Vega spectrum.<p><i>(T(λ) must be multiplied by λ for photon counting devices)</i><p><u>Property info:</u><ul><li><b>Unit</b>:erg/cm2/s/A<li><b>Utype</b>: <i>PhotCal.ZeroPoint</i></ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission<p>f(λ) ≡ flux of the spectrum<p><u>Property info:</u><ul><li><b>Utype</b>: <i>photdm:PhotometricSystem.detectorType</i></ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission<p><img src=showgraph.php?what=lmean&val=3915.5242638619&id=GCPD/Washington.C_pe><p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl<li><b>Utype</b>: <i>photdm:PhotometryFilter.SpectralAxis.Coverage.Location.Value</i></ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
 ≡ filter transmission<br> Vg(λ) ≡ Vega spectrum.<p><img src=showgraph.php?what=leff&val=4003.5118664726&id=GCPD/Washington.C_pe><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</a> (units: Angstrom erg/cm2/s/A).</ul><p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl.effective</ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
 ≡ filter transmission<p><img src=showgraph.php?what=lpiv&val=3869.7486241092&id=GCPD/Washington.C_pe><p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl</ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
 ≡ filter transmission<br> Vg(λ) ≡ Vega spectrum<p><img src=showgraph.php?what=lphot&val=4028.8089397376&id=GCPD/Washington.C_pe><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</a> (units: Angstrom erg/cm2/s/A).</ul><p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl</ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
 ≡ filter transmission<p>Equivalent to the horizontal size of a rectangle with height equal to maximum transmission and with the same area that the one covered by the filter transmission curve.<p><img src=showgraph.php?what=weff&val=1020.2278095238,3905.4761904762,0.84&id=GCPD/Washington.C_pe><p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:instr.bandwidth<li><b>Utype</b>: <i>photdm:PhotometryFilter.SpectralAxis.Coverage.Bounds.Extent</i></ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
![(?)](javascript:Tip('<b>A<sub>f</sub>/A<sub>V</sub></b><br><table cellpadding=20><td class=helptd>Ratio between extintion at λ<sub>ref</sub> and visual extintion. <p>Calculated by the service using the extinction law by <a href="http://adsabs.harvard.edu/abs/1999PASP..111...63F" target="_blank">Fitzpatrick (1999)</a> improved by <a href="http://adsabs.harvard.edu/abs/2005ApJ...619..931I" target="_blank">Indebetouw et al (2005)</a> in the infrared. <p><img src=images/extinctionlaw.png><p>You can download the corresponding <a href=\"getextlaw.php\" target=\"_blank\">data file</a> for the opacity k<sub>λ</sub>. The extinction at each wavelength is calculated as: A<sub>λ</sub> = A<sub>V</sub> * k<sub>λ</sub>/k<sub>V</sub>, where k<sub>λ</sub> is the opacity for a given λ and k<sub>V</sub>=211.4<p><p><u>Property info:</u><ul></ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
 ≡ filter transmission.<br> Sun(λ) ≡ Sun spectrum.<p><img src=images/sunspec.png><p><p><u>More info:</u><p>Sun spectrum from calspec database: sun_reference_stis_002 composed with sun_mod_001 for larger wavelengths.<ul><li><a href="https://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/sun.dat" target="_blank">Sun composed spectrum</a> (units: Angstrom erg/cm2/s/A).</ul><p><u>Property info:</u><ul><li><b>Unit</b>:erg/cm2/s/A<li><b>UCD</b>:phot.flux.density</ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
 ≡ filter transmission<br> Vg(λ) ≡ Vega spectrum<p>F<sub>0,ν</sub>(Jy) = (2.9979246)<sup>-1</sup> 10<sup>5</sup> * λ<sub>ref</sub><sup>2</sup> * F<sub>0,λ</sub>(erg/cm<sup>2</sup>/s/A)<p>In the case that filter owner specifies its own values, they will be the ones provided by the service when queried through the VO.<p><u>VO PhotDM Utypes</u>: <br><i>PhotCal.MagnitudeSystem.type</i> -> VEGAmag <br><i>PhotCal.ZeroPoint.Flux.value</i> -> F<sub>0</sub><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</a> (units: Angstrom erg/cm2/s/A).</ul><p><u>Property info:</u><ul><li><b>UCD</b>:phot.flux.density<li><b>Utype</b>: <i>photdm:PhotCal.ZeroPoint.Flux.value</i></ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
