|
| CAHA/BUSCA.u | 3564.95 | 3571.68 | 3573.91 | 3201.89 | 3898.90 | 344.30 | 1369.33 | 3.23e-9 | CAHA | BUSCA | BUSCA u | | CAHA/BUSCA.u | Filter Description | Filter ID (?) : | CAHA/BUSCA.u |
| Description (?) : | BUSCA u |
| Phot.System (?) : | Stromgren |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | u |
| Obs. Facility (?) : | CAHA |
| Instrument (?) : | BUSCA |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
3564.95 | ------- | (Angstrom) |
| λmean (?) : |
3571.68 | ------- | (Angstrom) |
| λcen (?) : |
3578.44 | ------- | (Angstrom) |
| λeff (?) : |
3573.91 | ------- | (Angstrom) |
| λpeak (?) : |
3600.00 | ------- | (Angstrom) |
| λpivot (?) : |
3564.95 | ------- | (Angstrom) |
| λphot (?) : |
3578.67 | ------- | (Angstrom) |
| λmin (?) : |
3201.89 | ------- | (Angstrom) |
| λmax (?) : |
3898.90 | ------- | (Angstrom) |
| Weff (?) : |
344.30 | ------- | (Angstrom) |
| FWHM (?) : |
350.53 | ------- | (Angstrom) |
| Af/AV (?) : |
1.60 | ------- | () |
| Fsun (?) : |
105.36 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Transmission components: Filterid:CAHA/BUSCA.u
You can download here the GaiaXPy base XML file for the full CAHA/BUSCA 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 (?) : |
------- |
3.23014e-9 | (erg/cm2/s/A) |
| |
------- |
1369.33 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CAHA/BUSCA.u/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
8.56524e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CAHA/BUSCA.u/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
1539.26 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CAHA/BUSCA.u/ST |
| |
|
Filter added: 2010-04-17 05:58:55
Last update: 2021-07-27 18:43:23 | | CAHA/BUSCA.UV | 3659.09 | 3736.99 | 3861.62 | 3000.00 | 5016.57 | 1422.75 | 2217.33 | 4.96e-9 | CAHA | BUSCA | BUSCA UV Band | | CAHA/BUSCA.v | 4122.24 | 4123.48 | 4123.97 | 3966.05 | 4289.97 | 179.24 | 4165.33 | 7.35e-9 | CAHA | BUSCA | BUSCA v | | CAHA/BUSCA.b | 4657.64 | 4658.27 | 4657.05 | 4548.34 | 4779.25 | 143.54 | 4252.77 | 5.88e-9 | CAHA | BUSCA | BUSCA b | | CAHA/BUSCA.Hbn | 4855.08 | 4855.11 | 4853.44 | 4822.17 | 4886.00 | 29.71 | 2697.34 | 3.43e-9 | CAHA | BUSCA | BUSCA Hβ narrow filter | | CAHA/BUSCA.Hbw | 4867.55 | 4868.19 | 4867.52 | 4761.73 | 4977.15 | 148.24 | 3582.97 | 4.53e-9 | CAHA | BUSCA | BUSCA Hβ wide filter | | CAHA/BUSCA.Blue | 4896.30 | 4937.86 | 4873.69 | 3481.00 | 6014.58 | 1018.30 | 3926.82 | 4.91e-9 | CAHA | BUSCA | BUSCA Blue Band | | CAHA/BUSCA.y | 5487.01 | 5488.48 | 5485.60 | 5307.08 | 5662.36 | 221.92 | 3613.14 | 3.6e-9 | CAHA | BUSCA | BUSCA y | | CAHA/BUSCA.WG280 | 5025.35 | 5909.57 | 5072.19 | 2504.28 | 9000.00 | 6173.93 | 2550.33 | 3.03e-9 | CAHA | BUSCA | BUSCA WG280 filter | | CAHA/BUSCA.Red | 6317.17 | 6405.45 | 6223.96 | 4872.58 | 8010.07 | 1861.89 | 3142.35 | 2.36e-9 | CAHA | BUSCA | BUSCA Red Band | | CAHA/BUSCA.I | 8003.42 | 8035.41 | 7966.90 | 7008.67 | 9014.89 | 1319.57 | 2397.92 | 1.12e-9 | CAHA | BUSCA | BUSCA Bessell-Cousins I filter | | CAHA/BUSCA.NIR | 8945.22 | 9143.25 | 8783.08 | 6489.78 | 11000.00 | 3497.60 | 2273.48 | 8.52e-10 | CAHA | BUSCA | BUSCA NIR Band |
|
| 
 ≡ filter transmission<p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl</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://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum file</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.bandwidth.extent.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>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>UCD</b>:meta.code<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=3571.6780443859&id=CAHA/BUSCA.u><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=leff&val=3573.9082349275&id=CAHA/BUSCA.u><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum file</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=3564.9515833825&id=CAHA/BUSCA.u><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=3578.6723751406&id=CAHA/BUSCA.u><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum file</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=344.30379721086,3578.4438217605,0.553&id=CAHA/BUSCA.u><p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:instr.bandwidth<li><b>Utype</b>: <i>photdm:PhotometryFilter.bandwidth.extent.value</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/extlaw.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/sun.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://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/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://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum file</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}
