| Generic/Johnson_UBVRIJHKL.U | 3511.89 | 3531.05 | 3551.05 | 3010.00 | 4100.00 | 657.00 | 1438.73 | 3.5e-9 | | | Johnson UBVRIJHKL system, U filter |
| Generic/Johnson_UBVRIJHKL.B | 4382.77 | 4427.13 | 4361.93 | 3617.09 | 5553.00 | 1011.70 | 4318.32 | 6.74e-9 | | | Johnson UBVRIJHKL system, B filter |
| Generic/Johnson_UBVRIJHKL.V | 5501.40 | 5537.16 | 5467.57 | 4698.00 | 7204.00 | 889.80 | 3617.50 | 3.58e-9 | | | Johnson UBVRIJHKL system, V filter |
| Generic/Johnson_UBVRIJHKL.R | 6819.05 | 6939.52 | 6695.83 | 5233.33 | 9400.00 | 2070.00 | 2908.68 | 1.88e-9 | | | Johnson UBVRIJHKL system, R filter |
| Generic/Johnson_UBVRIJHKL.I | 8657.44 | 8780.66 | 8568.89 | 7000.00 | 11800.00 | 2316.00 | 2309.23 | 9.24e-10 | | | Johnson UBVRIJHKL system, I filter |
| Generic/Johnson_UBVRIJHKL.J | 12317.30 | 12487.81 | 12094.21 | 9693.00 | 15507.00 | 3193.55 | 1603.94 | 3.17e-10 | | | Johnson UBVRIJHKL system, J filter |
| Generic/Johnson_UBVRIJHKL.H | 16396.38 | 16464.36 | 16303.58 | 14613.20 | 18301.00 | 2862.63 | 1014.83 | 1.13e-10 | | | Johnson UBVRIJHKL system, H filter |
| Generic/Johnson_UBVRIJHKL.H | Filter Description | Filter ID (?) : | Generic/Johnson_UBVRIJHKL.H |
| Description (?) : | Johnson UBVRIJHKL system, H filter |
| Phot.System (?) : | Johnson_UBVRIJHKL |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | H |
| Obs. Facility (?) : | ------ |
| Instrument (?) : | ------ |
| Comments (?) : | This H filter transmission does not appear in the original filter. It is mentioned later as part of the photometric system. We include here the version tabulated in the Bessell and Brett (1988) paper.
|
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
16396.38 | ------- | (Angstrom) |
| λmean (?) : |
16464.36 | ------- | (Angstrom) |
| λcen (?) : |
16518.10 | ------- | (Angstrom) |
| λeff (?) : |
16303.58 | ------- | (Angstrom) |
| λpeak (?) : |
16000.00 | ------- | (Angstrom) |
| λpivot (?) : |
16396.38 | ------- | (Angstrom) |
| λphot (?) : |
16348.87 | ------- | (Angstrom) |
| λmin (?) : |
14613.20 | ------- | (Angstrom) |
| λmax (?) : |
18301.00 | ------- | (Angstrom) |
| Weff (?) : |
2862.63 | ------- | (Angstrom) |
| FWHM (?) : |
2983.81 | ------- | (Angstrom) |
| Af/AV (?) : |
0.194 | ------- | () |
| Fsun (?) : |
22.67 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
Bessell and Brett 1988 Transmission components: Filter + Atmosphereid:Generic/Johnson_UBVRIJHKL.H
You can download here the GaiaXPy base XML file for the full Generic/Johnson_UBVRIJHKL 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 (?) : |
------- |
1.13166e-10 | (erg/cm2/s/A) |
| |
------- |
1014.83 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Generic/Johnson_UBVRIJHKL.H/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.04903e-10 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Generic/Johnson_UBVRIJHKL.H/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
32561.29 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Generic/Johnson_UBVRIJHKL.H/ST |
| |
|
Filter added: 2021-02-23 10:42:34
Last update: 2021-07-27 19:15:08 |
| Generic/Johnson_UBVRIJHKL.K | 21735.85 | 21951.17 | 21429.69 | 18050.00 | 25937.50 | 5785.00 | 656.62 | 4.17e-11 | | | Johnson UBVRIJHKL system, K filter |
| Generic/Johnson_UBVRIJHKL.LII | 34133.59 | 34370.90 | 33782.78 | 29071.43 | 41500.00 | 7010.00 | 291.96 | 7.51e-12 | | | Johnson UBVRIJHKL system, LII filter |
| Generic/Johnson_UBVRIJHKL.LI | 35023.93 | 35395.45 | 34481.23 | 29071.43 | 42750.00 | 8800.00 | 281.08 | 6.87e-12 | | | Johnson UBVRIJHKL system, LI filter |
| Generic/Johnson_UBVRIJHKL.M | 49749.05 | 50311.17 | 48906.07 | 41250.00 | 62500.00 | 11280.00 | 148.25 | 1.8e-12 | | | Johnson UBVRIJHKL system, M filter |
| Generic/Johnson_UBVRIJHKL.N | 98704.78 | 103240.50 | 92060.34 | 70196.00 | 136000.00 | 43744.90 | 43.16 | 1.33e-13 | | | Johnson UBVRIJHKL system, N filter |
 ≡ 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=16464.361561038&id=Generic/Johnson_UBVRIJHKL.H><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=16303.578563585&id=Generic/Johnson_UBVRIJHKL.H><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=16396.382856007&id=Generic/Johnson_UBVRIJHKL.H><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=16348.867494767&id=Generic/Johnson_UBVRIJHKL.H><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=2862.6263568148,16518.095238095,0.99&id=Generic/Johnson_UBVRIJHKL.H><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}
