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Update WFC3 broken links #203

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Expand Up @@ -449,7 +449,7 @@
"exposures 1-3 above have real jitter data reported. In this example, the average V2 & V3 jitter values <br>\n",
"vary by about +/- 0.5 - 2 mas and the RMS values are at a 1.5 - 2 mas level. \n",
"\n",
"At the time this notebook was written, the [HST Primer](https://hst-docs.stsci.edu/hsp/the-hubble-space-telescope-primer-for-cycle-30) section on [Optical Performance, Guiding <br> Performance, and Observing Efficiency](https://hst-docs.stsci.edu/hsp/the-hubble-space-telescope-primer-for-cycle-30/hst-primer-optical-performance-guiding-performance-and-observing-efficiency) states the dual guide star \"pointing control method was <br>\n",
"The [HST Primer](https://hst-docs.stsci.edu/hsp/the-hubble-space-telescope-primer-for-cycle-32) section on [Optical Performance, Guiding <br> Performance, and Observing Efficiency](https://hst-docs.stsci.edu/hsp/the-hubble-space-telescope-primer-for-cycle-32/hst-primer-optical-performance-guiding-performance-and-observing-efficiency) for Cycle 32 states the dual guide star \"pointing control method was <br>\n",
"designed to keep telescope jitter below 0.007 arcsec rms, but the current performance has jitter of <br>\n",
"0.008 arcsec rms.\" If the exposure had single guide star tracking, the Primer section explains that \"a <br>\n",
"gyro drift around the guide star will be present that can be as large as 17 milliarcsec (mas) of roll <br> angle per second.\" "
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Expand Up @@ -357,7 +357,7 @@
"<a id=\"equal\"></a>\n",
"## 5. Correct the FLC frames using 'photometric equalization'\n",
"\n",
"This single-line step will equalize the countrates in the science array of the FLC frames to match any specified 'reference' image. For more details, see the drizzlepac documentation for the [phot_eq software](https://drizzlepac.readthedocs.io/en/latest/photeq.html). Note that at this step, we overwrite the science pixels in the original FLC files. In this case the data are sorted, and the software automatically uses the PHOTFLAM value of the first 2009 image as a reference for matching the with the other images. You can supply a given reference PHOTFLAM value to the photeq call and/or ensure that your data are time-sorted.\n",
"This single-line step will equalize the countrates in the science array of the FLC frames to match any specified 'reference' image. For more details, see the drizzlepac documentation for [`photeq`](https://drizzlepac.readthedocs.io/en/deployment/photeq.html). Note that at this step, we overwrite the science pixels in the original FLC files. In this case the data are sorted, and the software automatically uses the PHOTFLAM value of the first 2009 image as a reference for matching the with the other images. You can supply a given reference PHOTFLAM value to the photeq call and/or ensure that your data are time-sorted.\n",
"\n",
"**Note: Running this cell will edit the FLCs in the local directory, and you will need to download the files again if you require the original data.**"
]
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