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D: 30 to 60d, -1.33 to 1.33d
Because each tile is 30d long, a reasonable option is to divide each squashed tile into two or three "sub"
tiles, each 10x2.66 or 15x2.66d. The two sub-tiles of 15x2.66d should probably only be considered if good phase calibrators can be tiles. In searching for calibrators, I found
right that some of the "sub-tiles" in the
middle of same tile should actually use the
two-sub tiles. This is unlikely, so three sub-tiles same calibrator. Therefore, some of
10x2.66d is the
likely design. Each sub-tile tiles can
have its own phase calibrator, be observed as one 10x2.66d sub-tile, and
the full observation will move along the tile, one
sub-tile at a time. 20x2.66d sub-tile. Whether to start with the easternmost or westernmost sub-tile will depend on whether the full tile will be observed rising or setting.
\section{Resources}
...
\section{Phase calibrators}
\textbf{\textit{Stripe 82-A: 300 to 330d, -1.33 to 1.33d}}
- Sub-tile \begin{itemize}
\item 300 to 310d: only reasonable choice I find is J2011-0644: P-code in L/C, ~1.5Jy. All others within 15d of center are S-code and faint. Major downside is this is further south, in/toward satellite belt...
- Sub-tile \item 310 to
320d: J2136+0041, P-code, very bright (>4Jy). There are a few other options that are up to a degree closer to center, but this one 330d: J2136+0041 is
so very bright and
in the
tile it seems obvious
choice. Could observe choice for this entire 20d-wide sub-tile. So bright, it is a good candidate for a polarization calibrator; could potentially be observed an additional time at
the beginning
and end (or end) of
full tile as polarization calibrator?
- Sub-tile 320 the 300-310d sub-tile, in order to
330d: Again, J2136+0041 is obvious choice. cover more parallactic angle.
\end{itemize}
\textbf{\textit{Stripe 82-B: 330 to 360/0d, -1.33 to 1.33d}}
- Sub-tile \begin{itemize}
\item 330 to 350d: J2212+0512 is a good choice for this whole 20d-wide range.
\item 330 to 340d: J2212+0512, P-code in L/C, ~1-2Jy (<3d from center)
- Sub-tile \item 340 to 350d: J2212+0512 makes sense for this one also (12d from center); could use J2330+1100 but I don't think it's better or necessary, could use J2247+0000 but need further info from Kunal or our own tests.
- Sub-tile \item 350 to 360/0d: J0022+0014, P-code, ~1.5Jy (10.6d from center); could use J0016-0015, 0.8Jy
\end{itemize}
\textbf{\textit{Stripe 82-C: 0d to 30d, -1.33 to 1.33d}}
- Sub-tile \begin{itemize}
\item 0d to 10d: very good one J0022+0014
- Sub-tile \item 10d to 20d: very good one J0059+0006
- Sub-tile \item 20d to 30d: J0059+0006 (same as previous sub-tile)
\end{itemize}
\textbf{\textit{Stripe 82-D: 30 to 60d, -1.33 to 1.33d}}
- Sub-tile \begin{itemize}
\item 30d to 40d: not obvious. Only one P-code in L/C: J0259+0747, 0.85Jy, 12.5d from center. Others have a P-code in C-band and an S- or X-code in L-band. We could observe some of the potential ones in S-band ourselves to try to find calibrator.
- Sub-tile \item 40d to 50d: J0259+0747
- Sub-tile \item 50d to 60d: J0423-0120
\end{itemize}
\section{Action items}
\begin{itemize}
\item confirm the uncertain calibrator choices, or do tests to identify better calibrators for these sub-tiles:
\begin{itemize}
\item Stripe 82-A, 300 to 310: J2011-0644 is near satellite belt; all others w/in 15d of center have only S or X codes for L and C
\item
\end{itemize}
\end{itemize}
