diff --git a/antenna.html b/antenna.html index 904b89cb6d48bacc12a7ef8d97bf33c8935e7915..8e552b65e1126da5faeae081968cc7845193264f 100644 --- a/antenna.html +++ b/antenna.html @@ -276,72 +276,71 @@ Additionally, a number of high-energy receivers are being planned for the SRT. T <p>These backends are available for the current call for proposals:</p> <table border="1" class="docutils"> <colgroup> -<col width="16%" /> -<col width="7%" /> -<col width="18%" /> -<col width="21%" /> -<col width="16%" /> -<col width="22%" /> +<col width="10%" /> +<col width="5%" /> +<col width="12%" /> +<col width="10%" /> +<col width="14%" /> +<col width="48%" /> </colgroup> <thead valign="bottom"> <tr class="row-odd"><th class="head">Backend</th> <th class="head">Bands</th> <th class="head">Bandwidth (MHz)</th> -<th class="head">Type</th> <th class="head">Sampling time</th> -<th class="head">Max frequency bins</th> +<th class="head">Max freq. bins</th> +<th class="head">Observing modes</th> </tr> </thead> <tbody valign="top"> <tr class="row-even"><td><strong>Total Power</strong></td> <td>C,K</td> <td>250,680,1200,2000</td> -<td>analog/total power</td> <td>1-1000 ms</td> <td>1</td> +<td>continuum (analog)</td> </tr> <tr class="row-odd"><td><strong>XARCOS</strong></td> <td>C,K</td> <td>0.5,2.0,7.8,62.5</td> -<td>spectro-polarimeter</td> <td>10s</td> <td>2048</td> +<td>spectro-polarimeter</td> </tr> <tr class="row-even"><td><strong>SARDARA</strong></td> <td>C,K</td> <td>420, 1500(1200*)</td> -<td>spectro-polarimeter</td> <td>down to 5ms</td> <td>1024 or 16384</td> +<td>continuum (includes polarization) & spectroscopy (no polarization)</td> </tr> <tr class="row-odd"><td><strong>SARDARA</strong></td> <td>L</td> <td>115,230,460,1500</td> -<td>spectro-polarimeter</td> <td>down to 5ms</td> <td>1024 or 16384</td> +<td>continuum (no polarization) & spectroscopy (no polarization)</td> </tr> <tr class="row-even"><td><strong>DFB3</strong></td> <td>L,C,K</td> <td>256,512,1024</td> -<td>pulsars</td> <td>100 microsec</td> <td>8192, pulsars: 2048</td> +<td>online pulsar folding + pulsar/transient search</td> </tr> <tr class="row-odd"><td><strong>ROACH1</strong></td> <td>P,L,C,K</td> <td>128</td> -<td>baseband recorder</td> <td><ul class="first last simple"> <li></li> </ul> </td> <td>(varies)</td> +<td>baseband recorder + offline pulsar folding + pulsar/transient search</td> </tr> <tr class="row-even"><td><strong>DBBC</strong></td> <td>P,L,C,K</td> <td>512</td> -<td>VLBI</td> <td><ul class="first last simple"> <li></li> </ul> @@ -350,6 +349,7 @@ Additionally, a number of high-energy receivers are being planned for the SRT. T <li></li> </ul> </td> +<td>VLBI</td> </tr> </tbody> </table> @@ -558,7 +558,7 @@ Available configurations consist of:</p> <p><strong>in L band:</strong></p> <p>The full bandwidth for this receiver is 500 MHz (1.3-1.8 GHz). RF filters can be used (XXL4, XXL2 etc.) as well as additional backend filters (115, 230 or 460 MHz).</p> <p>More detailed information on the SARDARA backend can be found here: <a class="reference external" href="https://www.worldscientific.com/doi/full/10.1142/S2251171718500046">SARDARA</a>.</p> -<p>Note: for spectroscopic observations in L-band with SARDARA (with the 115 MHz filter), only total intensity is offered.</p> +<p>Note: for this call, only total intensity is offered for spectroscopic observations with SARDARA (no spectro-polarimetry). Instead for continuum observations, polarization is available in C and K-bands (but not L-band).</p> </div> </div> <div class="section" id="calibration"> diff --git a/antenna.rst b/antenna.rst index 24e609b744bba43b81223b4cc1cd6cd2a41dfe02..b58fede3f8bda38b5d9db1ca8216e372d5d8cff3 100644 --- a/antenna.rst +++ b/antenna.rst @@ -153,17 +153,17 @@ The frontend (receiver) outputs are connected to the backend instruments either These backends are available for the current call for proposals: -=============== ======= ================= ==================== =============== ===================== -Backend Bands Bandwidth (MHz) Type Sampling time Max frequency bins -=============== ======= ================= ==================== =============== ===================== -**Total Power** C,K 250,680,1200,2000 analog/total power 1-1000 ms 1 -**XARCOS** C,K 0.5,2.0,7.8,62.5 spectro-polarimeter 10s 2048 -**SARDARA** C,K 420, 1500(1200*) spectro-polarimeter down to 5ms 1024 or 16384 -**SARDARA** L 115,230,460,1500 spectro-polarimeter down to 5ms 1024 or 16384 -**DFB3** L,C,K 256,512,1024 pulsars 100 microsec 8192, pulsars: 2048 -**ROACH1** P,L,C,K 128 baseband recorder - (varies) -**DBBC** P,L,C,K 512 VLBI - - -=============== ======= ================= ==================== =============== ===================== +=============== ======= ================= =============== ===================== ====================================================================== +Backend Bands Bandwidth (MHz) Sampling time Max freq. bins Observing modes +=============== ======= ================= =============== ===================== ====================================================================== +**Total Power** C,K 250,680,1200,2000 1-1000 ms 1 continuum (analog) +**XARCOS** C,K 0.5,2.0,7.8,62.5 10s 2048 spectro-polarimeter +**SARDARA** C,K 420, 1500(1200*) down to 5ms 1024 or 16384 continuum (includes polarization) & spectroscopy (no polarization) +**SARDARA** L 115,230,460,1500 down to 5ms 1024 or 16384 continuum (no polarization) & spectroscopy (no polarization) +**DFB3** L,C,K 256,512,1024 100 microsec 8192, pulsars: 2048 online pulsar folding + pulsar/transient search +**ROACH1** P,L,C,K 128 - (varies) baseband recorder + offline pulsar folding + pulsar/transient search +**DBBC** P,L,C,K 512 - - VLBI +=============== ======= ================= =============== ===================== ====================================================================== (1200*) the actual available bandwidth for SARDARA is 1200 MHz. @@ -287,7 +287,7 @@ The full bandwidth for this receiver is 500 MHz (1.3-1.8 GHz). RF filters can be More detailed information on the SARDARA backend can be found here: `SARDARA <https://www.worldscientific.com/doi/full/10.1142/S2251171718500046>`_. -Note: for spectroscopic observations in L-band with SARDARA (with the 115 MHz filter), only total intensity is offered. +Note: for this call, only total intensity is offered for spectroscopic observations with SARDARA (no spectro-polarimetry). Instead for continuum observations, polarization is available in C and K-bands (but not L-band). Calibration ===========