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information_for_astronomers:rx:s36mm
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information_for_astronomers:rx:s36mm [2013/03/12 14:08] 127.0.0.1 external edit |
information_for_astronomers:rx:s36mm [2013/10/21 15:40] bwinkel [Spectroscopy modes and resolution] |
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| Line 64: | Line 64: | ||
| | 12 | VLBA | cross | cos AB | | | 12 | VLBA | cross | cos AB | | ||
| | 13 | VLBA | cross | sin AB | | | 13 | VLBA | cross | sin AB | | ||
| + | |||
| + | ==== Spectroscopy modes and resolution ==== | ||
| + | ^ BW ^ nchan ^ nu ^ Df ^ Dv ^ dv ^ | ||
| + | ^ MHz ^ ^ MHz ^ kHz ^ km/s ^ km/s ^ | ||
| + | | 100 | 32768 | 7800 | 3.1 | 0.117 | 0.136 | | ||
| + | | 100 | 32768 | 8000 | 3.1 | 0.114 | 0.133 | | ||
| + | | 100 | 32768 | 8200 | 3.1 | 0.112 | 0.129 | | ||
| + | | 100 | 32768 | 8400 | 3.1 | 0.109 | 0.126 | | ||
| + | | 100 | 32768 | 8600 | 3.1 | 0.106 | 0.123 | | ||
| + | | 100 | 32768 | 8800 | 3.1 | 0.104 | 0.121 | | ||
| + | | 500 | 32768 | 7800 | 15.3 | 0.586 | 0.680 | | ||
| + | | 500 | 32768 | 8000 | 15.3 | 0.572 | 0.663 | | ||
| + | | 500 | 32768 | 8200 | 15.3 | 0.558 | 0.647 | | ||
| + | | 500 | 32768 | 8400 | 15.3 | 0.545 | 0.632 | | ||
| + | | 500 | 32768 | 8600 | 15.3 | 0.532 | 0.617 | | ||
| + | | 500 | 32768 | 8800 | 15.3 | 0.520 | 0.603 | | ||
| + | |||
| + | BW ... band width\\ | ||
| + | nchan ... number of spectral channels\\ | ||
| + | nu ... center frequency\\ | ||
| + | Df ... Channel separation (in frequency)\\ | ||
| + | Dv ... Channel separation (in velocity)\\ | ||
| + | dv ... Velocity resolution (dv=1.16*Dv) | ||
| + | |||
| ==== Tcal and Tsys measurements ==== | ==== Tcal and Tsys measurements ==== | ||
information_for_astronomers/rx/s36mm.txt ยท Last modified: 2022/09/22 07:30 by akraus
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