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information_for_astronomers:rx:s110mm [2013/03/12 14:08] 127.0.0.1 external edit |
information_for_astronomers:rx:s110mm [2013/10/21 15:39] bwinkel [Spectroscopy modes and resolution] |
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| 35 | SB | cross | center=2.635 GHz, BW=80 MHz, cos AB | | | 35 | SB | cross | center=2.635 GHz, BW=80 MHz, cos AB | | ||
| 36 | SB | cross | center=2.635 GHz, BW=80 MHz, sin AB | | | 36 | SB | cross | center=2.635 GHz, BW=80 MHz, sin AB | | ||
+ | |||
+ | ==== Spectroscopy modes and resolution ==== | ||
+ | ^ BW ^ nchan ^ nu ^ Df ^ Dv ^ dv ^ | ||
+ | ^ MHz ^ ^ MHz ^ kHz ^ km/s ^ km/s ^ | ||
+ | | 100 | 32768 | 2600 | 3.1 | 0.352 | 0.408 | | ||
+ | |||
+ | 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 ==== |