Differences

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--- information_for_astronomers:rx:s45mm [2019/10/09 11:25]
akraus
+++ information_for_astronomers:rx:s45mm [2020/09/29 08:16]
akraus
@@ Line 1: / Line 1: @@
 ====== 4.5cm broad band C/X secondary focus receiver (4000-9300 MHz) ======
-This is a broad-band receiver with two orthogonal linear polarizations (at a 45°-angle with the horizon). The receiver delivers 4 basebands (each with two polarizations):
+This is a broad-band receiver with two orthogonal linear polarizations (at a 45°-angle with the horizon). The receiver (in most setups simultaneously) delivers 4 basebands (each with two polarizations):
 ^Baseband^Center Frequency^Bandwidth^Comment^
@@ Line 31: / Line 31: @@
 ==== Channel assignment in the MBFITS data files ====
+==== Spectroscopy modes and resolution ====
+^Baseband^f_center^Bandwidth^N_Chan^Df^Dv^dv^
+^ ^ GHZ ^MHz ^ ^kHz^km/s^km/s^
+|1|5.25|2500|65536|38.1|2.18|2.53|
+|2|6.75|2500|65536|38.1|1.69|1.96|
+|3|6.668|200|65536|3.05|0.137|0.159|
+|4|4.829|200|65536|3.05|0.189|0.219 |
+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 ====

Effelsberg 100m Teleskop