Differences

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--- information_for_astronomers:rx:p217mm [2013/09/30 11:55]
bwinkel [Channel assignment in the MBFITS data files]
+++ information_for_astronomers:rx:p217mm [2020/09/12 22:08]
akraus
@@ Line 7: / Line 7: @@
 ^ Frequency [GHz] ^ Channel ^ Polarisation ^ Tcal [K] ^ Tsys [K] ^ Sensitivity [K/Jy] ^ SEFD [Jy] ^ Aperture Eff. [%] ^ TMB/S [K/Jy] ^ Main Beam Eff. [%] ^ FWHM [arcsec] ^ Last update ^
-|1.400 |A |LCP |4.5 |25 |1.5 |17 |54 |2.0 |75 |~550 |Dec 2007 |
+|1.408 |A |LCP |4.5 |23 |1.55 |15 |55 |1.8 |87 |587 |Mar 2020 |
+|1.408 |B |RCP |4.4 |22 |1.55 |14 |55 |1.8 |87 |587 |Mar 2020 |
 ^ normalized Gain curve (G = A0 + A1·Elv + A2·Elv2)^^^ Observed in ^ confirmed ^
-|A0 = 1.0|A1 = 0.0|A2 = 0.0|Dec 2007| |
+|A0 = 1.0|A1 = 0.0|A2 = 0.0|Dec 2007|Jan 2014 |
 **Comments:**
@@ Line 62: / Line 63: @@
 |  100 | 16384 |  1440 |    6.1 |  1.271 |  1.474 |
+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 ====
-TODO
+{{:information_for_astronomers:rx:20150728_tcal_absolute_all_bb.png?800|}}

Effelsberg 100m Teleskop