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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 [2019/09/03 07:48] akraus |
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^ 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 ^ | ^ 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 |1.37 |17 |48 |1.8 |63 |587 |Jan 2014 | |
+ | |1.408 |B |RCP |4.4 |22 |1.37 |16 |48 |1.8 |63 |587 |Jan 2014 | | ||
^ normalized Gain curve (G = A0 + A1·Elv + A2·Elv2)^^^ Observed in ^ confirmed ^ | ^ 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:** | **Comments:** | ||
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| 100 | 16384 | 1440 | 6.1 | 1.271 | 1.474 | | | 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 ==== | ==== Tcal and Tsys measurements ==== | ||
- | TODO | + | {{:information_for_astronomers:rx:20150728_tcal_absolute_all_bb.png?800|}} |