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- This tutorial describes how to use CASA 6.5.4 to reduce spectral-line data in the low-frequency P-band of the VLA (230–470 MHz). The goal i * Additionally, if very high spectral dynamic range is needed (i.e., when expecting a ratio between the detection66 KB (9,882 words) - 11:21, 29 February 2024
- This tutorial describes how to use CASA 6.5.4 to reduce spectral-line data in the low-frequency P-band of the VLA (230–470 MHz). The goal i * Additionally, if very high spectral dynamic range is needed (i.e., when expecting a ratio between the detection66 KB (9,882 words) - 14:06, 29 February 2024
- This tutorial describes the data reduction of the HI spectral line observed of the nearby (4.8 Mpc), gas-rich dwarf galaxy LEDA44055. For its ...rvation, a 16 MHz wide IF pair (A0C0 as seen in later in listobs) subband (spectral window, abbreviated as ''spw'' in CASA) using 4096 channels was observed, e79 KB (10,810 words) - 18:24, 14 February 2020
- This tutorial describes the data reduction of the HI spectral line observed of the nearby (4.8 Mpc), gas-rich dwarf galaxy LEDA44055. For its ...rvation, a 16 MHz wide IF pair (A0C0 as seen in later in listobs) subband (spectral window, abbreviated as ''spw'' in CASA) using 4096 channels was observed, e79 KB (10,809 words) - 14:21, 9 April 2021
- This tutorial describes the data reduction of the HI spectral line observed of the nearby (4.8 Mpc), gas-rich dwarf galaxy LEDA44055. For its ...rvation, a 16 MHz wide IF pair (A0C0 as seen in later in listobs) subband (spectral window, abbreviated as ''spw'' in CASA) using 4096 channels was observed, e85 KB (11,808 words) - 11:37, 2 May 2022
- This tutorial describes the data reduction of the HI spectral line observed of the nearby (4.8 Mpc), gas-rich dwarf galaxy LEDA44055. For its ...rvation, a 16 MHz wide IF pair (A0C0 as seen in later in listobs) subband (spectral window, abbreviated as ''spw'' in CASA) using 4096 channels was observed, e91 KB (12,686 words) - 20:32, 20 February 2024
- #REDIRECT [[HI 21cm (1.4 GHz) spectral line data reduction: LEDA 44055-CASA6.5.2]]82 bytes (10 words) - 19:27, 16 November 2022
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- The first few tutorials provided us with a spectral line data cube and a continuum image. Next we'd like to ...e extracted script and you want to use your own images from completing the line imaging tutorial12 KB (1,674 words) - 10:15, 8 February 2024
- ...data table is arranged so that each row is a single timestamp for a single spectral window and a single baseline. There are several columns. DATA holds the ori * {{uvcontsub}}: carry out uv-plane continuum subtraction for spectral-line data6 KB (862 words) - 17:03, 27 March 2013
- This tutorial picks up where [[EVLA Spectral Line Calibration IRC+10216]] leaves off. [[Image:irc10216_uvspec.png|thumb|UV-plot of the spectral line signal in both spw for IRC+10216.]]21 KB (3,516 words) - 16:03, 2 September 2011
- ...he MS (see example below) as well as estimate the zenith opacity for each spectral window. This script is only intended for use with the EVLA-- it contains h #edit the last line of the script, replacing MSname.ms with the name of your measurement set, a2 KB (344 words) - 13:26, 13 December 2012
- ...s here (about 15 MHz per channel). The spectral windows cover the CO J=1-0 line, a CN doublet, and the 3mm continuum. All three types of emission are visib ...ode) and cover the 850 micron continuum, the CO J=3-2 line, and HCO+ J=4-3 line. There is a full CASA Guide describing the reduction and imaging of these d21 KB (3,592 words) - 16:03, 26 February 2013
- ...as the first argument in order to determine the center frequencies of each spectral window. (To avoid the need for this file in the future, we have submitted ...y, it produces a plot summarizing the results. By default, it will use all spectral windows, but it will exclude those with an "INSUFFICIENT DATA" status from8 KB (1,058 words) - 12:56, 8 August 2013
- ...ctral Line tutorial - IRC+10216 part1]] and [[EVLA high frequency Spectral Line tutorial - IRC+10216 part2]]. [[Category:EVLA]][[Category:Calibration]][[Category:Spectral Line]]13 KB (1,838 words) - 17:57, 6 January 2012
- ...ctral Line tutorial - IRC+10216 part1]] and [[EVLA high frequency Spectral Line tutorial - IRC+10216 part2]]. [[Category:EVLA]][[Category:Calibration]][[Category:Spectral Line]]13 KB (1,853 words) - 13:35, 9 January 2012
- ...mes the bandpass calibrator at the required frequency is contaminated with line absorption or emission. In particular, this is notorious for observations c ...bserving frequency. The offset frequencies should be chosen clean from any line contamination, but with as little frequency offset as possible. Ideally it10 KB (1,205 words) - 15:47, 11 March 2021
- ...iate amount of channel averaging has been applied to reduce the data size. Line data sets are provided at their full resolution. If self-calibration was po ...the primary beam images themselves and can be applied to the corresponding line data if desired using the CASA task {{impbcor}}.16 KB (2,452 words) - 10:11, 8 May 2018
- ...[https://casaguides.nrao.edu/index.php/AIPS-Spectral_Lines_and_Astrometry Spectral Lines and Astrometry] ...//www.jb.man.ac.uk/DARA/unit4/Workshops/Spectral_line.html EVN HI Spectral Line]4 KB (593 words) - 18:09, 2 June 2023
- ...at spectral line imaging in CASA]] This guide shows imaging of a spectral line.6 KB (859 words) - 16:29, 8 January 2018
- [[Category:ALMA]][[Category:Imaging]][[Category:Spectral Line]] ...tech)]]''' CASA Guide will cover the imaging of the continuum and spectral line data. It begins where the '''[[NGC3256 Band3 - Calibration (Caltech)]]'''24 KB (3,568 words) - 21:20, 12 January 2012
- [[Category:ALMA]][[Category:Imaging]][[Category:Spectral Line]] ...Band3]]''' CASA Guide will cover the imaging of the continuum and spectral line data. It begins where the '''[[NGC3256 Band3 - Calibration]]''' section le24 KB (3,580 words) - 05:18, 11 May 2012
- ...r (analogous to what VLA users know as an IF). The characteristics of each spectral window are listed in {{listobs}}. * the rest frequency of the spectral line.5 KB (842 words) - 18:01, 7 June 2010
- ...tify spectral features, and create moment maps of each identified spectral line. ...s using the online version of Splatalogue rather than the internal one for line identification. These can be tuned via creating a file with your parameter15 KB (2,623 words) - 16:10, 28 February 2024
- [[Category:ALMA]][[Category:Imaging]][[Category:Spectral Line]] ...SA Guide for CASA 4.1 will cover the imaging of the continuum and spectral line data. It begins where the '''[[NGC3256 Band3 Calibration for CASA 4.1]]'''24 KB (3,681 words) - 09:10, 19 April 2013
- [[Category:ALMA]][[Category:Imaging]][[Category:Spectral Line]] ...SA Guide for CASA 3.4 will cover the imaging of the continuum and spectral line data. It begins where the '''[[NGC3256 Band3 Calibration for CASA 3.4]]'''24 KB (3,683 words) - 10:44, 1 June 2012
- [[Category:ALMA]][[Category:Imaging]][[Category:Spectral Line]] ...SA Guide for CASA 4.0 will cover the imaging of the continuum and spectral line data. It begins where the '''[[NGC3256 Band3 Calibration for CASA 4.0]]'''24 KB (3,681 words) - 13:14, 27 October 2012
- [[Category:ALMA]][[Category:Calibration]][[Category:Spectral Line]] ...426 km/s); because the data are automatically Hanning smoothed, the actual spectral resolution is twice this. The TDM mode data were observed and used mainly f9 KB (1,381 words) - 10:20, 5 June 2012
