Use this function to form spectra in X and Y stack positions into separate
quadrants/sectors of the final X spectrum. If X and/or Y individually have more
than one sector, this structure will be preserved in the output. Thus if X has
4 sectors, and Y has 2 sectors, the output in X will have 6 sectors. Spectra
may not be concatenated if the final spectrum would have either more sectors or
more data points than the limits (currently 8 sectors and 2048 data points
total). Logically, the inverse operation of EXTRACT-QUADRANT
, in that the spectra so formed can be put back
together into the original spectrum with this operation.
>> pr-sp
-------------------------------------------------------------------------
Scan : 29 Title : 0029.001 W3(H20) JCMT
Recorded on 24-JUL-93 at 15:59:09(UT)
-------------------------------------------------------------------------
Map centre: R.A. 2 23 17.30 Dec. 61 38 58.00
Offset (R.A.,Dec.): ( 0.0 0.0) arcsec.
Integration Period : 600.00sec
Azimuth 7.95 Elevation 47.23 Degrees
Vrad : 0.0Km/s
Data observed using RAD velocity law; Freq's corrected to LSR ref. frame.
Master sub-band = 1
Quad. #pts. Cent.Ch Rest Freq(GHz) Obs.Freq(GHz) Inc.freq(MHz) Tsys(K)
1 512 256.5 240.5000 240.3125 -0.313 977.44
-------------------------------------------------------------------------
>> xy
X-register now contains scan 29: 0029.001 W3(H20) JCMT
>> pr-sp
-------------------------------------------------------------------------
Scan : 29 Title : 0029.001 W3(H20) JCMT
Recorded on 24-JUL-93 at 15:59:09(UT)
-------------------------------------------------------------------------
Map centre: R.A. 2 23 17.30 Dec. 61 38 58.00
Offset (R.A.,Dec.): ( 0.0 0.0) arcsec.
Integration Period : 600.00sec
Azimuth 7.95 Elevation 47.23 Degrees
Vrad : 0.0Km/s
Data observed using RAD velocity law; Freq's corrected to LSR ref. frame.
Master sub-band = 1
Quad. #pts. Cent.Ch Rest Freq(GHz) Obs.Freq(GHz) Inc.freq(MHz) Tsys(K)
1 512 256.5 240.5000 240.4375 -0.313 977.44
-------------------------------------------------------------------------
>> concat-spectra
Number of quadrants in Y-scan = 1
>> pr-sp
-------------------------------------------------------------------------
Scan : 29 Title : 0029.001 W3(H20) JCMT
Recorded on 24-JUL-93 at 15:59:09(UT)
-------------------------------------------------------------------------
Map centre: R.A. 2 23 17.30 Dec. 61 38 58.00
Offset (R.A.,Dec.): ( 0.0 0.0) arcsec.
Integration Period : 600.00sec
Azimuth 7.95 Elevation 47.23 Degrees
Vrad : 0.0Km/s
Data observed using RAD velocity law; Freq's corrected to LSR ref. frame.
Master sub-band = 1
Quad. #pts. Cent.Ch Rest Freq(GHz) Obs.Freq(GHz) Inc.freq(MHz) Tsys(K)
1 512 256.5 240.5000 240.3125 -0.313 977.44
2 512 768.5 240.5000 240.4375 -0.313 977.44
-------------------------------------------------------------------------