Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.atnf.csiro.au/people/Tasso.Tzioumis/sched/catalogs/peak.cmd Дата изменения: Thu Jan 23 01:17:19 2014 Дата индексирования: Sat Mar 1 01:45:04 2014 Кодировка:

! Instructions to control reference pointing.

! This file is maintained in $SCHED/catalogs/Master_NRAO/peak.cmd.
! The versions in $SCHED/catalogs/ are produced by Update which
! alters the setup files for each case.

! This file provides information that allows SCHED to create reference
! pointing observations with minimal user input, either in response
! to the POINT command or when using AUTOPEAK. From this, Update in
! the catalogs area will create 3 files, one each for use with Mark5a
! recording, one for the RDBE_PFB and one for the RDBE_DDC. They only
! differ in the specified setup file.

! Not that when POINT or AUTOPEAK are used in RDBE based observations,
! the CRD parameters such as CRDDOP, CRDBW etc are used so that the
! legacy BBCs, whose power data are used for pointing, can be set
! independently of the RDBE. This is required for the RDBE_PFB because
! it cannot use the narrow bandwidths needed for pointing on masers.



! SOURCE CATALOG:

! Specify the source catalog file with pointing sources. These
! will be added to the normal source list so the names should be
! distinct from sources in the main source list (often sources.vlba).
! Note that some sources in the main list can also be used for pointing.

srcfile = $SCHED/catalogs/sources.pointing ! Reference pointing sources



! LINE REST FREQUENCIES

! Add the rest frequencies to the list of lines.
! This can also be done in the main schedule inputs.
! For here, use special names that won't conflict with what users
! use in the main program. This is being done because there are 4
! rest frequencies given, two of which are off the line for use
! with the pointing setup file, which has 4 channels and allows
! on/off line difference power pointing (although that is not yet
! available for reference pointing, it is used for pointing tests.)
! The first two frequencies are the actual line frequency.

lineinit /
lineset='PSiO431' restfreq=43122.027, 43122.027, 43222.027, 43222.027 /
lineset='PSiO862' restfreq=86243.4, 86243.4, 86443.4, 86443.4 /
lineset ='PH2O' restfreq=22235.08, 22235.08, 22285.08, 22285.08 /
endlines /



! CONTROL PARAMETERS

! The first three parameters are for automatic insertion of peaking
! scans only and apply to all 3mm groups.

minfreq = 60000.0 ! Don't bother for lower frequencies (MHz)
dwell = 1:00 ! Duration of peak scan.
minel = 10.00 ! Minimum elevation for pointing.

! These also apply to scans for which conversion to pointing is
! requested with POINT. The setup will be modified by Update
! for the appropriate file for each varient of peak.cmd in the
! base catalogs directory. The file choices that replace "pt7mm.set" are:

! pt7mm.set - for non-rdbe observing. "peak.cmd"
! ptd7mm.set - for observing with the RDBE_DDC "peak_RDBE_DDC.cmd"
! ptr7mm.set - for observing with the RDBE_PFB "peak_RDBE_PFB.cmd"
! For line pointing replace "pt7mm.set" with:
! pt7mm.set - for non-rdbe observing. "peak.cmd"
! ptdl7mm.set - for the RDBE_DDC "peak_RDBE_DDC.cmd"
! ptr7mm.set - for the RDBE_PFB "peak_RDBE_PFB.cmd"
! These are the same as the continuum for the old systems and for the
! RDBE.

setup = $SCHED/setups/pt7mm.set
setupl = $SCHED/setups/pt7mm.set
linename = 'PSiO431'



! SOURCES CHOICES

! The VLBA pointing for 3mm projects will be done at 7mm. Essentially all
! useful sources are variable, so the best sources can vary with time.
! Keeping only the best sources should be fairly reliable. The other
! sources here are shown in case it is important to find something
! closer to the target. The scheduler will have to add the desired
! source(s) to the uncommented list and will have to make the decision
! on whether the source is expected to be usable.

!! STRONG sources, pretty much guaranteed. Sources starting with P-
!! are SiO masers. The others are continuum sources.
!! Vivek Dhawan, 2001 feb12.

sources = 'P-OCeti','P-IkTau','P-TxCam','P-Orinew2','P-RLeo','P-UHer',
'P-VYCma','P-VXSgr', 'SiO-WHya','SiO-RCas',
'3C279','1334-127','3C273','3C345','0607-157',
'3C84'

! 3C446 and NRAO530 used to be in this list, but appear to be too weak
! as of May 2013 according to the BU Blazar project.
! 3C345's peak is low in the Blazar project, but it's total might be higher.
! 1334-127, 0607-157 are not in the BU project or VLBA regular pointing
! so their status is unknown
! This source list need to be revisited.

!! moderately strong sources, but variable so they may not always work..
!! Vivek 2001 Feb12.

! 'P-GXMon','P-RCnc', 'P-RLMi','P-AHSco','P-GYAql','P-ChiCyg','P-NMLCyg',
! 'P-RPeg','P-RAqr'

!! moderately strong continuum sources at 7mm: mostly From BIMA phase-cal list,
!! above about 4Jy at 3mm, expected to be above about 8Jy total at 7mm. These
!! might be good for pointing. They need to be tested.

! '2145+067','2255-282','NRAO150','3C454.3','1921-293','0420-014','4C39.25',
! 'DR21'


! STATION GROUPS:

! There can be up to 5 groups of stations that can have separate
! pointing scans handled automatically (you can do anything you
! want using full scan specifications). When pointing is requested,
! all stations in a group use the same source. A different source
! can be picked for other groups, which are typically at other
! longitudes.

! GROUP 1: Eastern VLBA antennas at 3mm. Station names
! or codes can be specified. These apply to inserted scans
! for group 1 or for any scans for which POINT=1 or POINT=0
! was specified.

stations = vlba_sc, vlba_hn, vlba_nl, vlba_fd, vlba_la,
vlba_pt, vlba_kp
/

! GROUP 2: Western VLBA stations.
! Use most of the same parameters as GROUP 1.

stations = vlba_ov, vlba_br, vlba_mk

/