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lbaops:lbaobservingnotes:vexcheck [2017/05/25 18:34]
cormac
lbaops:lbaobservingnotes:vexcheck [2019/09/26 17:53] (current)
cormac
Line 9: Line 9:
   *  First hour reserved for fringe finding   *  First hour reserved for fringe finding
     * Fringe finders listed     * Fringe finders listed
 +  *  Fringe finder observed every few hours
 +  *  Phase reference cycle not too long
   *  Sources not set at too many stations at any time (elevation)   *  Sources not set at too many stations at any time (elevation)
   *  Slew times not too long (very long or longer than scan)   *  Slew times not too long (very long or longer than scan)
Line 15: Line 17:
 For ATCA For ATCA
  
-  *  Scans not too short (ATCA loses 15 sec on scan change).+  * Scans not too short (ATCA loses 15 sec on scan change).
   * Scans aligned with 5sec boundary (for ATCA)   * Scans aligned with 5sec boundary (for ATCA)
   * Encourage 1934-638 for flux calibration   * Encourage 1934-638 for flux calibration
   * Check frequency of AUTOPHASE_DETERMINE scans   * Check frequency of AUTOPHASE_DETERMINE scans
 +  * AUTOPHASE_DETERMINE scans must have at least 1 min on 200 mJy source
 +  * Do not AUTOPHASE_DETERMINE during the fringe finder section
  
 One way to check some of this is (as vlbi on ATNF unix machines): One way to check some of this is (as vlbi on ATNF unix machines):
lbaops/lbaobservingnotes/vexcheck.1495701253.txt.gz · Last modified: 2017/05/25 18:34 by cormac