B1s Trial 12D Flags

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Line 47: Line 47:
 
  select='ant(19),time(21:41:26,21:44:30)'  
 
  select='ant(19),time(21:41:26,21:44:30)'  
 
  select='ant(19),time(22:59:54,23:02:58)'
 
  select='ant(19),time(22:59:54,23:02:58)'
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 +
'''Shaye'''
 +
Mostly agree with Woojin
 +
C2,4,5 didn't have great gain phase solutions when the weather got bad, but the continuum map has worse rms if I flag those.

Revision as of 11:38, 30 May 2012

Notes

obs

2012-05-21                 c0924I.1D_88B1S.12   9.3   C
                               Comments:
                                NODE_NOT_FOUND
                                [2012-05-21 17:47]dr : C7 out. C16 has tertiary issues after
                               first half. First three hours of data should be useful, but
                               all before transit. -> repeat (high phase rms).

Shaye

  • Top box should be good from first 2+ hours
  • Expect rest to be bad due to rms > 600 throughout ... often > 800 ... no, could be used .. Woojin is correct.
  • Tau was not that stable either, so SD might not be useful .... but should check.
  • Getting larger beam than in previous tracks.

Woojin

  • C1 and C18 have largely scattered gains.
  • No coherence on C16 since ~18 UT (ref: obs summary)
  • Gain calibrator fluxes are set, considering elevation and previous values: 3C84 (18.0 Jy), 3C111 (4.3 Jy)
  • This data set looks useful. Three continuum compact sources have been detected: rms ~ 6 mJy/beam.

Flags

Woojin

csflag
select='ant(1,18)'     # largely scattered gains
select='ant(16),time(18:18,00:30)'       # no coherence
select='ant(2),time(18:38:56,18:42:00)'  # high gains (below)
select='ant(2),time(21:41:26,21:44:30)' 
select='ant(2),time(22:59:54,23:02:58)' 
select='ant(3),time(18:13:29,18:16:33)' 
select='ant(3),time(19:13:30,19:16:34)' 
select='ant(3),time(22:03:52,22:06:56)' 
select='ant(3),time(22:24:46,22:27:50)' 
select='ant(3),time(22:59:54,23:02:58)' 
select='ant(3),time(23:25:26,23:28:30)' 
select='ant(4),time(21:41:26,21:44:30)' 
select='ant(4),time(22:59:54,23:02:58)' 
select='ant(5),time(18:13:29,18:16:33)' 
select='ant(5),time(18:16:21,18:19:25)' 
select='ant(5),time(21:41:26,21:44:30)' 
select='ant(5),time(22:59:54,23:02:58)' 
select='ant(15),time(18:13:29,18:16:33)' 
select='ant(15),time(21:41:26,21:44:30)' 
select='ant(15),time(22:59:54,23:02:58)' 
select='ant(19),time(21:41:26,21:44:30)' 
select='ant(19),time(22:59:54,23:02:58)'

Shaye

Mostly agree with Woojin
C2,4,5 didn't have great gain phase solutions when the weather got bad, but the continuum map has worse rms if I flag those.
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