GBT Pointing summaries for VLBI projects

VLBI General Info Operator's checklist Aspen Vlbeer VLBA Schedules
Past Projects Present and Future Projects Resource Calendar Gain Curves GBT VLBA Status

Explanation


Experiment Date VLBI proj name GBT project dir
and link
2007-10-04 bb240a ABB240_01
2007-10-08 bb240b ABB240_02
2007-10-28 bb240c ABB240_03
2007-10-30 bb240d ABB240_04
2007-11-08 bb240e ABB240_05
2007-11-19 bb240f ABB240_08
2007-11-24 bb240g ABB240_09
2007-12-01 bb240h ABB240_10
2007-12-08 bb240i ABB240_11
2007-12-15 bb240j Not Observed.
2007-12-21 bb240k ABB240_12
2007-12-29 bb240l ABB240_13
2008-01-07 bb240m ABB240_14
2008-01-16 bb240n ABB240_15
2008-01-25 bb240o ABB240_16
2008-01-31 bb240p ABB240_17
2008-02-07 bb240q ABB240_18
2008-02-14 bb240r ABB240_19
2008-02-19 bb240s ABB240_20
2008-02-28 bb240t ABB240_21
2008-03-02 bb240u ABB240_22
2008-03-23 bm270 ABM270_01
2008-03-26 bb240x ABB240_23
2008-03-30 bb251 ABB251_01
2008-04-06 bm267a ABM267_01
2008-04-07 bb240y ABB240_24
2008-04-10 bb240z ABB240_25
2008-04-14 bb242e ABB242_06
2008-04-13 bb242f ABB242_05
2008-04-15 bb240aa ABB240_26
2008-04-16 bb242g ABB242_07
2008-04-19 bb242i ABB242_08
2008-04-20 bl156b ABL156_01
2008-04-21 bb242h ABB242_09
2008-04-23 bb240ab ABB240_27
2008-04-28 bb240ac ABB240_28
2008-04-29 bb240ad ABB240_29
2008-05-03 bb255b ABB255_01
2008-05-16 bb240ae ABB240_30
2008-05-15 bd120t ABD120_01
2008-05-17 bd120a ABD120_02
2008-05-17 bd120b ABD120_03
2008-05-17 bd120c ABD120_04
2008-05-18 bd120d ABD120_05
2008-05-18 bd120e ABD120_06
2008-05-18 bd120f ABD120_07
2008-05-23 bb242j ABB242_10
2008-05-24 bb240af ABB240_32
2008-05-30 bb240ag ABB240_33
2008-06-01 gm064 AGM064_01
2008-06-14 gb064a AGB064_01
2008-06-15 gb064b AGB064_02
2008-06-16 gs029 AGS029_01
2008-06-19 bm267b ABM267_02
2008-06-19 br125c ABR125_03
2008-06-20 br125d ABR125_04
2008-06-20 bb240ah ABB240_34
2008-06-22 bb250 ABB250_01
2008-06-28 bb240ai ABB240_35
2008-07-03 bb240aj ABB240_36
2008-07-04 bm267c ABM267_03
2008-07-08 bb240ak ABB240_37
2008-07-12 bm267d ABM267_04
2008-07-15 bb240xl ABB240_38
2008-07-19 bb240am ABB240_39
2008-07-19 bb253 ABB253_01
2008-07-21 bi035a ABI035_01
2008-07-24 bb240an ABB240_40
2008-07-27 bm267e ABM267_05
2008-08-01 bb240ao ABB240_41
2008-08-03 bo031 ABO031_01
2008-08-03 bh157 ABH157_01
2008-08-08 bb240ap ABB240_42
2008-08-11 bb240aq ABB240_43
2008-08-16 bb240ar ABB240_44
2008-08-17 bm267f ABM267_06
2008-08-18 bb240as ABB240_46
2008-08-23 bb240at ABB240_47
2008-08-29 bi035b ABI035_02
2008-08-31 bb240au ABB240_48
2008-09-03 bb240av ABB240_49
2008-09-08 bb240aw ABB240_50
2008-09-11 bb240ax ABB240_51
2008-09-17 bb240ay ABB240_52
2008-10-03 bb240az ABB240_53
2008-10-04 bb240ba ABB240_54
2008-10-16 gb060b AGB060_02
2008-10-27 bb240bb ABB240_55
2008-11-03 bb240bc ABB240_56
2008-11-05 bb240bd ABB240_57
2008-11-09 bb240be ABB240_58
2008-11-17 bb240bf ABB240_59
2008-11-17 bm290 ABM290_01
2008-11-20 bb240bg ABB240_60
2008-11-21 bb242k ABB242_11
2008-11-21 bb240bh ABB240_61
2008-11-22 bb240bi ABB240_62
2008-12-01 bb240bj ABB240_63
2008-12-03 bb240bk ABB240_64
2008-12-06 bb240bl ABB240_65
2008-12-11 bb240bm ABB240_66
2008-12-12 bb242l ABB242_12
2008-12-13 bb240bn ABB240_67
2008-12-20 bb240bo ABB240_68
2008-12-29 bb240bp ABB240_69
2009-01-03 bb240bq ABB240_70
2009-01-09 bb240br ABB240_71
2009-01-11 bb242m ABB242_13
2009-01-12 TSCAL_090112 TSCAL_090112
2009-01-19 bb240bs ABB240_72
2009-01-31 bb240bt ABB240_73
2009-02-14 bb242q ABB242_14
2009-02-17 bb261b ABB261_01
2009-02-24 bb240bu ABB240_74
2009-03-12 bb240bv ABB240_75
2009-03-19 gb065a AGB065_01
2009-03-20 bb261c ABB261_02
2009-03-23 bb261d ABB261_03
2009-03-29 bb261e ABB261_04
2009-04-06 bb261f ABB261_05
2009-04-07 bb240bw ABB240_76
2009-04-08 bb255c ABB255_01(09)
2009-04-11 bb261g ABB261_06
2009-04-17 bb242r ABB242_15
2009-04-18 bb261h ABB261_07
2009-04-19 bb242s ABB242_16
2009-04-23 bb240bx ABB240_77
2009-04-26 bm290c ABM290_03
2009-04-25 BB242t ABB242_17
2009-05-17 bb233b ABB233_01
2009-05-18 bb240by ABB240_78
2009-05-26 bb240bz ABB240_79
2009-05-31 bm296 ABM296_01
2009-06-06 bb240ca ABB240_80
2009-06-14 bb240cb ABB240_81
2009-06-20 bb240cc ABB240_82
2009-06-27 bb240cd ABB240_83
2009-07-03 bm290d ABM290_04
2009-07-07 bb240ce ABB240_84
2009-07-19 bb268a ABB268_01
2009-07-23 bb240cg ABB240_85
2009-07-26 bb240ch ABB240_86
2009-08-02 bb268b ABB268_02
2009-08-08 bb240ci ABB240_87
2009-08-13 bb240cj ABB240_88
2009-08-21 bp157b ABP157_02
2009-08-21 bb240ck ABB240_89
2009-08-29 bb240cl ABB240_90
2009-09-04 bb240cm ABB240_91
2009-09-07 bb240cn ABB240_92
2009-09-15 bp157c ABP157_03
2009-09-18 bb240co ABB240_93
2009-09-26 bb240cp ABB240_94
2009-09-27 bm306 ABM306_01
2009-10-05 bb240cv ABB240_95
2009-10-05 bb240cq ABB240_96
2009-10-07 bm311 ABM311_01
2009-10-14 bp157d ABP157_04
2009-10-17 bp157e ABP157_05
2009-10-26 bb240cr ABB240_97
2009-11-02 bb240cs ABB240_98
2009-11-05 bb240ct ABB240_99
2009-11-10 gv020a AGV020_01
2009-11-11 gb065b AGB065_02
2009-11-15 bb261j ABB261_08
2009-11-17 bb240cu ABB240_100
2009-11-21 bm290e ABM290_05
2009-11-22 bb240cw ABB240_101
2009-11-25 bb261k ABB261_09
2009-11-29 bb261L ABB261_10
2009-12-04 bb240cx ABB240_102
2009-12-06 bb261m ABB261_11
2009-12-12 bb240cy ABB240_103
2009-12-19 bb240cz Snowed Out.
2009-12-23 bb261n ABB261_12
2009-12-27 bb240da ABB240_104
2010-01-09 bb240db ABB240_105
2010-01-14 bb261p ABB261_13
2010-01-15 bb261q ABB261_14
2010-01-16 bb240dc ABB240_106
2010-01-27 bb261r ABB261_15
2010-01-29 bb240dd ABB240_107
2010-02-01 bb240de ABB240_108
2010-02-10 bb240df Scrubbed due to snow.
2010-02-13 bb278b ABB278_01
2010-02-13 bb278a ABB278_02
2010-02-14 bb240dg ABB240_110
2010-03-02 bb240dh ABB240_111
2010-03-15 bb240di ABB240_112
2010-03-19 bb240dj ABB240_113
2010-03-27 bn041 ABN041_01
2010-03-27 bb240dk ABB240_114
2010-03-28 bb240dl ABB240_115
2010-03-28 bl169a ABL169_01
2010-03-30 bm326 ABM326_01
2010-04-01 bb240dm ABB240_116
2010-04-02 bm327 ABM327_01
2010-04-02 bb278i ABB278_03
2010-04-03 bl169b ABL169_02
2010-04-05 bb278j ABB278_04
2010-04-11 bb240dn ABB240_117
2010-04-11 bl169c ABL169_03
2010-04-12 bb261s ABB261_16
2010-04-20 bb240do ABB240_118
2010-04-26 bf100 ABF100_01
2010-04-28 bb240dp ABB240_119
2010-05-05 bb240dq ABB240_120
2010-05-16 bb240dr ABB240_121
2010-05-20 bb240ds ABB240_122
2010-05-28 bb240dt ABB240_123
2010-06-04 bb240du ABB240_124
2010-06-12 bb240dv ABB240_125
2010-06-19 bb240dw ABB240_126
2010-07-07 bb240dy ABB240_127
2010-07-09 bb240dx ABB240_128
2010-07-16 bb240dz ABB240_129
2010-07-21 bb240ea ABB240_130
2010-07-31 bb240eb ABB240_131
2010-08-06 bb240ec ABB240_132
2010-08-09 bb240ed ABB240_133
2010-08-14 bm321b ABM321_01
2010-08-20 bb240ee ABB240_134
2010-08-21 bm321c ABM321_02
2010-08-27 bb240ef ABB240_135
2010-09-04 bb240eg ABB240_136
2010-09-08 bb240eh ABB240_137
2010-09-13 bl176a ABL176_01
2010-09-19 bb240ei ABB240_138
2010-09-20 bl176b ABL176_02
2010-09-26 bl176c ABL176_03
2010-09-27 bb240ej ABB240_139
2010-10-01 bb240ek ABB240_140
2010-10-07 bb240el ABB240_141
2010-10-16 bb240em ABB240_142
2010-10-31 bb240en ABB240_143
2010-11-07 bb240eo ABB240_144
2010-11-19 bb240ep ABB240_145
2010-11-21 bb278k ABB278_05
2010-11-24 bb240eq ABB240_146
2010-11-28 bb278l ABB278_06
2010-12-03 bb240er ABB240_147
2010-12-05 s3111a AGLST031191_01
2010-12-06 bb240es ABB240_148
2010-12-17 bb240et ABB240_149
2010-12-22 bb240eu ABB240_150
2010-12-26 s3111b AGLST031191_02
2010-12-29 bb240ev ABB240_151
2010-12-30 bb278m ABB278_07
2011-01-03 bb240ew ABB240_152
2011-01-08 s3111c AGLST031191_03
2011-01-10 bb240ex ABB240_153
2011-01-19 bb240ey ABB240_154
2011-01-29 bb240ez ABB240_155
2011-02-01 bb240fa ABB240_156
2011-02-08 bb240fb ABB240_157
2011-02-12 bb261v ABB261_17
2011-02-13 bm321d ABM321_03
2011-02-15 bb240fc cancelled: receiver warmed up.
2011-02-23 bb240fd ABB240_158
2011-02-27 gv020e AGV020_05
2011-03-04 bb240fe ABB240_159
2011-03-09 bb240ff ABB240_160
2011-03-19 bl176d ABL176_04
2011-03-22 bb240fg ABB240_161
2011-03-25 bl176e ABL176_05
2011-03-27 bb240fh ABB240_162
2011-04-02 bl175a0 ABL175_01
2011-04-10 bb240fi ABB240_163
2011-04-16 bb240fj ABB240_164 - cancelled: Mark5A failure.
2011-04-18 bb240fk cancelled: Mark5A failure.
2011-04-21 bb296 ABB296_01
2011-04-30 bb240fl ABB240_165
2011-05-14 bb240fm ABB240_166
2011-05-15 bb297a ABB297_01
2011-05-17 bb297b ABB297_02
2011-05-20 bb240fn ABB240_167
2011-05-30 bb240fo Cancelled
2011-06-11 bb297c ABB297_03
2011-06-17 bb240fp ABB240_169
2011-06-18 bb240fq ABB240_170
2011-06-24 bb240fr ABB240_171
2011-07-01 bb240fs ABB240_172
2011-07-03 bb240ft ABB240_173
2011-07-04 bl175a1 ABL175_02
2011-07-10 bb240fu ABB240_174
2011-07-22 bb240fv ABB240_175
2011-07-31 bb240fw ABB240_176
2011-08-05 bb240fx ABB240_177
2011-08-13 bb240fy ABB240_178
2011-08-21 bb306 ABB306_01
2011-08-26 bb240fz ABB240_179
2011-09-04 bb240ga ABB240_180
2011-09-11 bb240gb ABB240_181
2011-09-13 bb240gc ABB240_182
2011-09-15 bl176f ABL176_06
2011-09-18 bb240gd ABB240_183
2011-09-19 bl176g ABL176_07
2011-09-25 bb240ge ABB240_184
2011-09-26 bl176h ABL176_08
2011-10-02 bb240gf ABB240_185
2011-10-16 bl175a2 ABL175_02
2011-10-25 gb072 AGB072_01
2011-10-28 bb240gg cancelled - subreflector failure
2011-10-31 bb240gh ABB240_186
2011-11-01 bb278t ABB278_15
2011-11-03 bb240gi ABB240_188
2011-11-06 bl176i ABL176_09
2011-11-08 bl176j ABL176_10
2011-11-13 bb240gj ABB240_189
2011-11-18 bb294a ABB294_01
2011-11-26 bb306b ABB306_02
2011-12-04 bb240gk ABB240_190
2011-12-09 bb240gl ABB240_191
2011-12-11 bb278u ABB278_16
2011-12-17 bb294c ABB294_02
2011-12-17 bb240gm ABB240_192
2011-12-23 bm352a0 ABM352_01
2011-12-28 bb278v1 ABB278_17
2011-12-29 bb278w ABB278_18
2011-12-30 bm352b0 ABM352_02
2012-01-06 bm352c0 ABM352_03
2012-01-11 bb278x ABB278_19
2012-01-13 bm352d0 ABM352_04
2012-01-14 bb294d ABB294_03
2012-01-19 bl175a5 ABL175_03
2012-01-21 bm352e0 ABM352_05
2012-01-29 bb294e ABB294_04
2012-01-29 bb278y ABB278_20
2012-02-02 bb313a ABB313_01
2012-02-03 bm352a1 ABM352_06
2012-02-04 bb303aa ABB303_01
2012-02-05 bb313b ABB313_02
2012-02-10 bm352b1 ABM352_07
2012-02-12 bb313c cancelled: Mark5A failure.
2012-02-17 bm352c1 ABM352_08
2012-02-24 bm352d1 ABM352_09
2012-02-26 bb313c ABB313_03
2012-03-02 bm352e1 ABM352_10
2012-03-11 rafs17 TRADAST_05
2012-03-16 bm352a2 ABM352_11
2012-03-23 bm352b2 ABM352_12
2012-03-31 bm352c2 ABM352_13
2012-04-01 bl176k ABL176_11
2012-04-07 bm352d2 ABM352_14
2012-04-14 bb313j ABB313_04
2012-04-14 bm352e2 ABM352_15
2012-04-16 bl175a6 ABL175_04
2012-04-27 bb313o ABB313_05
2012-04-28 bm352a3 ABM352_16
2012-05-05 bm352b3 ABM352_17
2012-05-09 bb313w ABB313_06
2012-05-12 re03ad TRADAST_08
2012-05-12 bm352c3 ABM352_18
2012-05-19 bm352d3 ABM352_19
2012-05-25 bm352e3 ABM352_20
2012-06-10 bm352a4 ABM352_21
2012-06-16 bm352b4 ABM352_22
2012-06-23 bm352c4 ABM352_23
2012-06-30 bm352d4 Cancelled due to power outage
2012-07-07 bm352e4 ABM352_24
2012-07-08 bl175a7 ABL175_05
2012-07-14 bs219a AVLB12B_337_01
2012-07-21 bm352a5 ABM352_25
2012-07-28 bm352b5 ABM352_26
2012-07-29 bs219b AVLB12B_337_02
2012-08-04 bm352c5 ABM352_27
2012-08-11 bm352d5 ABM352_28
2012-08-18 bm352e5 ABM352_29
2012-08-25 bb310a ABB310_01
2012-08-26 bb318a ABB318_01
2012-09-01 bm352a6 ABM352_30
2012-09-08 bm352b6 ABM352_31
2012-09-11 bb303ab ABB303_02
2012-09-12 bb303ac ABB303_03
2012-09-15 bm352c6 ABM352_32
2012-09-20 bl176l ABL176_12
2012-09-23 bm352d6 ABM352_33
2012-09-25 bl176m ABL176_13
2012-09-29 bm352e6 ABM352_34
2012-10-01 bl176n ABL176_14
2012-10-01 bb303ad ABB303_04
2012-10-05 bb313x ABB313_07
2012-10-08 bb303ae ABB303_05
2012-10-08 re03ed AGBT12B_262_41
2012-10-13 bm352a7 ABM352_35
2012-10-15 bl175a8 ABL175_06
2012-10-17 bb313z ABB313_08
2012-10-21 bm352b7 ABM352_36
2012-10-25 bb313aa ABB313_09
2012-10-26 re03ex AGBT12B_262_47
2012-10-27 bm352c7 ABM352_37
2012-11-02 bm352d7 ABM352_38
2012-11-07 bb313ab ABB313_10
2012-11-09 bb313ac ABB313_11
2012-11-10 bm352e7 ABM352_39
2012-11-11 bb318b ABB318_02
2012-11-15 bb313ad ABB313_12
2012-11-18 bb313af ABB313_13
2012-11-21 re03gd AGBT12B_262_56
2012-11-20 re03gb AGBT12B_262_55
2012-11-23 bm352a8 ABM352_40
2012-11-24 bb313ae ABB313_14
2012-11-30 re03gu AGBT12B_262_67
2012-11-30 bm352b8 ABM352_41
2012-12-02 bb313ag ABB313_15
2012-12-07 bm352c8 ABM352_42
2012-12-13 bm352d8 ABM352_43
2012-12-15 ty024 TVLB_ty024
2012-12-17 bb313ai ABB313_16
2012-12-20 bb313aj ABB313_17
2012-12-22 bm352e8 ABM352_44
2013-01-02 bb313al ABB313_18
2013-01-04 bm352f0 ABM352_45
2013-01-11 bb352b9 ABM352_46
2013-01-12 bh187a ABH187_01
2013-01-13 bb303af ABB303_06
2013-01-14 bb303ag ABB303_07
2013-01-17 td047 TVLB_TD047
2013-01-17 bm352c9 ABM352_47
2013-01-18 bh187b ABH187_02
2013-01-25 bm352d9 ABM352_48
2013-01-28 bb310b ABB310_02
2013-01-29 bb303da ABB303_08
2013-02-01 bm352e9 ABM352_49
2013-02-02 re11a AGBT12B_262_98
2013-02-02 bb303ah ABB303_09
2013-02-03 bb303ai ABB303_10
2013-02-04 ba105a AVLB13A_183_01
2013-02-05 bh181a ABH181_01
2013-02-07 ba105b AVLB13A_183_02
2013-02-09 bb321a AVLB13A_235_01
2013-02-12 bb321e AVLB13A_235_02
2013-02-14 bb321a1 AVLB13A_235_03
2013-02-15 bm352f1 ABM352_50
2013-02-16 bb321c AVLB13A_235_04
2013-02-16 ba105c AVLB13A_183_03
2013-02-17 bb321e1 AVLB13A_235_05
2013-02-17 ba105d AVLB13A_183_04
2013-02-18 bb321d AVLB13A_235_06
2013-02-21 bb321f AVLB13A_235_07
2013-02-22 bm352ba ABM352_51
2013-02-23 bh187c ABH187_03
2013-02-24 ba105e AVLB13A_183_05
2013-02-24 bb321g AVLB13A_235_08
2013-02-24 bh187d ABH187_04
2013-02-24 bb321h AVLB13A_235_09
2013-02-25 ba105f AVLB13A_183_06
2013-02-28 re03nb AGBT13A_252_05
2013-03-01 bm352ca ABM352_52
2013-03-08 bm352da ABM352_53
2013-03-10 re03nw AGBT13A_252_10
2013-03-13 bb321l AVLB13A_235_10
2013-03-14 bb321n AVLB13A_235_11
2013-03-15 bm352ea ABM352_54
2013-03-27 bb315d AGBT13A_506_02
2013-03-29 bm352f2 ABM352_55
2013-04-06 bm352bb ABM352_56
2013-04-12 bb321p AVLB13A_235_12
2013-04-13 bb321s AVLB13A_235_13
2013-04-13 bm352cb ABM352_57
2013-04-14 bb321q AVLB13A_235_14
2013-04-15 bb321q1 AVLB13A_235_15
2013-04-20 bm352db ABM352_58
2013-04-21 re03rl/re03rm AGBT13A_252_22
2013-04-26 bd162a ABD162_01
2013-04-27 bm352f3 ABM352_59
2013-06-07 bm352dc ABM352_60
2013-06-14 bm352ec ABM352_61
2013-06-21 bm352f4 ABM352_62
2013-06-28 bm352bd ABM352_63
2013-07-06 bm352a9 ABM352_64
2013-07-13 bm352dd ABM352_65
2013-07-20 bm352g0 ABM352_66
2013-08-03 bm352f5 ABM352_67
2013-08-10 bm352be ABM352_68
2013-08-17 bm352aa ABM352_69


Explanation

The peak/focus sequence consists of 5 scans, crossing the source in the +azimuth (AzF) and -azimuth (AzB) directions, then in the +elevation (ElF) and -elevation (ElB) directions. The final (Focus) scan remains pointed at the source while the subreflector is moved through its range of motion. After the azimuth scans, an azimuth correction is derived and added to the telescope LPC ("local pointing correction"); after the elevations scans the LPC is updated with the elevation correction. After the focus scan, the LFC ("local focus correction") is updated. These LPCs are added to the current pointing/focus model and persist until the next peak/focus observation.

The pointing report referenced in this page lists 2 lines for each scan, for LCP and RCP channels. The Az and El corrections are given in arcseconds, and the focus corrections in millimeters.

The table also lists :

  • the peak of the fitted gaussian -- this is the approximate antenna temp in Kelvin.
  • the HPBW of the fitted gaussian in arcseconds (in mm for focus scans).
  • the pointing or focus offset, and estimated error.
  • the system temperature in Kelvin

    Normally we do a peak/focus at the beginning of every run, before starting the user's schedule. Hence the first peak/focus scans will not correspond to what is in the schedule file.

    At the bottom of the page there is a summary giving the average azimuth, elevation, and focus correction for each complete peak/focus sequence.

    Note: the Tant and Tsys depend on our assumed values for the noise calibration. I believe our values for LCP at 8.4 GHz are bogus prior to April 12, 2010. So for runs after that, the Tsys values should be correct on X-band.


    Another note: to generate the pointing summary and update this table:

  • login as gbvlbi
  • cd public_html/vlbsetup/
  • pointingreport GBTprojectcode VLBAprojectcode
  • for example: pointingreport ABB240_51 bb240ax