Size: 3528
Comment:
|
Size: 5384
Comment:
|
Deletions are marked like this. | Additions are marked like this. |
Line 1: | Line 1: |
= Bolometer's Observation: = | [[TableOfContents(3)]] = Bolometer's Observation = |
Line 5: | Line 7: |
== Setup the Bolometer: == Pako> '''@wbolo''' !'' Mambo2, central pixel 53, short onoff (@onf4)'' |
== Setup the Bolometer == Pako> '''@wbolo''' !'' Mambo2, central pixel 53, short onoff (onf4), setup the bolometer commands'' |
Line 8: | Line 10: |
== Sources Catalog: == |
== Sources Catalog == |
Line 13: | Line 14: |
<!> Pointing sources: '''J1419+240''' not 1419+240. | <!> Pointing sources: '''J1419+240''' not 1419+240. [[BR]] |
Line 17: | Line 18: |
== Focus, pointing, Skydip: == Pako> '''focus 1.1''' [[BR]] Pako> '''start''' ! ''Start the focus'' [[BR]] Pako> '''set focus sfcz''' !''Correct the focus with sfcz. Correction from MOPSIC (@f or @fsn for weak sources)'' [[BR]] (!) Do a focus when atmospheric conditions are changing, typically after sunset/sunrise Pako> '''p40''' !''Short pointing for weak sources+start'' [[BR]] Pako> '''p60''' !''Long pointing for strong sources+start'' [[BR]] Pako> '''set pointing azcor elcor''' !''Correct the pointing with azcor and elcor. Correction from MOPSIC (@p or @psn for weak source)'' (!) Before each Onoff or map if they are longer than 30 mn. |
== Skydip, pointing, skydip == |
Line 35: | Line 25: |
<!> Before an Onoff, be sure you are pointing with the right pixel (20). | Pako> '''p40''' !''Short pointing for weak sources+start'' [[BR]] Pako> '''p60''' !''Long pointing for strong sources+start'' [[BR]] Pako> '''set pointing azcor elcor''' !''Correct the pointing with azcor and elcor. Correction from MOPSIC (@p or @psn for weak source)'' Pako> '''bf''' [[BR]] Pako> '''start''' ! ''Start the focus'' [[BR]] Pako> '''set focus sfcz''' !''Correct the focus with sfcz. Correction from MOPSIC (@f or @fsn for weak sources)'' [[BR]] (!) Do a focus when atmospheric conditions are changing, typically after sunset/sunrise |
Line 39: | Line 37: |
== Calibration: == | <!> Before an Onoff, be sure you are pointing with the right pixel (20). <!> Do a pointing before each Onoff or map if they are longer than 30 mn. == Calibration == |
Line 42: | Line 44: |
Pako> '''@wbolo''' [[BR]] Pako> '''catalog ihet Calibrator_Name ''' [[BR]] |
Pako> '''catalog source ihet''' [[BR]] Pako> '''source Calibrator_Name ''' [[BR]] |
Line 46: | Line 48: |
Pako> '''@onf4''' ! Shor Onoff integration (4 Subscans of 10 s) | Pako> '''onf4''' ! Short Onoff integration (4 Subscans of 10 s) with central pixel 53 |
Line 53: | Line 55: |
== Onoff and Map: == | == Onoff and Map == |
Line 55: | Line 57: |
Pako>'''@onf 20 30''' !''Perform an on-off integration of '''20''' subscans of 60s with a wobbler throw of '''30"''' '' [[BR]] | Pako>'''onf 20 30''' !''Perform an on-off integration of '''20''' subscans of 60s with a wobbler throw of '''30"''' '' [[BR]] |
Line 60: | Line 62: |
Pako> '''swwobbler -throw/2. throw/2.''' !''Setup the wobbler throw [shortcut to be added]'' [[BR]] | |
Line 68: | Line 70: |
'''@roff20''' : set the pixel 20 for on-off (most sensitive one). [[BR]] '''@roff53''' : set the central pixel 53 (default with @wbolo) |
'''roff20''' : set the pixel 20 for on-off (most sensitive one). [[BR]] '''roff53''' : set the central pixel 53 (default with @wbolo) |
Line 72: | Line 74: |
== Typical Bolo Session == |
|
Line 77: | Line 82: |
Pako> gain 2 ! special case for Mars, normal gain is 10 Pako> @p60 Pako> bt !skydip Pako> @p60 |
Pako> gain 2 ! special case for Mars, normal gain is 10 Pako> p60 Pako> bt !skydip Pako> p60 |
Line 85: | Line 90: |
Pako> @onf4 ! Measure the flux of Mars | Pako> onf4 ! Measure the flux of Mars |
Line 91: | Line 96: |
Pako> source J0854+201 ! Pointing source Pako> @roff20 |
Pako> source J0854+201 ! Pointing source Pako> roff20 |
Line 95: | Line 100: |
Pako> @onf4 ! Why not ? | Pako> onf4 ! Why not ? |
Line 97: | Line 102: |
Pako> source 0927+2001 !Project source Pako> @onf 20 35 ! Do an on-off integration of 20 subscans of 60s with a wobbler throw of 35¨ Pako> Ad Nauseam ... |
Pako> source 0927+2001 !Project source Pako> onf 20 35 ! Do an on-off integration of 20 subscans of 60s ! with a wobbler throw of 35¨. Pako> Ad Nauseam ... |
Line 104: | Line 110: |
= Heterodyne Observation = Heterodyne observations are more complex in the sense there is much more options available. Since the NCS/Pako are still under heavy development, we give here a typical session. Some commands are the same that with bolometer observations. If the macros written by the PIs are not working ask the Pool coordinator or the AoD. {{{ Pako> @setup-186_05-1850 ! Setup the frequencies/receivers. Tuning... Pako> source Mars Pako> pointing ! Check if continuum backends are set Pako> start Pako> set pointing -1. 2. ! The correction are given using the mira program Pako> focus 2.0 Pako> start Pako> set focus -2.2 ! The correction is given using the mira program Pako> cata source ihet Pako> source J2240+245 ! Pointing source Pako> pointing Pako> start Pako> set point -1. 0.5 Pako> catalog source pool Pako> source N821 Pako> @backends-186_05 ! maybe included in the following macro Pako> @target-wsw-186_05 Number of Loops= 5 ! according the indications of the PI. Pako> @setup-186_05-1850 ! Setup the continuum backend. Pako> source J2240+245 Pako> pointing Pako> start Pako> set point -1. 0.5 Pako> catalog source pool Pako> source N822 Pako> @backends-186_05 Pako> @target-wsw-186_05 Number of Loops= 5 Pako> Ad Nauseam ... }}} |
Bolometer's Observation
The most important commands of the old system have been adapted to the NCS. Here is a typical starting sequence for the bolometer.
Setup the Bolometer
Pako> @wbolo ! Mambo2, central pixel 53, short onoff (onf4), setup the bolometer commands
Sources Catalog
Pako> catalog source pool ! Setup the project source catalog BR Pako> catalog source ihet ! Setup the pointing/calibration source catalog
Pointing sources: J1419+240 not 1419+240. BR
Pako is case-sensitive for the source names.
Skydip, pointing, skydip
Pako> bt !Skydip at the current azimuth+start
Every 2 hours in stable atmospheric condition.
Pako> p40 !Short pointing for weak sources+start BR Pako> p60 !Long pointing for strong sources+start BR Pako> set pointing azcor elcor !Correct the pointing with azcor and elcor. Correction from MOPSIC (@p or @psn for weak source)
Pako> bf BR Pako> start ! Start the focus BR Pako> set focus sfcz !Correct the focus with sfcz. Correction from MOPSIC (@f or @fsn for weak sources) BR Do a focus when atmospheric conditions are changing, typically after sunset/sunrise
Before an Onoff, be sure you are pointing with the right pixel (20).
Do a pointing before each Onoff or map if they are longer than 30 mn.
Calibration
Calibration on a [primary|secondary] calibrator
Pako> catalog source ihet BR Pako> source Calibrator_Name BR Pako> p60 BR Pako> set pointing azcor elcor BR Pako> onf4 ! Short Onoff integration (4 Subscans of 10 s) with central pixel 53
You may do a short @onf4 after a normal pointing to monitor the pointing source flux.
Onoff and Map
Pako>onf 20 30 !Perform an on-off integration of 20 subscans of 60s with a wobbler throw of 30" BR Pako> @onf30 !Some project may have their own on-off macro
Don't try to make very long integration, you may loose the complete scan. In such a case use a loop.
Pako> swwobbler -throw/2. throw/2. !Setup the wobbler throw [shortcut to be added] BR Pako> bmap laz lel elstep azv !Setup an OTF map of laz azimuth length, lel elevation length, elstep elevation step and azv azimuth speed (arcsec/s). BR Pako> start !Start the map after you checked it is correct (it gives you the total integration time).
The speed should not be larger than ~8 arcsec/sec
NOTE: BR roff20 : set the pixel 20 for on-off (most sensitive one). BR roff53 : set the central pixel 53 (default with @wbolo) BR BR
Typical Bolo Session
A typical starting session could be as following:
Pako> @wbolo Pako> source Mars Pako> gain 2 ! special case for Mars, normal gain is 10 Pako> p60 Pako> bt !skydip Pako> p60 Pako> set pointing 2. -6. Pako> focus 1.1 Pako> start Pako> set focus -3.5 Pako> onf4 ! Measure the flux of Mars Pako> gain 10. Pako> @wbolo Pako> set project 175_05 Pako> catalog source ihet Pako> source J0854+201 ! Pointing source Pako> roff20 Pako> p40 Pako> set pointing 0.4 -6.4 Pako> onf4 ! Why not ? Pako> catalog source pool Pako> source 0927+2001 !Project source Pako> onf 20 35 ! Do an on-off integration of 20 subscans of 60s ! with a wobbler throw of 35¨. Pako> Ad Nauseam ...
The set project Proj_Id will be necessary until it is automatically included in the source catalog.
Heterodyne Observation
Heterodyne observations are more complex in the sense there is much more options available. Since the NCS/Pako are still under heavy development, we give here a typical session. Some commands are the same that with bolometer observations. If the macros written by the PIs are not working ask the Pool coordinator or the AoD.
Pako> @setup-186_05-1850 ! Setup the frequencies/receivers. Tuning... Pako> source Mars Pako> pointing ! Check if continuum backends are set Pako> start Pako> set pointing -1. 2. ! The correction are given using the mira program Pako> focus 2.0 Pako> start Pako> set focus -2.2 ! The correction is given using the mira program Pako> cata source ihet Pako> source J2240+245 ! Pointing source Pako> pointing Pako> start Pako> set point -1. 0.5 Pako> catalog source pool Pako> source N821 Pako> @backends-186_05 ! maybe included in the following macro Pako> @target-wsw-186_05 Number of Loops= 5 ! according the indications of the PI. Pako> @setup-186_05-1850 ! Setup the continuum backend. Pako> source J2240+245 Pako> pointing Pako> start Pako> set point -1. 0.5 Pako> catalog source pool Pako> source N822 Pako> @backends-186_05 Pako> @target-wsw-186_05 Number of Loops= 5 Pako> Ad Nauseam ...