ASTRO TUTORIAL. Presentation by: J. Boissier, J. Pety, S. Bardeau. ASTRO is developed by: S. Bardeau, J. Boissier, F. Gueth, J.
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1 ASTRO TUTORIAL Presentation by: J. Boissier, J. Pety, S. Bardeau ASTRO is developed by: S. Bardeau, J. Boissier, F. Gueth, J. Pety Version July 2016 (GILDAS release JUL16)
2 ASTRO: generalities ASTRO is designed to prepare observations or proposals Deal with sources Convert source position Visualize source visibility Estimate uv-coverage Visualize Fruency coverage Receiver tuning and backend configuration Estimate sensitivity/time Model atmosphere Aim of this tutorial Show ASTRO usage in practice through few examples 2
3 ASTRO: generalities Deal with sources Convert source position Visualize source visibility Estimate uv-coverage Visualize Fruency coverage Receiver tuning and backend configuration Estimate sensitivity/time Model atmosphere 3
4 Dealing with sources Example 1: Look for calibrators OBSERVATORY BURE TIME CLEAR FRAME EQ! We look a the position in the Equatorial coordinates SOURCE M51 EQ 13:29: :11:42.93 LSR /DRAW CATALOG GAG_DATA:phase pdb.sou! NOEMA calibrator list (updated every month) PENCIL /COLOUR 3 SOURCE /FLUX 1 10 /DRAW! Show sources from catalog with Flux betweem 1 and 10 Jy PENCIL /COLOUR 1 SOURCE /FLUX 10 /DRAW PENCIL /COLOUR 2 SOURCE /FLUX /DRAW 4
5 Dealing with sources Example 1: Look for calibrators OBSERVATORY NOEMA TIME CLEAR FRAME EQ! We look a the position in the Equatorial coordinates SOURCE M51 EQ 13:29: :11:42.93 LSR /DRAW CATALOG GAG_DATA:phase pdb.sou! NOEMA calibrator list (updated every month) PENCIL /COLOUR 3 SOURCE /FLUX 1 10 /DRAW! Show sources from catalog with Flux betweem 1 and 10 Jy PENCIL /COLOUR 1 SOURCE /FLUX 10 /DRAW PENCIL /COLOUR 2 SOURCE /FLUX /DRAW 5
6 Dealing with sources Example 1: Look for calibrators OBSERVATORY NOEMA TIME CLEAR FRAME EQ! We look a the position in the Equatorial coordinates SOURCE M51 EQ 13:29: :11:42.93 LSR /DRAW CATALOG GAG_DATA:phase pdb.sou! NOEMA calibrator list (updated every month) PENCIL /COLOUR 3 SOURCE /FLUX 1 10 /DRAW! Show sources from catalog with Flux betweem 1 and 10 Jy PENCIL /COLOUR 1 SOURCE /FLUX 10 /DRAW PENCIL /COLOUR 2 SOURCE /FLUX /DRAW 6
7 Dealing with sources Example 1: Look for calibrators OBSERVATORY NOEMA TIME CLEAR FRAME EQ! We look a the position in the Equatorial coordinates SOURCE M51 EQ 13:29: :11:42.93 LSR /DRAW CATALOG GAG_DATA:phase pdb.sou! NOEMA calibrator list (updated every month) PENCIL /COLOUR 3 SOURCE /FLUX 1 10 /DRAW! Show sources from catalog with Flux betweem 1 and 10 Jy PENCIL /COLOUR 1 SOURCE /FLUX 10 /DRAW PENCIL /COLOUR 2 SOURCE /FLUX /DRAW 7
8 Dealing with sources Example 1: Look for calibrators PENCIL /COLOUR 0 FRAME EQ 13:29: :11: ! Zoom around the position (30deg radius) SOURCE M51 EQ 13:29: :11:42.93 LSR /DRAW PENCIL /COLOUR 2 SOURCE /FLUX /DRAW 8
9 Dealing with sources Example 1: Look for calibrators PENCIL /COLOUR 0 FRAME EQ 13:29: :11: ! Zoom around the position (30deg radius) SOURCE M51 EQ 13:29: :11:42.93 LSR /DRAW PENCIL /COLOUR 2 SOURCE /FLUX /DRAW 9
10 Dealing with sources Example 1: Look for calibrators PENCIL /COLOUR 0 FRAME EQ 13:29: :11: ! Zoom around the position (30deg radius) SOURCE M51 EQ 13:29: :11:42.93 LSR /DRAW PENCIL /COLOUR 2 SOURCE /FLUX /DRAW 10
11 Dealing with sources Example 2: Current positions PEN /COL 0 FRAME HO TIME SOURCE /FLUX 1 /DRAW 11
12 Dealing with sources Example 2: Current positions PEN /COL 0 FRAME HO TIME SOURCE /FLUX 1 /DRAW 12
13 Dealing with sources Example 2: Current positions PEN /COL 0 FRAME HO TIME SOURCE /FLUX 1 /DRAW 13
14 Dealing with sources Example 3: source visibility TIME 0 15 AUG 2016 TYPE issum.sou Source1 Source2 Source3 Source4 Source5 04:00:00 05:00:00 lsr 0 FL :00:00 10:00:00 lsr 0 FL :00:00 25:00:00 lsr 0 FL :00:00 40:00:00 lsr 0 FL :00:00 55:00:00 lsr 0 FL CATALOG issum.sou HORIZON /SOURCE /PLANET Source1 Source2 Source3 Source4 Source5 Sun Sun Sun Sun Sun distance distance distance distance distance Avoidance 25 APR 2017 to 09 JUN 2017 Avoidance 19 JUN 2016 to 24 AUG 2016 Avoidance 18 AUG 2016 to 06 OCT 2016 No Avoidance No Avoidance 14
15 Dealing with sources Example 3: source visibility TIME 0 15 AUG 2016 TYPE issum.sou Source1 Source2 Source3 Source4 Source5 04:00:00 05:00:00 lsr 0 FL :00:00 10:00:00 lsr 0 FL :00:00 25:00:00 lsr 0 FL :00:00 40:00:00 lsr 0 FL :00:00 55:00:00 lsr 0 FL CATALOG issum.sou HORIZON /SOURCE /PLANET Source1 Source2 Source3 Source4 Source5 Sun Sun Sun Sun Sun distance distance distance distance distance Avoidance 25 APR 2017 to 09 JUN 2017 Avoidance 19 JUN 2016 to 24 AUG 2016 Avoidance 18 AUG 2016 to 06 OCT 2016 No Avoidance No Avoidance 15
16 Dealing with sources Example 3: source visibility TIME 0 15 AUG 2016 TYPE issum.sou Source1 Source2 Source3 Source4 Source5 04:00:00 05:00:00 lsr 0 FL :00:00 10:00:00 lsr 0 FL :00:00 25:00:00 lsr 0 FL :00:00 40:00:00 lsr 0 FL :00:00 55:00:00 lsr 0 FL CATALOG issum.sou HORIZON /SOURCE /PLANET HORIZON /SOURCE Source2 Source4 16
17 Dealing with sources Example 3: source visibility TIME 0 15 AUG 2016 TYPE issum.sou Source1 Source2 Source3 Source4 Source5 04:00:00 05:00:00 lsr 0 FL :00:00 10:00:00 lsr 0 FL :00:00 25:00:00 lsr 0 FL :00:00 40:00:00 lsr 0 FL :00:00 55:00:00 lsr 0 FL CATALOG issum.sou HORIZON /SOURCE /PLANET HORIZON /SOURCE Source2 Source4 17
18 Dealing with sources Example 3: source visibility TIME 0 15 AUG 2016 TYPE issum.sou Source1 Source2 Source3 Source4 Source5 CATALOG HORIZON HORIZON HORIZON 04:00:00 05:00:00 lsr 0 FL :00:00 10:00:00 lsr 0 FL :00:00 25:00:00 lsr 0 FL :00:00 40:00:00 lsr 0 FL :00:00 55:00:00 lsr 0 FL issum.sou /SOURCE /PLANET /SOURCE Source2 Source4 /SOURCE /FLUX 0.6 /NIGHT 18
19 Dealing with sources Example 3: source visibility TIME 0 15 AUG 2016 TYPE issum.sou Source1 Source2 Source3 Source4 Source5 CATALOG HORIZON HORIZON HORIZON 04:00:00 05:00:00 lsr 0 FL :00:00 10:00:00 lsr 0 FL :00:00 25:00:00 lsr 0 FL :00:00 40:00:00 lsr 0 FL :00:00 55:00:00 lsr 0 FL issum.sou /SOURCE /PLANET /SOURCE Source2 Source4 /SOURCE /FLUX 0.6 /NIGHT 19
20 Dealing with sources Example 3: source visibility TIME 0 15 AUG 2016 TYPE issum.sou Source1 Source2 Source3 Source4 Source5 CATALOG HORIZON HORIZON HORIZON HORIZON 04:00:00 05:00:00 lsr 0 FL :00:00 10:00:00 lsr 0 FL :00:00 25:00:00 lsr 0 FL :00:00 40:00:00 lsr 0 FL :00:00 55:00:00 lsr 0 FL issum.sou /SOURCE /PLANET /SOURCE Source2 Source4 /SOURCE /FLUX 0.6 /NIGHT /SOURCE /FLUX /PLANET MOON /NIGHT 20
21 Dealing with sources Example 3: source visibility TIME 0 15 AUG 2016 TYPE issum.sou Source1 Source2 Source3 Source4 Source5 CATALOG HORIZON HORIZON HORIZON HORIZON 04:00:00 05:00:00 lsr 0 FL :00:00 10:00:00 lsr 0 FL :00:00 25:00:00 lsr 0 FL :00:00 40:00:00 lsr 0 FL :00:00 55:00:00 lsr 0 FL issum.sou /SOURCE /PLANET /SOURCE Source2 Source4 /SOURCE /FLUX 0.6 /NIGHT /SOURCE /FLUX /PLANET MOON /NIGHT 21
22 UV coverage Example 1: NOEMA single pointing case TIME 0:0:0 15 AUG 2016 SOURCE MySource EQ 12:00:00 24:24:24 LSR 0 UV_TRACKS W27 W09 E68 E23 E12 N46 N29 N20 /FRAME /HORIZON 40 /TABLE mytab.uvt $ls rtl *uvt 22
23 UV coverage Example 2: ALMA single pointing OBSERVATORY ALMA TIME SOURCE MySource EQ 12:00:00 24:24:24 LSR 0 SIC LOG astro_stations alma cycle4 4.cfg UV_TRACKS ALL /FRAME /HOUR_ANGLE 1 0 /TABLE mytab2.uvt 23
24 UV coverage Example 3: Mosaics (advanced use, not in the tutorial script) In ASTRO: create a single.uvt table using a realistic sampling of the uv plane $astro TIME 02:00:00 01 AUG 2016 SOURCE LargeSource EQ 30:00:00 34:34:34 LSR 0 UV_TRACKS [stations] /INTEGRATION 'time/field' /TABLE mos.uvt!integration for each point in the uv plane, in minutes EXIT In Mapping: split the uv table to have the uv_coverage for a single field of the mosaic $mapping MAP> run uv_splitfield waiting... I RUN, Task uv_splitfield running, logfile is [...] I UV_SPLIFIELD, Successful completion MAP> $ls rtl Compare uv_coverage of mos.uvt vs mos-1...uvt (using UV_SHOW) Compare beams (built using UV_MAP) 24
25 ASTRO: generalities Deal with sources Convert source position Visualize source visibility Estimate uv-coverage Visualize Fruency coverage Receiver tuning and backend configuration Estimate sensitivity/time Model atmosphere Warning: The receiver and backend configuration functionality in ASTRO is still under development and likely to evolve. This document will be modified when major upgrades are implemented 25
26 EMIR Fruency coverage: Receiver Tuning Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON! Chose to show molecular lines from the default catalog EMIR!See all EMIR bands I EMIR, Displaying EMIR bands, with a single tuning as example: EMIR LO I RECEIVER, Selecting the E090 band of the EMIR receiver I RECEIVER, FSKY = GHz I RECEIVER, FLO1 = GHz Grey means available but not selected 26
27 EMIR Fruency coverage: Receiver Tuning Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON! Chose to show molecular lines from the default catalog EMIR /FIXEDSCALE!See all EMIR bands, /FIXEDSCALE to have all bands with same scale I EMIR, Displaying EMIR bands, with a single tuning as example: EMIR LO I RECEIVER, Selecting the E090 band of the EMIR receiver I RECEIVER, FSKY = GHz I RECEIVER, FLO1 = GHz Grey means available but not selected Black means unavailable 27
28 EMIR Fruency coverage: Receiver Tuning Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON EMIR EMIR LI! Tune 1 receiver band at the REST fruency GHz! will be placed in the INNER baseband of the LOWER side band (6.25GHz IF1) I RECEIVER, Selecting the E150 band of the EMIR receiver I RECEIVER, FSKY = GHz I RECEIVER, FLO1 = GHz Example: Case of EMIR Radio Fruency (RF) Local Oscillator Fruency (LO1) in LI LSB USB 4-12 GHz Side Bands Intermediate Fruency (IF) Outer Inner Inner Outer 0-4 GHz Basebands (IF2) Unit 1 Unit 2 Unit 3 Unit 4 Spectrometer/Correlator 28
29 EMIR Fruency coverage: Receiver Tuning Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON EMIR /FIXEDSCALE EMIR LI /FIXEDSCALE! Tune 1 receiver band at the REST fruency GHz! will be placed in the INNER baseband of the LOWER side band (6.25GHz IF1) I RECEIVER, Selecting the E150 band of the EMIR receiver I RECEIVER, FSKY = GHz I RECEIVER, FLO1 = GHz 29
30 EMIR Fruency coverage: Receiver Tuning Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON EMIR /FIXEDSCALE EMIR LI /FIXEDSCALE! Tune 1 receiver band at the REST fruency GHz EMIR LI /ZOOM! Same tuning, Zoom on the available fruency range I RECEIVER, Selecting the E150 band of the EMIR receiver I RECEIVER, FSKY = GHz I RECEIVER, FLO1 = GHz 30
31 EMIR Fruency coverage: Receiver Tuning 31
32 EMIR Fruency coverage: Receiver Tuning Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON EMIR /FIXEDSCALE EMIR LI /FIXEDSCALE! Tune 1 receiver band at the REST fruency 147 GHz EMIR LI /ZOOM EMIR UO /ZOOM! Change the position of the Rest fruency in the IF1! (from 6.25 GHz LSB to 9.43 USB GHz) I RECEIVER, I RECEIVER, I RECEIVER, Selecting the E150 band of the EMIR receiver FSKY = GHz FLO1 = GHz Example: Case of EMIR and NOEMA Local Oscillator Fruency (LO1) in UI LSB USB Radio Fruency (RF) 4-12 GHz Side Bands Intermediate Fruency (IF) Outer Inner Inner Outer 0-4 GHz Basebands (IF2) Unit 1 Unit 2 Unit 3 Unit 4 Spectrometer/Correlator 32
33 EMIR Fruency coverage 33
34 EMIR Fruency coverage: SwitchBox configuration Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON EMIR /FIXEDSCALE EMIR UO /ZOOM! Receiver tuned: LSB from ~126 to ~124 GHz, USB from ~141.5 to ~149.5 GHz BASEBAND! Defines the 8 Spectral IF Cable # 1 IF Cable # 2 IF Cable # 3 IF Cable # 4 IF Cable # 5 IF Cable # 6 IF Cable # 7 IF Cable # 8 ranges (4GHz each) transported to Backend contains E1VUI contains E1VLI contains E1HUI contains E1HLI contains E1VUO contains E1VLO contains E1HUO USB LSB contains E1HLO Outer Inner Inner Outer Unit 1 Unit 2 Unit 3 Unit 4 34 x 2 Polar
35 Basebands are identified on the plot Basebands are identified on the plot 35
36 EMIR Fruency coverage: SwitchBox configuration Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON EMIR /FIXEDSCALE EMIR UO /ZOOM! Receiver tuned: LSB from ~126 to ~124 GHz, USB from ~141.5 to ~149.5 GHz BASEBAND! Defines the 8 Spectral IF Cable # 1 IF Cable # 2 IF Cable # 3 IF Cable # 4 IF Cable # 5 IF Cable # 6 IF Cable # 7 IF Cable # 8 ranges (4GHz each) transported to Backend contains E1VUI contains E1VLI contains E1HUI contains E1HLI contains E1VUO contains E1VLO contains E1HUO USB LSB contains E1HLO By default BASEBAND tries to maximize the fruency coverage. Outer Inner Inner Outer Unit 1 Unit 2 Unit 3 Unit 4 BASEBAND E1VUO E1VLO E1HUO E1HLO To force the Outer baseband in the IF Cable #1 4 (the only ones feeding WILMA and VESPA) 36 x 2 Polar
37 EMIR Fruency coverage: SwitchBox configuration Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON EMIR /FIXEDSCALE EMIR UO /ZOOM! Receiver tuned: LSB from ~126 to ~124 GHz, USB from ~141.5 to ~149.5 GHz BASEBAND By default BASEBAND tries to maximize the fruency coverage. BASEBAND E1VUO E1VLO E1HUO E1HLO To force the Outer basebands in the IF Cable #1 4 (the only ones feeding WILMA and VESPA) Cable 5 to 8 can only transport Outer Baseband but They don't feed WILMA and VESPA IF Cable # 1 contains E1VUO IF Cable # 2 contains E1VLO USB LSB IF Cable # 3 contains E1HUO IF Cable # 4 contains E1HLO Outer Inner Inner Outer x 2 Polar IF Cable # 5 contains E1VUO IF Cable # 6 contains E1VLO Unit 1 Unit 2 Unit 3 Unit 4 IF Cable # 7 contains E1HUO IF Cable # 8 contains E1HLO In that example, the outer basebands are transported twice and the inner basebands are lost 37
38 Basebands are identified on the plot Basebands are identified on the plot 38
39 EMIR Fruency coverage: Backend Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON EMIR UO /ZOOM BASEBAND! Default case IF IF IF IF IF IF IF IF Cable Cable Cable Cable Cable Cable Cable Cable # # # # # # # # contains contains contains contains contains contains contains contains E1VUI E1VLI E1HUI E1HLI E1VUO E1VLO E1HUO E1HLO BACKEND FTS WIDE 39
40 EMIR Fruency coverage: Backend Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON EMIR UO /ZOOM BASEBAND! Default case IF IF IF IF IF IF IF IF Cable Cable Cable Cable Cable Cable Cable Cable # # # # # # # # contains contains contains contains contains contains contains contains E1VUI E1VLI E1HUI E1HLI E1VUO E1VLO E1HUO E1HLO BACKEND FTS NARROW 40
41 EMIR Fruency coverage: Backend Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON EMIR UO /ZOOM BASEBAND! Default case IF Cable IF Cable IF Cable IF Cable IF Cable IF Cable IF Cable IF Cable BACKEND WILMA! Only # 1 contains E1VUI # 2 contains E1VLI # 3 contains E1HUI # 4 contains E1HLI # 5 contains E1VUO # 6 contains E1VLO # 7 contains E1HUO # 8 contains E1HLO cables 1 to 4 41
42 EMIR Fruency coverage: Backend Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON EMIR UO /ZOOM BASEBAND E1VLO E1HLO E1VUO E1HUO! User choice IF Cable # 1 contains E1VUO IF Cable # 2 contains E1VLO IF Cable # 3 contains E1HUO IF Cable # 4 contains E1HLO IF Cable # 5 contains E1VUO IF Cable # 6 contains E1VLO IF Cable # 7 contains E1HUO IF Cable # 8 contains E1HLO BACKEND FTS NARROW 42
43 EMIR Fruency coverage: Backend Example 1: Single Band observations OBSERVATORY 30m TIME 0:0:0 15 AUG 2016 SOURCE M51 EQ 13:29: :11:42.93 LSR SET LINES PLOT ON EMIR UO /ZOOM BASEBAND E1VLO E1HLO E1VUO E1HUO! User choice IF Cable # 1 contains E1VUO IF Cable # 2 contains E1VLO IF Cable # 3 contains E1HUO IF Cable # 4 contains E1HLO IF Cable # 5 contains E1VUO IF Cable # 6 contains E1VLO IF Cable # 7 contains E1HUO IF Cable # 8 contains E1HLO BACKEND WILMA 43
44 EMIR Fruency coverage Example 2: Dual band setup SOURCE Gal EQ 10:00:00 20:20:20 RED 2.5! define source with redshift CATALOG co.dat /LINE!Use the local line catalog co.dat SET LINES PLOT ON! Chose to plot the lines EMIR /FIXEDSCALE 44
45 EMIR Fruency coverage Example 2: Dual band setup SOURCE Gal EQ 10:00:00 20:20:20 RED 2.5! define source with redshift CATALOG co.dat /LINE!Use the local line catalog co.dat SET LINES PLOT ON! Chose to plot the lines EMIR 345 LI 460 LO /FIXEDSCALE! Tune 2 EMIR bands I RECEIVER, I RECEIVER, I RECEIVER, I RECEIVER, I RECEIVER, I RECEIVER, Selecting the E090 band of the EMIR receiver FSKY = GHz FLO1 = GHz Selecting the E150 band of the EMIR receiver FSKY = GHz FLO1 = GHz 45
46 EMIR Fruency coverage Example 2: Dual band setup SOURCE Gal EQ 10:00:00 20:20:20 RED 2.5! define source with redshift CATALOG co.dat /LINE!Use the local line catalog co.dat SET LINES PLOT ON! Chose to plot the lines EMIR 345 LI 460 LO /FIXEDSCALE! Tune 2 EMIR bands 16 IF ranges (2 bands x 2 sidebands x 2 basebands x 2 polars) Only 8 IF transport cables All combinations are not possible (see EMIR doc) ASTRO forbids impossible setups USB LSB Outer Inner Inner Outer Unit 1 Unit 2 Unit 3 Unit 4 x 2 Polar x 2 Bands 46
47 EMIR Fruency coverage Example 2: Dual band setup SOURCE Gal EQ 10:00:00 20:20:20 RED 2.5! define source with redshift CATALOG co.dat /LINE!Use the local line catalog co.dat SET LINES PLOT ON! Chose to plot the lines EMIR 345 LI 460 LO /FIXEDSCALE! Tune 2 EMIR bands BASEBAND! Propose a default switchbox configuration The default configuration for this combination provides: only 1 sideband and 2 polars in each band The option /SINGLEPOLAR can be used to get: 2 sidebands and only 1 polar in each band Single polar observations are not recommended (lack of cross checks for ghostlines/calibration) IF Cable # 1 contains E0VLI IF Cable # 2 contains E1VLI IF Cable # 3 contains E0HLI IF Cable # 4 contains E1HLI IF Cable # 5 contains E0VLO IF Cable # 6 contains E1VLO IF Cable # 7 contains E0HLO IF Cable # 8 contains E1HLO 47
48 EMIR Fruency coverage Example 2: Dual band setup SOURCE Gal EQ 10:00:00 20:20:20 RED 2.5! define source with redshift CATALOG co.dat /LINE!Use the local line catalog co.dat SET LINES PLOT ON! Chose to plot the lines EMIR 345 LI 460 LO /FIXEDSCALE! Tune 2 EMIR bands BASEBAND! Propose a default configuration BACKEND FTS WIDE 48
49 EMIR Fruency coverage Example 2: Dual band setup SOURCE Gal EQ 10:00:00 20:20:20 RED 2.5! define source with redshift CATALOG co.dat /LINE!Use the local line catalog co.dat SET LINES PLOT ON! Chose to plot the lines EMIR 345 LI 460 LO /FIXEDSCALE! Tune 2 EMIR bands BASEBAND! Propose a default configuration BACKEND FTS NARROW 49
50 EMIR Fruency coverage Example 2: Dual band setup SOURCE Gal EQ 10:00:00 20:20:20 RED 2.5! define source with redshift CATALOG co.dat /LINE!Use the local line catalog co.dat SET LINES PLOT ON! Chose to plot the lines EMIR 345 LI 460 LO /FIXEDSCALE! Tune 2 EMIR bands BASEBAND! Propose a default configuration BACKEND WILMA! Only cable 1 to 4 50
51 EMIR: Plotting spectral lines On all EMIR plots, it is possible to indicate the position of known spectral lines They are read in a catalog. ASTRO has a default one, but the user can change it with the command: CATALOG MyCat.lin /LINE The choice to plot or not the lines is done with: SET LINES PLOT ON OFF By defaults the lines are indicated by a vertical line. ASTRO is able to plot instead a boxcar or gaussian profile with a given width: SET LINES PROFILE BOXCAR GAUSS SET LINES WIDTH 200! Boxcar width or gaussian FWHM in MHz 51
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