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Baade Parameters

1. Telescope Counterweights

 

Counterweigths MAGIC + rotator + (4 x 45 lbs) Date
  M1 Closed M1 Open  
CY 78.5% 78.5% Apr 20, 08
CE 89.3% 99.3% Oct 05, 08
CW 89.3% 99.3% Oct 05, 08

 

2. Guiders, Cameras and Probes Parameters

 

This web page contains information related to guiders, cameras and probes.

  1. Probes Focus Values
  2. Leds and Slit Viewer positions
  3. Zero Values for Probes
  4. GCAM Specifications

 

-- 2.1. Probes Focus Values

 

Instrument Side F1 (Guide) F2 (S-H) F1 (S-H) F2 (Guide) Date
MAGIC - SITE AUX2 -9.0 -17.5 -20.0 -10.0 Nov 17, 08
MAGIC - ev2 AUX2 V, B  = -9.0 -17.5     Nov 17, 08
  i  = -9.0 -17.5  
PANIC NASE J  = -2.7 -2.7 -1.0 -10.0 Jun 21, 08
  Y  = -2.1 -2.1  
  H  = -1.8 -1.8 0.0 -7.0  
  K  = 0.4 0.4 4.5 -5.0  
  Bg  = 2.2 2.2  

 

-- 2.2 Leds and Slit Viewer positions

 

Side Instrument LED1 APERTURE1 LED2 APERTURE2 Date
AUX2 MAGIC 479 / 511 479 / 515 483 / 513 483 / 515 Dec 16, 08
NASE PANIC 437 / 779 443 / 777 428 / 535 429 / 545 Dec 16, 08

 

-- 2.3. Zero Values for Probes

 

  NASE (PANIC) AUX2 (MAGIC)
X1 140,74 142.79
Y1 -149,01 -125.06
F1 -15.25 0.0
X2 -139,94 -138.86
Y2 143,25 128.95
F2 -10.0 0.0
Date Dec 16, 08 Dec 16, 08

 

-- 2.4. GCAM Specifications


 
  GCAM1 & GCAM2 parameters GCAM3 parameters
  bf bkg bx pct px sn bf bkg bx pct px sn
IMACS 2 16 31 25 86 0.5 2 16 31 25 95 0.5
LDSS3 2 16 31 25 92 0.5 / / / / / /
MAGE 2 16 31 25 92 0.5 2 16 31 25 95 0.5
MAGIC 2 16 31 25 92 0.5 / / / / / /
MIKE 2 16 31 25 92 0.5 2 16 31 50 67 2.0
PANIC 2 16 31 25 92 0.5 / / / / / /

                    Values properly adjusted when you set corresponding rcfg number in TCS pc.

 

3. Last values of fcfg, tcfg and M2 collimation

 

fcfg 15 Sep 11, 2008
tcfg 16 Nov 18, 2008

 

INSTR IMACS MAGIC PANIC
Zset -1800 0 0
Xset 30 0 0
Yset 0 0 0
Hset 23 0 49
Vset 0 0 -38
  Sep 14, 08 Sep 14, 08 Sep 14, 08

 

xima = yima = hima = vima = 0 for all instruments

 

4. M3 Tilts

 

M3 Tilt / Port NASE NASW AUX2
TA 4,14 3.32 4.34
TB 1,30 -0,26 1.75
TC 0,69 0,69 0.96
Date Aug 12, 08 Feb 22, 08 Feb 20, 08

 

5. Instrument / Rotator Track / Slew Modes

by Herman Rojas last modified 2009-01-21 10:09
 


 

Instrument Rotator Tracking Mode (rm) Rotator Slew Offset Mode
IMACS 2 EQU +43.95 **
LDSS3 2 EQU -62.0 (MOS / Imaging)
LDSS3 2 HRZ -62.0 (Long Slit)
MAGE 2 EQU +15
MAGIC 2 EQU +0
MIKE 2 GRV +0
MIKE Fibers 2 GRV -7.58
PANIC 2 EQU +44.67

  
     Instrument Rotator Modes:

 

1. OFF - This simply applies the desired offset angle to the current rotator position.

2. EQU - This is the default mode for most instruments. It will apply the noted offset angle to the current rotator position for targets in the South and will apply the noted offset angle - 180 degrees for targets in the North. This mode is designed to allow for the maximum continuous time on target before running into a rotator limit.

3. HRZ - This mode is used to maintain the noted offset angle aligned with the paralactic angle (the angle is usually chosen to place a spectroscopic slit within the instrument along the paralactic angle).

4. GRV - This mode will hold the rotator (and thus the connected instrument) at a gravity invariant angle (i.e. it will keep the instrument horizontal to the platform provided the offset angle matches the rotator angle of the horizontal instrument when the telescope is pointing at the zenith.

 

		 *  Go HERE for Orientations.

** Go HERE for other IMACS configurations.

6. Parking Positions at Baade

 

Dome 45
NASE Instrument Rotator 0
NASW Instrument Rotator (mask server access) -46,05
NASW Instrument Rotator (mask load) 133,7
NASW Instrument Rotator (f/2 filter load) 43
NASW Instrument Rotator (pump f/4 ; change camera config) -136,5
Telescope Azimuth NASW (default) 168
Telescope Elevation (default) 89,98
Telescope Azimuth NASE 348

 

7. Parameters setting in TCS



  rcfg cn pf rs sz
AUX2 4 1 -1 -1 92
AUX3 5 2 -1 -1 92
NASE 1 2 -1 -1 92
NASW 0 2 -1 -1 92
  rcfg cn pf rs sz
IMACS   3 1 -1 95
MAGE   3 1 -1 95
MIKE   3 -1 -1 67

 

                    Values properly adjusted when you set corresponding rcfg number in TCS pc.

 

8. IMACS Angles



Updated values: Jul 29th, 2004

f / 2 and f / 4 ? Rotator Mode Rotator Offset Angle: South / North
Direct Imaging EQU 43,95 -136,05
Long Slit Mask (Parallactic Angle) HRZ 133,95 133,95
Long Slit Mask (Specific Position Angle = PA) OFF PA + 133,95 PA - 226.05
Single Object Nod & Shuffle (Parallactic Angle) HRZ 133,95 133,95
Single Object Nod & Shuffle (Specific Position Angle = PA) OFF PA + 133,95 PA + 133,95
Multi Slit Mask OFF get angle get angle
IFU EQU 43,95 -136,05
IFU (Specific Position Angle) OFF PA + 43,95 PA -136,05
Center Field Slit - Viewing      
Multi Slit Mask - Nod & Shuffle      

 

 To read information about or compute new values go here

To have a picture about how to compute new values go here

 

9. IMACS Parameters

 

Side Rotation Center Aperture Center (S-H) Hole Object Field Date
GCAM2   490 / 428     Feb 23, 08
GCAM3 493 / 552 487 / 557 326 / 118 55 / 445 IFU Dec 14, 08
SV Slits 0,25 arcsec 0,50 arcsec 0,75 arcsec 1,00 arcsec 1,50 arcsec Nov 21, 06
GCAM3 516 / 953 516 / 830 516 / 679 516 / 435 516 / 250 Nov 21, 06
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