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Sample Run of Spectrograph Setup Program

Below is an example run of setup, using the 860@30.9 grating in the vicinity of the Mg triplet.

vanilla% setup


 STARTING WIYN/BENCH SETUP PROGRAM


 enter desired central wavelength in Angs.... 
5170.0
 enter camera selection (1=Red Lens or 2=Simmons)... 
2


 the available WIYN gratings are:

  1 = 316@7.0    316 l/mm,  7450A first order  
  2 = 400@4.2    400 l/mm,  3800A first order  
  3 = 600@13.9   600 l/mm,  7700A first order  
  4 = 860@30.9   860 l/mm, 11500A first order  
  5 = 1200@28.7 1200 l/mm,  7700A first order  
  6 = 316@63.4   316 l/mm,  63.4 degree echelle
  7 = other       

 enter the number of the grating....   
4


 SET-UP FOR THE WIYN/BENCH SPECTROGRAPH (ON-AXIS)

 COLLIMATOR                     DETECTOR (T2KC)
 diameter (mm):        150.     pixel number, size: 2048.   24.
 focal length (mm):  1023.6     rdnoise, gain:        4.3    1.7
 focal ratio:          6.00     overall size (mm):   49.2
 
 GRATING (860@30.9  )           CONFIGURATION
 lines per mm        860.00     camera-coll angle:   30.
 blaze angle:         30.90     use angle (alpha):   42.406
 selected order    2(  2.23)    beta:                12.406
 
 CAMERA (Simmons )              FIBER DIAM.  (Red Cable )
 focal length (mm):   381.0     in mm:                0.200
 focal ratio:          1.92     in arc-sec            2.00
 mono. beam diam. (mm): 198.
 
 SPECTRAL PARAMETERS
 central lambda:      5170.     dispersion (A/mm):   14.903
 lower lambda:        4804.     dispersion (A/pix):   0.358
 upper lambda:        5536.     resolution:            6163.
 
 DEMAGNIFICATION                SLIT IMAGE
 spectral:             3.55     in mm:                0.056
 spatial:              2.69     in pixels:             2.35
 
 ESTIMATED OBSERVING AND PERFORMANCE PARAMETERS
 magnitude:           16.00     summed e-/pix:         260.
 exp. time (sec):      600.     summed adu/pix:        100.
 seeing (arc-sec):      1.0     s/n per summed pix:     14.
 
 
 0 = save to wiyn.setup   5 = exposure time     
 1 = quit (no save)       6 = fiber diam. (mm)  
 2 = wavelength           7 = grating           
 3 = magnitude            8 = camera/config     
 4 = seeing               9 = detector          

  enter 0-9 to change the parameter listed above: 
0
 
 0 = save to wiyn.setup   5 = exposure time     
 1 = quit (no save)       6 = fiber diam. (mm)  
 2 = wavelength           7 = grating           
 3 = magnitude            8 = camera/config     
 4 = seeing               9 = detector          

  enter 0-9 to change the parameter listed above: 
1
vanilla%



Sam Barden
Tue Aug 29 16:45:05 MST 1995