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Hubble Space Telescope
Phase I: 11899

COS Cycle-17 Calibration Phase-1 Template

Last Revised: 
Proposal ID: 11899
Title: NUV Imaging Sensitivity
PI: P. Goudfrooij
Co-I(s): A. Aloisi (STScI)
         T. Keyes (STScI)
         D. Sahnow (JHU)
         D. Soderblom
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# Orbit estimates are TOTAL for all of cycle-17; assume 4 weeks 
# 01 March 2009, 01 September 2009, 01 March 2010

Total Prime Orbits:                  2
External Parallel Orbits:            0
Internals or no-impact orbits:       0
Comments on orbit estimate:          
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# This section should be written with a GO audience in mind -- use 
# Calibration plans in WFPC-2 handbook as a guide.

Purpose:  The NUV imaging sensitivity is tested using targets with an 
          appropriate range of colors (temperatures) to establish color 
          terms in the sensitivity formula.

                                      
Description:  Observe 8 horizontal branch stars in the globular cluster 
              NGC 6681 that cover a range of colors, plus one orbit on 
              Solar-type star P177D to evaluate red response. All these 
              stars have UV-to-optical SEDs measured with STIS.

               
Accuracy:  1% from counting statistics per star, 5% overall accuracy of
           sensitivity formula. 

Comments on Accuracy:  
     
Products:  Reference files, ISR.



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# THE REST OF THIS FORM IS FOR INTERNAL USE
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# Target information (copy for each target)

Target Name.............................: DARK	
RA.............................................: n/a 		
Dec...........................................: n/a		
Flux (and units)........................: n/a	
Visibility window (if known or relevant): n/a
Comment on choice of target: n/a

# Table of exposures (copy for each exposure):

Target or lamp..........................: 
Type of Acquisition.....................: 
Detector for observation................: 
Operating mode .........................: 
Spectral Element........................: 
Aperture................................: 
Central Wavelength......................: 
Exposure Time...........................: 
Number of Iterations ...................: 
BOP Predicted Local Count Rate for MAMA.: 
BOP Predicted Global Count Rate for MAMA: 
ETC PID IDs for Count Rates.............: 
Special Requirements or options.........: 
Comments: 
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# Special needs of this proposal?

Scheduling: Once during the cycle, preferably early

Prerequisites: n/a

PDB update?               no
On-board table update?    no

# Special Requirements:
Real time?                N
Special commanding?       N
Quick Data turnaround?    N
Special timing required?  N
Other?                    N
Describe (& justify) special requirements:


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# Link to Cycle 17 Science

Fraction of science programs supported by this calibration: 100% of COS

List categories of science which can't be executed until after this proposal:
  none
why: 

List categories of science which are best performed contemporaneous with 
this proposal: 
  none
why:

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Expected FTE weeks for analysis:            3   
Required turnaround on analysis (weeks):    
Data volume (Mb needed for analysis):       
Special software needed for analysis? (Describe): 

Description of analysis Plans: