1. Meeting 10 Longslit Spectroscopy Ken Nordsieck
Astronomy 920 Commissioning of the Robert Stobie Prime Focus Imaging Spectrograph
Meeting 10
Longslit Spectroscopy
Ken Nordsieck
Nov 18, 2005
Ast 920 Meeting 10

2. First Spectrum 6/7 Nov, 2005; 60 secs; 1.2 arcsec slit; V = 10
Ast 920 Meeting 10

3. Longslit Spectroscopy
Data Format
Acquisition
Wavelength calibration
Nov 18, 2005
Ast 920 Meeting 10

4. BD -07 281 Spectral Image Sky ghost shadow of guider zero order Star
5577
6300 OH
Nov 18, 2005
Ast 920 Meeting 10

5. Slitviewer Long Slits:
polished metal
tilted
Light not going through slit relayed to acquisition camera
Use
peak-up position
verify target
document
Nov 18, 2005
Ast 920 Meeting 10

6. Slitviewer image Night Sky ~3.5 arcsec star image shadow of guider
1.2 arcsec longslit
Nov 18, 2005
Ast 920 Meeting 10

7. Wavelength Calibration
PFIS
stowed
primary mirror Ne
Calibration system
red, blue light guides
Ne, Xe, HgAr, ThAr, CuAr line lamps
QTH (Quartz Tungsten Halogen) continuum with color balance filters Xe
Nov 18, 2005
Ast 920 Meeting 10

8. For Next Time (Dec 2) Data to play with, on class website Exercise #2
Imaging,
1-5 Biases
Tuc, 629 nm filter
Spectroscopy,
30: Ne Lamp
31: Xe Lamp
35-37 Biases
38, , 60 sec on BD
Exercise #2
pbias biases
pireduce, pmosaic 47 Tuc, Ne, Xe, BD
extra credit: extract spectrum, wavelength calibrate
Nov 18, 2005
Ast 920 Meeting 10