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

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

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

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

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

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

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

For Next Time (Dec 2) Data to play with, on class website Exercise #2 Imaging, 20051030 1-5 Biases 16 47 Tuc, 629 nm filter Spectroscopy, 20051106 30: Ne Lamp 31: Xe Lamp 35-37 Biases 38, 39 10, 60 sec on BD -07 281 Exercise #2 pbias biases pireduce, pmosaic 47 Tuc, Ne, Xe, BD -7 281 extra credit: extract spectrum, wavelength calibrate Nov 18, 2005 Ast 920 Meeting 10