In {TAIL ~ operation} the lamp has a voltage of {HEAD ~ 109V}, whilst the value for the coldest spot temperature Tkp 1299 k is and for Δλ 12.5 nm 
In { TAIL ~ operation } the lamp has a voltage of { HEAD ~ 109V } , whilst the value for the coldest spot temperature Tkp 1299 k is and for Δλ 12.5 nm
OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH