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