SMILE FOR THE CAMERA RIGHT HELIUM ONE I THINK THERE SHOULD BE A BREAK FOR AND BUT I THINK MAYBE THAT ONE SHOULD BE UNDERLINED THAT'S THIS IS A BIT OF H. T. M. L. GOO YEAH AND THEY DON'T KNOW WHAT TO DO WITH THE H. T. M. L. GOO M. B. D. A. PRESUMABLY IS LAMBDA AND THIS ISN'T A SEPARATE THING SO I W I WOULD AGREE THAT YOU UNDERLINE THE YOU UNDERLINE THE GOO IN EACH CASE BUT NOT THE AND RIGHT DO YOU RECKON THIS STANDS FOR LAMBDA OR YEAH OKAY OKAY RIGHT WHAT'S DIFFERENT JUST THIS HIGH EXCITATION EMISSION LINES MM IT'S TALKING ABOUT THE SPECIES THAT THE EMISSION LINES ARE COMING FROM YES YEAH YEAH OKAY RIGHT YOU DON'T GET THAT ESO I DON'T THINK IS AN INSTRUMENT ESO ISN'T AN INSTRUMENT YOU'RE RIGHT WE AGREED FOR TO KEEP HUBBLE YEP UM FOR THIS THAT SHOULD BE GREEN AS WELL IT'S YEAH DO YOU THINK THAT'S PART OF THE NAME YEAH I DON'T YEAH I HAVE NO WAY OF KNOWING YEAH ABSORPTION LINE SYSTEMS SHOULDN'T BE THERE ABSORPTION LINE SYSTEMS AND AGAIN YEP RIGHT NEEDS COLUMN DENSITIES WHICH IS A DERIVED PROPERTY MM YEAH YEP THAT'S FINE AND LYMAN ALPHA CLOUD SHOULDN'T BE IN THERE EITHER NOPE RIGHT NO FOR SOME REASON I SEEM TO HAVE JUST DIED ON THIS ONE HE GOT BORED YOU'RE RIGHT THERE OKAY I FORGOT TO KEEP TRACK OF THE OVERALL SCORE LIKE WHO WINS AND WHO LOSE UM OKAY AND HERE AGAIN YEAH AND THIS ONE MM THAT'S A SPECTRAL FEATURE THAT'S OKAY BUT IS EMISSION LINE A. G. N. A SEPARATE CLASS FROM A. G. N. UM I DON'T THINK IT IS I THINK A. G. N. EMISSION LINE A. G. N. YOU CAN GET A. G. N. WITHOUT EMISSION LINES BUT I DON'T THINK YOU'D PARTICULARLY CLASS THEM AS A SEPARATE SOURCE A SEPARATE SOURCE CLASS I THINK IN PHIL'S PAPER HE DOES DOESN'T HE THE PAPER I POINTED YOU TO A FEW WEEKS AGO OR LAST WEEK MM I DIDN'T IT I JUST LOOKED AT THE PLU I'VE SEEN PEOPLE TALK ABOUT THEM AS SEPARATE CLASSES BUT I DON'T REALLY KNOW WHAT THAT MEANS YEAH SO YEAH I'M HAPPY WITH THAT AS LONG AS THAT'S RED AS WELL WHICH IT IS UM OH I THINK YOU'RE R YOU'RE RIGHT AGAIN THERE MM 'KAY YEAH THAT G. DWARFS ARE THINGS AREN'T THEY THAT'S ALRIGHT YEAH WELL IT'S ONE OF THEM OUT UM OVER HERE I THINK ACTUALLY AT THE MOMENT SO 'CAUSE OUR SUN IS A IS A T. DWARF THERE YOU GO UH YEAH ABSORPTION BY LYMAN ALPHA FOREST AND LYMAN LIMIT SYSTEMS SO YOU'RE RIGHT THERE YEAH OKAY OR THERE MAYBE THERE SHOULDN'T BE ANY YEAH I THINK SHOULD STILL BE ABSORPTION RADIO LOUD QUASAR AGAIN YOU'RE RIGHT EMISSION MODELS DEFINITELY NOT UM WHY ASSOCIATED MM-HMM UM WHAT DOES IT MEAN IT MEANS IT'S ASSOCIATED WITH SOME PHYSICAL THING BUT IT DOESN'T HAVE ANYTHING TO DO WITH THE SPECTRAL FEATURES I DON'T THINK DOES IT UH DOESN'T SAY IT'S ASSOCIATED WITH WHAT ISN'T IT A PROCESS I DON'T KNOW I'VE GOT NO IDEA WHAT IT MEANS I'M HAPPY TO SAY M. TWO WHAT NOT ABSORPTION IS A SPECTRAL FEATURE BUT ASSOCIATED MEANS IT'S ASSOCIATED TO SOME PHYSICAL THING SO YEAH SO THAT SHOULDN'T BE IN RIGHT UM AND ASSOCIATED AGAIN YEP THOSE ARE MECHANISMS SO THEY DON'T COUNT DON'T THINK UM YEP I JUST MISSED IT AND THAT'S IT HMM YEAH WE SHOULD DO BUT WE'RE NOT SUPPOSED TO MARK THINGS WE'VE DONE DIFFERENTLY SO YEAH WE DID THAT THE SAME BUT IT'S DIFFERENT FROM WHAT WE'VE BEEN DOING WELL I THINK Y BU Y Y YOU CAN ACTUALLY MARK IT IF IT ISN'T ALTERING WHAT'S IN THE MANUAL UH UM IT'S ONLY ALTERING EARLIER RULES YEAH AND IT'S NOT IN THE MANUAL IS IT IT DOESN'T SAY IN THE MANUAL ABOUT FEATURES OR NOT BUT WE D WHEN WE SAW ONES PREVIOUSLY WE MARKED FEATURES YEAH THEN THEN DO I THINK UM YES THE ONLY PROBLEM IT'S DONE IF WE'VE BOTH BEEN NOT MARKING IT THERE MIGHT BE OTHER INSTANCES IN THE TEXT WHERE IT'S NOT MARKED Y YEAH YEAH BUT YEAH MM-HMM MM-HMM YEAH OKAY HAVE YOU DO YOU'VE SEEN THAT THERE ARE THE OTHER ONE THERE THE QUASAR RIGHT THE UH RIGHT SORRY AND THIS IS EXACTLY THE SAME AS LAST ONE SYSTEMS YEP I. M. GALAXIES YEAH IS IT OKAY MM-HMM JUST A P WHAT ARE YOU DOING THERE THERE SORRY AND ABSORPTION SHOULDN'T BE MARKED YEP I DON'T THINK ABLE CLUSTER IS DIFFERENT FROM CLUSTER HMM UM YEAH THAT'S ACTUALLY MARKED EX EXPLICITLY IN HERE NOT TO HAVE A. BAR CLUSTERS SO YEAH SOFT EXCESS THAT'S NOT A COMPONENT I THINK YEAH WE COULD COME TO BLOWS OVER SOFT EXCESS OKAY I THINK YOU'RE RIGHT ON BOTH OF THEM YEAH OKAY UM X. RAY B. L. X. AND RADIO B. L. X. I THINK ARE BECAUSE THE B. L. WITHIN SHOULD BE MARKED SO THAT'S FINE DO YOU WANT THIS ONE HERE MM-HMM NO CONTI CONTINUUM NO OKAY C. O. LUMINOSITY I THINK THAT'S A S SPECIES AGAIN YEAH THAT'S FINE OH IT'S STILL TOO HOT UH I CAN AGREE WITH TAKING THAT OUT UM INTERMEDIATE IS A REGION THAT THE SO CALLED YEAH I DON'T THINK IT SHOULD BE SHOULD IT 'CAUSE IT'S A REGION YEAH YEP YEAH IT'S BADLY WRITTEN INFRARED GALAXIES WE SAID NOT TO MARK THINGS BASED SOLELY ON SO IT'S JUST DEFINED ONLY BY WAVE LENGTH SO WE CAN'T INCLUDE INFRARED GALAXIES AND STAR BURSTS YES THEY DO OH YES ASSUMING YOU'RE TALKING ABOUT STAR BURST GALAXIES RATHER THAN STAR BURST WITHIN A GALAXY BUT THEY ARE TALKING ABOUT STAR BURST GALAXIES AND GALAXIES MM CONTINUA OR CONTINUUM FLUX IT'S ANOTHER ONE OF THOSE THAT DOESN'T REALLY MAKE A BIG DIFFERENCE BUT WHAT DID WE DECIDE LET'S KEEP FLUX IN BECAUSE IT IN MOST OF THESE CASES WE'VE PUT FLUX IN AND THE SAME AS FEATURE MM NO I'M HAPPY TO TAKE THAT OUT OH BROAD LINE POLARIZATION IS THAT A SPECTRAL FEATURE I THINK YOU'D WANT THE WHOLE THING IN SOME EXTENT MM NO YOU CAN'T POINT TO IT BUT YOU CAN IF YOU'VE GOT A SPECTRUM THAT'S SPLIT BY POLARIZED LIGHT YEAH WELL N I THINK I WOULD ACTUALLY LEAVE IT UM WITH ONLY TH ON THOSE BR BROAD L LINE IN IT UM BECAUSE I THINK THAT'S S WHAT YOU HAVE BEEN DOING EARLIER ON YES OKAY YEAH YEAH YEP OKAY NOW I D DON'T KNOW WHAT WAS MARKED HERE HAVE YOU GOT THE BOTTOM OF THIS PAGE OR IS IT CUT OFF UH WE'RE MISSING WEAK WEAK LINE NO I SAID THAT WEAK LINE WAS BECAUSE THE MODIFIER SHOULD BE INCLUDED WHICH I THINK IT SHOULD EVEN THOUGH WE CLAIM RADIO GALAXIES I THIS SHOULD BE UNDERLINED THIS SHOULD BE GREEN OKAY YEAH OH RIGHT OKAY ARE WE THE SAME ON THE BOTTOM LINE CHARACTERISED BY UNUSUALLY OH YEAH NO YOU'VE GOT LINE IN THERE M LINE COMES OUT AND AND SHOULD COME OUT AS WELL