{"action":"created","issue":{"url":"https://api.github.com/repos/pynbody/pynbody/issues/286","labels_url":"https://api.github.com/repos/pynbody/pynbody/issues/286/labels{/name}","comments_url":"https://api.github.com/repos/pynbody/pynbody/issues/286/comments","events_url":"https://api.github.com/repos/pynbody/pynbody/issues/286/events","html_url":"https://github.com/pynbody/pynbody/issues/286","id":113784053,"number":286,"title":"half-light radius funciton returns units of kpc^2","user":{"login":"adicintio","id":15359450,"avatar_url":"https://avatars.githubusercontent.com/u/15359450?v=3","gravatar_id":"","url":"https://api.github.com/users/adicintio","html_url":"https://github.com/adicintio","followers_url":"https://api.github.com/users/adicintio/followers","following_url":"https://api.github.com/users/adicintio/following{/other_user}","gists_url":"https://api.github.com/users/adicintio/gists{/gist_id}","starred_url":"https://api.github.com/users/adicintio/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/adicintio/subscriptions","organizations_url":"https://api.github.com/users/adicintio/orgs","repos_url":"https://api.github.com/users/adicintio/repos","events_url":"https://api.github.com/users/adicintio/events{/privacy}","received_events_url":"https://api.github.com/users/adicintio/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":6,"created_at":"2015-10-28T10:09:56Z","updated_at":"2015-11-03T15:49:25Z","closed_at":null,"body":"In [62]: pynbody.analysis.luminosity.half_light_r(sim.s)\r\nOut[62]: SimArray(3.7397091027335896, 'kpc**2')\r\n"},"comment":{"url":"https://api.github.com/repos/pynbody/pynbody/issues/comments/153395069","html_url":"https://github.com/pynbody/pynbody/issues/286#issuecomment-153395069","issue_url":"https://api.github.com/repos/pynbody/pynbody/issues/286","id":153395069,"user":{"login":"adicintio","id":15359450,"avatar_url":"https://avatars.githubusercontent.com/u/15359450?v=3","gravatar_id":"","url":"https://api.github.com/users/adicintio","html_url":"https://github.com/adicintio","followers_url":"https://api.github.com/users/adicintio/followers","following_url":"https://api.github.com/users/adicintio/following{/other_user}","gists_url":"https://api.github.com/users/adicintio/gists{/gist_id}","starred_url":"https://api.github.com/users/adicintio/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/adicintio/subscriptions","organizations_url":"https://api.github.com/users/adicintio/orgs","repos_url":"https://api.github.com/users/adicintio/repos","events_url":"https://api.github.com/users/adicintio/events{/privacy}","received_events_url":"https://api.github.com/users/adicintio/received_events","type":"User","site_admin":false},"created_at":"2015-11-03T15:49:25Z","updated_at":"2015-11-03T15:49:25Z","body":"no idea how to do this, Greg. but i see in http://stev.oapd.inaf.it/cgi-bin/cmd that there is the option to chose different bands..\r\n\r\nChoose among the available photometric systems:  2MASS + SPITZER (IRAC+MIPS) + WISE"}}