{"action":"created","issue":{"url":"https://api.github.com/repos/jobovy/apogee/issues/15","labels_url":"https://api.github.com/repos/jobovy/apogee/issues/15/labels{/name}","comments_url":"https://api.github.com/repos/jobovy/apogee/issues/15/comments","events_url":"https://api.github.com/repos/jobovy/apogee/issues/15/events","html_url":"https://github.com/jobovy/apogee/issues/15","id":69571073,"number":15,"title":"Interpolated model vs. gridpoint","user":{"login":"DanielAndreasen","id":4519017,"avatar_url":"https://avatars.githubusercontent.com/u/4519017?v=3","gravatar_id":"","url":"https://api.github.com/users/DanielAndreasen","html_url":"https://github.com/DanielAndreasen","followers_url":"https://api.github.com/users/DanielAndreasen/followers","following_url":"https://api.github.com/users/DanielAndreasen/following{/other_user}","gists_url":"https://api.github.com/users/DanielAndreasen/gists{/gist_id}","starred_url":"https://api.github.com/users/DanielAndreasen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/DanielAndreasen/subscriptions","organizations_url":"https://api.github.com/users/DanielAndreasen/orgs","repos_url":"https://api.github.com/users/DanielAndreasen/repos","events_url":"https://api.github.com/users/DanielAndreasen/events{/privacy}","received_events_url":"https://api.github.com/users/DanielAndreasen/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-04-20T11:59:33Z","updated_at":"2015-04-20T13:31:10Z","closed_at":null,"body":"Hi Jo,\r\n\r\nDid you try to create an interpolated model and compare to the grid point of the model atmospheres. E.g. create a model with `teff=5001`, `logg=4.01`, `metals=0.01` and compare this to the nearest grid point model?\r\n\r\nDo you see any difference at this level?\r\n\r\nCheers,\r\nDaniel"},"comment":{"url":"https://api.github.com/repos/jobovy/apogee/issues/comments/94451315","html_url":"https://github.com/jobovy/apogee/issues/15#issuecomment-94451315","issue_url":"https://api.github.com/repos/jobovy/apogee/issues/15","id":94451315,"user":{"login":"jobovy","id":1044876,"avatar_url":"https://avatars.githubusercontent.com/u/1044876?v=3","gravatar_id":"","url":"https://api.github.com/users/jobovy","html_url":"https://github.com/jobovy","followers_url":"https://api.github.com/users/jobovy/followers","following_url":"https://api.github.com/users/jobovy/following{/other_user}","gists_url":"https://api.github.com/users/jobovy/gists{/gist_id}","starred_url":"https://api.github.com/users/jobovy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jobovy/subscriptions","organizations_url":"https://api.github.com/users/jobovy/orgs","repos_url":"https://api.github.com/users/jobovy/repos","events_url":"https://api.github.com/users/jobovy/events{/privacy}","received_events_url":"https://api.github.com/users/jobovy/received_events","type":"User","site_admin":false},"created_at":"2015-04-20T13:31:10Z","updated_at":"2015-04-20T13:31:10Z","body":"Hi Daniel,\r\n\r\nYes, I've tried this and the differences are typically ~1 - 3 % in the atmospheric parameters (for your example the differences are:\r\n * ``rhox``: 1.7%\r\n * ``Teff``: 0.07%\r\n * ``P``: 1.6%\r\n * ``Ne``: 2.5%\r\n * ``kapp_ross``: 2.7%\r\n\r\nI haven't tried how much of a difference this makes for synthetic spectra, but I would assume it's very small.\r\n\r\nAre you using the code? The Kurucz atmospheres that I use are probably not that easy to find..."}}