{"action":"created","issue":{"url":"https://api.github.com/repos/open-gamma-ray-astro/gamma-astro-data-formats/issues/61","repository_url":"https://api.github.com/repos/open-gamma-ray-astro/gamma-astro-data-formats","labels_url":"https://api.github.com/repos/open-gamma-ray-astro/gamma-astro-data-formats/issues/61/labels{/name}","comments_url":"https://api.github.com/repos/open-gamma-ray-astro/gamma-astro-data-formats/issues/61/comments","events_url":"https://api.github.com/repos/open-gamma-ray-astro/gamma-astro-data-formats/issues/61/events","html_url":"https://github.com/open-gamma-ray-astro/gamma-astro-data-formats/pull/61","id":159587548,"number":61,"title":"Add light curve spec (a first 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PR adds a first draft for a lightcurve spec.\r\n(Related: #22)\r\n\r\nI've started to write this up because @cnachi and @helen-poon are starting to work on time analysis methods in Gammapy (see https://github.com/gammapy/gammapy/pull/564) and we need to have some I/O format for simple light curves.\r\n\r\nMy proposal here is that we start with something small, as simple as possible, and merge this very soon.\r\nThen people working on lightcurves can extend and change the format over the coming months as use cases are implemented and a good data model / format emerges.\r\n\r\n@zblz @jknodlseder @woodmd, all - can you please have a look today?\r\n\r\nEDIT: I added a task list for myself to keep track of action items based on discussion below:\r\n\r\n- [ ] Add script to produce examples files (and commit example files)\r\n- [ ] Mention that this can be stored in FITS, but also e.g. ECSV\r\n- [ ] Change time scale from TT to UTC\r\n- [ ] Add assumed spectral index header key?"},"comment":{"url":"https://api.github.com/repos/open-gamma-ray-astro/gamma-astro-data-formats/issues/comments/225136246","html_url":"https://github.com/open-gamma-ray-astro/gamma-astro-data-formats/pull/61#issuecomment-225136246","issue_url":"https://api.github.com/repos/open-gamma-ray-astro/gamma-astro-data-formats/issues/61","id":225136246,"user":{"login":"cdeil","id":852409,"avatar_url":"https://avatars.githubusercontent.com/u/852409?v=3","gravatar_id":"","url":"https://api.github.com/users/cdeil","html_url":"https://github.com/cdeil","followers_url":"https://api.github.com/users/cdeil/followers","following_url":"https://api.github.com/users/cdeil/following{/other_user}","gists_url":"https://api.github.com/users/cdeil/gists{/gist_id}","starred_url":"https://api.github.com/users/cdeil/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cdeil/subscriptions","organizations_url":"https://api.github.com/users/cdeil/orgs","repos_url":"https://api.github.com/users/cdeil/repos","events_url":"https://api.github.com/users/cdeil/events{/privacy}","received_events_url":"https://api.github.com/users/cdeil/received_events","type":"User","site_admin":false},"created_at":"2016-06-10T09:27:49Z","updated_at":"2016-06-10T09:27:49Z","body":"> Do we want to cover lower-energy lightcurves? \r\n\r\nI'd say yes, it's a goal to try to support that as well.\r\nBut the primary goal are gamma-ray light curves.\r\nSo I would try to make the format such that it just works for lower-energy light curves where possible, but not extend it with other domain-specific info or common things (like wavelength or frequency columns instead of energy, or optical bandpass information in the FITS header, ...).\r\n\r\n> Allowed unit should then include, e.g., erg/cm2/s or Jy.\r\n\r\nYes, they should.\r\nI'll add some more info concerning allowed units in the next update.\r\n\r\n"}}
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