UmbralRaptor changed the topic of #kspacademia to: https://gist.github.com/pdn4kd/164b9b85435d87afbec0c3a7e69d3e6d | Dogs are cats. Spiders are cat interferometers. | Космизм сегодня! | Document well, for tomorrow you may get mauled by a ネコバス. | <UmbralRaptor> egg|nomz|egg: generally if your eyes are dewing over, that's not the weather. | <ferram4> I shall beat my problems to death with an engineer. | We can haz pdf
* raptop stares at 米国
<raptop> I could understand if we were called メイズ国 or something, but *rice*?
<egg|anbo|egg> iximeow: https://twitter.com/iximeow/status/1274128192203190274 mine does that often
<kmath> <iximeow> the cat .. she's just sitting there .. purring at me
<iximeow> meow
<egg|anbo|egg> and apparently in zh it comes from ja https://en.wiktionary.org/wiki/%E7%B1%B3%E5%9C%8B#Etymology_1
<egg|anbo|egg> right but the normal term has a similar etymology independently https://en.wiktionary.org/wiki/%E7%BE%8E%E5%9C%8B#Chinese
<egg|anbo|egg> and similarly in viet https://vi.wiktionary.org/wiki/M%E1%BB%B9#Ti%E1%BA%BFng_Vi%E1%BB%87t
<SnoopJeDi> oh yea this is a fun one
<raptop> iximeow: I mean, sometimes cats just like hanging out with their humans
<iximeow> raptop: as soon as i stood up she did a big meow and started going up the stairs
<iximeow> turning every few steps to make sure i was following
<raptop> hrm
<iximeow> as she lead me to the yummy food
<raptop> ...her food, or yours?
* iximeow meows
<raptop> oh
<raptop> egg|anbo|egg: not sure what's going on with the viet one
<egg|anbo|egg> same thing
<egg|anbo|egg> Mỹ, from A Mỹ Lợi Gia
<egg|anbo|egg> in CJKV ideographs, 美, from 亞美利加
<raptop> ah
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<egg|anbo|egg> !choose sleep|don’t
<galois> egg|anbo|egg: Your options: sleep, don’t. My choice: sleep
<egg|anbo|egg> ;choose sleep|don’t
<kmath> egg|anbo|egg: sleep
<egg|anbo|egg> ok fine
<raptop> You should sleep
<SnoopJeDi> +1
<egg|anbo|egg> hmm I am bad at that apparently
* raptop wouldn't be surprised if everyone in this channel is bad at sleep
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<WeylandsWings> raptop: what is sleep
<raptop> WeylandsWings: you know that thing that happens about 1/3 of the time where you're paralyzed and often having very vivid and interactive hallucinations?
<WeylandsWings> 1/3 of the time is a stretch and what are those vivid and interactive things you talk about
<WeylandsWings> like seriously i think i am in a very small minority, but i am lucky if i remember a dream every like year or so
<raptop> hrm
<SnoopJeDi> I used to be like that and started having more
<SnoopJeDi> freewriting each morning probably helped me learn how to boot my brain a little quicker and I suspect that might be why
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<raptop> cc: egg
<raptop> photons collected: ~400 million
<raptop> huh, x-ray telescope at L2
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<_whitenotifier-d13c> [Principia] pleroy tagged d40990a as 2020062107-Galileo https://git.io/JfbKw
<_whitenotifier-d13c> [Principia] pleroy created tag 2020062107-Galileo - https://git.io/fpDwq
<_whitenotifier-d13c> [Principia] pleroy commented on issue #2562: KSP 1.8.1 - Aerodynamic issue with Principia and FAR - https://git.io/Jfb6y
<_whitenotifier-d13c> [Principia] pleroy deleted tag 2020062107-Galileo - https://git.io/fpDwq
<_whitenotifier-d13c> [Principia] pleroy deleted tag 2020062107-Galileo
<_whitenotifier-d13c> [Principia] pleroy tagged d40990a as 2020062107-Galileo https://git.io/JfbKw
<_whitenotifier-d13c> [Principia] pleroy created tag 2020062107-Galileo - https://git.io/fpDwq
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<WeylandsWings> UmbralRaptor: a thought i had last night before sleep happened, how do RV astronomers take out the effects of the earths movement around the sun and the suns movement relative to the star they are trying to get a measurement from?
<_whitenotifier-d13c> [Principia] eggrobin opened pull request #2606: Deprecate 1.7.3. - https://git.io/JfbSl
<_whitenotifier-d13c> [Principia] pleroy labeled pull request #2606: Deprecate 1.7.3. - https://git.io/JfbSl
<_whitenotifier-d13c> [Principia] Pending. Build queued… - 
<_whitenotifier-d13c> [Principia] Pending. Building… - http://casanova.westeurope.cloudapp.azure.com:8080/job/Principia/4343/
<_whitenotifier-d13c> [Principia] Success. Build finished. - http://casanova.westeurope.cloudapp.azure.com:8080/job/Principia/4343/
<_whitenotifier-d13c> [Principia] pleroy closed pull request #2606: Deprecate 1.7.3. - https://git.io/JfbSl
<_whitenotifier-d13c> [Principia] pleroy pushed 2 commits to master [+0/-0/±2] https://git.io/Jfb9K
<_whitenotifier-d13c> [Principia] eggrobin 177cb24 - Deprecate 1.7.3.
<_whitenotifier-d13c> [Principia] pleroy 5fa2cec - Merge pull request #2606 from eggrobin/deprecate-1-7-3 Deprecate 1.7.3.
<_whitenotifier-d13c> [Principia] pleroy deleted tag 2020062107-Galileo
<_whitenotifier-d13c> [Principia] pleroy deleted tag 2020062107-Galileo - https://git.io/fpDwq
<_whitenotifier-d13c> [Principia] pleroy tagged 5fa2cec as 2020062107-Galileo https://git.io/Jfb9Q
<_whitenotifier-d13c> [Principia] pleroy created tag 2020062107-Galileo - https://git.io/fpDwq
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<egg|anbo|egg_> !wpn whitequark
* galois gives whitequark a ruthenium parabola
<egg|anbo|egg_> hm, what is the reflectivity of ruthenium in various wavelengths
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<_whitenotifier-d13c> [Principia] eggrobin opened issue #2607: Parachuting Kerbals behave unphysically in Fuchs - https://git.io/Jfb53
<_whitenotifier-d13c> [Principia] eggrobin labeled issue #2607: Parachuting Kerbals behave unphysically in Fuchs - https://git.io/Jfb53
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<_whitenotifier-d13c> [Principia] DarthPointer commented on issue #2607: Parachuting Kerbals behave unphysically in Fuchs - https://git.io/Jfb52
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<_whitenotifier-d13c> [Principia] DarthPointer edited a comment on issue #2607: Parachuting Kerbals behave unphysically in Fuchs - https://git.io/Jfb52
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<_whitenotifier-d13c> [Principia] eggrobin commented on issue #2562: KSP 1.8.1 - Aerodynamic issue with Principia and FAR - https://git.io/Jfbdc
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<_whitenotifier-d13c> [Principia] DarthPointer opened issue #2608: Trajectory plotting independent from navball mode. - https://git.io/JfbFS
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<raptop> hrm
<WeylandsWings> raptop: did you see my question about RV stuff?
<raptop> WeylandsWings: I did not
<WeylandsWings> a thought i had last night before sleep happened, how do RV astronomers take out the effects of the earths movement around the sun and the suns movement relative to the star they are trying to get a measurement from?
<raptop> I'd want to grep data reduction pipelines for "barycentric corrections" (that's the standard term)
<raptop> Earth's movement is well known (but gets annoying for longer exposures, since it apparently changes meaningfully over the course of a night)
<raptop> Similiarly, the rough RVs of these stars are well known, and for planets we're looking for a change rather than that constant
<raptop> (I guess not similiarly beyond often being well known)
<WeylandsWings> I guess i didnt think that you were only looking for the change
<WeylandsWings> also how does it work when the plane of the exoplanets orbit around the star is perpendicular to the imager? wouldnt there not be a shift in the spectral lines because the relative motion wouldnt be towards/away from the the imager? or do i miss understand RV stuff?
<raptop> It's of value for seperating stellar (and, er, planetary lines for transit spectroscopy) from telluric ones (and gas cell lines), but...
<raptop> Uh, you're correct. The RV method cannot find face-on orbits.
<raptop> But then, neither can the transit method, and any orbit within 60 degrees of edge-on has >50% signal strength
<WeylandsWings> and transit cant find face on orbits either (as there is no transit), therefore wouldnt the only way of detecting be direct imaging?
<raptop> Or astrometry
<WeylandsWings> raptop: by that you mean looking for the orbit of the star around the systems barycenter?
* raptop stabs Peter van de Kamp's ghost
<raptop> WeylandsWings: yep!
<WeylandsWings> that sounds even harder than direct imaging
<raptop> IIRC, astrometry has found one (1) planet, but helped to constrain the orbits and masses for at least a dozen
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<raptop> Supposedly Gaia will at some point find a bunch of vaguely distant giant planets via astrometry. Though more various m-dwarfs that have been missed
<WeylandsWings> could datamining other sources like TESS or kepler help astronometry or is their resolution not fine enough
<raptop> TESS' pixels are definitely too low resolution. (Like, there's a lot of ground based follow-up that finds things like blends and background egglipsing binaries)
* raptop blinks
<raptop> "Each camera forms a 24x24 un-vignetted image on the detector in its focal plane. The lens assemblies were designed for consistent image spot size across the field-of-view (FOV) and to produce undersampled images similar to Kepler. Operating at nominal focus and a flight temperature of -75 degrees C, the 50% ensquared-energy half-width is 15 micron averaged over the FOV. This corresponds to 1 detector
<raptop> pixel or 21 arcseconds (approx. 0.35 arcmin) on sky."
<WeylandsWings> what is Gaias IFOV
<raptop> Gaia (like Hipparcos) does weird stuff where it's imaging, but not really
<raptop> ...unsure beyond it has to telescoeps and does some odd comparison thing
<egg|anbo|egg> happy solstice
<egg|anbo|egg> (4 min ago)
<egg|anbo|egg> (well 3)
<UmbralRaptor> maximum eggsposure to the evil daystar
* raptop pokes raptop in the motivation
* egg|anbo|egg pokes the cat in the cat
<_whitenotifier-d13c> [Principia] pleroy pushed 1 commit to master [+0/-0/±1] https://git.io/Jfbjy
<_whitenotifier-d13c> [Principia] pleroy 5bd7358 - Announcing Galileo.
<raptop> !8 Will the cat turn into a cat?
<galois> raptop: no
<_whitenotifier-d13c> [Principia] DarthPointer edited issue #2608: Make navball+trajectory plotting frame different combinations possible - https://git.io/JfbFS