<UmbralRaptor>
The outer diameter of the ring is 50 μarcsec
<UmbralRaptor>
(might be closer to 40)
<UmbralRaptor>
Or, 1000x smaller than a pixel on HST
<Tank2333>
uh
<Tank2333>
now im impressed
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<UmbralRaptor>
Yeah, it's blurry because we're working right at the limits of what's possible, and even getting this involved a few decades of pushing advances in VLBI and millimeter radio astronomy!
<UmbralRaptor>
(Incidentally, the team published six papers today. All are open access.)
<taniwha>
that shot is better than my best shot of Saturn
<taniwha>
(420mm on micro-4/3)
<taniwha>
and considering that black hole (sag-a?) is significantly further than saturn...
<UmbralRaptor>
Amusingly, GRMHD shows up a lot in the papers.
<UmbralRaptor>
M87*. Apparently Sgr A* was way harder, so they don't have pics yet >_>
<Tank2333>
so the black shadow is the event horizon and the disk around is bend light from the acrederatation thingy?
<taniwha>
yeah, followed your iop link and then googled
<taniwha>
virgo A
<taniwha>
ok, even further than sag-a
<taniwha>
so yeah, impressive
<Tank2333>
55million km or so
<Tank2333>
lightyears
<Tank2333>
lol
<taniwha>
yeah, 55million km is 1/3 of the distance to the sun
<Tank2333>
yeah :)
<taniwha>
a slight rounding error, there ;)
<UmbralRaptor>
only slight
<taniwha>
hmm, seeing Mpc makes me want to read the Wrinkle in Time series again
<taniwha>
(where I first heard of both parsec and megaparsec)
<UmbralRaptor>
huh
<taniwha>
also where I first heard of a tesseract
<Tank2333>
isnt parsec like the distance in angle between celestial bodys or something odd like that?
<taniwha>
it's 3.27 or so lightyears
<UmbralRaptor>
^
<taniwha>
but based on 1 arc second of parallax from earth's orbit
<Tank2333>
ah yeah
<Tank2333>
hm
<UmbralRaptor>
Or, 1/parallax angle as measured from earth in arcseconds
<taniwha>
oh, and duh, first heard of parsec in starwars
<UmbralRaptor>
hah
<taniwha>
"kessel run in 12 parsecs"
<taniwha>
but then finding that parsec was distance, got terribly confused
<taniwha>
(hey, I was 7 when I first saw star wars)
<taniwha>
11 when I read WIT
<taniwha>
maybe 12
<Tank2333>
same with scifi lightyears
<taniwha>
anyway, I later read somewhere that the kessel run involves a lot of black holes and other dangerous objects, so doing it in 12 parsecs meant getting dangerously close to things
<taniwha>
I've never encountered scifi using lightyears incorrectly
<Tank2333>
Han solo did the kessel run in SOLO
<taniwha>
(maybe compressing the distances, but light<timeperiod> was always distance
<Tank2333>
i just have a faint memory of being annoyed by a movie/show using it for time
<Tank2333>
maybe its just the "lightyears ahead"
<taniwha>
time ahead/distance ahead... same thing, really
<UmbralRaptor>
^
<Tank2333>
well
<taniwha>
if you can, find that movie and double check the context
<Tank2333>
"tesla is lightyears ahead in reusable rocketry"
<taniwha>
distance
<Tank2333>
damn you are right...
<darsie>
I thought Tesla was on Earth.
<darsie>
Earth takes 10,065 years to travel one lightyear around the sun.
<darsie>
Wait, a Tesla in space doesn't mean it's a rocket company.
<Tank2333>
just cahnge tesla for "Elon musk company"
<Tank2333>
i cant seperate them in my head
<Tank2333>
im also tired from work
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<Scolar_Visari>
Sons and daughters of Kerbin: Did you know that black holes are actually prisons for star vampyres?
<Scolar_Visari>
Huh, don't believe I actually have this one.
<Rolf>
Sorry. I don't have any crashes to share. Lucky for me, I don't crash! My son says that a crash landing is still a landing. Therefore, I have nothing but landings! :p I will admit that some landings require more repair than others, though...:sneaky::p lol
<Fluburtur>
you know, as long as the plane can still fly
<Fluburtur>
I crashed a wing once and it snapped in half, it was only held up by a bit of tape so if I pitched down it would fold
<packbart>
"Fix bug where symmetry would break animations on some parts." - I wonder if this fixes a problem with scripting I had. That would be nice :)
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<UmbralRaptor>
なに？
<UmbralRaptor>
hrm, I don't seem to have a proper IME for that keyboard.
<kubi>
!!!!1.7!!!!
<kubi>
just one day I look away
<Althego>
omae wa mou shindeiru
<Althego>
i dont have ime either. i asked my bot to convert latin to kana for me :)
<Althego>
heh i thought 1.7 should have been out already, and i was loking for days and nothing happened
<Althego>
so i gave up
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<Althego>
anybody knows how i can combine delegate_to with wait_for_connection in a way that i can specify user name too?
<Althego>
in ansible
<Rokker>
UmbralRaptor: which is the more important story. the black hole or the effectiveness of this interferometry
<Althego>
or maybe it doesnt even need the user, but then i wonder why it failed
<UmbralRaptor>
Rokker: really, other depends on what you want to focus on?
<UmbralRaptor>
There's an argument to be made that the interferometer is more important right now, but in a few more years, the black hole(s) will be.
<UmbralRaptor>
Compare with LIGO?
<Althego>
what do you want to do with the black holes?
<Althego>
1. build huge interferometer 2. take picture of black hole 3. ??? 4. profit
<Althego>
probably because of the delegate it wanted to log in, and then wait for a connection, which is stupid since to log in it already needs it
<Althego>
probably i can turn it into a simple port check or a normal shell command
<UmbralRaptor>
Mass measurement via the shadow and photon ring sizes, features of the inner accretion disk (rotation speed, direction, other weird things since you're doing relativistic magnetohydrodynamics)
<Althego>
hehe relativistic magnetohydrodynamics soounds like a nightmare