#syb does cosmo

[sybilius]

me at our weekly paper discussion: what is [quantity]

the tenured prof giving the talk: well most people saw [quantity] in a stellar physics class but it's [long, rambling 4 minute explanation that I wouldn't have remembered even if I took the course]

me, after listening to the rest of the talk: ok so I'm in physics and not astrophysics so this might be a basic question, but can you clarify how this figure works, like did they fit it to data or

tenured prof: uhh I guess maybe not sure tbh

#tenured profs do the worst paper talks for real #they skim everything and can't answer basically any question #syb does cosmo #bitching #we eventually got a satisfactory answer but bro........

[fire-tempers-steel]

New followers: I actually am a working cosmologist/PhD student in physics, so I will occasionally reblog science mutterings from main under the tag “physiku” or “syb does cosmo”

#personal #syb does cosmo #weird to prolifigate it on both blogs but it's on brand

[sybilius]

I arrive at Cosmology graduate school

undegraduate: graduated

knowledge of astronomy: vague

brain: debatably out

#dick out meme #syb does cosmo #shitposting

[sybilius]

lord deliver me from Matlab. 

#shitpost #i just. i work in python why do i gotta do this #personal #syb does cosmo

[sybilius]

Not to brag but holy shit my meeting mojo has gotten good

#like I just Know how to get useflu infomration out of my supervisor and postdoc now #at fucking last #personal #academia #syb does cosmo

[sybilius]

I think my talk is going to go okay though. Speaking of which if you're a Treasured Mutual (TM) and want to see me talk about cosmology tonight at 7PM EST in a professional capacity, DM me and I will send you the link.

#personal #am chill now #syb does cosmo

[sybilius]

#ugh #graduate schoole #syb does cosmo #personal

[sybilius]

ffs

#venting #syb does cosmo #why must a figure always be a chore #i have this in a 4 panel version and it looks gorgeous

[sybilius]

@girlfriendsofthegalaxy​ i was looking at observation for like, quals reasons and RIP 2 observers the atmosphere sure is a bitch huh

#the graph is like...the shaded areas are stuff we cannot observe becasue it is absorbed by atmopsphere #we really got like. radio . a little IR as a treat #a TINY bit of gamma as a treat #and optical i guess #syb does cosmo #physiku

[sybilius]

fucking hate debugging slow-running code. There is nothing worse. 

- it runs fine when smaller

-when I try to optimize it it does weird shit

-ughughughugh

#there is absolutely a problem and it takes me about a few minutes to even see the results of a fix #i need to get better at debugging sigh #fortran90 #personal #graduate school #physiku #syb does cosmo

[sybilius]

Every so often I have to remind myself that the reason I find concepts of photometric redshift and spectroscopic redshift easy is I took a degree. I did a degree. I was good at these things!!!!

#this sounds like a brag but I stg grad school is just feeling stupid 24/7 #and then you occasionally get a reminder that you Know Things #and you're like #ohhhhh right. I know things. riiiiight #syb does cosmo #personal

[sybilius]

Just had two of the best paper-reading feelings:

1. “oh, thank god, their citations list has links to pdfs of their cited papers”

2. hey! hey I know how to read that figure because of a class I took! nice

#i mean arguably i understnad everything due to classes ive taken #it is weird how much it doesn't feel that way #physiku #personal #syb does cosmo

[sybilius]

me, considering giving a talk: I should check the wikipedia page for this concept

me: 

me: oh right I wrote that page

#good job past me very helpful #syb does cosmo

[sybilius]

🌻 :)

The first run of any presentation I do (WHICH IS THE NOWWWW) always involves me stopping the presentation every 5 minutes to go “ahhh ahhhh ahhhhhhhh” 

here I am, “aaaah aaaahhhhh aahhhhh”

anyways here’s a plot of the matter density of the universe from an N-body simulation with large clumps of dark matter (stand-in for galaxies) plotted as stars:

#me: panics because what the FUCK is bias for real #syb does cosmo #physiku #personal #asks #random asks #intpdreamer

[sybilius]

🌻! (Physics complaint?)

oh BOY A REQUEST FOR PHYSICS COMPLAINTS

hmmMMMM my pet peeve today is a bit of personal shortcoming in progress mood combined with quals anxiety.

I presented this paper today at the astrophysics chat-- astrophysics, being not cosmologist. Since they were non-subfielders it was cool cause I could field a lot of their questions quite easily. nice feeling. 

The same paper was presented by someone who is not me at the weekly cosmology lunch -- they did a great job but because yanno, it’s a paper to the experts, well the experts tend to be skeptical/know what the heck these things can and cannot be used for. So as usual I was left feeling sort of like “ah, fuck man, I wish I knew 2 decades worth of knowledge of the field so I could have such a perspective.

On the plus side though I did find out what the “1-halo” and “2-halo” contributions to the matter power spectrum are so that is pretty cash money.  

#random asks #asks #physiku #syb does cosmo #graduate school personal #old-man-dio

[sybilius]

finally understanding the fucking CMB angular power spectrum and wow. like wow this is really beautiful  and a big deal. damn. 

#bless wayne hu #physiku #personal #syb does cosmo