#spectrograph

Daniel Fischercosmos4u@scicomm.xyz
2025-09-16

Another fun slide at the #ag2025goerlitz awards ceremonies by Frank Grupp of LMU who is honored - physik.lmu.de/de/aktuelles/new - by the @GermanAstroSoc for a major contribution to the #Euclid space observatory. Here he shows a star #spectrograph he built as a school project in the 1980s.

Grupp's opening slide
Gabor Hejagheja
2025-01-12

The web based analyzer for the spectrometer is coming together, although I still have to figure out a few things. This screencapture shows a few of the features, but nothing serious, just sliding the sliders and buttoning the buttons, then cycling through a few colors on the lamp in front of the phone.

It's still WIP but you can try it here: gheja.github.io/spectro-web/sr

Gabor Hejagheja
2025-01-08

I started to work on a mini pocket spectrograph, the 3D model will be available for download, I just need to tune a few things.

I am also working on a little web based stuff to make sense of the things seen, strictly locally in the browser, on the client side.

It's a fun random side project, though I already bought about 8 different light bulbs just to see their spectrum...

The spectrograph, 3D printed, before painting.The spectrograph painted black, assembled.A photo of the spectrum of an RGB LED lamp set to about warm white light, seen through my spectrograph.
2024-07-02

Spent a few hours at the Seattle Pinball Museum today. A great time as always. I made another field recording, and noticed again this constant pair of lines on the spectrogram at around 15.5k and just under 16k. I wonder what causes it? soundcloud.com/matthew-m-conro #fieldRecording #pinball #sound #spectrogram #spectrograph

A gray-scale spectrogram of a noisy pinball museum recording showing lines at around 15.5 khz and 16 khz.
2024-06-07

[#Life in the Universe ... and much more] A new-generation #spectrograph called #ANDES will soon be installed on the #ESO's #ELT (Extremely Large Telescope).

Objectives: to analyze the atmosphere of Earth-like #exoplanets in search of signs of life, to analyze the chemical composition of distant objects in the young #Universe, to measure the acceleration of the #expansion of the Universe, and more.

A revolutionary instrument, to be discovered here: irap.omp.eu/en/2024/06/eso-sig

This artist’s rendering of the ESO’s Extremely Large Telescope in operation on Cerro Armazones in northern Chile. Credit: ESO
Bibiana Prinoth (moved!)bibianaprinoth@astrodon.social
2024-03-16

Let‘s get this party started. After a wonderful welcome by @astrokiwi , we continue with Debra Fischer.

This is maybe a bit of a reminder that our field is very young and has come a far way in a short period of time!

A shout-out to the #HAPRS #spectrograph setting a new standard back in the days 🥹

And well, then #Kepler happened, so the Doppler community had to give the stage to #transits! 🤩

#ExSSV

2023-07-02

Hi folks! We're a novel type of EUV integral field #spectrograph launching on a #SoundingRocket from Poker Flat Research Range in March 2024!
We're part of a flare observation campaign with the Foxi 4 rocket
and the Hi-C sounding rocket.
We do #SolarPhysics and #Heliophysics #Research, as well as #AerospaceEngineering

Bibiana Prinoth (moved!)bibianaprinoth@astrodon.social
2023-03-21

Better sharing this late than never 🤭

I'm happy to announce that I've been awarded a one-year #ESO studentship to work with Elyar Sedaghati and @JuliaVSeidel on #ESPRESSO 🔭

See you in August, #Chile! 🇨🇱❤️

#phd #phdjourney #studentship #chile #observation #telescope #spectrograph #news #project #thesis

A. Suárez Mascareñoasmasca@astrodon.social
2022-11-27

This his how a high resolution #spectrograph, designed for #exoplanets studies, looks from the outside. A big chamber, with isolation layers, tubes and warning signs #AstronomerLife #astronomy #NIRPS

Front view of the NIRPS vacuum chamberBack view of the NIRPS vacuum chamberSet of optical fibers and fiber stretchers with a warning sign
Dr. Alexandre Santerne 🌍AlexSanterne@astrodon.social
2022-11-14

#ELODIE is a #spectrograph that was able to measure the radial velocity of #stars via the #Doppler effect with a precision down to about 10m/s.

It is actually the successor of the #CORAVEL spectrograph with which Michel Mayor & Antoine Duquennoy studied the population of binary stars in the #solar neighborhood. #CORAVEL had a precision down to about 300m/s which is not enough to discover (most) exoplanets.

#ELODIE is thus a super coravel.

Label of the ELODIE spectrograph, aka supercoravel.

credits: OHP-CNRS

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