Drievoudig systeem van actieve galactische kernen gevonden
Een zeldzaam trio van samensmeltende sterrenstelsels, J121/1219+1035 genaamd, herbergt drie actief materie aantrekkende, radioheldere supermassieve zwarte gaten, aldus een team
#ActieveGalactischeKern #radiosignaal #SupermassiefZwartGat #vla #vlba #ZwartGat
https://www.kuuke.nl/drievoudig-systeem-van-actieve-galactische-kernen-gevonden/

Major upgrade to the NRAO Very Long Baseline Array promises to significantly expand its scientific capabilities

https://public.nrao.edu/news/nrao-to-outfit-the-vlba-with-new-ultra-wideband-receivers/

#radioastronomy #nrao #vlba #astronomy #astrophysics #astrodon #science #news

#MPIfR:
"
Astronomen entdecken das „Auge von Sauron“ im Weltraum

Ein langjähriges Rätsel um extreme Blazare kann gelöst werden
"
https://www.mpifr-bonn.mpg.de/pressemeldungen/2025/5

12.8.2025

#Astronomie #Astrophysik #AugeVonSauron #Blazar #Gammastrahlung #IceCube #Jet #MOJAVE #Neutrino #PKS1424+240 #Radioastronomie #Radiojet #Radioteleskop #VLBA

The “Eye of Sauron” spotted in deep space

👁️ Okay, so the plasma jet in the blazar PKS 1424+240 isn't on a tower in Mordor, and it's not the fire-rimmed eye of a powerful tyrant. But if you don't think of Sauron's eye when you see the image released today, throw the first ring.

📡 Behind this deep image of the jet at unparalleled resolution are 15 years of ultra-precise radio observations with the Very Long Baseline Array (VLBA) and an international research team.

Curious? Please take a look at our latest press release:
👉 https://www.mpifr-bonn.mpg.de/pressreleases/2025/5

#blazar #radioastronomy #universe #vlba #gammarays #neutrinos

Credits: Y.Y. Kovalev et al.

Das „Auge von Sauron“ im Weltraum entdeckt!

👁️ Zugegeben, der Plasmastrahl im Blazar PKS 1424+240 befindet ich nicht auf einem Turm in Mordor und es handelt sich auch nicht um ein von Feuer umrandetes Sehorgan eines mächtigen Herrschers. Doch wer bei dem heute veröffentlichten Bild nicht an Saurons Auge denken muss, der werfe den ersten Ring.

📡 Hinter diesem detaillierten Bild des Jets mit der bislang besten Auflösung stecken 15 Jahre ultrapräziser Radiobeobachtungen mit dem Very Long Baseline Array (VLBA) und ein internationales Forschungsteam.

Mehr mehr erfahren möchte, kann gerne einen Blick in unsere aktuelle Pressemitteilung werfen:
👉 https://www.mpifr-bonn.mpg.de/pressemeldungen/2025/5

#blazar #radioastronomie #weltraum #vlba #gammastrahlen #neutrinos

Credits: Y.Y. Kovalev et al.

Space Company Taps Coast-to-Coast Radio Telescopes for Moon Mission

https://fed.brid.gy/r/https://aui.edu/space-company-taps-coast-to-coast-radio-telescopes-for-moon-mission/

Today I used a phrase to describe the #VLA, #VLBA and #GBT that distilled what these instruments are for me in a new way, "vast engines of discovery". It is bouncing around in my head tonight like a song I can't get rid of, and I am grateful to have stood in their shadows.

Cleaned out my work office as I'm working from home for a while, these are souvenirs dating from my time as a #vlba correlator operator, '94-98. These days they use disk packs, once they retired the tape drives I kept these two for the feels.

A squabbling ape took a pile of dirt and made it into a machine that talks to us from between the stars.
---
RT @Rainmaker1973
NASA Voyager 1 is now at 23,837,974,000 km of distance from Earth and we can't see it.

However, its radio signal can be seen. This is how @TheNRAO #VLBA saw it exactly 10 years ago #Today

[read more: http://go.nasa.gov/1T0f1zz]
https://twitter.com/Rainmaker1973/status/1628003147078672387

Don't forget: tomorrow, 1 February, is the deadline for the #NRAO
Semester 2023B Call for Proposals! If you want time on the #VLA or the #VLBA, get your proposals in by 22:00 UT (5pm ET).

I get an email every time a proposal comes in, so I'm expecting a full inbox tomorrow!

#Astronomy #Astrodon #RadioAstronomy

https://science.nrao.edu/observing/call-for-proposals/2023b

#astronomy #Moon #TychoCrater #radar #VLBA

A new image of Tycho's crater on the Moon is the most detailed yet captured from Earth.

https://english.tachyonbeam.com/2023/01/17/tycho-crater-on-the-moon-in-the-most-detailed-image-captured-from-earth-so-far/

De meest gedetailleerde opnames van de Maan vanaf de Aarde

Onze radarsystemen voor planetaire verdediging staan op het punt om veel, veel sterker te worden.

https://www.kuuke.nl/de-meest-gedetailleerde-opnames-van-de-maan-vanaf-de-aarde/

#astronomie #maan #tycho #radar #VLBA #greenbank

The inner structure of the jet of the nearby #quasar 3C 273 – the region where the jet is shaped – is revealed by very long baseline interferometry (#VLBI) observations at 3mm with #ALMA, and the Global Millimetre VLBI Array (#GMVA, consisting of the US Very Long Baseline Array (#VLBA) and European #telescopes).

#Astronomy #Astrodon

ALMA: Astronomers Observed the Innermost Structure of a Quasar Jet – ALMA Observatory

http://www.almaobservatory.org/astronomers-observed-the-innermost-structure-of-a-quasar-jet/