#blazar

Daniel Pomarèdepomarede
2025-05-07

NASA’s IXPE Reveals X-ray-Generating Particles in Black Hole Jets

The blazar BL Lacertae,with its jets oriented toward Earth, provided scientists with a unique opportunity to answer a longstanding question: how are X-rays generated in extreme environments like this?

nasa.gov/centers-and-facilitie

2025-02-12

In this case, one possibility is that a very energetic cosmic ray interacted w/the cosmic microwave background [leftover radiation from the #BigBang] & produced this #neutrino. Another is that the particle was created when a “#blazar,” a #galaxy w/a #SupermassiveBlackHole at its center, gobbled up stars. But the debate is only beginning.

Stephanie Wissel, a PennState neutrino physicist, not involved in the research, called it a “knock your socks off” observation & a remarkable stroke of luck.

Daniel Fischercosmos4u@scicomm.xyz
2025-02-07

VERITAS and multiwavelength observations of the #Blazar B3 2247+381 in response to an IceCube neutrino alert: arxiv.org/abs/2502.03853 -> #VERITAS follow-up observations of an #IceCube neutrino alert: icecube.wisc.edu/news/research

Kuuke's Sterrenbeeldenkuuke@mastodon.nl
2025-01-11

Astronomen ontdekken de meest verre bekende blazar

Astronomen hebben een blazer gevonden – een quasar met een jet die langs onze gezichtslijn ligt – met een roodverschuiving van 7. Dit object, VLASS J041009.05-013919.88, is de verste blazar die ooit is geïdentificeerd en biedt een zeldzaam inkijkje in het tijdperk

kuuke.nl/astronomen-ontdekken-

#ActieveGalactischeKern #blazar #quasar #reonisatie #SupermassiefZwartGat #VroegeHeelal #ZwartGat

2025-01-11

Le blazer le plus éloigné jamais identifié offre un aperçu rare de l'époque de la réionisation lorsque l'Univers avait moins de 800 millions d'années
sci.news/astronomy/most-distan
#science #astrophysique #découverte #blazar #quasar #trounoir #Univers #énergie #jet #cosmologie

Massimo LucianiNetMassimo
2024-12-20

Two articles - one published in the journal "Nature Astronomy" and one in "The Astrophysical Journal Letters" - report different aspects of a study of the cataloged as VLASS J041009.05−013919.88, or simply J0410−0139, the most distant found so far. Two teams of researchers used several space and ground-based telescopes and some radio telescopes to obtain detections in various electromagnetic bands.

english.tachyonbeam.com/2024/1

2024-12-18

Curious Universe Video Episode: The Mind-bending Math Inside Black Holes 🛰️

#ACE #Astrophysics #BlackHole #Blazar #Heliophysics #Hinode #Hyperwall #IRISMission

⏩ 2 new pictures and 2 new videos from NASA (SVS) commons.wikimedia.org/wiki/Spe

Curious_Universe_Video_Episode-_The_Mind-bending_Math_Inside_Black_Holes_(SVS14737).jpgHeliophysics_Sentinels_2024_(SVS5443_-_Sentinels2024_NearEarth_GSE_AU_clockSlate_CRTT_HD1080_02400_print).jpgHeliophysics_Sentinels_2024_(SVS5443_-_Sentinels2024_Earth2Voyager_GSE_AU_clockSlate_EarthTarget_HD1080_02300_print).jpgHeliophysics_Sentinels_2024_(SVS5443_-_Sentinels2024_LunarFleet_GSE_AU_clockSlate_CRTT_HD1080_00600_print).jpg
2024-04-01

This is excellent. I finally have a solid convention to follow in my thesis! 😄🐟

arxiv.org/abs/2403.20302

#heap #astrophysics #HighEnergy #agn #blazar #aprilfools #aprilfoolsday

2024-03-04

Blazar – Fatal Cosmic Wound Review

By Thus Spoke

People call funeral doom boring, and I get it. It’s very slow, often very long, not particularly technical, and contains few riffs per minute. Its compositions are not ordinarily gym-friendly, or headbangable. But good funeral doom is good. Crushing, transportive, and at times incredibly beautiful, as the low, slow and leaden is partnered with rising, floaty, ethereal melodies. Think Shape of Despair, Clouds, Esoteric. All this to say, that the best funeral doom is that which balances its punishing heaviness and crawling tempos with clean, graceful melodiousness in order to produce something truly immense. Blazar, Spanish funeral doom/sludge gang have a different philosophy. Cleaving closer to the ‘death’ in death-doom, and eschewing beauty and grace for menace and eerie synth-work, their debut LP Fatal Cosmic Wound aims for massiveness through pure grime. But will it end up vindicating the funeral doom naysayers?

About a month ago, Spectral Voice landed in my hands, and it was a reminder of the terrible, immersive oppressiveness that death doom and its variants can achieve. The proximity of this experience makes for a damning comparison when it comes to Blazar. Fatal Cosmic Wound maintains a gritty production, and an old-school style tone to the guitars, plus some creepy synths, reinforce the overall sludgy, ugly vibes. But despite its greater emphasis on being “mean,” in the surface-level sense, the album rarely comes across as truly heavy. Rather, the plodding tempos and barely-varying riffs melt together with those subtle background synths into anodyne stomping about as deep and dark as a puddle. There are times when Blazar approach that funereal transcendence of elephantine weight (see parts of “Beyond the Event Horizon,” and “Crystalised Oblivion”), but it doesn’t last.

One of the most promising aspects of Fatal Cosmic Wound is its propensity for spookiness. The album begins, ends, and is bisected by short synth instrumentals, and whilst they arguably don’t bring much to the whole, they are pretty unnerving. In fact, opener “Aether” instantly transported me back in time many years to a particular mystery adventure flash game I was once obsessed with,1 with warped, resonant notes and weird popping synth sounds. When Blazar weave these cleaner electronic elements into their grimy doom, it makes for some powerful and powerfully intriguing moments—such as the weird warbling of synth that bubbles up before combining with a strong, mournful refrain on “Crystallised Oblivion,” the pitch-shifting chords that accent the guitar before fading away for stripped-back plucking on the title track, and the unsettling presence of ebbing modular chords as “Forgotten” reaches its denouement. During these moments, and even during the interludes, I feel some of the feelings that the album was intended to invoke—fear, nausea, excitement And even though the synths could have been integrated better into the rest of the music, rather than mostly split between the instrumentals, there is promise and depth here.

The synths and these relatively immersive passages, however, make up but a fraction of Fatal Cosmic Wound’s total length. Though the album itself is a very reasonable—especially for doom—47 minutes long, it drags. This is so particularly in the first half, as, after “Aether” fades away, “Fatal Cosmic Wound” and ” Beyond the Event Horizon” play back-to-back, and they are unfortunately the longest and least dynamic of the four tracks proper. Great doom achieves magnificence through deceptive simplicity, layering and building anticipation to stunning apexes. But there is nothing deceptive about the simplicity here. Songs don’t build so much as maintain a level of density that remains monotone bar a few key changes or minor variations on the same riff pattern, and chord. It’s not jarring so much as frustrating, because while some excellent riff craft does arise from time to time, and while it’s very heavy, when sewn together, the tapestry is too bland to be compelling or oppressive.

If you’re looking to fill three-quarters of an hour with some nasty, downbeat noise, then Fatal Cosmic Wound might be for you, if you like it slow. Doom aficionados could go either way here, and love its grit enough not to be bothered by its uniformity, or be put off by its resolute unchangingness, and yearn for the depth it lacks. I have to say, I’m in the latter camp. For a genre that can reach truly abyssal profundities and cosmic heights, the album remains staunchly at sea level, despite its celestial title. Blazar still have much to prove.

Rating: Disappointing
DR: 6 | Format Reviewed: 320 kbps mp3
Label: Carbonized Records
Websites: Bandcamp | Facebook
Releases Worldwide: March 1st, 2024

#20 #2024 #Blazar #CarbonizedRecords #DoomMetal #FatalCosmicWound #FuneralDoom #Mar24 #Review #Reviews #SludgeMetal #SpanishMetal

2023-12-28

Sempre su OP 313, l'#AGN più lontano finora osservato alle altissime energie (> 100 GeV).

#astrofisica #blazar #CTA #quasar

media.inaf.it/2023/12/27/lst-1

"Astronomen beobachten die Entstehung eines starken kosmischen Jets

Ein Radioteleskop, größer als die Erde, entdeckt einen Plasmastrang im Universum. Eine Pressemeldung des Max-Planck-Instituts für Radioastronomie, Bonn."

raumfahrer.net/astronomen-beob

26.10.2023

#Astronomie #3C279 #Blazar #EHT #EVN #GMVA #Interferometrie #Jet #MPIfR #Quasar #RadioAstron #Radioastronomie #Roskosmos #SpektrR #VLBI

Fiona Grahame Orkney News Ltdfionaorkneynews@mastodon.scot
2023-08-30

"First Wave, the first episode of Blazar feels very much like a Kaiju movie (giant monster movie, think Godzilla) compressed into a single 20 minute episode, cutting out the whole is the giant monster real bits and skipping right to the city destruction! "
#Blazar #Ultraman #review
theorkneynews.scot/2023/08/30/

2023-08-18

Un #blazar es un objeto astronómico muy peculiar, mezcla de cuásar y agujero negro. Ahí tienes energía a saco.
Pues el blazar S5 0014+81 (en la constelación de Cefeo) está a 12.000 millones de años luz de nosotros, aquí al lado.
Pero lo realmente impresionante son sus datos:
- Su diámetro mide 240.000 millones de kms.
- Su masa es de 40.000 millones de masas solares.
- Emite energía equivalente a 25.000 veces la luminosidad de toda la Vía Láctea.
Pero así leído no te lo imaginas, a ver qué tal con esta imagen...
#astronomía #agujerosnegros #víaláctea #datocurioso

Las descomunales dimensiones de este monstruo son evidentes en este gráfico. Nuestro sistema solar casi ni se puede apreciar en el centro de S5 0014+81. Su diámetro estaría en torno a las 1600 UAs (1 UA = 150 millones de km), mientras que el de nuestro Sistema Solar es de aproximadamente 80 UAs.
2023-08-09

A week or so behind on #ultraman #blazar but Episode 4 is seriously top tier #tokusatsu .

The choreography at both kaiju level and the ground fights are fantastic, Emi was the star of the show for sure. The show's really selling how professional this crew is, and their various strengths/abilities.

The kaiju this week is actually real gross and the suit itself is very unique. Same vibes as fighting Khezu in #monsterhunter . Great power set and visuals.

Moving right on to Ep 5 but I love this one, possibly the best so far.

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