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Top News In அனைத்தும் வானம் தானியங்கி கணக்கெடுப்பு Today - Breaking & Trending Today

Astronomers discover a 'changing-look' blazar

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IMAGE: Sloan Digital Sky Survey archival image from March 2004 (top) and the image from the authors observation campaign of the blazar, B2 1420+32, taken in January 2020 using ASAS-SN (bottom)..
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Credit: Sloan Digital Sky Survey archival image from March 2004 (top) and the image from the authors observation campaign of the blazar, B2 1420+32, taken in January 2020 using ASAS-SN (bottom)..
A University of Oklahoma doctoral student, graduate and undergraduate research assistants, and an associate professor in the Homer L. Dodge Department of Physics and Astronomy in the University of Oklahoma College of Arts and Sciences are lead authors on a paper describing a changing-look blazar - a powerful active galactic nucleus powered by supermassive blackhole at the center of a galaxy. The paper is published in ....

United States , Horad Mishra , Ben Shappee , Cora Defrancesco , Saloni Bhatiani , Christopher Kochanek , Kris Stanek , John Cox , Xinyu Dai , University Of Hawaii , A University Of Oklahoma , Ohio State University , Homerl Dodge Department Of Physics , Sky Automated Survey For Supernovae , University Of Oklahoma College Arts , Oklahoma College , Lunar Sooners , All Sky Automated Survey , Space Planetary Science , ஒன்றுபட்டது மாநிலங்களில் , கிரிஸ் ஸ்டான்ெக் , ஜான் காக்ஸ் , பல்கலைக்கழகம் ஆஃப் ஹவாய் , ஓஹியோ நிலை பல்கலைக்கழகம் , பல்கலைக்கழகம் ஆஃப் ஓக்லஹோமா கல்லூரி கலைகள் , ஓக்லஹோமா கல்லூரி ,

Supermassive black holes devour gas just like their petite counterparts

Supermassive black holes devour stellar material just like their more petite counterparts, an MIT study finds. ....

United Kingdom , Noord Holland , Ronald Remillard , Jennifer Chu , Thomas Wevers , Anirudh Chiti , Cambridge University , Goddard Space Flight Center , Kavli Institute For Astrophysics , University Of Maryland , University Of Amsterdam , Leiden University , News Office , Australian Research Council Discovery , Space Research , Curtin University , York University , Sky Automated Survey For Supernovae , European Southern Observatory , Astrophysical Journal , New York University , Space Flight , All Sky Automated Survey , Chandrax Ray Observatory , International Space Station , Swift Observatory ,

The Unicorn black hole is the closest to Earth, and rare as a real unicorn

“There appears to be a theoretical maximum to the mass of a neutron star at up to 3 solar masses,” Jayasinghe, who recently led a study published in
Astrobiology, told SYFY WIRE. “So the Unicorn is truly one of the smallest black holes possible. Finding these systems will help scientists understand the formation mechanisms of black holes and neutron stars.”
The Unicorn is a mass gap compact object some 1,500 light years from Earth. Rare and not well understood, these are cosmic objects that are by no means small to human eyes. The heaviest neutron star that has been found so far is 2.5 solar masses, while the Unicorn is among the smallest known black holes at 3 solar masses. The few that have been detected are all around 5 solar masses. Whether anything exists in that “mass gap” between the heaviest neutron star and the lightest black holes are what scientists were trying to find out, and the Unicorn fits in. ....

Tharindu Jayasinghe , Images Group Getty , Sky Automated Survey For Supernovae , Milky Way , Universal Images , All Sky Automated Survey , Black Holes , படங்கள் குழு கெட்டி , பால் வழி , உலகளாவிய படங்கள் , அனைத்தும் வானம் தானியங்கி கணக்கெடுப்பு , கருப்பு துளைகள் ,

Tiny Black Hole is the Closest One to Earth Ever Discovered

When it comes to black holes, does size really matter? Would you be afraid if astronomers discovered one of the tiniest black holes ever? Would you change your mind if they told you it was also the closest black hole to the Earth ever found? How close? Ah, all of sudden, size DOES matter!
Tharindu Jayasinghe is a doctoral student in astronomy at The Ohio State University and part of a team of researchers looking for tiny black holes – a new class of black holes discovered in 2019 at The Ohio State University. They were scanning data on a red giant star in the constellation Monoceros – so named because it resembles the mythical steed – when they noticed something was causing the light from the red giant to periodically change in intensity and appearance. The changes were so drastic that they signaled the orbiting object was massive enough to change its shape – a phenomenon called tidal distortion – but not large enough to block it completely from view. Knowing what th ....

United States , Ohio State University , Tharindu Jayasinghe , Monoceros Latin , Todd Thompson , Monthly Notices Of The Royal Astronomical Society , Sky Automated Survey For Supernovae , Ohio State , Monthly Notices , Royal Astronomical , Kilodegree Extremely Little Telescope , All Sky Automated Survey , ஒன்றுபட்டது மாநிலங்களில் , ஓஹியோ நிலை பல்கலைக்கழகம் , டாட் தாம்சன் , மாதாந்திர அறிவிப்புகள் ஆஃப் தி அரச வானியல் சமூகம் , ஓஹியோ நிலை , மாதாந்திர அறிவிப்புகள் , அரச வானியல் , அனைத்தும் வானம் தானியங்கி கணக்கெடுப்பு ,

New Nova in Scorpius -- Science & Technology -- Sott.net

still bright at magnitudes at 8.1 and 9.9, respectively, but a brand new nova in Scorpius has just joined the scene. Add in Comet ATLAS (C/2020 R4), now at magnitude 9.5, and you know in your heart a dawn observing session is in your future.
Amateur astronomer Paul Camilleri of Northern Territory, Australia and the All-Sky Automated Survey for Supernovae (ASAS-SN) independently discovered the new object early on April 12th at visual magnitude 9.5. Formally named V1710 Scorpii, it brightened quickly to 8.5 before fading slightly, now simmering around 9.5 as of early April 15th. Oscillations like these are common, so the nova might continue to fade or re-brighten just as suddenly. ....

Northern Territory , Nova Delphini , Nova Scorpii , Paul Camilleri , Rob Kaufman , Georgia State University Center , American Association Of Variable Star Observers , Sky Automated Survey For Supernovae , All Sky Automated Survey , Paul Camillari , Georgia State University , High Angular Resolution Astronomy , Nova Sco , Stinger Stars , American Association , Variable Star Observers , வடக்கு பிரதேசம் , பால் சமில்லேரி , கொள்ளை காஃப்மந் , ஜார்ஜியா நிலை பல்கலைக்கழகம் மையம் , அமெரிக்கன் சங்கம் ஆஃப் மாறி நட்சத்திரம் பார்வையாளர்கள் , அனைத்தும் வானம் தானியங்கி கணக்கெடுப்பு , ஜார்ஜியா நிலை பல்கலைக்கழகம் , உயர் கோண தீர்மானம் வானியல் , நோவா ஸ்கோ , அமெரிக்கன் சங்கம் ,