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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

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Hawaii , 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 , Astronomy , ஹவாய் , ஒன்றுபட்டது மாநிலங்களில் , கிரிஸ் ஸ்டான்ெக் , ஜான் காக்ஸ் , பல்கலைக்கழகம் ஆஃப் ஹவாய் , ஓஹியோ நிலை பல்கலைக்கழகம் , பல்கலைக்கழகம் ஆஃப் ஓக்லஹோமா கல்லூரி கலைகள் , ஓக்லஹோமா கல்லூரி , அனைத்தும் வானம் தானியங்கி கணக்கெடுப்பு , இடம் கிரகங்கள் அறிவியல் ,