How many blazars are there?

Whereas the Energetic Gamma-Ray Experiment Telescope (EGRET) on NASA’s Compton Gamma-ray Observatory identified 66 blazars during the mission, GLAST should see thousands.

What are blazars in space?

A blazar is a feeding super-massive black-hole (SMBH) in the heart of a distant galaxy that produces a high-energy jet viewed face-on from Earth. Like other forms of active galactic nuclei (AGN), blazars are the most luminous and energetic objects in the known universe.

Is blazar a galaxy?

Blazars, a type of galaxy powered by a ginormous black hole and among the brightest, most energetic objects in the sky, are not unfamiliar to science. Many thousands of them have been identified.

Who discovered blazars?

PSO J0309+27, for short, was discovered by a team of researchers led by Silvia Belladitta, a Ph. D. student at the University of Insubria, working for the Italian National Institute for Astrophysics (INAF) in Milan, under the supervision of Alberto Moretti and Alessandro Caccianiga.

What is the oldest blazar?

Galaxy PSO J0309+27
Galaxy PSO J0309+27 is the oldest blazar ever found, and it is hiding secrets.

Is Milky Way a blazar?

So, what is a blazar, anyway? At the center of most galaxies — including our own Milky Way — there’s a gargantuan black hole that can have the mass of millions or even billions of Suns. In some galaxies, this supermassive black hole may collect a swirling disk of gas, dust and stellar debris around it to eat from.

What is the difference between Quasar and Blazar?

The difference between Quasar, radio galaxy and a Blazar is the angle of the stream. If the stream is straight up, it is a radio galaxy and we are not in the firing line. If the stream is angled slightly towards us, then its a Quasar and if the stream is angle directly towards us, its a Blazar.

What do we think powers an active galactic nucleus?

Active galactic nucleus (AGN), small region at the centre of a galaxy that emits a prodigious amount of energy in the form of radio, optical, X-ray, or gamma radiation or high-speed particle jets.

Where can I find a list of blazars?

AK 79 AND, AKN 120, X COM, MARK 478, MARK 501, PKS2155-30, OB-081 CET, 3C 66A, Ao 0235+16, S5 0716+71, OI090.4CNC, AU CVN, AP LIB, OT+546 HER, PKS2005-48, S5 2007+77, OX-192 CAP, OY-302 PEG, BL LAC, MARK 421, MCQC J1628, MARK 335, MARK 1502, S2 0109+22, MS 0205.7+, MARK 590, OI+158, PKS0736+01, 4C 29.45, W COM, 3C 279 VIR]

What kind of galactic nucleus is a blazar?

A blazar is an active galactic nucleus (AGN) with a relativistic jet (a jet composed of ionized matter traveling at nearly the speed of light) directed very nearly towards an observer.

What are the names of the blazars in AAVSO?

2313-42 PKS2316-42 QSO 16.0 PKS 2316-423 <13.9 AGNs triggerung an AAVSO GTN Objects MyNewsflash alert at > 20 mag: AK 79 AND, AKN 120, X COM, MARK 478, MARK 501, PKS2155-30, OB-081 CET, 3C 66A, Ao 0235+16, S5 0716+71, OI090.4CNC, AU CVN, AP LIB, OT+546 HER,

What kind of quasars are in the blazar category?

The blazar category includes BL Lac objects and optically violently variable (OVV quasars. The generally accepted picture is that BL Lac objects are intrinsically low-power radio galaxies while OVV quasars are intrinsically powerful radio-loud quasars.