Measuring the temperature of quasars

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SUMMARY

Measuring the temperature of quasars is feasible through the application of Maxwell's laws of distribution of velocities, which allows for the calculation of electron temperature based on Doppler shifts. The kinetic motion of particles emitted from quasars, such as those from jets, contributes to these shifts, enabling temperature estimations. Research indicates that while quasars themselves do not travel at relativistic speeds, the particles they emit can exhibit such velocities. Notable quasars like 3C273 serve as examples in discussions surrounding temperature measurement and redshift phenomena.

PREREQUISITES
  • Understanding of Maxwell's laws of distribution of velocities
  • Familiarity with Doppler shifts and their implications in astrophysics
  • Knowledge of redshift and its significance in cosmology
  • Basic principles of relativistic physics
NEXT STEPS
  • Research Maxwell's equations and their application in astrophysical contexts
  • Study the concept of Doppler shifts in relation to quasar emissions
  • Explore the significance of redshift in measuring cosmic distances
  • Investigate recent research papers on quasar temperature measurements
USEFUL FOR

Astronomers, astrophysicists, and students interested in cosmology and the study of quasars will benefit from this discussion, particularly those focused on temperature measurements and relativistic effects in high-energy astrophysical phenomena.

Frank Lampard
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Can anyone tell me whether it's possible to measure the temperatures of Quasers from phenomenon such as redshift etc??
As quasers travel with speed comparable to that of light,so does the concept of relativistic temperature come into effect?
Are there any research papers available on this?
 
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Quasars don't travel with relativistic speeds but some of the particles emitted by jets from them do.
Some quasars are at very high cosmological red****s - a selection effect since they are the only things bright enough to see at high redshifts - but some such as the famous 3C273 are quite close.
 
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Frank Lampard said:
Can anyone tell me whether it's possible to measure the temperatures of Quasers from phenomenon such as redshift etc??
As quasers travel with speed comparable to that of light,so does the concept of relativistic temperature come into effect?
Are there any research papers available on this?

u can measure the temperature of the quasar by using maxwells laws of distribution of velocities. but that measured temperature vil be the electron temperature.the kinetic motion of the atoms produce doppler shifts,dl=VL/C.WHERE dl IS THE SHIFTED WAVELENGTH and L is the original one. in the maxwells equation substitute dl in place of total no. of atoms (N). u vil get the mean square velocity from which u can find the temp. look for this equation on the net.
 

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