SFR in High Redshift  Clusters with Spitzer By Vinay Patel
The Formation of Stars <ul><li>Interstellar Medium </li></ul><ul><li>Clumps of Gas and Dust </li></ul><ul><li>Gravity’s Ef...
Star Formation Simulation
What Is SFR? <ul><li>SFR = Star Formation Rate </li></ul><ul><li>Solar Masses Per Year </li></ul><ul><li>Variable Usage </...
Measurement of SFR <ul><li>Total Infrared Luminosity (L TIR ) </li></ul><ul><li>Spectral Energy Distributions (SEDs) </li>...
Spitzer’s Use <ul><li>Uses Infrared Technology </li></ul><ul><ul><li>Infrared is Heat Radiation </li></ul></ul><ul><ul><li...
Galaxy Cluster Simulation
Cluster 1037-1243 <ul><li>Average SFR Per Cluster Member: 60.47 M о /yr </li></ul><ul><li>Total SFR for Cluster: 1693 M о ...
 
 
The Future <ul><li>CL1037 Is One of Three Clusters </li></ul><ul><li>More Data to Come </li></ul><ul><li>Gain Insights to ...
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Sfr In High Redshift Clusters With Spitzer

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Sfr In High Redshift Clusters With Spitzer

  1. 1. SFR in High Redshift Clusters with Spitzer By Vinay Patel
  2. 2. The Formation of Stars <ul><li>Interstellar Medium </li></ul><ul><li>Clumps of Gas and Dust </li></ul><ul><li>Gravity’s Effect </li></ul><ul><li>Protostar </li></ul><ul><li>Hydrogen Fusion </li></ul><ul><li>Solar Wind </li></ul>
  3. 3. Star Formation Simulation
  4. 4. What Is SFR? <ul><li>SFR = Star Formation Rate </li></ul><ul><li>Solar Masses Per Year </li></ul><ul><li>Variable Usage </li></ul><ul><li>Varies Depending on Position </li></ul>
  5. 5. Measurement of SFR <ul><li>Total Infrared Luminosity (L TIR ) </li></ul><ul><li>Spectral Energy Distributions (SEDs) </li></ul><ul><ul><li>5 Models </li></ul></ul><ul><ul><li>Different ‘c’ Values </li></ul></ul><ul><li>Two Equations: </li></ul><ul><ul><li>L TIR (galaxy) = c x L15(galaxy) </li></ul></ul><ul><ul><li>SFR(M о yr -1 ) = 4.5 x 10 -44 x L TIR (erg s -1 ) </li></ul></ul>
  6. 6. Spitzer’s Use <ul><li>Uses Infrared Technology </li></ul><ul><ul><li>Infrared is Heat Radiation </li></ul></ul><ul><ul><li>Wavelength Longer than Visible Light </li></ul></ul><ul><li>Interstellar Medium </li></ul><ul><ul><li>Dust and Gas </li></ul></ul><ul><li>Invisible Regions Become Visible </li></ul>
  7. 7. Galaxy Cluster Simulation
  8. 8. Cluster 1037-1243 <ul><li>Average SFR Per Cluster Member: 60.47 M о /yr </li></ul><ul><li>Total SFR for Cluster: 1693 M о /yr </li></ul>
  9. 11. The Future <ul><li>CL1037 Is One of Three Clusters </li></ul><ul><li>More Data to Come </li></ul><ul><li>Gain Insights to Galaxy Evolution </li></ul>

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