Lab 7 - Stars and Galaxies

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Dec 6, 2023

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Lab 7 Group 3 Derek Fraire Nicole Garza Brittany Lira Enter the number of the star ________1___________ Unshifted wavelength (nm) 410.17 434.07 486.13 656.28 What is the Doppler shift (nm) 0.054 0.057 0.064 0.086 What is the fractional Doppler shift 0.000132 0.000131 0.000132 0.000131 What is the average fractional Doppler shift for all the lines? _______0.0001315________ What is the speed of the star in (m/s)? _____39450_____________
Number of Star: - 1 Fractional Doppler shift: - 0.054 / 410.17 = 0.000132 - 0.057 / 434.07 = 0.000131 - 0.064 / 486.13 = 0.000132 - 0.086 / 656.28 = 0.000131 Average fractional Doppler shift for all lines: - (0.000132 + 0.000131 + 0.000132 + 0.0001431) / 4 = 0.0001315 Speed of the star (m/s): - 1.315 x 10^-4) * (3.00 x 10^8) = 39450 Enter the number of the star ________2__________ Unshifted wavelength (nm) 410.17 434.07 486.13 656.28 What is the Doppler shift (nm) 0.03 0.036 0.052 0.072 What is the fractional Doppler shift .000106 .000105 .000106 .000105 What is the average fractional Doppler shift for all the lines? ____.0001055___________ What is the speed of the star in (m/s)? _____31650____________
Number of Star: - 2 Fractional Doppler shift: - 0.03 / 410.17 = 0.000106 - 0.036 / 434.07 = 0.000105 - 0.052 / 486.13 = 0.000106 - 0.072 / 656.28 = 0.000105 Average fractional Doppler shift for all lines: - (0.000106 + 0.000105 + 0.000106 + 0.000105) / 4 = 0.0001055 Speed of the star (m/s): - (1.055 x 10^-4) * (3.00 x 10^8) = 31650
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Enter the number of the star ________3___________ Unshifted wavelength (nm) 410.17 434.07 486.13 656.28 What is the Doppler shift (nm) 0.06 0.063 0.072 0.096 What is the fractional Doppler shift 0.000146 0.000145 0.000148 0.000146 What is the average fractional Doppler shift for all the lines? _______0.000146________ What is the speed of the star in (m/s)? _____43800_____________ Number of Star - 3 Fractional Doppler Shift: - 0.06 / 410.17 = 0.000146 - 0.063 / 434.07 = 0.000145 - 0.072 / 486.13 = 0.000148 - 0.096 / 656.28 = 0.000146 Average fractional Doppler shift for all lines:
- (0.000146 + 0.000145 + 0.000148 + 0.000146) / 4 = 0.000146 Speed of the star (m/s): - (1.46 x 10^-4) * (3.00 x 10^8) = 43800 Enter the number of the star ________4___________ Unshifted wavelength (nm) 410.17 434.07 486.13 656.28 What is the Doppler shift (nm) 0.06 0.064 0.072 0.097 What is the fractional Doppler shift 0.000146 0.000147 0.000148 0.000148 What is the average fractional Doppler shift for all the lines? _______0.000147________ What is the speed of the star in (m/s)? _____44100_____________ Number of Star: - 4
Fractional Doppler shift: - 0.06 / 410.17 = 0.000146 - 0.064 / 434.07 = 0.000147 - 0.072 / 486.13 = 0.000148 - 0.096 / 656.28 = 0.000146 Average fractional Doppler shift for all lines: - (0.000146 + 0.000147 + 0.000148 + 0.000148) / 4 = 0.000147 Speed of the star (m/s): - (1.47 x 10^-4) * (3.00 x 10^8) = 44100 Enter the number of the star ________5___________ Unshifted wavelength (nm) 410.17 434.07 486.13 656.28 What is the Doppler shift (nm) 0.06 0.064 0.072 0.097 What is the fractional Doppler shift 0.000146 0.000147 0.000148 0.000148 What is the average fractional Doppler shift for all the lines? _______0.000147________ What is the speed of the star in (m/s)? _____44100_____________
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Number of Star: - 5 Fractional Doppler shift: - 0.06 / 410.17 = 0.000146 - 0.064 / 434.07 = 0.000147 - 0.072 / 486.13 = 0.000148 - 0.096 / 656.28 = 0.000146 Average fractional Doppler shift for all lines: - (0.000146 + 0.000147 + 0.000148 + 0.000148) / 4 = 0.000147 Speed of the star (m/s): (1.47 x 10^-4) * (3.00 x 10^8) = 44100

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