Teaching the Doppler effect in astrophysics
Article
Hughes, Stephen W. and Cowley, Michael. 2017. "Teaching the Doppler effect in astrophysics." European Journal of Physics. 38 (2), pp. 1-7. https://doi.org/10.1088/1361-6404/aa5446
| Article Title | Teaching the Doppler effect in astrophysics |
|---|---|
| ERA Journal ID | 34299 |
| Article Category | Article |
| Authors | Hughes, Stephen W. and Cowley, Michael |
| Journal Title | European Journal of Physics |
| Journal Citation | 38 (2), pp. 1-7 |
| Article Number | 025603 |
| Number of Pages | 7 |
| Year | 2017 |
| Place of Publication | United Kingdom |
| ISSN | 0143-0807 |
| 1361-6404 | |
| Digital Object Identifier (DOI) | https://doi.org/10.1088/1361-6404/aa5446 |
| Web Address (URL) | https://iopscience.iop.org/article/10.1088/1361-6404/aa5446 |
| Abstract | The Doppler effect is a shift in the frequency of waves emitted from an object moving relative to the observer. By observing and analysing the Doppler shift in electromagnetic waves from astronomical objects, astronomers gain greater insight into the structure and operation of our Universe. In this paper, a simple technique is described for teaching the basics of the Doppler effect to undergraduate astrophysics students using acoustic waves. An advantage of the technique is that it produces a visual representation of the acoustic Doppler shift. The equipment comprises a 40 kHz acoustic transmitter and a microphone. The sound is bounced off a computer fan and the signal collected by a DrDAQ ADC and processed by a spectrum analyser. Widening of the spectrum is observed as the fan power supply potential is increased from 4 to 12 V. |
| Keywords | astrophysics; Doppler; sound |
| Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
| Byline Affiliations | Queensland University of Technology |
| Macquarie University | |
| Australian Astronomical Observatory, Australia |
Permalink -
https://research.usq.edu.au/item/w45x2/teaching-the-doppler-effect-in-astrophysics
53
total views0
total downloads0
views this month0
downloads this month
Export as
Related outputs
Evolved galaxies in high-density environments across 2.0 ≤ z < 4.2 using the ZFOURGE surveya
Hartzenberg, Georgia R., Cowley, Michael J., Hopkins, Andrew M. and Allen, Rebecca J.. 2023. "Evolved galaxies in high-density environments across 2.0 ≤ z < 4.2 using the ZFOURGE surveya." Publications of the Astronomical Society of Australia. 40. https://doi.org/10.1017/pasa.2023.42Hydra II: Characterisation of Aegean, Caesar, ProFound, PyBDSF, and Selavy source finders
Cowley, M.. 2023. "Hydra II: Characterisation of Aegean, Caesar, ProFound, PyBDSF, and Selavy source finders." Publications of the Astronomical Society of Australia. 40. https://doi.org/10.1017/pasa.2023.29Hydra I: An extensible multi-source-finder comparison and cataloguing tool
Cowley, M.. 2023. "Hydra I: An extensible multi-source-finder comparison and cataloguing tool." Publications of the Astronomical Society of Australia. 40. https://doi.org/10.1017/pasa.2023.24The VMC survey – XLIX. Discovery of a population of quasars dominated by nuclear dust emission behind the Magellanic Clouds
Pennock, Clara M., van Loon, Jacco Th., Anih, Joy O., Maitra, Chandreyee, Haberl, Frank, Sansom, Anne E., Ivanov, Valentin D., Cowley, Michael J., Afonso, Jose, Anton, Sonia, Cioni, Maria-Rosa L., Craig, Jessica E. M., Filipovic, Miroslav D., Hopkins, Andrew M., Nanni, Ambra, Prandoni, Isabella and Vardoulaki, Eleni. 2022. "The VMC survey – XLIX. Discovery of a population of quasars dominated by nuclear dust emission behind the Magellanic Clouds." Monthly Notices of the Royal Astronomical Society. 515 (4), pp. 6046-6065. https://doi.org/10.1093/mnras/stac2096Reconstructing the Observed Ionizing Photon Production Efficiency at z ∼ 2 Using Stellar Population Models
Nanayakkara, Themiya, Brinchmann, Jarle, Glazebrook, Karl, Bouwens, Rychard, Kewley, Lisa, Tran, Kim-Vy, Cowley, Michael, Fisher, Deanne, Kacprzak, Glenn G., Labbe, Ivo and Straatman, Caroline. 2020. "Reconstructing the Observed Ionizing Photon Production Efficiency at z ∼ 2 Using Stellar Population Models." The Astrophysical Journal: an international review of astronomy and astronomical physics. 889 (2), pp. 1-14. https://doi.org/10.3847/1538-4357/ab65ebMOSEL Survey: Tracking the Growth of Massive Galaxies at 2 < z < 4 Using Kinematics and the IllustrisTNG Simulation
Gupta, Anshu, Tran, Kim-Vy, Cohn, Jonathan, Alcorn, Leo Y., Yuan, Tiantian, Rodriguez-Gomez, Vicente, Harshan, Anishya, Forrest, Ben, Kewley, Lisa J., Glazebrook, Karl, Straatman, Caroline M., Kacprzak, Glenn G., Nanayakkara, Themiya, Labbé, Ivo, Papovich, Casey and Cowley, Michael. 2020. "MOSEL Survey: Tracking the Growth of Massive Galaxies at 2 < z < 4 Using Kinematics and the IllustrisTNG Simulation." The Astrophysical Journal: an international review of astronomy and astronomical physics. 893 (1), pp. 1-14. https://doi.org/10.3847/1538-4357/ab7b6dMOSEL: Strong [OIII] 5007Å Emitting Galaxies at (3<z<4) from the ZFOURGE Survey
Tran, Kim-Vy H., Forrest, Ben, Alcorn, Leo Y., Yuan, Tiantian, Nanayakkara, Themiya, Cohn, Jonathan, Cowley, Michael, Glazebrook, Karl, Gupta, Anshu, Kacprzak, Glenn G., Kewley, Lisa, Labbé, Ivo, Papovich, Casey, Spitler, Lee, Straatman, Caroline M. S. and Tomczak, Adam. 2020. "MOSEL: Strong [OIII] 5007Å Emitting Galaxies at (3<z<4) from the ZFOURGE Survey." The Astrophysical Journal: an international review of astronomy and astronomical physics. 898 (1), pp. 1-13. https://doi.org/10.3847/1538-4357/ab8cbaZFIRE: 3D Modeling of Rotation, Dispersion, and Angular Momentum of Star-forming Galaxies at z∼2
Alcorn, Leo Y., Tran, Kim-Vy, Glazebrook, Karl, Straatman, Caroline M., Cowley, Michael, Forrest, Ben, Kacprzak, Glenn G., Kewley, Lisa J., Labbé, Ivo, Nanayakkara, Themiya, Spitler, Lee R., Tomczak, Adam and Yuan, Tiantian. 2018. "ZFIRE: 3D Modeling of Rotation, Dispersion, and Angular Momentum of Star-forming Galaxies at z∼2." The Astrophysical Journal: an international review of astronomy and astronomical physics. 858 (1), pp. 1-18. https://doi.org/10.3847/1538-4357/aaba78ZFOURGE: Using Composite Spectral Energy Distributions to Characterize Galaxy Populations at 1 < z < 4
Forrest, Ben, Tran, Kim-Vy H., Broussard, Adam, Cohn, Jonathan H., Kennicutt, Robert C., Papovich, Casey, Allen, Rebecca, Cowley, Michael, Glazebrook, Karl, Kacprzak, Glenn G., Kawinwanichakij, Lalitwadee, Nanayakkara, Themiya, Salmon, Brett, Spitler, Lee R. and Straatman, Caroline M. S.. 2018. "ZFOURGE: Using Composite Spectral Energy Distributions to Characterize Galaxy Populations at 1 < z < 4." The Astrophysical Journal: an international review of astronomy and astronomical physics. 863 (2), pp. 1-25. https://doi.org/10.3847/1538-4357/aad232The Taipan Galaxy Survey: Scientific Goals and Observing Strategy
da Cunha, Elisabete, Hopkins, Andrew M., Colless, Matthew, Taylor, Edward N., Blake, Chris, Howlett, Cullan, Magoulas, Christina, Lucey, John R., Lagos, Claudia, Kuehn, Kyler, Gordon, Yjan, Barat, Dilyar, Bian, Fuyan, Wolf, Christian, Cowley, Michael J., White, Marc, Achitouv, Ixandra, Bilicki, Maciej, Bland-Hawthorn, Joss, ..., Watson, Fred. 2017. "The Taipan Galaxy Survey: Scientific Goals and Observing Strategy." Publications of the Astronomical Society of Australia. 34, pp. 1-28. https://doi.org/10.1017/pasa.2017.41Zfire: Similar stellar growth in hα-emitting cluster and field galaxies at z ∼ 2
Tran, Kim-Vy H., Alcorn, Leo Y., Kacprzak, Glenn G., Nanayakkara, Themiya, Straatman, Caroline, Yuan, Tiantian, Cowley, Michael, Davé, Romeel, Glazebrook, Karl, Kewley, Lisa J., Labbé, Ivo, Martizzi, Davidé, Papovich, Casey, Quadri, Ryan, Spitler, Lee R. and Tomczak, Adam. 2017. "Zfire: Similar stellar growth in hα-emitting cluster and field galaxies at z ∼ 2." The Astrophysical Journal: an international review of astronomy and astronomical physics. 834 (2), pp. 1-14. https://doi.org/10.3847/1538-4357/834/2/101The Size Evolution of Star-forming Galaxies since z ∼ 7 Using ZFOURGE
Allen, Rebecca J., Kacprzak, Glenn G., Glazebrook, Karl, Labbé, Ivo, Tran, Kim-Vy H., Spitler, Lee R., Cowley, Michael, Nanayakkara, Themiya, Papovich, Casey, Quadri, Ryan, Straatman, Caroline M. S., Tilvi, Vithal and van Dokkum, Pieter. 2017. "The Size Evolution of Star-forming Galaxies since z ∼ 7 Using ZFOURGE." The Astrophysical Journal Letters. 834 (2), pp. 1-7. https://doi.org/10.3847/2041-8213/834/2/L11Modelling the dynamics of a hypothetical Planet X by way of gravitational N-body simulator
Cowley, Michael and Hughes, Stephen. 2017. "Modelling the dynamics of a hypothetical Planet X by way of gravitational N-body simulator." European Journal of Physics. 38 (2), pp. 1-9. https://doi.org/10.1088/1361-6404/aa5448Discovery of Extreme [O iii]+Hβ Emitting Galaxies Tracing an Overdensity at z ∼ 3.5 in CDF-South
Forrest, Ben, Tran, Kim-Vy H., Broussard, Adam, Allen, Rebecca J., Apfel, Miranda, Cowley, Michael J., Glazebrook, Karl, Kacprzak, Glenn G., Labbé, Ivo, Nanayakkara, Themiya, Papovich, Casey, Quadri, Ryan F., Spitler, Lee R., Straatman, Caroline M. S. and Tomczak, Adam. 2017. "Discovery of Extreme [O iii]+Hβ Emitting Galaxies Tracing an Overdensity at z ∼ 3.5 in CDF-South." The Astrophysical Journal Letters. 838 (1), pp. 1-6. https://doi.org/10.3847/2041-8213/aa653bZFIRE: The Evolution of the Stellar Mass Tully–Fisher Relation to Redshift ∼2.2
Straatman, Caroline M. S., Glazebrook, Karl, Kacprzak, Glenn G., Labbé, Ivo, Nanayakkara, Themiya, Alcorn, Leo, Cowley, Michael, Kewley, Lisa J., Spitler, Lee R., Tran, Kim-Vy H. and Yuan, Tiantian. 2017. "ZFIRE: The Evolution of the Stellar Mass Tully–Fisher Relation to Redshift ∼2.2." The Astrophysical Journal: an international review of astronomy and astronomical physics. 839 (1), pp. 1-20. https://doi.org/10.3847/1538-4357/aa643eZFIRE: using Hα equivalent widths to investigate the in situ initial mass function at z ∼ 2
Nanayakkara, Themiya, Glazebrook, Karl, Kacprzak, Glenn G., Yuan, Tiantian, Fisher, David, Tran, Kim-Vy, Kewley, Lisa J., Spitler, Lee, Alcorn, Lee, Cowley, Michael, Labbe, Ivo, Straatman, Caroline and Tomczak, Adam. 2017. "ZFIRE: using Hα equivalent widths to investigate the in situ initial mass function at z ∼ 2." Monthly Notices of the Royal Astronomical Society. 468 (3), pp. 3071-3108. https://doi.org/10.1093/mnras/stx605Decoupled black hole accretion and quenching: the relationship between BHAR, SFR and quenching in Milky Way- and Andromeda-mass progenitors since z = 2.5
Cowley, M. J., Spitler, L. R., Quadri, R. F., Goulding, A. D., Papovich, C., Tran, K. V. H., Labbé, I., Alcorn, L., Allen, R. J., Forrest, B., Glazebrook, K., Kacprzak, G. G., Morrison, G., Nanayakkara, T., Straatman, C. M. S. and Tomczak, A. R.. 2017. "Decoupled black hole accretion and quenching: the relationship between BHAR, SFR and quenching in Milky Way- and Andromeda-mass progenitors since z = 2.5." Monthly Notices of the Royal Astronomical Society. 473 (3), pp. 3710-3716. https://doi.org/10.1093/MNRAS/STX2587Radio galaxies in ZFOURGE/NMBS: no difference in the properties of massive galaxies with and without radio-AGN out to z = 2.25
Rees, G. A., Spitler, L. R., Norris, R. P., Cowley, M. J., Papovich, C., Glazebrook, K., Quadri, R. F., Straatman, C. M. S., Allen, R., Kacprzak, G. G., Labbé, I., Nanayakkara, T., Tomczak, A. R. and Tran, K.-H.. 2016. "Radio galaxies in ZFOURGE/NMBS: no difference in the properties of massive galaxies with and without radio-AGN out to z = 2.25." Monthly Notices of the Royal Astronomical Society. 455 (3), pp. 2731-2744. https://doi.org/10.1093/mnras/stv2468The SFR–M* Relation and Empirical Star Formation Histories from ZFOURGE at 0.5 < z < 4
Tomczak, Adam R., Quadri, Ryan F., Tran, Kim-Vy H., Labbé, Ivo, Straatman, Caroline M. S., Papovich, Casey, Glazebrook, Karl, Allen, Rebecca, Brammer, Gabreil B., Cowley, Michael, Dickinson, Mark, Elbaz, David, Inami, Hanae, Kacprzak, Glenn G., Morrison, Glenn E., Nanayakkara, Themiya, Persson, S. Eric, Rees, Glen A., Salmon, Brett, ..., Whitaker, Katherine E.. 2016. "The SFR–M* Relation and Empirical Star Formation Histories from ZFOURGE at 0.5 < z < 4." The Astrophysical Journal: an international review of astronomy and astronomical physics. 817 (2), pp. 1-16. https://doi.org/10.3847/0004-637X/817/2/118UV to IR luminosities and dust attenuation determined from ∼4000 k-selected galaxies at 1 < z < 3 in the ZFOURGE survey
Forrest, Ben, Tran, Kim-Vy H., Tomczak, Adam R., Broussard, Adam, Labbé, Ivo, Papovich, Casey, Kriek, Mariska, Allen, Rebecca J., Cowley, Michael, Dickinson, Mark, Glazebrook, Karl, van Houdt, Josha, Inami, Hanae, Kacprzak, Glenn G., Kawinwanichakij, Lalitwadee, Kelson, Daniel, McCarthy, Patrick J., Monson, Andrew, Morrison, Glenn, ..., Tilvi, Vithal. 2016. "UV to IR luminosities and dust attenuation determined from ∼4000 k-selected galaxies at 1 < z < 3 in the ZFOURGE survey." The Astrophysical Journal Letters. 818 (2). https://doi.org/10.3847/2041-8205/818/2/L26Z-FIRE: ISM Properties of the z = 2.095 Cosmos Cluster
Kewley, Lisa J., Yuan, Tiantian, Nanayakkara, Themiya, Kacprzak, Glenn G., Tran, Kim-Vy H., Glazebrook, Karl, Spitler, Lee, Cowley, Michael, Dopita, Michael, Straatman, Caroline, Labbé, Ivo and Tomczak, Adam. 2016. "Z-FIRE: ISM Properties of the z = 2.095 Cosmos Cluster." The Astrophysical Journal: an international review of astronomy and astronomical physics. 819 (2), pp. 1-10. https://doi.org/10.3847/0004-637X/819/2/100ZFIRE: The kinematics of star-forming galaxies as a function of environment at z ∼ 2
Alcorn, Leo Y., Tran, Kim-Vy H., Kacprzak, Glenn G., Nanayakkara, Themiya, Straatman, Caroline, Yuan, Tiantian, Allen, Rebecca J., Cowley, Michael, Davé, Romeel, Glazebrook, Karl, Kewley, Lisa J., Labbé, Ivo, Quadri, Ryan, Spitler, Lee R. and Tomczak, Adam. 2016. "ZFIRE: The kinematics of star-forming galaxies as a function of environment at z ∼ 2." The Astrophysical Journal Letters. 825 (1), pp. 1-6. https://doi.org/10.3847/2041-8205/825/1/L2Cold-mode Accretion: Driving the Fundamental Mass-metallicity Relation at z ∼ 2
Kacprzak, Glenn G., van de Voort, Freeke, Glazebrook, Karl, Tran, Kim-Vy H., Yuan, Tiantian, Nanayakkara, Themiya, Allen, Rebecca J., Alcorn, Leo, Cowley, Michael, Labbé, Ivo, Spitler, Lee, Straatman, Caroline and Tomczak, Adam. 2016. "Cold-mode Accretion: Driving the Fundamental Mass-metallicity Relation at z ∼ 2." The Astrophysical Journal Letters. 826 (1), pp. 1-6. https://doi.org/10.3847/2041-8205/826/1/L11Differences in the Structural Properties and Star Formation Rates of Field and Cluster Galaxies at Z ∼ 1
Allen, Rebecca J., Kacprzak, Glenn G., Glazebrook, Karl, Tran, Kim-Vy H., Spitler, Lee R., Straatman, Caroline M. S., Cowley, Michael and Nanayakkara, Themiya. 2016. "Differences in the Structural Properties and Star Formation Rates of Field and Cluster Galaxies at Z ∼ 1." The Astrophysical Journal: an international review of astronomy and astronomical physics. 826 (1), pp. 1-12. https://doi.org/10.3847/0004-637X/826/1/60Large-scale structure around a z = 2.1 cluster
Hung, Chao-Ling, Casey, Caitlin M., Chiang, Yi-Kuan, Capak, Peter L., Cowley, Michael J., Darvish, Behnam, Kacprzak, Glenn G., Kovač, K., Lilly, Simon J., Nanayakkara, Themiya, Spitler, Lee R., Tran, Kim-Vy H. and Yuan, Tiantian. 2016. "Large-scale structure around a z = 2.1 cluster." The Astrophysical Journal: an international review of astronomy and astronomical physics. 826 (2), pp. 1-10. https://doi.org/10.3847/0004-637X/826/2/130ZFIRE: A Keck/Mosfire Spectroscopic Survey of Galaxies in Rich Environments at z ∼ 2
Nanayakkara, Themiya, Glazebrook, Karl, Kacprzak, Glenn G., Yuan, Tiantian, Tran, Kim-Vy, Spitler, Lee, Kewley, Lisa, Straatman, Caroline, Cowley, Michael, Fisher, David, Labbe, Ivo, Tomczak, Adam, Allen, Rebecca and Alcorn, Leo. 2016. "ZFIRE: A Keck/Mosfire Spectroscopic Survey of Galaxies in Rich Environments at z ∼ 2." The Astrophysical Journal: an international review of astronomy and astronomical physics. 828 (1), pp. 1-26. https://doi.org/10.3847/0004-637X/828/1/21The Fourstar Galaxy Evolution Survey (ZFOURGE): Ultraviolet to Far-infrared Catalogs, Medium-bandwidth Photometric Redshifts with Improved Accuracy, Stellar Masses, and Confirmation of Quiescent Galaxies to z ∼ 3.5
Straatman, Caroline M. S., Spitler, Lee R., Quadri, Ryan F., Labbé, Ivo, Glazebrook, Karl, Persson, S. Eric, Papovich, Casey, Tran, Kim-Vy H., Brammer, Gabriel B., Cowley, Michael, Tomczak, Adam, Nanayakkara, Themiya, Alcorn, Leo, Allen, Rebecca, Broussard, Adam, van Dokkum, Pieter, Forrest, Ben, van Houdt, Josha, Kacprzak, Glenn G., ..., Whitaker, Katherine E.. 2016. "The Fourstar Galaxy Evolution Survey (ZFOURGE): Ultraviolet to Far-infrared Catalogs, Medium-bandwidth Photometric Redshifts with Improved Accuracy, Stellar Masses, and Confirmation of Quiescent Galaxies to z ∼ 3.5." The Astrophysical Journal: an international review of astronomy and astronomical physics. 830 (1), pp. 1-34. https://doi.org/10.3847/0004-637X/830/1/51This item comprises data from the following sources: Scopus