Loeb, Abraham
Smithsonian Astrophysical Observatory staffTheoretical cosmology and astrophysics
Background And Education
Education And Training
Publications
Selected Publications
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Article
- Scherrer, Robert J. and Loeb, Abraham. 2023. "Ultra long-term cosmology and astrophysics." New Astronomy, 99 101940. https://doi.org/10.1016/j.newast.2022.101940. 2023
- Safarzadeh, Mohammadtaher, Simon, Joshua D., and Loeb, Abraham. 2022. "A Statistical Detection of Wide Binary Systems in the Ultrafaint Dwarf Galaxy Reticulum II." The Astrophysical Journal, 930 54. https://doi.org/10.3847/1538-4357/ac626e. 2022
- Pacucci, Fabio and Loeb, Abraham. 2022. "Accretion from Winds of Red Giant Branch Stars May Reveal the Supermassive Black Hole in Leo I." The Astrophysical Journal, 940 L33. https://doi.org/10.3847/2041-8213/ac9b21. 2022
- Pacucci, Fabio, Dayal, Pratika, Harikane, Yuichi, Inoue, Akio K., and Loeb, Abraham. 2022. "Are the newly-discovered z 13 drop-out sources starburst galaxies or quasars?" Monthly Notices of the Royal Astronomical Society, 514 L6–L10. https://doi.org/10.1093/mnrasl/slac035. 2022
- Szölgyén, Ákos, MacLeod, Morgan, and Loeb, Abraham. 2022. "Eccentricity evolution in gaseous dynamical friction." Monthly Notices of the Royal Astronomical Society, 513 5465–5473. https://doi.org/10.1093/mnras/stac1294. 2022
- Vagnozzi, Sunny, Pacucci, Fabio, and Loeb, Abraham. 2022. "Implications for the Hubble tension from the ages of the oldest astrophysical objects." Journal of High Energy Astrophysics, 36 27–35. https://doi.org/10.1016/j.jheap.2022.07.004. 2022
- Pacucci, Fabio, Foord, Adi, Gordon, Lucia, and Loeb, Abraham. 2022. "Lensing in the darkness: a Bayesian analysis of 22 Chandra sources at z ≳ 6 shows no evidence of lensing." Monthly Notices of the Royal Astronomical Society, 514 2855–2863. https://doi.org/10.1093/mnras/stac1537. 2022
- Pacucci, Fabio and Loeb, Abraham. 2022. "The search for the farthest quasar: consequences for black hole growth and seed models." Monthly Notices of the Royal Astronomical Society, 509 1885–1891. https://doi.org/10.1093/mnras/stab3071. 2022
- Majidi, Dorsa, Forbes, John C., and Loeb, Abraham. 2022. "Where to Find Overmassive Brown Dwarfs: New Benchmark Systems for Binary Evolution." The Astrophysical Journal, 932 91. https://doi.org/10.3847/1538-4357/ac6501. 2022
- Lingam, Manasvi and Loeb, Abraham. 2021. "Characteristics of aquatic biospheres on temperate planets around Sun-like stars and M dwarfs." Monthly Notices of the Royal Astronomical Society, 503 3434–3448. https://doi.org/10.1093/mnras/stab611. 2021
- Emami, Razieh and Loeb, Abraham. 2021. "Detectability of gravitational waves from a population of inspiralling black holes in Milky Way-mass galaxies." Monthly Notices of the Royal Astronomical Society, 502 3932–3941. https://doi.org/10.1093/mnras/stab290. 2021
- Bose, Sownak and Loeb, Abraham. 2021. "Measuring the Mass and Concentration of Dark Matter Halos from the Velocity Dispersion Profile of their Stars." The Astrophysical Journal, 912, (2) 114. https://doi.org/10.3847/1538-4357/abec77. 2021
- Emami, Razieh, Genel, Shy, Hernquist, Lars, Alcock, Charles, Bose, Sownak, Weinberger, Rainer, Vogelsberger, Mark, Marinacci, Federico, Loeb, Abraham, Torrey, Paul, and Forbes, John C. 2021. "Morphological Types of DM Halos in Milky Way-like Galaxies in the TNG50 Simulation: Simple, Twisted, or Stretched." The Astrophysical Journal, 913 36. https://doi.org/10.3847/1538-4357/abf147. 2021
- Lingam, Manasvi and Loeb, Abraham. 2021. "Physical Constraints on Motility with Applications to Possible Life on Mars and Enceladus." The Planetary Science Journal, 2 101. https://doi.org/10.3847/PSJ/abfe06. 2021
- Emami, Razieh, Anantua, Richard, Chael, Andrew A., and Loeb, Abraham. 2021. "Positron Effects on Polarized Images and Spectra from Jet and Accretion Flow Models of M87* and Sgr A*." The Astrophysical Journal, 923 272. https://doi.org/10.3847/1538-4357/ac2950. 2021
- Ünal, Caner, Pacucci, Fabio, and Loeb, Abraham. 2021. "Properties of ultralight bosons from heavy quasar spins via superradiance." Journal of Cosmology and Astroparticle Physics, 2021 007. https://doi.org/10.1088/1475-7516/2021/05/007. 2021
- Safarzadeh, Mohammadtaher and Loeb, Abraham. 2021. "The Challenge to MOND from Ultra-faint Dwarf Galaxies." The Astrophysical Journal, 914 L37. https://doi.org/10.3847/2041-8213/ac07aa. 2021
- Tremaine, Scott, Kocsis, Bence, and Loeb, Abraham. 2021. "Thermal equilibrium of an ideal gas in a free-floating box." American Journal of Physics, 89 789–792. https://doi.org/10.1119/10.0004955. 2021
- Vick, Michelle, MacLeod, Morgan, Lai, Dong, and Loeb, Abraham. 2021. "Tidal dissipation impact on the eccentric onset of common envelope phases in massive binary star systems." Monthly Notices of the Royal Astronomical Society, 503 5569–5582. https://doi.org/10.1093/mnras/stab850. 2021
- Opher, Merav, Loeb, Abraham, Drake, James, and Toth, Gabor. 2020. "A small and round heliosphere suggested by magnetohydrodynamic modelling of pick-up ions." Nature Astronomy, 4 675–683. https://doi.org/10.1038/s41550-020-1036-0. 2020
- Lingam, Manasvi and Loeb, Abraham. 2020. "Constraints on the Abundance of 0.01 c Stellar Engines in the Milky Way." The Astrophysical Journal, 905 175. https://doi.org/10.3847/1538-4357/abc69c. 2020
- Anantua, Richard, Emami, Razieh, Loeb, Abraham, and Chael, Andrew. 2020. "Determining the Composition of Relativistic Jets from Polarization Maps." The Astrophysical Journal, 896 30. https://doi.org/10.3847/1538-4357/ab9103. 2020
- Lingam, Manasvi and Loeb, Abraham. 2020. "Potential for Liquid Water Biochemistry Deep under the Surfaces of the Moon, Mars, and beyond." The Astrophysical Journal, 901 L11. https://doi.org/10.3847/2041-8213/abb608. 2020
- Chen, Hsin-Yu, Chesler, Paul M., and Loeb, Abraham. 2020. "Searching for Exotic Cores with Binary Neutron Star Inspirals." The Astrophysical Journal, 893 L4. https://doi.org/10.3847/2041-8213/ab830f. 2020
- Safarzadeh, Mohammadtaher, Loeb, Abraham, and Reid, Mark. 2019. "Constraining a black hole companion for M87* through imaging by the Event Horizon Telescope." Monthly Notices of the Royal Astronomical Society, 488 L90–L93. https://doi.org/10.1093/mnrasl/slz108. 2019
- Ben-Ami, Sagi, Vikhlinin, Alexey, and Loeb, Abraham. 2018. "SMBH Seeds: Model Discrimination with High-energy Emission Based on Scaling Relation Evolution." The Astrophysical Journal, 854 4. https://doi.org/10.3847/1538-4357/aaa6d0. 2018
- Burns, Jack O., Bradley, Richard, Tauscher, Keith, Furlanetto, Steven, Mirocha, Jordan, Monsalve, Raul, Rapetti, David, Purcell, William, Newell, David, Draper, David, MacDowall, Robert, Bowman, Judd, Nhan, Bang, Wollack, Edward J., Fialkov, Anastasia, Jones, Dayton, Kasper, Justin C., Loeb, Abraham, Datta, Abhirup, Pritchard, Jonathan, Switzer, Eric, and Bicay, Michael. 2017. "A Space-based Observational Strategy for Characterizing the First Stars and Galaxies Using the Redshifted 21 cm Global Spectrum." The Astrophysical Journal, 844 33. https://doi.org/10.3847/1538-4357/aa77f4. 2017
- Ginsburg, Idan, Wang, Xiawei, Loeb, Abraham, and Cohen, Ofer. 2016. "Detecting stars at the galactic centre via synchrotron emission." Monthly Notices of the Royal Astronomical Society, 455 L21–L25. https://doi.org/10.1093/mnrasl/slv138. 2016
- Fish, Vincent L., Johnson, Michael D., Doeleman, Sheperd S., Broderick, Avery E., Psaltis, Dimitrios, Lu, Ru-Sen, Akiyama, Kazunori, Alef, Walter, Algaba, Juan Carlos, Asada, Keiichi, Beaudoin, Christopher, Bertarini, Alessandra, Blackburn, Lindy, Blundell, Ray, Bower, Geoffrey C., Brinkerink, Christiaan, Cappallo, Roger, Chael, Andrew A., Chamberlin, Richard, Chan, Chi-kwan, Crew, Geoffrey B., Dexter, Jason, Dexter, Matt, Dzib, Sergio A., Falcke, Heino et al. 2016. "Persistent Asymmetric Structure of Sagittarius A* on Event Horizon Scales." The Astrophysical Journal, 820 90. https://doi.org/10.3847/0004-637X/820/2/90. 2016
- Johannsen, Tim, Wang, Carlos, Broderick, Avery E., Doeleman, Sheperd S., Fish, Vincent L., Loeb, Abraham, and Psaltis, Dimitrios. 2016. "Testing General Relativity with Accretion-Flow Imaging of Sgr A*." Physical Review Letters, 117 091101. https://doi.org/10.1103/PhysRevLett.117.091101. 2016
- Psaltis, Dimitrios, Narayan, Ramesh, Fish, Vincent L., Broderick, Avery E., Loeb, Abraham, and Doeleman, Sheperd S. 2015. "Event Horizon Telescope Evidence for Alignment of the Black Hole in the Center of the Milky Way with the Inner Stellar Disk." The Astrophysical Journal, 798 15. https://doi.org/10.1088/0004-637X/798/1/15. 2015
- Johnson, Michael D., Loeb, Abraham, Shiokawa, Hotaka, Chael, Andrew A., and Doeleman, Sheperd S. 2015. "Measuring the Direction and Angular Velocity of a Black Hole Accretion Disk via Lagged Interferometric Covariance." The Astrophysical Journal, 813 132. https://doi.org/10.1088/0004-637X/813/2/132. 2015
- Novak, Mladen, Smolcic, Vernesa, Civano, Francesca, Bondi, Marco, Ciliegi, Paolo, Wang, Xiawei, Loeb, Abraham, Banfield, Julie, Bourke, Stephen, Elvis, Martin, Hallinan, Gregg, Intema, Huib T., Klöckner, Hans-Rainer, Mooley, Kunal, and Navarrete, Felipe. 2015. "New insights from deep VLA data on the potentially recoiling black hole CID-42 in the COSMOS field." Monthly Notices of the Royal Astronomical Society, 447 1282–1288. https://doi.org/10.1093/mnras/stu2473. 2015
- Mashian, Natalie, Sternberg, Amiel, and Loeb, Abraham. 2015. "Predicting the intensity mapping signal for multi-J CO lines." Journal of Cosmology and Astroparticle Physics, 2015 028–028. https://doi.org/10.1088/1475-7516/2015/11/028. 2015
- Johnson, Michael D., Fish, Vincent L., Doeleman, Sheperd S., Marrone, Daniel P., Plambeck, Richard L., Wardle, John F. C., Akiyama, Kazunori, Asada, Keiichi, Beaudoin, Christopher, Blackburn, Lindy, Blundell, Ray, Bower, Geoffrey C., Brinkerink, Christiaan, Broderick, Avery E., Cappallo, Roger, Chael, Andrew A., Crew, Geoffrey B., Dexter, Jason, Dexter, Matt, Freund, Robert, Friberg, Per, Gold, Roman, Gurwell, Mark A., Ho, Paul T. P., Honma, Mareki et al. 2015. "Resolved magnetic-field structure and variability near the event horizon of Sagittarius A*." Science, 350 1242–1245. https://doi.org/10.1126/science.aac7087. 2015
- Lin, Henry W., González Abad, Gonzalo, and Loeb, Abraham. 2014. "Detecting Industrial Pollution in the Atmospheres of Earth-like Exoplanets." The Astrophysical Journal Letters, 792 L7. https://doi.org/10.1088/2041-8205/792/1/L7. 2014
- Blecha, Laura, Civano, Francesca, Elvis, Martin, and Loeb, Abraham. 2013. "Constraints on the nature of CID-42: recoil kick or supermassive black hole pair?" Monthly Notices of the Royal Astronomical Society, 428 1341–1350. https://doi.org/10.1093/mnras/sts114. 2013
- Pan, Tony, Patnaude, Daniel, and Loeb, Abraham. 2013. "Superluminous X-ray emission from the interaction of supernova ejecta with dense circumstellar shells." Monthly Notices of the Royal Astronomical Society, 433 838–848. https://doi.org/10.1093/mnras/stt780. 2013
- Murray-Clay, Ruth A. and Loeb, Abraham. 2012. "Disruption of a proto-planetary disc by the black hole at the milky way centre." Nature Communications, 3 1049. https://doi.org/10.1038/ncomms2044. 2012
- Kocsis, Bence, Haiman, Zoltán, and Loeb, Abraham. 2012. "Gas pile-up, gap overflow and Type 1.5 migration in circumbinary discs: application to supermassive black hole binaries." Monthly Notices of the Royal Astronomical Society, 427 2680–2700. https://doi.org/10.1111/j.1365-2966.2012.22118.x. 2012
- Kocsis, Bence, Haiman, Zoltán, and Loeb, Abraham. 2012. "Gas pile-up, gap overflow and Type 1.5 migration in circumbinary discs: general theory." Monthly Notices of the Royal Astronomical Society, 427 2660–2679. https://doi.org/10.1111/j.1365-2966.2012.22129.x. 2012
- Li, Gongjie, Kocsis, Bence, and Loeb, Abraham. 2012. "Gravitational wave heating of stars and accretion discs." Monthly Notices of the Royal Astronomical Society, 425 2407–2412. https://doi.org/10.1111/j.1365-2966.2012.21206.x. 2012
- Doeleman, Sheperd S., Fish, Vincent L., Schenck, David E., Beaudoin, Christopher, Blundell, Ray, Bower, Geoffrey C., Broderick, Avery E., Chamberlin, Richard, Freund, Robert, Friberg, Per, Gurwell, Mark A., Ho, Paul T. P., Honma, Mareki, Inoue, Makoto, Krichbaum, Thomas P., Lamb, James, Loeb, Abraham, Lonsdale, Colin, Marrone, Daniel P., Moran, James M., Oyama, Tomoaki, Plambeck, Richard, Primiani, Rurik A., Rogers, Alan E. E., Smythe, Daniel L. et al. 2012. "Jet-Launching Structure Resolved Near the Supermassive Black Hole in M87." Science, 338 355. https://doi.org/10.1126/science.1224768. 2012
- Broderick, Avery E., Fish, Vincent L., Doeleman, Sheperd S., and Loeb, Abraham. 2009. "Estimating the Parameters of Sagittarius A*'s Accretion Flow Via Millimeter VLBI." The Astrophysical Journal, 697 45–54. https://doi.org/10.1088/0004-637X/697/1/45. 2009
- Wyithe, J. Stuart B. and Loeb, Abraham. 2009. "Evidence for merger-driven activity in the clustering of high-redshift quasars." Monthly Notices of the Royal Astronomical Society, 395 1607–1619. https://doi.org/10.1111/j.1365-2966.2009.14647.x. 2009
- Loeb, Abraham. 2009. "Long-term evolution in transit duration of extrasolar planets from magnetic activity in their parent stars." New Astronomy, 14 363–364. https://doi.org/10.1016/j.newast.2008.10.009. 2009
- O'Leary, Ryan M. and Loeb, Abraham. 2009. "Star clusters around recoiled black holes in the Milky Way halo." Monthly Notices of the Royal Astronomical Society, 395 781–786. https://doi.org/10.1111/j.1365-2966.2009.14611.x. 2009
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