Charles Steinhardt

Charles Steinhardt

Associate Professor


  1. 2024
  2. Published

    BUFFALO/Flashlights: Constraints on the abundance of lensed supergiant stars in the Spock galaxy at redshift 1

    Diego, J. M., Li, S. K., Meena, A. K., Niemiec, A., Acebron, A., Jauzac, M., Struble, M. F., Amruth, A., Broadhurst, T. J., Cerny, C., Ebeling, H., Filippenko, A. V., Jullo, E., Kelly, P., Koekemoer, A. M., Lagattuta, D., Lim, J., Limousin, M., Mahler, G., Patel, N. & 11 others, Remolina, J., Richard, J., Sharon, K., Steinhardt, Charles, Umetsu, K., Williams, L., Zitrin, A., Palencia, J. M., Dai, L., Ji, L. & Pascale, M., 24 Jan 2024, In: Astronomy & Astrophysics. 681, 24 p., A124.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. 2023
  4. Published

    COSMOS2020: The galaxy stellar mass function: The assembly and star formation cessation of galaxies at 0.2< z ≤ 7.5

    Weaver, J. R., Davidzon, I., Toft, S., Ilbert, O., Mccracken, H. J., Gould, K. M. L., Jespersen, C. K., Steinhardt, C., Lagos, C. D. P., Capak, P. L., Casey, C. M., Chartab, N., Faisst, A. L., Hayward, C. C., Kartaltepe, J. S., Kauffmann, O. B., Koekemoer, A. M., Kokorev, V., Laigle, C., Liu, D. & 13 others, Long, A., Magdis, Georgios, Mcpartland, C. J. R., Milvang-jensen, B., Mobasher, B., Moneti, A., Peng, Y., Sanders, D. B., Shuntov, Marko, Sneppen, Albert Bjerregård, Valentino, F., Zalesky, L. & Zamorani, G., 25 Sep 2023, In: Astronomy & Astrophysics. 677, 39 p., A184.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    A Value-added COSMOS2020 Catalog of Physical Properties: Constraining Temperature-dependent Initial Mass Function

    Rusakov, V., Steinhardt, Charles & Sneppen, Albert Bjerregård, 1 Sep 2023, In: Astrophysical Journal. 268, 1, 18 p., 10.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Beyond the ultradeep frontier fields and legacy observations (BUFFALO): a high-resolution strong+weak-lensing view of Abell 370

    Niemiec, A., Jauzac, M., Eckert, D., Lagattuta, D., Sharon, K., Koekemoer, A. M., Umetsu, K., Acebron, A., Diego, J. M., Harvey, D., Jullo, E., Kokorev, V., Limousin, M., Mahler, G., Natarajan, P., Nonino, M., Steinhardt, Charles, Tam, S. & Zitrin, A., 12 Jul 2023, In: Monthly Notices of the Royal Astronomical Society. 524, 2, p. 2883-2910 28 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Templates for Fitting Photometry of Ultra-high-redshift Galaxies

    Steinhardt, Charles, Kokorev, V., Rusakov, V., Garcia, E. & Sneppen, Albert Bjerregård, 12 Jul 2023, In: Astrophysical Journal Letters. 951, 2, 7 p., L40.

    Research output: Contribution to journalLetterResearchpeer-review

  8. Published

    The Earliest Stage of Galactic Star Formation

    Steinhardt, Charles, Rusakov, V., Clark, T. H., Diaconu, A., Forbes, J., Mc Partland, Conor John Ryan, Sneppen, A. & Weaver, J., 5 Jun 2023, In: Astrophysics Journal Letters. 949, 2, 8 p., L38.

    Research output: Contribution to journalLetterResearchpeer-review

  9. Published

    COSMOS2020: Exploring the Dawn of Quenching for Massive Galaxies at 3 < z < 5 with a New Color-selection Method

    Gould, K. M. L., Brammer, Gabriel, Valentino, F., Whitaker, K. E., Weaver, J. R., Lagos, C. D. P., Rizzo, F., Franco, M., Hsieh, B., Ilbert, O., Jin, Shuowen, Magdis, Georgios, J. McCracken, H., Mobasher, B., Shuntov, Marko, Steinhardt, Charles, Strait, Victoria Bellinger & Toft, Sune, 23 May 2023, In: Astronomical Journal. 165, 6, 18 p., 248.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Classification of BATSE, Swift, and Fermi Gamma-Ray Bursts from Prompt Emission Alone

    Steinhardt, Charles, Mann, W. J., Rusakov, V. & Jespersen, C. K., 1 Mar 2023, In: Astrophysical Journal. 945, 1, 11 p., 67.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    A Broad-line Quasar with Unexplained Extreme Velocity Offsets: Post-shock Outflow?

    Rusakov, V., Steinhardt, Charles, Schramm, M., Faisst, A. L., Masters, D., Mobasher, B. & Pattarakijwanich, P., 28 Feb 2023, In: Astrophysical Journal. 944, 2, 11 p., 217.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. 2022
  13. Published

    Implications of a Temperature-dependent Initial Mass Function. III. Mass Growth and Quiescence

    Steinhardt, Charles, Sneppen, A., Hensley, H., Jermyn, A. S., Mostafa, B., Weaver, J. R., Brammer, Gabriel, Clark, T. H., Davidzon, I., Diaconu, A. C., Mobasher, B., Rusakov, V. & Toft, Sune, 21 Jul 2022, In: Astrophysical Journal. 934, 1, 9 p., 22.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Implications of a Temperature-dependent Initial Mass Function. II. An Updated View of the Star-forming Main Sequence

    Steinhardt, Charles, Sneppen, A., Mostafa, B., Hensley, H., Jermyn, A. S., Lopez, A., Weaver, J., Brammer, Gabriel, Clark, T. H., Davidzon, I., Diaconu, A. C., Mobasher, B., Rusakov, V. & Toft, Sune, 25 May 2022, In: Astrophysical Journal. 931, 1, 9 p., 58.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Implications of a Temperature-dependent Initial Mass Function. I. Photometric Template Fitting

    Sneppen, A., Steinhardt, Charles, Hensley, H., Jermyn, A. S., Mostafa, B. & Weaver, J. R., 20 May 2022, In: Astrophysical Journal. 931, 1, 13 p., 57.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    A dusty compact object bridging galaxies and quasars at cosmic dawn

    Fujimoto, S., Brammer, G., Watson, D. J., Magdis, G., Kokorev, V., Greve, T. R., Toft, S., Walter, F., Valiante, R., Ginolfi, M., Schnieder, R., Valentino, F. M., Colina, L., Vestergaard, M., Marques-Chaves, R., Fynbo, J. P. U., Krips, M., Steinhardt, C. L., Cortzen, I., Rizzo, F. & 1 others, Oesch, Pascal, 13 Apr 2022, In: Nature. 604, 7905, p. 261-265 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    COSMOS2020: A Panchromatic View of the Universe to z ∼ 10 from Two Complementary Catalogs

    Weaver, J. R., Kauffmann, O. B., Ilbert, O., McCracken, H. J., Moneti, A., Toft, S., Brammer, G., Shuntov, M., Davidzon, I., Hsieh, B. C., Laigle, C., Anastasiou, A., Jespersen, C. K., Vinther, J., Capak, P., Casey, C. M., McPartland, C. J. R., Milvang-Jensen, B., Mobasher, B., Sanders, D. B. & 38 others, Zalesky, L., Arnouts, S., Aussel, H., Dunlop, J. S., Faisst, A., Franx, M., Furtak, L. J., Fynbo, Johan Peter Uldall, Gould, K. M. L., Greve, T. R., Gwyn, S., Kartaltepe, J. S., Kashino, D., Koekemoer, A. M., Kokorev, V., Le Fevre, O., Lilly, S., Masters, D., Magdis, Georgios, Mehta, V., Peng, Y., Riechers, D. A., Salvato, M., Sawicki, M., Scarlata, C., Scoville, N., Shirley, R., Silverman, J. D., Sneppen, A., Smolcić, V., Steinhardt, Charles, Stern, D., Tanaka, M., Taniguchi, Y., Teplitz, H. I., Vaccari, M., Wang, W. H. & Zamorani, G., 10 Jan 2022, In: Astrophysical Journal, Supplement Series. 258, 1, 30 p., 11.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. 2021
  19. Published

    Extensive Lensing Survey of Optical and Near-infrared Dark Objects (El Sonido): HST H-faint Galaxies behind 101 Lensing Clusters

    Sun, F., Egami, E., Perez-Gonzalez, P. G., Smail, I., Caputi, K. I., Bauer, F. E., Rawle, T. D., Fujimoto, S., Kohno, K., Dudzeviciute, U., Atek, H., Bianconi, M., Chapman, S. C., Combes, F., Jauzac, M., Jolly, J-B., Koekemoer, A. M., Magdis, G. E., Rodighiero, G., Rujopakarn, W. & 5 others, Schaerer, D., Steinhardt, Charles, Van der Werf, P., Walth, G. L. & Weaver, J. R., 25 Dec 2021, In: Astrophysical Journal. 922, 2, 19 p., 114.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Finding High-redshift Galaxies with JWST

    Steinhardt, Charles, Jespersen, C. K. & Linzer, N. B., 7 Dec 2021, In: Astrophysical Journal. 923, 1, 13 p., 8.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    A more probable explanation for a continuum flash towards a redshift ≈ 11 galaxy

    Steinhardt, Charles, Andersen, Michael Ingemann, Brammer, Gabriel, Christensen, Lise Bech, Fynbo, Johan Peter Uldall, Laursen, Peter, Milvang-Jensen, B., Oesch, P. A. & Toft, Sune, 4 Oct 2021, In: Nature Astronomy. 5, p. 993-994 2 p.

    Research output: Contribution to journalEditorialResearchpeer-review

  22. Published

    Further support for a trio of mass-to-light deviations in Abell 370: free-form grale lens inversion using BUFFALO strong lensing data

    Ghosh, A., Williams, L. L. R., Liesenborgs, J., Acebron, A., Jauzac, M., Koekemoer, A. M., Mahler, G., Niemiec, A., Steinhardt, Charles, Faisst, A. L., Lagattuta, D. & Natarajan, P., 4 Oct 2021, In: Monthly Notices of the Royal Astronomical Society. 506, 4, p. 6144-6158 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Identifying and Repairing Catastrophic Errors in Galaxy Properties Using Dimensionality Reduction

    Hovis-Afflerbach, B., Steinhardt, Charles, Masters, D. & Salvato, M., Feb 2021, In: Astrophysical Journal. 908, 2, 8 p., 148.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. 2020
  25. Published

    Spectroscopic classification of a complete sample of astrometrically-selected quasar candidates using Gaia DR2

    Heintz, K. E., Fynbo, J. P. U., Geier, S. J., Moller, P., Krogager, J-K., Konstantopoulou, C., de Burgos, A., Christensen, L., Steinhardt, C. L., Milvang-Jensen, B., Jakobsson, P., Hog, E., Arvedlund, B. E. H. K., Christiansen, C. R., Hansen, T. B., Henriksen, P. D., Kuszon, K. B., McKenzie, I. B., Mosekjaer, K. A., Paulsen, M. F. K. & 3 others, Sukstorf, M. N., Wilson, S. N. & Orgaard, S. K. K., 24 Nov 2020, In: Astronomy & Astrophysics. 644, 22 p., A17.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Effects of Supernova Redshift Uncertainties on the Determination of Cosmological Parameters

    Steinhardt, Charles, Sneppen, Albert Bjerregård & Sen, B., 8 Oct 2020, In: Astrophysical Journal. 902, 1, 11 p., 14.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    An Unambiguous Separation of Gamma-Ray Bursts into Two Classes from Prompt Emission Alone

    Jespersen, C. K., Severin, J. B., Steinhardt, Charles, Vinther, J., Fynbo, Johan Peter Uldall, Selsing, J. & Watson, Darach Jafar, 1 Jun 2020, In: Astrophysical Journal Letters. 896, 2, 6 p., 20.

    Research output: Contribution to journalLetterResearchpeer-review

  28. Published

    Setting the scene for BUFFALO: a study of the matter distribution in the HFF galaxy cluster MACS J0416.1-2403 and its parallel fie

    Gonzalez, E. J., Chalela, M., Jauzac, M., Eckert, D., Schaller, M., Harvey, D., Niemiec, A., Koekemoer, A. M., Barnes, D., Clowe, D., Connor, T., Diego, J. M., Remolina Gonzalezm, J. D. & Steinhardt, Charles, May 2020, In: Monthly Notices of the Royal Astronomical Society. 494, 1, p. 349-362 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    The BUFFALO HST Survey

    Steinhardt, C. L., Jauzac, M., Acebron, A., Atek, H., Capak, P., Davidzon, I., Eckert, D., Harvey, D., Koekemoer, A. M., Lagos, C. D. P., Mahler, G., Montes, M., Niemiec, A., Nonino, M., Oesch, P. A., Richard, J., Rodney, S. A., Schaller, M., Sharon, K., Strolger, L-G. & 74 others, Allingham, J., Amara, A., Bahe, Y., Boehm, C., Bose, S., Bouwens, R. J., Bradley, L. D., Brammer, Gabriel, Broadhurst, T., Canas, R., Cen, R., Clement, B., Clowe, D., Coe, D., Connor, T., Darvish, B., Diego, J. M., Ebeling, H., Edge, A. C., Egami, E., Ettori, S., Faisst, A. L., Frye, B., Furtak, L. J., Gomez-Guijarro, C., Gonzalez, J. D. R., Gonzalez, A., Graur, O., Gruen, D., Hensley, H., Hovis-Afflerbach, B., Jablonka, P., Jha, S. W., Julio, E., Kneib, J., Kokorev, V., Lagattuta, D. J., Limousin, M., von der Linden, A., Linzer, N. B., Lopez, A., Magdis, Georgios, Massey, R., Masters, D. C., Maturi, M., McCully, C., McGee, S. L., Meneghetti, M., Mobasher, B., Moustakas, L. A., Murphy, E. J., Natarajan, P., Neyrinck, M., O'Connor, K., Oguri, M., Pagul, A., Rhodes, J., Rich, R. M., Robertson, A., Sereno, M., Shan, H., Smith, G. P., Sneppen, A., Squires, G. K., Tam, S., Tchernin, C., Toft, Sune, Umetsu, K., Weaver, J. R., van Weeren, R. J., Williams, L. L. R., Wilson, T. J., Yan, L. & Zitrin, A., 1 Apr 2020, In: Astrophysical Journal Supplement Series. 247, 2, 20 p., 64.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    A Method to Distinguish Quiescent and Dusty Star-forming Galaxies with Machine Learning

    Steinhardt, Charles, Weaver, J. R., Maxfield, J., Davidzon, I., Faisst, A. L., Masters, D., Schemel, M. & Toft, Sune, 1 Mar 2020, In: Astrophysical Journal. 891, 2, 12 p., 136.

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    Thermal Regulation and the Star-forming Main Sequence

    Steinhardt, Charles, Jermyn, A. S. & Lodman, J., 10 Feb 2020, In: Astrophysical Journal. 890, 1, 11 p., 19.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Quiescent Galaxies 1.5 Billion Years after the Big Bang and Their Progenitors

    Valentino, F., Tanaka, M., Davidzon, I., Toft, S., Gómez-Guijarro, C., Stockmann, M., Onodera, M., Brammer, G., Ceverino, D., Faisst, A. L., Gallazzi, A., Hayward, C. C., Ilbert, O., Kubo, M., Magdis, G. E., Selsing, J., Shimakawa, R., Sparre, M., Steinhardt, C., Yabe, K. & 1 others, Zabl, J., 1 Feb 2020, In: Astrophysical Journal. 889, 2, 19 p., 93.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    X-shooter Spectroscopy and HST Imaging of 15 Massive Quiescent Galaxies at z ≳ 2

    Stockmann, M., Toft, S., Gallazzi, A., Zibetti, S., Conselice, C. J., Margalef-Bentabol, B., Zabl, J., Jørgensen, I., Magdis, G. E., Gómez-Guijarro, C., Valentino, F. M., Brammer, G. B., Ceverino, D., Cortzen, I., Davidzon, I., Demarco, R., Faisst, A., Hirschmann, M., Krogager, J-K., Lagos, C. D. & 6 others, Man, A. W. S., Mundy, C. J., Peng, Y., Selsing, J., Steinhardt, Charles & Whitaker, K. E., 1 Jan 2020, In: Astrophysical Journal. 888, 1, 23 p., 4.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. 2019
  35. Published

    Stellar Velocity Dispersion of a Massive Quenching Galaxy at z=4.01

    Tanaka, M., Valentino, F., Toft, Sune, Onodera, M., Shimakawa, R., Ceverino, D., Faisst, A. L., Gallazzi, A., Gomez-Guijarro, C., Kubo, M., Magdis, Georgios, Steinhardt, Charles, Stockmann, M., Yabe, K. & Zabl, J., 10 Nov 2019, In: Astrophysical Journal Letters. 885, 2, 7 p., L34.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. 2018
  37. Published

    The cosmic microwave background and the stellar initial mass function

    Jermyn, A. S., Steinhardt, Charles & Tout, C. A., 1 Nov 2018, In: Monthly Notices of the Royal Astronomical Society. 480, 3, p. 4265-4272 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. Published

    The DEIMOS 10K Spectroscopic Survey Catalog of the COSMOS Field

    Hasinger, G., Capak, P., Salvato, M., Barger, A. J., Cowie, L. L., Faisst, A., Hemmati, S., Kakazu, Y., Kartaltepe, J., Masters, D., Mobasher, B., Nayyeri, H., Sanders, D., Scoville, N. Z., Suh, H., Steinhardt, Charles & Yang, F., 10 May 2018, In: Astrophysical Journal. 858, 2, 17 p., 77.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Starburst to Quiescent from HST/ALMA: Stars and Dust Unveil Minor Mergers in Submillimeter Galaxies at z ∼ 4.5

    Gómez-Guijarro, C., Toft, S., Karim, A., Magnelli, B., Magdis, G. E., Jiménez-Andrade, E. F., Capak, P. L., Fraternali, F., Fujimoto, S., Riechers, D. A., Schinnerer, E., Smolčić, V., Aravena, M., Bertoldi, F., Cortzen, I., Hasinger, G., Hu, E. M., Jones, G. C., Koekemoer, A. M., Lee, N. & 15 others, McCracken, H. J., Michałowski, M. J., Navarrete, F., Pović, M., Puglisi, A., Romano-Díaz, E., Sheth, K., Silverman, J. D., Staguhn, J., Steinhardt, Charles, Stockmann, M., Tanaka, M., Valentino, F., van Kampen, E. & Zirm, A., 1 Apr 2018, In: Astrophysical Journal. 856, 2, 18 p., 121.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

    Nonparametric Methods in Astronomy: Think, Regress, Observe-Pick Any Three

    Steinhardt, Charles & Jermyn, A. S., 1 Feb 2018, In: Publications of the Astronomical Society of the Pacific. 130, 984, 22 p., 023001.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. 2017
  42. Published

    The COSMOS2015 galaxy stellar mass function Thirteen billion years of stellar mass assembly in ten snapshots

    Davidzon, I., Ilbert, O., Laigle, C., Coupon, J., McCracken, H. J., Delvecchio, I., Masters, D., Capak, P., Hsieh, B. C., Le Fevre, O., Tresse, L., Bethermin, M., Chang, Y. -Y., Faisst, A. L., Le Floc'h, E., Steinhardt, C., Toft, S., Aussel, H., Dubois, C., Hasinger, G. & 4 others, Salvato, M., Sanders, D. B., Scoville, N. & Silverman, J. D., Sep 2017, In: Astronomy & Astrophysics. 605, 27 p., A70.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    A massive, dead disk galaxy in the early Universe

    Toft, Sune, Zabl, J., Richard, J., Gallazzi, A., Zibetti, S., Prescott, M., Grillo, C., Man, A. W. S., Lee, N. Y., Gomez-Guijarro, C., Stockmann, M., Magdis, Georgios & Steinhardt, Charles, 22 Jun 2017, In: Nature. 546, 7659, p. 510-513

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

    Reconciling mass functions with the star-forming main sequence via mergers

    Steinhardt, Charles, Yurk, D. & Capak, P. L., 28 Feb 2017, In: Monthly Notices of the Royal Astronomical Society. 468, 1, p. 849-856

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. 2016
  46. A Coherent Study of Emission Lines from Broadband Photometry: Specific Star Formation Rates and [O III]/Hβ Ratio at 3 > z > 6

    Faisst, A. L., Capak, P., Hsieh, B. C., Laigle, C., Salvato, M., Tasca, L., Cassata, P., Davidzon, I., Ilbert, O., Le Fèvre, O., Masters, D., McCracken, H. J., Steinhardt, Charles, Silverman, J. D., de Barros, S., Hasinger, G. & Scoville, N. Z., 1 Apr 2016, In: Astrophysical Journal. 821, 2, 15 p., 122.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 165029013