Johnathon Ahlers

Johnathon Ahlers

  • NASA POSTDOCTORAL PROGRAM FELL
  • 301.286.6281
  • NASA/GSFC
  • Mail Code: 667
  • Greenbelt , MD 20771
  • Employer: UNIVERSITY OF MARYLAND BALTIMORE CO
  • Positions/Employment

    12/2018 - Present

    NASA Postdoctoral Program Fellow

    NASA/GSFC & USRA, 8800 Greenbelt Rd, Greenbelt, MD 20771

    Research Interests

    Exoplanet Detection and Characterization

    Detecting and characterizing planets using space-based photometry from telescopes such as Kepler and TESS.

    Exoplanet Formation and Evolution

    Investigating how planets around other stars form and evolve differently than the planets in our solar system.

    Exoplanet Habitability

    Exploring planet habitability, with an emphasis on planets orbiting stars slightly more massive than the Sun.

    Selected Publications

    Refereed

    Myers, S. A., J. W. Barnes, and J. P. Ahlers. 2021. "Constraints on Sub-Neptune Planet Candidate KOI-972.01 via Joint Variability/Gravity-darkening Analysis." The Planetary Science Journal, 2 (1): 35 [10.3847/psj/abdb2e]

    Colón, K. D., L. Kreidberg, L. Welbanks, et al. M. R. Line, N. Madhusudhan, T. Beatty, P. Tamburo, K. B. Stevenson, A. Mandell, J. E. Rodriguez, T. Barclay, E. D. Lopez, K. G. Stassun, D. Angerhausen, J. J. Fortney, D. J. James, J. Pepper, J. P. Ahlers, P. Plavchan, S. Awiphan, C. Kotnik, K. K. McLeod, G. Murawski, H. Chotani, D. LeBrun, W. Matzko, D. Rea, M. Vidaurri, S. Webster, J. K. Williams, L. S. Cox, N. Tan, and E. A. Gilbert. 2020. "An Unusual Transmission Spectrum for the Sub-Saturn KELT-11b Suggestive of a Subsolar Water Abundance." The Astronomical Journal, 160 (6): 280 [10.3847/1538-3881/abc1e9]

    Wong, I., A. Shporer, D. Kitzmann, et al. B. M. Morris, K. Heng, H. J. Hoeijmakers, B.-O. Demory, J. P. Ahlers, M. Mansfield, J. L. Bean, T. Daylan, T. Fetherolf, J. E. Rodriguez, B. Benneke, G. R. Ricker, D. W. Latham, R. Vanderspek, S. Seager, J. N. Winn, J. M. Jenkins, C. J. Burke, J. L. Christiansen, Z. Essack, M. E. Rose, J. C. Smith, P. Tenenbaum, and D. Yahalomi. 2020. "Exploring the Atmospheric Dynamics of the Extreme Ultrahot Jupiter KELT-9b Using TESS Photometry." The Astronomical Journal, 160 (2): 88 [10.3847/1538-3881/aba2cb]

    Ahlers, J. P., E. Kruse, K. D. Colón, et al. P. Dorval, G. J. Talens, I. Snellen, S. Albrecht, G. Otten, G. Ricker, R. Vanderspek, D. Latham, S. Seager, J. Winn, J. M. Jenkins, K. Haworth, S. Cartwright, R. Morris, P. Rowden, P. Tenenbaum, and E. B. Ting. 2020. "Gravity-darkening Analysis of the Misaligned Hot Jupiter MASCARA-4 b." The Astrophysical Journal, 888: [Full Text (Link)] [10.3847/1538-4357/ab59d0]

    Ahlers, J. P., M. C. Johnson, K. G. Stassun, et al. K. D. Colón, J. W. Barnes, D. J. Stevens, T. Beatty, B. S. Gaudi, K. A. Collins, J. E. Rodriguez, G. Ricker, R. Vanderspek, D. Latham, S. Seager, J. Winn, J. M. Jenkins, D. A. Caldwell, R. F. Goeke, H. P. Osborn, M. Paegert, P. Rowden, and P. Tenenbaum. 2020. "KELT-9 b's Asymmetric TESS Transit Caused by Rapid Stellar Rotation and Spin-Orbit Misalignment." The Astronomical Journal, 160: [Full Text (Link)] [10.3847/1538-3881/ab8fa3]

    Ahlers, J. P., J. W. Barnes, and S. A. Myers. 2019. "Dealing With δ-Scuti Variables: Transit Light Curve Analysis of Planets Orbiting Rapidly Rotating, Seismically Active A/F Stars." The Astronomical Journal, 158: [Full Text (Link)] [10.3847/1538-3881/ab27c4]

    Ahlers, J. P., J. W. Barnes, S. A. Horvath, S. A. Myers, and M. M. Hedman. 2018. "LASR-guided stellar photometric variability subtraction. The Linear Algorithm for Significance Reduction." Astronomy & Astrophysics, 615: [Full Text (Link)] [10.1051/0004-6361/201732446]

    Ahlers, J. P. 2016. "Gravity-darkened Seasons: Insolation Around Rapid Rotators." The Astrophysical Journal, 832: [Full Text (Link)] [10.3847/0004-637X/832/1/93]

    Ahlers, J. P., J. W. Barnes, and R. Barnes. 2015. "Spin-Orbit Misalignment of Two-Planet-System KOI-89 Via Gravity Darkening." The Astrophysical Journal, 814: [Full Text (Link)] [10.1088/0004-637X/814/1/67]

    Ahlers, J. P., S. A. Seubert, and J. W. Barnes. 2014. "Spin-Orbit Alignment for 110 Day Period KOI368.01 from Gravity Darkening." The Astrophysical Journal, 786: [Full Text (Link)] [10.1088/0004-637X/786/2/131]

    Selected Publications

    Refereed

    Myers, S. A., J. W. Barnes, and J. P. Ahlers. 2021. "Constraints on Sub-Neptune Planet Candidate KOI-972.01 via Joint Variability/Gravity-darkening Analysis." The Planetary Science Journal 2 (1): 35 [10.3847/psj/abdb2e]

    Colón, K. D., L. Kreidberg, L. Welbanks, et al. M. R. Line, N. Madhusudhan, T. Beatty, P. Tamburo, K. B. Stevenson, A. Mandell, J. E. Rodriguez, T. Barclay, E. D. Lopez, K. G. Stassun, D. Angerhausen, J. J. Fortney, D. J. James, J. Pepper, J. P. Ahlers, P. Plavchan, S. Awiphan, C. Kotnik, K. K. McLeod, G. Murawski, H. Chotani, D. LeBrun, W. Matzko, D. Rea, M. Vidaurri, S. Webster, J. K. Williams, L. S. Cox, N. Tan, and E. A. Gilbert. 2020. "An Unusual Transmission Spectrum for the Sub-Saturn KELT-11b Suggestive of a Subsolar Water Abundance." The Astronomical Journal 160 (6): 280 [10.3847/1538-3881/abc1e9]

    Wong, I., A. Shporer, D. Kitzmann, et al. B. M. Morris, K. Heng, H. J. Hoeijmakers, B.-O. Demory, J. P. Ahlers, M. Mansfield, J. L. Bean, T. Daylan, T. Fetherolf, J. E. Rodriguez, B. Benneke, G. R. Ricker, D. W. Latham, R. Vanderspek, S. Seager, J. N. Winn, J. M. Jenkins, C. J. Burke, J. L. Christiansen, Z. Essack, M. E. Rose, J. C. Smith, P. Tenenbaum, and D. Yahalomi. 2020. "Exploring the Atmospheric Dynamics of the Extreme Ultrahot Jupiter KELT-9b Using TESS Photometry." The Astronomical Journal 160 (2): 88 [10.3847/1538-3881/aba2cb]

    Ahlers, J. P., E. Kruse, K. D. Colón, et al. P. Dorval, G. J. Talens, I. Snellen, S. Albrecht, G. Otten, G. Ricker, R. Vanderspek, D. Latham, S. Seager, J. Winn, J. M. Jenkins, K. Haworth, S. Cartwright, R. Morris, P. Rowden, P. Tenenbaum, and E. B. Ting. 2020. "Gravity-darkening Analysis of the Misaligned Hot Jupiter MASCARA-4 b." The Astrophysical Journal 888 [Full Text (Link)] [10.3847/1538-4357/ab59d0]

    Ahlers, J. P., M. C. Johnson, K. G. Stassun, et al. K. D. Colón, J. W. Barnes, D. J. Stevens, T. Beatty, B. S. Gaudi, K. A. Collins, J. E. Rodriguez, G. Ricker, R. Vanderspek, D. Latham, S. Seager, J. Winn, J. M. Jenkins, D. A. Caldwell, R. F. Goeke, H. P. Osborn, M. Paegert, P. Rowden, and P. Tenenbaum. 2020. "KELT-9 b's Asymmetric TESS Transit Caused by Rapid Stellar Rotation and Spin-Orbit Misalignment." The Astronomical Journal 160 [Full Text (Link)] [10.3847/1538-3881/ab8fa3]

    Ahlers, J. P., J. W. Barnes, and S. A. Myers. 2019. "Dealing With δ-Scuti Variables: Transit Light Curve Analysis of Planets Orbiting Rapidly Rotating, Seismically Active A/F Stars." The Astronomical Journal 158 [Full Text (Link)] [10.3847/1538-3881/ab27c4]

    Ahlers, J. P., J. W. Barnes, S. A. Horvath, S. A. Myers, and M. M. Hedman. 2018. "LASR-guided stellar photometric variability subtraction. The Linear Algorithm for Significance Reduction." Astronomy & Astrophysics 615 [Full Text (Link)] [10.1051/0004-6361/201732446]

    Ahlers, J. P. 2016. "Gravity-darkened Seasons: Insolation Around Rapid Rotators." The Astrophysical Journal 832 [Full Text (Link)] [10.3847/0004-637X/832/1/93]

    Ahlers, J. P., J. W. Barnes, and R. Barnes. 2015. "Spin-Orbit Misalignment of Two-Planet-System KOI-89 Via Gravity Darkening." The Astrophysical Journal 814 [Full Text (Link)] [10.1088/0004-637X/814/1/67]

    Ahlers, J. P., S. A. Seubert, and J. W. Barnes. 2014. "Spin-Orbit Alignment for 110 Day Period KOI368.01 from Gravity Darkening." The Astrophysical Journal 786 [Full Text (Link)] [10.1088/0004-637X/786/2/131]

                                                                                                                                                                                            
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