Publications

Peer Reviewed

  1. Steffen, J.H., ``Kepler's missing planets'', MNRAS, Submitted, (2013) arXiv:1301.2394
  2. Steffen, J.H., et al., ``Transit Timing Observations from Kepler: VII. Confirmation of 27 planets in 13 multiplanet systems via Transit Timing Variations and orbital stability'', MNRAS, in press, (2012) arXiv:1208.3499
  3. Steffen, J.H., et al., ``Transit Timing Observations from Kepler: VI. Potentially interesting candidate systems from Fourier-based statistical tests'', ApJ, 756, 186, (2012) arXiv:1201.1873
  4. Ford, E.B., et al., ``Transit Timing Observations from Kepler: V. Transit Timing Variation Candidates in the First Seventeen Months from Polynomial Models'', ApJ, 756, 185, (2012) arXiv:1201.1892
  5. Carter, J.A., Agol, E., et al., ``Kepler-36: A Pair of Planets with Neighboring Orbits and Dissimilar Densities'', Science, 337, 556, (2012) arXiv:1206.4718
  6. Upadhye, A., Steffen, J.H., and Chou, A.S., ``Designing dark energy afterglow experiments'', PRD, 86, 035006, (2012) arXiv:1204.5476
  7. Howard, A.W., et al., ``Planet Occurrence within 0.25 AU of Solar-type Stars from Kepler'', ApJS, 201, 15, (2012) arXiv:1103.2541
  8. Steffen, J.H., Upadhye, A., Baumbaugh, A., Chou, A.S., and Tomlin, R., ``Anomalous afterglow seen in a chameleon afterglow search'', PRD, 86, 012003, (2012) arXiv:1204.5476
  9. Steffen, J.H., et al., "Kepler constraints on planets near hot Jupiters", PNAS, 109, 7982, (2012) arXiv:1205.2309
  10. Fabrycky, D.C., et al., "Architecture of Kepler's Multi-transiting Systems: II. New investigations with twice as many candidates", ApJ, Submitted, (2012) arXiv:1202.6328
  11. Batalha, N.M., et al., "Planetary Candidates Observed by Kepler, III: Analysis of the First 16 Months of Data", ApJ, Submitted, (2012) arXiv:1202.5852
  12. Borucki, W.J., et al., "Kepler-22b: A 2.4 Earth-radius Planet in the Habitable Zone of a Sun-like Star", ApJ, 745, 120, (2012), arXiv:1112.1640
  13. Welsh, W.W. et al., "Transiting circumbinary planets Kepler-34 b and Kepler-35 b", Nature, 481, 475 (2012)
  14. Fabrycky, D.C., Ford, E.B., Steffen, J.H., et al., "Transit Timing Observations from Kepler: IV. Confirmation of 4 Multiple Planet Systems by Simple Physical Models", ApJ, In Press, (2012) arXiv:1201.5415
  15. Steffen, J.H., Fabrycky, D.C., Ford, E.B., et al., "Transit Timing Observations from Kepler: III. Confirmation of 4 Multiple Planet Systems by a Fourier-Domain Study of Anti-correlated Transit Timing Variations", MNRAS, In Press, (2012) arXiv:1201.5412
  16. Ford, E.B., Fabrycky, D.C., Steffen, J.H., et al., "Transit Timing Observations from Kepler: II. Confirmation of Two Multiplanet Systems via a Non-parametric Correlation Analysis", ApJ, In Press, (2012) arXiv:1201.5409
  17. Ballard, S., et al., "The Kepler-19 System: A Transiting 2.2 R_Earth Planet and a Second Planet Detected via Transit Timing Variations", ApJ, 743, 200 (2011) arXiv:1109.1561
  18. Lissauer, J.J., et al, "Architecture and Dynamics of Kepler's Candidate Multiple Transiting Planet Systems", ApJS, 197, 8 (2011) arXiv:1102.0543
  19. Cochran, W.D., et al., "Kepler 18-b, c, and d: A System Of Three Planets Confirmed by Transit Timing Variations, Lightcurve Validation, Spitzer Photometry and Radial Velocity Measurements", ApJS, 197, 7 (2011) arXiv:1110.0820
  20. Ford, E.B., et al, "Transit Timing Observations from Kepler: I. Statistical Analysis of the First Four Months", ApJS, 197, 2 (2011) arXiv:1102.0544
  21. Steffen, J.H., et al "The architecture of the hierarchical triple star KOI 928 from eclipse timing variations seen in Kepler photometry", MNRAS Letters, 417, L31, arXiv:1106.4530
  22. Doyle, L., et al., "Kepler 16: A Transiting Circumbinary Planet", Science, 16, 333, 6049 (2011) arXiv:1109.3432
  23. Steffen, J.H. and Hotchkiss, J., "Experimental test of airplane boarding methods", Jour. Air. Trans. Mgmt., 18, 64 (2011) arXiv:1108.5211
  24. Borucki, W.J., et al, "Characteristics of Kepler Planetary Candidates Based on the First Data Set", ApJ, 736, 19 (2012) arXiv:1102.0541
  25. Latham, D.W., et al "A First Comparison of Kepler Planet Candidates in Single and Multiple Systems", ApJ Letters, 732, 24 (2011), arXiv:1103.3896
  26. Hooper, D. & Steffen, J.H. "Dark Matter And The Habitability of Planets", JCAP, 07, 046, (2012) arXiv:1103.5086
  27. Batalha, N.M., et al "Kepler's first rocky planet: Kepler-10b", ApJ, 729, 27 (2011), arXiv:1102.0605
  28. Carter, J.A., et al "KOI-126: A triply-eclipsing hierarchical triple with two low-mass stars", Science, 331, 562 (2011), arXiv:1102.0562
  29. Lissauer, J.J., et al, "A closely packed system of low-mass, low-density planets transiting Kepler-11", Nature (Cover Story), 470, 53 (2011), arXiv:1102.0291
  30. Borucki, W.J., et al, "Characteristics of Kepler Planetary Candidates Based on the First Data Set", ApJ, 728, 117 (2010), arXiv:1006.2799
  31. Torres, G., et al, "Modeling Kepler transit light curves as false positives: Rejection of blend scenarios for Kepler-9, and validation of Kepler-9d, a super-Earth-size planet in a multiple system", ApJ, 727, 24 (2010), arXiv:1008.4393
  32. Steffen, J.H., Baumbaugh, A., Chou, A.S., Mazur, P.O., Tomlin, R., Upadhye, A., Weltman, A., Wester, W., "Laboratory constraints on chameleon dark energy and power-law fields", PRL, 105, 261803 (2010), arXiv:1010.0988
  33. Steffen, J.H., et al, "Five Kepler target stars that show multiple transiting exoplanet candidates", ApJ, 725, 7226 (2010), arXiv:1006.2763
  34. Holman, M., et. al, "Kepler-9: A system of Multiple Planets Transiting a Sun-like Star, Confirmed by Timing Variations", Science (Cover Story), 330, 6000, (2010)
  35. Agol, E., Cowan, N. B., Knutson, H. A., Deming, D., Steffen, J. H., Henry, G. W., Charbonneau, D., "The climate of HD 189733b from fourteen transits and eclipses measured by Spitzer", ApJ, 721, 1861, arXiv:1007.4378 (2010)
  36. Borucki, W.J., et. al, "Kepler Planet Detection Mission: Introduction and First Results", Science, Vol. 327. no. 5968, pp. 977 - 980 (2010)
  37. Gilliland, R., et. al, "Kepler Asteroseismology Program: Introduction and First Results", Publications of the Astronomical Society of the Pacific, 122, 131 (2010)
  38. Upadhye, A., Steffen, J.H., & Weltman, A., "Constraining chameleon field theories using the GammeV afterglow experiment", Physical Review D, 81, 015013 (2010), arXiv:0911.3906.
  39. Steffen, J.H., Moore, M.W., & Boynton, P.E., "Optimal Estimation of Several Linear Parameters in the Presence of Lorentzian Thermal Noise", Classical and Quantum Gravity, 26, 185009, (2009). arXiv:0805.0027
  40. Steffen, J.H. & Upadhye, A., "The GammeV Suite of Experimental Searches for Axion-like Particles", invited review, Modern Physics Letters A, Vol. 24, No. 26, pp. 2053-2068 (2009). arXiv:0908.1529
  41. Chou, A.S., Wester, W., Baumbaugh, A., Gustafson, H.R., Irizarry-Valle, Y., Mazur, P.O., Steffen, J.H., Tomlin, R., Upadhye, A., Weltman, A., Yang, X., & Yoo, J., "Search for chameleon particles using a photon regeneration technique", Physical Review Letters, 102, 030402, (2009). arXiv:0806.2438
  42. Steffen, J.H., "A statistical mechanics model for free-for-all airplane passenger boarding", American Journal of Physics, Vol. 76, No. 12, pp. 1114-1119, (2008). arXiv:0803.3199
  43. Steffen, J.H. & Valenzuela, O., "Constraints on the angular distribution of satellite galaxies about spiral hosts", Monthly Notices of the Royal Astronomical Society, Volume 387, p. 1199 (2008). arXiv:0712.2363
  44. Steffen, J.H., "Optimal boarding method for airline passengers", Journal of Air Transport Management, Volume 14, Issue 3, pp. 146-150, (2008). arXiv:0802.0733
  45. Chou, A.S., Wester, W., Baumbaugh, A., Gustafson, H.R., Irizarry-Valle, Y., Mazur, P.O., Steffen, J.H., Tomlin, R., Yang, X., Yoo, J., "Search for axion-like particles using a variable baseline photon regeneration technique", Physical Review Letters, 100, 080402, (2008). arXiv:0710.3783
  46. Agol, E. & Steffen, J.H., "A limit on the presence of Earth-mass planets around a Sun-like star", Monthly Notices of the Royal Astronomical Society, Volume 374, p. 941 (2007). arXiv:astro-ph/0610159
  47. Steffen, J.H. & Agol, E., "An analysis of the transit times of TrES-1b", Monthly Notices of the Royal Astronomical Society Letters, Volume 364, Issue 1, p. 96, (2005). arXiv:astro-ph/0509656
  48. Moore, M.W., Steffen, J.H., & Boynton, P.E., "Optimal determination of the equilibrium displacement of a damped harmonic oscillator in the presence of thermal noise", Review of Scientific Instruments, Volume 76, p. 085106 (2005). arXiv:physics/0412102
  49. Agol, E., Steffen, J., Sari, R., & Clarkson, W., "On detecting terrestrial planets with the timing of giant planet transits", Monthly Notices of the Royal Astronomical Society, Volume 359, Issue 2, pp. 567-579 (2005). arXiv:astro-ph/0412032
  50. Steffen, J.H., "Exploring 5th force interactions with 18th century technology", International Journal of Modern Physics D, Volume 13, Issue 10, pp. 2249-2254 (2004). arXiv:gr-qc/0503081


Conference Proceedings and Other

  1. Hewett, J.L., et al., ``Fundamental Physics at the Intensity Frontier'', Proceedings of the 2011 workshop on Fundamental Physics at the Intensity Frontier, (2011), arXiv:1205.2671.
  2. Steffen, J.H., for the GammeV--CHASE collaboration, "The CHASE laboratory search for chameleon dark energy", Proceedings of identification of dark matter (IDM) 2010, Proceedings of Science, (2010) arXiv:1011.3802v2
  3. Steffen, J.H., for the GammeV--CHASE collaboration, "The CHASE laboratory search for chameleon dark energy", Proceedings of the international conference for high energy physics (ICHEP) 2010, Proceedings of Science, (2010) arXiv:1011.3802v1
  4. Steffen, J.H., for the GammeV collaboration, "Constraints on Chameleons and Axion-like Particles from the GammeV Experiment", Proceedings of identification of dark matter 2008, Proceedings of Science, (2008). arXiv:0810.5070
  5. Agol, E., Cowan, N.B., Bushong, J., Knutson, H., Charbonneau, D., Deming, D., & Steffen, J.H., "Transits and secondary eclipses of HD 189733 with Spitzer", Proceedings of IAU Symposium No. 253 "Transiting Planets", (2008). arXiv:0807.2434
  6. Steffen, J.H., Gaudi, B.S., Ford, E.B., Agol, E., & Holman, M.J., "Detecting and Characterizing Planetary Systems with Transit Timing", White paper submitted to the Exoplanet Task Force, (2007). arXiv:0704.0632
  7. Steffen, J.H. & Agol, E., "Developments in Planet Detection using Transit Timing Variations", ASP Conference Series, "Transiting Extrasolar Planets Workshop" MPIA Heidelberg Germany, Eds: Cristina Afonso, David Weldrake & Thomas Henning, ASPC, Volume 366, p. 158, (2007). arXiv:astro-ph/0612442
  8. Boynton, P.E., Bonicalzi, R.M., Kalet, A.M., Kleczewski, A.M., Lingwood, J.K., McKenney, K.J., Moore, M.W., Steffen, J.H., Berg, E.C., Cross, W.D., Newman, R.D., & Gephart, R.E., "Gravitation Physics at BGPL", Proceedings of the Francesco Melchiorri Memorial Conference, New Astronomy Reviews, Volume 51, p. 334, (2007). arXiv:gr-qc/0609095
  9. Steffen, J.H., Ph.D. Dissertation, "Detecting new planets in transiting systems", (2006). arXiv:astro-ph/0609492
  10. Berg, E.C., Cross, W.D., Newman, R.D., Boynton, P.E., Moore, M.W., & Steffen, J.H., "Planned tests of the equivalence principle with a cryogenic torsion pendulum", Contribution to Testing The Equivalence Principle on Ground and in Space, Ed. Lammerzahl, C., Everitt, C.W.F., & Ruffini, R., (Springer-Verlag: London), (2005).
  11. Steffen, J.H., "Symmetry in a perturbed optical system", (2005). arXiv:physics/0503129
  12. Berg, E.C., Bantel, M.K., Cross, W.D., Inoue, T, Newman, R.D., Steffen, J.H., Moore, M.W., & Boynton, P.E., "Laboratory tests of gravitational physics using a cryogenic torsion pendulum", Proceedings of 10th Marcel Grossman Meeting, Ed. Ruffini, R., et al. (World Scientific: Singapore), (2005). arXiv:gr-qc/0403021


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