Refereed Publications

• [82] I. J. M. Crossfield, T. Barman, B. M. S. Hansen & A. W. Howard
  ``WARM ICE GIANT GJ 3470B. I. A FLAT TRANSMISSION SPECTRUM INDICATES A HAZY, LOW-METHANE, AND/OR METAL-RICH ATMOSPHERE''
  to appear in Astronomy & Astrophysics arXiv: 1308.6580 (2013)
  
  
• [81] B. Hansen
  ``In Situ Models for Planet Assembly Around Cool Stars''
  submitted to International Journal of Astrobiology (Special Exoplanets Issue) (2013)
  
  
• [80] S. F. N. Frewen & B. Hansen
  ``Eccentric planets and stellar evolution as a cause of polluted white dwarfs''
  submitted to MNRAS , (2013)
  
  
• [79] B. Hansen & N. Murray
  ``Testing In Situ Assembly with the Kepler Planet Candidate Sample''
  Astrophysical Journal , 775 53 (2013)
  
  
• [78] B. Hansen, J. S. Kalirai, J. Anderson, A. Dotter, H. Richer, R. Rich, M. Shara, G. Fahlman, J. Hurley, I. King, D. Reitzel & P. Stetson,
  ``An Age Difference of 2 Gyr between a Metal-Rich and a Metal-Poor Globular Cluster''
  Nature , 500 51 , Aug 1 (2013)
  
  
• [77] J. S. Kalirai, J. Anderson, A. Dotter, H. B. Richer, G. G. Fahlman, B. M. S. Hansen, J. Hurley, I. N. Reid, R. M. Rich, & M. M. Shara,
  ``ULTRA-DEEP HUBBLE SPACE TELESCOPE IMAGING OF THE SMALL MAGELLANIC CLOUD: THE INITIAL MASS FUNCTION OF STARS WITH M < 1 Solar Mass''
  Astrophysical Journal 763 110 (2013)
  
  
• [76] I. J. M. Crossfield, T. Barman, B. Hansen, I. Tanaka & T. Kodama,
  ``Re-evaluating WASP-12b: Strong Emission at 2.315 µm, Deeper Occultations, and an Isothermal Atmosphere ''
  Astrophysical Journal , 760 140 (2012)
  
  
• [75] B. Hansen
  ``Equilibrium Tide Theory for Extrasolar Planet Systems II''
  Astrophysical Journal , 757 6 (2012)
  
  
• [74] E. Y. Chen & B. Hansen
  ``The Spectral Evolution of Convective Mixing White Dwarfs, the non-DA gap, and White Dwarf Cosmochronology''
  Astrophysical Journal Letters , 753 L16 (2012)
  
  
• [73] I. J. M. Crossfield, B. M. S. Hansen & T. Barman
  ``Ground-based, Near-infrared Exospectroscopy. II. Tentative Detection of Emission From the Extremely Hot Jupiter WASP-12b ''
  Astrophysical Journal ,, 746, 46 (2012)
  
  
• [72] K. Woodley et al.
  `` The Spectral Energy Distributions of White Dwarfs in 47 Tucanae: The Distance to the Cluster ''
  Astronomical Journal , 143, 50 (2012)
  
  
• [71] J. S. Kalirai et al.
  ``A Deep, Wide-field, and Panchromatic View of 47 Tuc and the SMC with HST: Observations and Data Analysis Methods''
  Astronomical Journal , 143, 11 (2012)
  
  
• [70] B. Hansen & N. Murray
  ``Migration then assembly: Formation of Neptune Mass planets inside 1 AU''
  Astrophysical Journal , 751, 158 (2012)
  
  
• [69] E. Koch & B. Hansen
  ``On collisional capture rates of irregular satellites around the gas-giant planets and the minimum mass of the solar nebula''
  Monthly Notices of the Royal Astronomical Society'' (2011) 416, 1274
  
  
• [68] I. J. Crossfield, Barman, T., & B. M. S. Hansen,
  ``High Resolution, Differential, Near-infrared Transmission Spectroscopy of GJ 1214b''
  Astrophysical Journal , (2011), 736,1323
  
  
• [67] E. Y. Chen & B. Hansen
  ``Cooling curves and chemical evolution curves of convective mixing white dwarf stars''
  Monthly Notices of the Royal Astronomical Society , 413 2827 (2011)
  
  
• [66] B. M. S. Hansen
  ``Calibration of Equilibrium Tide Theory for Extrasolar Planet Systems''
  Astrophysical Journal , 723, 285 (2010)
  
  
• [65] I. J. Crossfield, B. M. S. Hansen,J. Harrington, J. Y-K. Cho, D. Deming, K. Menou & S. Seager
  ``A New 24 micron Phase Curve for upsilon Andromedae b''
  Astrophysical Journal 723, 1436 (2010)
  
  
• [64] J. R. Barnes, T. S. Barman, H. R. A. Jones, R. J. Barber, B. M. S. Hansen, L. Prato, E. L. Rice, C. J. Leigh, A. Collier Cameron, D. J. Pinfield,
  ``A search for molecules in the atmosphere of HD189733b''
  Monthly Notices of Royal Astronomical Society , 401, 445 (2009)
  
  
• [63] J. S. Kalirai, D. S. Davis, H. B. Richer, P. Bergeron, M. Catelan, B. Hansen & R. M. Rich,
  ``The Masses of Population II White Dwarfs''
  Astrophysical Journal , 705, 408 (2009)
  
  
• [62] B. Hansen
  ``Formation of the terrestrial planets from a narrow annulus''
  Astrophysical Journal, 703, 1131 (2009)
  
  
• [61] B. Hansen, H.-Y. Shih & T. Currie
  ``The Pulsar Planets: a test case of Terrestrial planet assembly''
  Astrophysical Journal , 691, 382 (2009)
  
  
• [60] F. E. Koch & B. Hansen
  ``Mergers of Black Holes in the Galactic Center ''
  Astrophysical Journal , 687, 252 (2008)
  
  
• [59] E. Rauscher, K. Menou, J. Cho, S. Seager & B. Hansen
  ``On signatures of atmospheric features in thermal phase curves of hot jupiters''
  Astrophysical Journal , 681, 1646 (2008)
  
  
• [58] H. B. Richer et al.
  ``Deep ACS Imaging in the Globular Cluster NGC 6397: The Cluster Color Magnitude Diagram and Luminosity Function''
  Astronomical Journal ; 135, 2141 (2008)
  
  
• [57] J. R. Hurley et al.,
  ``Deep ACS Imaging in the Globular Cluster NGC6397: Dynamical Models''
  Astronomical Journal ; 135, 2129 (2008)
  
  
• [56] J. Anderson et al.
  ``Deep ACS Imaging in the Globular Cluster NGC 6397: Reduction Methods''
  Astronomical Journal ; 135, 2114 (2008)
  
  
• [55] B. Hansen
  ``High Velocity A & B Stars should be slow rotators''
  Astrophysical Journal Letters ; 671, L133 (2007)
  
  
• [54] B. Hansen
  ``On the absorption and redistribution of energy in irradiated planets''
  Astrophysical Journal Supplements ; 179, 484
  
  
• [53] J. Kalirai, B. Hansen, D. Kelson, D. Reitzel, R. Rich & H. Richer
  ``The Initial-Final Mass Relation: First Constraints at the Low Mass End'' .
  Astrophysical Journal ; 676, 594
  
  
• [52] B. Zuckerman, D. Koester, C. Melis, B. Hansen & M. Jura
  `` The Chemical Composition of an Extrasolar Minor Planet'' ,
  Astrophysical Journal ; 671, 872 (2007)
  
  
• [51] B. Hansen & T. Barman
  ``Two Classes of Hot Jupiters''
  Astrophysical Journal ; 671, 861 (2007)
  but stick to the preprint ( astro-ph/0706.3052 ) because the ApJ production office screwed up the figure ordering and won't fix it (AAS policy...)
  
  
• [50] J. Kalirai, P. Bergeron, B. Hansen, D. Kelson, D. Reitzel, R. Rich & H. Richer
  ``Stellar Evolution in NGC6791: Mass Loss on the Red Giant Branch and the Formation of Low Mass White Dwarfs''
  Astrophysical Journal ; 671, 748
  
  
• [49] B. Hansen, J. Anderson, J. Brewer, A. Dotter, G. Fahlman, J. Hurley, I. King, D. Reitzel, H. Richer, R. Rich, M. Shara & P. Stetson
  ``The White Dwarf Cooling Sequence of NGC6397'' ,
  Astrophysical Journal ; 671, 380 (2007)
  
  
• [48] J. H. Debes, S. Sigurdsson & B. Hansen
  ``Cool Customers in the Stellar Graveyard IV: Spitzer Search for Mid-IR excesses around five DAs'' ,
  Astronomical Journal ; 134, 1662 (2007)
  
  
• [47] T. Currie & B. Hansen
  ``The Evolution of Protoplanetary Disks around Millisecond Pulsars: The PSR 1257+12 System"
  in Astrophysical Journal ; 666, 1232 (2007)
  
  
• [46] J. Cho, K. Menou, B. Hansen & S. Seager
  ``Atmospheric Circulation of Close-In Extrasolar Giant Planets I: Global, Barotropic, Adiabatic Simulations ,
  in Astrophysical Journal ; 675, 817 (2008)
  
  
• [45] E.Rauscher, K. Menou, J. Cho, S. Seager, & B. Hansen
  ``Hot Jupiter Variability in Eclipse Depth'' ,
  Astrophysical Journal Letters ; 662, L115 (2007)
  
  
• [44] E.Rauscher, K. Menou, S. Seager, D. Deming, J. Cho & B. Hansen
  ``Toward Eclipse Mapping of Hot Jupiters'' ,
  Astrophysical Journal ; 664, 1119 (2007)
  
  
• [43] J. Kalirai, J. Anderson, H. Richer, I. King, J. Brewer, G. Carraro, S. Davis, G. Fahlman, B. Hansen, J. Hurley, S. Lepine, D. Reitzel, R. Rich, M. Shara & P. Stetson,
  ``The Space Motion of the Globular Cluster NGC 6397'' ,
  Astrophysical Journal Letters ; 657, L93 (2007)
  
  
• [42] J. Harrington, B. Hansen, S. Luszcz, S. Seager, D. Deming, K. Menou, J. Cho, L. J. Richardson
  ``The Phase-Dependent Infrared Brightness of the Extrasolar Planet upsilon Andromedae b'' ,
  Science , October 27 , (2006)
  see, also, the press release.
  
  
• [41] S. Berukoff & B. Hansen
  ``Cluster Core Dynamics in the Galactic Center'' ,
  Astrophysical Journal 650, 901 (2006)
  
  
• [40] H.B.Richer, et al
  ``Probing the Faintest Stars in a Globular Star Cluster'' ,
  Science , 313, 936, (2006)
  
  
• [39] B. Hansen, S. Kulkarni & S. Wiktorowicz
  ``A Spitzer Search for Infrared Excesses around Massive Young White Dwarfs'' ,
  Astronomical Journal, 131, 1106 (2006)
  
  
• [38] J. Prochaska et al.
  ``The Galaxy Hosts and Large-Scale Environments of Short-Hard Gamma-ray Bursts'' ,
  Astrophysical Journal 642, 989 (2006)
  
  
• [37] B. Hansen
  ``White Dwarfs in NGC 6791: Avoiding the Helium Flash'' ,
  Astrophysical Journal 635, 522 (2005)
  
  
• [36] S. Seager, L. J. Richardson, B. Hansen, K. Menou, J. Y-K. Cho & D. Deming
  ``On the Dayside Thermal Emission of Hot Jupiters'' ,
  Astrophysical Journal 632, 1122 (2005)
  
  
• [35] J. Kalirai, H. Richer, B. Hansen, D. Reitzel & R. Rich
  ``The Dearth of Massive, Helium-Rich White Dwarfs in Young Open Star Clusters'' ,
  Astrophysical Journal Letters 618, L129 (2005)
  
  
• [34] J. Kalirai, H. Richer, D. Reitzel, B. Hansen, R. Rich, G. Fahlman, B. Gibson & T. Von Hippel
  ``The Initial-Final Mass Relationship: Spectroscopy of White Dwarfs in NGC 2099 (M37)'' ,
  Astrophysical Journal Letters 618, L123 (2005)
  
  
• [33] B. Hansen, H. Richer, G. Fahlman, P. Stetson, J. Brewer, T. Currie, B. Gibson, R. Ibata, R. M. Rich & M. Shara
  ``HST Observations of the White Dwarf Cooling Sequence of M4'' ,
  Astrophysical Journal Supplements 155 551 (2004)
  
  
• [32] B. Hansen
  ``The Astrophysics of Cool White Dwarfs''
  Physics Reports 399 1 (2004)
  
  
• [31] H.B.Richer, J. Brewer, G.G. Fahlman, J. Kalirai, P.B. Stetson, B. Hansen, R.M. Rich, R. Ibata, B.K. Gibson & M.M. Shara
  ``Concerning the White Dwarf Cooling Age of M4: A Reply to De Marchi et al. on ``A Different Interpretation of Recent Deep HST Observations'''' ,
  Astronomical Journal 127 2904 (2004)
  
  
• [30] H.B. Richer, G.G. Fahlman, J. Brewer, S. Davis, J. Kalirai, P. B. Stetson, B. Hansen, R. M. Rich, R. Ibata, B. K. Gibson & M. M. Shara
  ``Hubble Space Telescope Observations of the Main Sequence of M4'' ,
  Astronomical Journal 127 2771 (2004)
  
  
• [29] S. Salim, R. M. Rich, B. Hansen, L. V. E. Koopmans, B. Oppenheimer & R. D. Blandford,
  ``Cool White Dwarfs Revisited: New Spectroscopy & Photometry'' ,
  Astrophysical Journal 601 1075 (2004)
  
  
• [28] J.S.Kalirai, H.B.Richer, B.Hansen, J.Brewer, G.G. Fahlman, B.D. Gibson, R.Ibata, R.M.Rich & P.B.Stetson,
  ''The Galactic Inner Halo: Searching for White Dwarfs and Measuring the Fundamental Galactic Constant, V0/R0 ''
  Astrophysical Journal 601, 277 (2004)
  
  
• [27] R.D.Ferdman, J. Brewer, G.G.Fahlman, B.K.Gibson, B.M.S.Hansen, M.E.Huber, R.I.Ibata, J.S.Kalirai, J.M.Matthews, R.M.Rich, H.B.Richer, J.F.Rowe, M.M.Shara, & P.B.Stetson,
  ``Searching for Variability in the Globular Cluster Messier 4''
  Astronomical Journal 127, 380 (2004)
  
  
• [26] B.M.S. Hansen & M. Milosavljevic,
  ``The need for a second black hole at the galactic center''
  Astrophysical Journal Letters 593 L77 (2003)
  see also New Scientist
  
  
• [25] S. Sigurdsson, H.B.Richer, B.M.S.Hansen, I.H.Stairs & S.E.Thorsett,
  ''A young white dwarf companion to pulsar B1620-26: Evidence for early planet formation''
  Science 301, 193 (2003),
  see the SSU or Comedy Central
  
  
• [24] B. M. S. Hansen & J. Liebert,
  '' Cool White Dwarfs ''
  Annual Reviews of Astronomy & Astrophysics 41 , 465-515 (2003)
  
  
• [23] J. Cho, K. Menou, B. Hansen & S. Seager,
  ''The changing face of the extrasolar giant planet, HD209458b''
  Astrophysical Journal Letters 587 L117 (2003)
  
  
• [22] K.Menou, J. Cho, S. Seager & B. Hansen
  ''Weather variability of close-in extrasolar giant planets''
  Astrophysical Journal Letters 587 L113 (2003)
  
  
• [21] B. M. S. Hansen, V. Kalogera & F. A. Rasio,
  ''Helium Core White Dwarfs in Globular Clusters ''
  Astrophysical Journal 586 1364 (2003)
  
  
• [20] B. M. S.Hansen,
  ''Type Ia Supernovae and High Velocity White Dwarfs'' ,
  Astrophysical Journal 582 915 (2003)
  
  
• [19] B. M. S. Hansen et al.,
  ''The White Dwarf Cooling Sequence of the Globular Cluster Messier 4''
  Astrophysical Journal Letters 574, L155 (2002),
  see the SSU
  
  
• [18] H. B. Richer et al.,
  ''The Main Sequence and Mass Function of the Globular Cluster Messier 4''
  Astrophysical Journal Letters 574, L151 (2002)
  
  
• [17] C. Stoughton et al.,
  ''Sloan Digital Sky Survey: Early Data Release''
  Astronomical Journal , 123, 485 (2002)
  
  
• [16] B. M. S. Hansen,
  ''Halo White Dwarfs, Thick Disks and a Sanity Check.''
  Astrophysical Journal , 558, L39 (2001)
  
  
• [15] N. Murray, B. Chaboyer, P. Arras, B. Hansen, & R. W. Noyes,
  '' Stellar Pollution in the Solar Neighbourhood'',
  Astrophysical Journal , 555, 801 (2001)
  
  
• [14] B. M. S. Hansen & M. Lyutikov,
  '' Radio and X-ray signatures of merging neutron stars''
  Monthly Notices of Royal Astronomical Society , 322, 695 (2001)
  
  
• [13] H. C. Harris, B. M. S. Hansen, et al.,
  ''A New Very Cool White Dwarf discovered by the Sloan Digital Sky Survey'' ,
  Astrophysical Journal, 549, L109 (2001)
  
  
• [12] H. B. Richer, B. Hansen, et al.,
  ''Isochrones and Luminosity Functions for Old White Dwarfs'' ,
  Astrophysical Journal , 529, 318 (2000)
  
  
• [11] P. J. Armitage & B. M. S. Hansen,
  ''Early Planet Formation as a trigger for further planet formation'' ,
  Nature , 402, 633 (1999)
  
  
• [10] B. M. S. Hansen,
  ''The Origin of Primordial Dwarf Stars and Baryonic Dark Matter''
  Astrophysical Journal Letters , 517, L39 (1999)
  
  
• [9] B. M. S. Hansen,
  ''Cooling Models for Old White Dwarfs''
  Astrophysical Journal , 520, 680 (1999)
  
  
• [8] B. M. S. Hansen,
  ''On the Frequency and Remnants of Hypernovae'' ,
  Astrophysical Journal Letters , 512, L117 (1999)
  
  
• [7] M. B. Davies & B. M. S. Hansen,
  ''Neutron Star Retention and Millisecond Pulsar Production in Globular Clusters'' ,
  Monthly Notices of Royal Astronomical Society , 301, 15 (1998)
  
  
• [6] B. M. S. Hansen,
  '' Old and Blue White Dwarfs as a detectable source of microlensing events'' ,
  Nature , 394, 860 (1998)
  See Nature News & Views
  
  
• [5] B. M. S. Hansen & C. Murali,
  ''Gamma Ray Bursts from Stellar Collisions''
  Astrophysical Journal Letters , 505, L15 (1998)
  
  
• [4] N. Murray, B. Hansen, M. Holman & S. Tremaine,
  '' Migrating Planets''
  Science , 279, 69 (1998)
  
  
• [3] B.M.S.Hansen & E.S.Phinney,
  ''Stellar Forensics: II - Millisecond Pulsar Binaries''
  Monthly Notices of Royal Astronomical Society , 294, 569 (1998)
  
  
• [2] B.M.S.Hansen & E.S.Phinney,
  ''Stellar Forensics: I - Cooling Curves''
  Monthly Notices of Royal Astronomical Society , 294, 557 (1998)
  
  
• [1] B.M.S.Hansen & E.S.Phinney,
  ''The Pulsar Kick Velocity Distribution''
  Monthly Notices of Royal Astronomical Society, 291, 569 (1997)

Unrefereed Publications

• J.X.Prochaska, J. Bloom, H.-W. Chen, B. Hansen, J. Kalirai, M. Rich and H. Richer
  "GRB 050724: Secure Host Redshift from Keck "
  GCN GRB Observation Report #3700
• B. M. S. Hansen, "Discoveries from the Stellar Graveyard"
  HUBBLE 2004 Science Year in Review
• S.R.Kulkarni, B. M. S. Hansen, E. S. Phinney, M.H. van Kerkwijk & G. Vasisht,
  "Exceptional Stars: Origins, Companions, Masses and Planets"
  Science with the Space Interferometry Mission Project Summaries , ed. S. Unwin & S. Turyshev (2003)
• B.M.S.Hansen, ''Theoretical Implications of White Dwarf Observations'' KITP Proceedings Jan 8, 2003
• B.M.S.Hansen, ''A Bright Future for Dark Matter'' Nature 403,30 (2000)
• B.M.S.Hansen, ''Stellar Collisions & Pulsar Planets'' in Stellar Collisions, Mergers & their Consequences, astro-ph/0008226
• B.M.S.Hansen, ''Old White Dwarfs as a Microlensing Population'' in Microlensing 2000 astro-ph/0004133
• B.M.S.Hansen, ''Millisecond Pulsar Ages & Spin Periods'' in Neutron Stars & Pulsars: Thirty Years after the Discovery , 191 (1998)
• E.S.Phinney & B.M.S. Hansen, ''The Pulsar Planet Production Process'' in Planets around Pulsars ASP Conf. Series, 36, 371 (1993)

In preparation

• I. J. Crossfield et al.
  "GJ 3470 "
  
  
• B. Hansen
  "Drift and Circulation of Solids in Protoplanetary Disks"