• Corpus ID: 8075117

A Lack of Planets in 47 Tucanae from an HST Search

  title={A Lack of Planets in 47 Tucanae from an HST Search},
  author={Ronald L. Gilliland and Timothy M. Brown and Puragra Guhathakurta and Ata Sarajedini and Eugene Frank Milone and Michael D. Albrow and Nairn Reese Baliber and Hans Bruntt and Adam S. Burrows and David Charbonneau and Philip Ilho Choi and William D. Cochran and Peter Edmonds and S{\o}ren Frandsen and J. H. Howell and Douglas N. C. Lin and Geoffrey W. Marcy and Michel Mayor and Dominique Naef and Steinn Sigurdsson and Christopher Russell Stagg and Don A. VandenBerg and Steven S. Vogt and M. Diane Williams},
  journal={arXiv: Astrophysics},
Author(s): Gilliland, Ronald L; Brown, TM; Guhathakurta, P; Sarajedini, A; Milone, EF; Albrow, MD; Baliber, NR; Bruntt, H; Burrows, A; Charbonneau, D; Choi, P; Cochran, WD; Edmonds, PD; Frandsen, S; Howell, JH; Lin, DNC; Marcy, GW; Mayor, M; Naef, D; Sigurdsson, S; Stagg, CR; VandenBerg, DA; Vogt, SS; Williams, MD | Abstract: We report results from a large Hubble Space Telescope project to observe a significant (~34,000) ensemble of main sequence stars in the globular cluster 47 Tucanae with a… 
1 Citations

The Galactic Habitable Zone: Galactic Chemical Evolution

Abstract We propose the concept of a “Galactic Habitable Zone” (GHZ). Analogous to the Circumstellar Habitable Zone (CHZ), the GHZ is that region in the Milky Way where an Earth-like planet can



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