Results 91 to 100 of about 24,229 (205)

Sensitivity of Transit Searches to Habitable‐Zone Planets [PDF]

, 2003
Andrew Gould, Joshua Pepper, D. L. DePoy
openalex   +1 more source

Closeby Habitable Exoplanet Survey (CHES). I. Astrometric Noise and Planetary Detection Efficiency Due to Stellar Spots and Faculae

The Astronomical Journal
The Closeby Habitable Exoplanet Survey (CHES) is dedicated to the astrometric exploration for habitable-zone Earth-like planets orbiting solar-type stars in close proximity, achieving unprecedented microarcsecond precision.
Chunhui Bao, Jianghui Ji, Dongjie Tan, Guo Chen, Xiumin Huang, Su Wang, Yao Dong   +6 more
doaj   +1 more source

A study of the stable regions in the planetary system HD 74156 – Can it host earthlike planets in habitable zones? [PDF]

, 2003
R. Dvořák, Elke Pilat‐Lohinger, B. Funk, Florian Freistetter   +3 more
openalex   +1 more source

The 10 pc Neighborhood of Habitable Zone Exoplanetary Systems: Threat Assessment from Stellar Encounters and Supernovae

The Astronomical Journal
The habitability of a planet is influenced by both its parent star and the properties of its local stellar neighborhood. Potential threats to habitability from the local stellar environment mainly arise from two factors: cataclysmic events such as ...
Tisyagupta Pyne, Ravinder K. Banyal, C. Swastik, Ayanabha De   +3 more
doaj   +1 more source

Stability of terrestrial planets in the habitable zone of Gl 777 A, HD 72659, Gl 614, 47 Uma and HD 4208 [PDF]

, 2004
N. Asghari, C. Broeg, L. Carone, R. Casas-Miranda, Juan Carlos Castro-Palacio, Iharka Szücs-Csillik, R. Dvořák, Florian Freistetter, G. Hadjivantsides, Hauke Hußmann, A. E. Khramova, M. Khristoforova, Irina Khromova, I. Kitiashivilli, S. Kozłowski, Teemu Laakso, T. Laczkowski, D. Lytvinenko, O. Miloni, R. Morishima, Amaya Moro‐Martín, V. Paksyutov, András Pál, Vinod Patidar, B. Pečnik, O. Peles, JongCheol Pyo, Thomas Quinn, Adrián Rodríguez, Corradi Romano, Eeshankur Saikia, Joachim Stadel, Marko Thiel, Nataša Todorović, Dimitri Veras, E. Vieira Neto, Jozef Világi, Werner von Bloh, R. Zechner, E. Zhuchkova   +39 more
openalex   +1 more source

Planetary Rhythms: Synchronous Circulation on Variably Irradiated Asynchronous Planets

The Astrophysical Journal
Tidal locking of planets to their host stars results in an atmospheric circulation with a hotspot fixed to the frame of reference of the planet. On the other hand, asynchronously rotating planets feature moving hotspots either lagging or leading the ...
Deepayan Banik
doaj   +1 more source

Habitable sphere and fine structure constant [PDF]

arXiv, 2005
Future space missions, TPF and Darwin will focus on searches of signatures of life on extrasolar planets. In this paper we look for model independ definition of the habitable zone. It will be shown that the radius of the habitable sphere depends only on the constants of the Nature. Key words: Habitable sphere, fine structure constant.
arxiv  

Terrestrial planet orbits in the habitable zones of exoplanetary system [PDF]

, 2004
Barrie W. Jones, P. Nick Sleep
openalex   +1 more source

Bioverse: Giant Magellan Telescope and Extremely Large Telescope Direct Imaging and High-resolution Spectroscopy Assessment—Surveying Exo-Earth O2 and Testing the Habitable Zone Oxygen Hypothesis

The Astronomical Journal
Biosignature detection in the atmospheres of Earth-like exoplanets is one of the most significant and ambitious goals for astronomy, astrobiology, and humanity. Molecular oxygen is among the strongest indicators of life on Earth, but it will be extremely
Kevin K. Hardegree-Ullman, Dániel Apai, Sebastiaan Y. Haffert, Martin Schlecker, Markus Kasper, Jens Kammerer, Kevin Wagner   +6 more
doaj   +1 more source

Evolution of the Habitable Zone and Search for Life Around Red Giant Stars, Part I: Interest of the Study. [PDF]

, 2005
B. López, W. C. Danchi, Jean‐Luc Menut, Jayadev Rajagopal, J. Schneider, A. Belu, Richard Barry   +6 more
openalex   +1 more source