Caleb Scharf
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British-born astronomer
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Caleb Scharfphysics Degrees
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Physics
Why Is Caleb Scharf Influential?
(Suggest an Edit or Addition)According to Wikipedia, Caleb Asa Scharf is a British-American astronomer and popular science author. He is currently the senior scientist for astrobiology at the NASA Ames Research Center in Mountain View, California. He formerly served as the director of the multidisciplinary Columbia Astrobiology Center at Columbia University, New York.
Caleb Scharf's Published Works
Published Works
- Observational Tests of the Mass-Temperature Relation for Galaxy Clusters (1998) (145)
- The Wide-Angle ROSAT Pointed X-Ray Survey of Galaxies, Groups, and Clusters. I. Method and First Results (1996) (132)
- A spherical harmonic approach to redshift distortion and a measurement of $\Omega_0$ from the 1.2-Jy IRAS Redshift Survey (1993) (117)
- HABITABLE CLIMATES: THE INFLUENCE OF OBLIQUITY (2008) (104)
- THE CHANDRA DEEP PROTOCLUSTER SURVEY: Lyα BLOBS ARE POWERED BY HEATING, NOT COOLING (2009) (101)
- Evidence for X-Ray Emission from a Large-Scale Filament of Galaxies? (1999) (98)
- HABITABLE CLIMATES: THE INFLUENCE OF ECCENTRICITY (2010) (93)
- The WARPS Survey. II. The log N-log S Relation and the X-Ray Evolution of Low-Luminosity Clusters of Galaxies (1997) (89)
- The Luminosity-Temperature Relation at z = 0.4 for Clusters of Galaxies (1997) (83)
- The WARPS Survey. VI. Galaxy Cluster and Source Identifications from Phase I (2001) (82)
- GENERALIZED MILANKOVITCH CYCLES AND LONG-TERM CLIMATIC HABITABILITY (2010) (81)
- Habitable Climates (2007) (79)
- THE CHANDRA DEEP PROTOCLUSTER SURVEY: EVIDENCE FOR AN ENHANCEMENT OF AGN ACTIVITY IN THE SSA22 PROTOCLUSTER AT z = 3.09 (2008) (75)
- The Second Most Distant Cluster of Galaxies in the Extended Medium Sensitivity Survey (1999) (70)
- The WARPS Survey. III. The Discovery of an X-Ray Luminous Galaxy Cluster at z = 0.833 and the Impact of X-Ray Substructure on Cluster Abundance Measurements (1999) (70)
- The Potential for Tidally Heated Icy and Temperate Moons around Exoplanets (2006) (65)
- Distant Cluster Hunting. II. A Comparison of X-Ray and Optical Cluster Detection Techniques and Catalogs from the ROSAT Optical X-Ray Survey (2001) (56)
- Extended X-Ray Emission around 4C 41.17 at z = 3.8 (2003) (52)
- Wiener Reconstruction of Galaxy Surveys in Spherical Harmonics (1993) (51)
- The WARPS survey - IV. The X-ray luminosity-temperature relation of high-redshift galaxy clusters (2000) (48)
- A Strategy for Origins of Life Research (2015) (47)
- X-Ray Detection of an Obscured Active Galactic Nucleus in a z = 3.09 Radio-quiet Lyα Nebula (2004) (47)
- Distant Cluster Hunting: A Comparison Between the Optical and X-Ray Luminosity Functions from an Optical/X-Ray Joint Survey (2001) (46)
- POSSIBLE CONSTRAINTS ON EXOPLANET MAGNETIC FIELD STRENGTHS FROM PLANET–STAR INTERACTION (2010) (46)
- The 2-10 keV X-Ray Background Dipole and Its Cosmological Implications (1999) (43)
- LONG-PERIOD EXOPLANETS FROM DYNAMICAL RELAXATION (2008) (43)
- The Chandra Fornax Survey. I. The Cluster Environment (2004) (42)
- Detection of the Entropy of the Intergalactic Medium: Accretion Shocks in Clusters, Adiabatic Cores in Groups (1999) (40)
- A Statistical Detection of Gamma-Ray Emission from Galaxy Clusters: Implications for the Gamma-Ray Background and Structure Formation (2002) (39)
- Bulk measurements of messy chemistries are needed for a theory of the origins of life (2017) (39)
- Quantifying the origins of life on a planetary scale (2015) (38)
- The WARPS Survey. VII. The WARPS-II Cluster Catalog (2008) (36)
- Spherical harmonic analysis of IRAS galaxies: implications for the Great Attractor and Cold Dark Matter (1992) (31)
- Chandra Detections of SCUBA Galaxies around High-z Radio Sources (2003) (26)
- The Fermi Paradox and the Aurora Effect: Exo-civilization Settlement, Expansion, and Steady States (2019) (24)
- Discovery of a Very X-Ray Luminous Galaxy Cluster at z = 0.89 in the Wide Angle ROSAT Pointed Survey (2000) (22)
- Climates of Warm Earth-like Planets. II. Rotational “Goldilocks” Zones for Fractional Habitability and Silicate Weathering (2018) (20)
- Exoplanet Transit Parallax (2007) (19)
- Large-Scale Fluctuations in the X-Ray Background (1998) (18)
- Extrasolar Planets and Astrobiology (2008) (18)
- Optimal Chandra and XMM-Newton Bandpasses for Detecting Low-Temperature Groups and Clusters of Galaxies (2002) (17)
- The Galaxy Cluster Luminosity-Temperature Relationship and Iron Abundances: A Measure of Formation History? (1997) (15)
- The Puppis cluster of galaxies behind the Galactic plane and the origin of the ‘Local Anomaly’ (1993) (15)
- A LOW-REDSHIFT GALAXY CLUSTER X-RAY TEMPERATURE FUNCTION INCORPORATING SUZAKU DATA (2008) (11)
- Gravity's Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos (2012) (9)
- Spherical harmonic analysis of the 2-Jy IRAS galaxy redshift survey (1993) (9)
- The WARPS X-Ray Survey of Galaxies, Groups, and Clusters (1998) (8)
- The Copernicus Complex (2015) (8)
- A 100 kpc INVERSE COMPTON X-RAY HALO AROUND 4C 60.07 AT z = 3.79 (2009) (7)
- A River Ran through It (2012) (6)
- The Copernicus Complex: Our Cosmic Significance in a Universe of Planets and Probabilities (2014) (6)
- The 2-10 keV XRB dipole and its cosmological implications (1999) (6)
- Exoplanet Exergy: Why Useful Work Matters for Planetary Habitabilty (2019) (6)
- A Possible Dearth of Hot Gas in Galaxy Groups at Intermediate Redshift (2006) (6)
- The WARPS Survey – VIII. Evolution of the galaxy cluster X-ray Luminosity Function (2012) (6)
- Contact inequality: first contact will likely be with an older civilization (2020) (6)
- On Detecting the X-Ray Silhouette of a Damped Lyα System (2004) (5)
- On the Measurement of a Cosmological Dipole in the Photon Number Counts of Gamma-Ray Bursts (1995) (5)
- Moons of Exoplanets: Habitats for Life? (2008) (5)
- The benevolence of black holes. (2012) (4)
- Planetary Habitability Informed by Planet Formation and Exoplanet Demographics (2019) (4)
- The Zoomable Universe. (2017) (3)
- Gravity's Engines: The Other Side of Black Holes (2012) (3)
- Exoplanet diversity in the era of space-based direct imaging missions (2018) (3)
- The X-ray evolution of clusters of galaxies to z=0.9 (2000) (2)
- The Dynamics of the Transition from Kardashev Type II to Type III Galaxies Favor Technosignature Searches in the Central Regions of Galaxies (2021) (2)
- Detecting the warm-hot intergalactic medium (2004) (2)
- The Chandra Fornax Survey (2003) (2)
- General Milankovitch Cycles (2010) (2)
- Tidally heated moons: from icy worlds to temperate habitats (2006) (1)
- Distant Cluster Hunting (2011) (1)
- The Copernicus complex : the quest for our cosmic (in)significance (2015) (1)
- Collaboration: Come together to study life's origins (2016) (1)
- Scaling Laws and the Mass and Temperature Functions of Galaxy Clusters (1999) (1)
- Probing Lunar Volatiles: Initial Ground-based Results (2007) (1)
- Do Groups of Galaxies at Intermediate Redshift Contain Hot Gas (2004) (0)
- Exoplanet science 2.0. (2018) (0)
- Las escalas del universo (2018) (0)
- Lensing and the luminosity of Gamma-ray bursts and their hosts (1998) (0)
- Rebuilding the Habitable Zone from the Bottom Up with Computational Zones (2023) (0)
- Do Small Groups of Galaxies Contain Hot Gas (2004) (0)
- Exoplanet science 2.0 (2018) (0)
- Scaling Laws and the Mass Function of Galaxy Clusters (1997) (0)
- The Angular Large‐scale Structure (1991) (0)
- Commentary: The rule of information (2022) (0)
- An embellished tale of Pluto's discovery (2010) (0)
- Scaling Laws and the Temperature and Mass Functions of Galaxy Clusters (1999) (0)
- X-ray Emission from a Proto-cluster at z = 3.8 (2001) (0)
- How to Build Planets (2006) (0)
- The Second Most Distant Cluster of Galaxies in the EMSS (1999) (0)
- Astrobiology: a Universe of Dark Oceans (2014) (0)
- Long Period Exoplanets (2008) (0)
- Astrobiology: Are we unique? (2011) (0)
- Higher Moments of the IRAS Galaxy Distribution (1991) (0)
- Astrobiology: Are we alone in the universe? (2011) (0)
- In)trascendencia cósmica (2015) (0)
- Extended X-ray emission around 4 C 41 (0)
- Hunting for the WHIM with Chandra (2001) (0)
- Exaggerated Milankovitch-Like Eccentricity Cycles and Extreme Exoplanet Climate Variation (2012) (0)
- VizieR Online Data Catalog: WARPS survey. VI. (Perlman+, 2002) (2002) (0)
- The X-ray Luminosity/Temperature Relation for Over 200 Homogeneously Analyzed ASCA Clusters and Groups (2000) (0)
- Cosmological Parameters from Spherical Harmonic Analyses (1993) (0)
- Exomoons: from icy to temperate worlds (2010) (0)
- Cosmic (in)significance. (2014) (0)
- Protons to Planets: Mapping the Routes to Life (2008) (0)
- Probing the triple nucleus in the brightest galaxy of the cluster Abell 193 (2005) (0)
- Astrobiology: The hunt for alien life (2011) (0)
- The benevolence of black holes. (Cover story) (2012) (0)
- The ROSAT Optical X-ray Cluster Survey: A Comparison of X-ray and Optical Cluster Detection Methods and Preliminary Results (2001) (0)
- Fe b 20 07 Exoplanet Transit Parallax (2007) (0)
- Fe b 20 02 Optimal Chandra / XMM-Newton band-passes for detecting low temperature groups and clusters of galaxies (2002) (0)
- Faint Extended X-ray Sources: A new Large Area Survey (1995) (0)
- The WARPS survey: III. The discovery of an X-ray luminous galaxy cluster at z=0.833 and the evolution of X-ray luminous clusters at z<1 (1999) (0)
- Is Dark Matter Hiding Aliens (2016) (0)
- New Worlds: Evaluating terrestrial planets as astrophysical objects (2009) (0)
- Cosmology: Plucked from the vacuum (2012) (0)
- Spherical Harmonic Analysis of 2D and 3D IRAS Galaxy Catalogues (1993) (0)
- Cold call. What will scientists find in Antarctica's ancient Lake Vostok? (2012) (0)
- The WARPS survey for faint Clusters of Galaxies (1995) (0)
- The Evolution of Cluster Radio Galaxies at 0.5 (2003) (0)
- Towards a Classification System for Assessing Extrasolar Planet Habitability (2005) (0)
- Massive clusters of galaxies to z=1 (2004) (0)
- VizieR Online Data Catalog: WARPS-II Cluster catalog. VII. (Horner+, 2008) (2009) (0)
- Rocky Planet Rotation, Thermal Tide Resonances, and the Influence of Biological Activity (2017) (0)
- Cluster Evolution in the Wide Angle ROSAT Pointed Survey (WARPS) (1997) (0)
- Astrobiology: Hot topics in the search for ET (2011) (0)
- An XMM and Chandra view of massive clusters of galaxies to z=1 (2003) (0)
- First Results from the Seredipidous Extragalactic X-ray Source Identification Program (2000) (0)
- Spin Cycle. (2016) (0)
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What Are Caleb Scharf's Academic Contributions?
Caleb Scharf is most known for their academic work in the field of physics. They are also known for their academic work in the fields of
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