Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Harvard UniversityUS3.4k papers
- California Institute of TechnologyUS2.8k papers
- Centre National de la Recherche ScientifiqueFR2.4k papers
- University of California, BerkeleyUS2k papers
- Massachusetts Institute of TechnologyUS2k papers
- University of ArizonaUS1.9k papers
- Goddard Space Flight CenterUS1.6k papers
- Space Telescope Science InstituteUS1.6k papers
- Princeton UniversityUS1.5k papers
- Max Planck Institute for AstronomyDE1.4k papers
- Max Planck Institute for Extraterrestrial PhysicsDE1.4k papers
- University of MichiganUS1.3k papers
243 papers · 1 filter
YSO disk structure and planetary signatures
Nuria Calvet, Paola D'Alessio
Detailed radial/vertical structure modeling of observations of disks around Young Stellar Objects (YSOs) can provide information on the physical conditions and on the characteristi…
Broad Emission Line Regions in AGN: the Link with the Accretion Power
F. Nicastro
We present a model which relates the width of the Broad Emission Lines of AGN to the Keplerian velocity of an accretion disk at a critical distance from the central black hole. Thi…
Search for Pulsed TeV Gamma-ray Emission from the Crab Pulsar
R. W. Lessard, I. H. Bond, S. M. Bradbury +23
We present the results of a search for pulsed TeV emission from the Crab pulsar using the Whipple Observatory's 10 m gamma-ray telescope. The direction of the Crab pulsar was obser…
Atomic Carbon in the Envelopes of Carbon-Rich Post-AGB Stars
G. R. Knapp, M. Crosas, K. Young +1
Atomic carbon has been detected in the envelopes of three carbon-rich evolved stars: HD 44179 (=AFGL 915, the `Red Rectangle'); HD 56126; and, tentatively, the carbon star V Hya. T…
Coronal activity as a consequence of dynamos in astrophysical rotators
Eric G. Blackman, George B. Field
We show that the presence of a steady $\ao$ dynamo in astrophysical rotators likely leads to an outflow of relative magnetic helicity and thus magnetic energy available for particl…
Modeling the Near-Infrared Luminosity Functions of Young Stellar Clusters
August A. Muench, Elizabeth A. Lada, Charles J. Lada
We present the results of numerical experiments designed to evaluate the usefulness of near-infrared luminosity functions for constraining the Initial Mass Function (IMF) of young…
DIRECT Distances to Local Group Galaxies
Dimitar D. Sasselov
The two nearby galaxies, M31 and M33, are stepping stones for most of our current efforts to understand the evolving universe at large scales. We are undertaking a long term projec…
Emission Spectra of Fallback Disks Around Young Neutron Stars
Rosalba Perna, Lars Hernquist, Ramesh Narayan
The nature of the energy source powering anomalous X-ray pulsars is uncertain. Proposed scenarios involve either an ultramagnetized neutron star, or accretion onto a neutron star.…
Entanglement of Atomic Ensembles by Trapping Correlated Photon States
M. D. Lukin, S. F. Yelin, M. Fleischhauer
We describe a general technique that allows for an ideal transfer of quantum correlations between light fields and metastable states of matter. The technique is based on trapping q…
Transitional YSOs: Candidates from Flat-Spectrum IRAS Sources
A. W. Volp, E. A Magnier, M. E. van den Ancker +1
We are searching for Young Stellar Objects (YSOs) near the boundary between protostars and pre-main sequence objects, what we have termed transitional YSOs. We have identified a sa…
Does Infall End Before the Class I Stage?
Erik M. Gregersen, Neal J. Evans, Diego Mardones +1
We have observed HCO+ J=3-2 toward 16 Class I sources and 18 Class 0 sources, many of which were selected from Mardones et al. (1997). Eight sources have profiles significantly ske…
The CIDA-QUEST Large Scale Variability Survey in the Orion OB Association: initial results
Cesar Briceno, A. Katherina Vivas, Nuria Calvet +2
Using the 8k x 8k CCD Mosaic Camera on the 1m Schmidt telescope in Venezuela, we are conducting a large-scale, deep optical, multiepoch, photometric (BVRIHa) survey over 120 sq.deg…
An Accretion Model for Anomalous X-Ray Pulsars
Pinaki Chatterjee, Lars Hernquist, Ramesh Narayan
We present a model for the anomalous X-ray pulsars (AXPs) in which the emission is powered by accretion from a fossil disk, established from matter falling back onto the neutron st…
The RASSCALS: An X-ray and Optical Study of 260 Galaxy Groups
A. Mahdavi, H. Boehringer, M. J. Geller +1
We describe the ROSAT All-Sky Survey-Center for Astrophysics Loose Systems (RASSCALS), the largest X-ray and optical survey of low mass galaxy groups to date. We draw 260 groups fr…
Formation of Black-Hole X-Ray Binaries with Low-Mass Donors
Vassiliki Kalogera
The characteristics of black-hole X-ray binaries can be used to obtain information about their evolutionary history and the process of black-hole formation. In this paper I focus o…
How to Trap Photons? Storing Single-Photon Quantum States in Collective Atomic Excitations
M. Fleischhauer, S. F. Yelin, M. D. Lukin
We show that it is possible to ``store'' quantum states of single-photon fields by mapping them onto {\it collective} meta-stable states of an optically dense, coherently driven me…
Physical State of Molecular Gas in High Galactic Latitude Translucent Clouds
James G. Ingalls, T. M. Bania, Adair P. Lane +2
The rotational transitions of carbon monoxide (CO) are the primary means of investigating the density and velocity structure of the molecular interstellar medium. Here we study the…
Self-Similar Accretion Flows with Convection
Ramesh Narayan, Igor V. Igumenshchev, Marek A. Abramowicz
We consider height-integrated equations of an advection-dominated accretion flow (ADAF), assuming that there is no mass outflow. We include convection through a mixing length forma…
Sunyaev-Zel'dovich Effect Derived Distances to the High Redshift Clusters MS 0451.6-0305 and CL 0016+16
E. D. Reese, J. J. Mohr, J. E. Carlstrom +7
We determine the distances to the z~0.55 galaxy clusters MS 0451.6-0305 and CL 0016+16 from a maximum likelihood joint fit to interferometric Sunyaev-Zel'dovich effect (SZE) and X-…
Limits on Arcminute Scale Cosmic Microwave Background Anisotropy with the BIMA Array
W. L. Holzapfel, J. E. Carlstrom, L. Grego +3
We have used the Berkeley-Illinois-Maryland-Association (BIMA) millimeter array outfitted with sensitive cm-wave receivers to search for Cosmic Microwave Background (CMB) anisotrop…
A Search for CMB Decrements Towards Distant Cluster Candidates PC1643+4631 and VLA1312+4237 at 28.5 GHz
W. L. Holzapfel, J. E. Carlstrom, L. Grego +2
Recently, Jones et al. (1997) used the Ryle telescope, operating at a frequency of 15 GHz, to detect a flux decrement in the direction of the quasar pair PC1643+461A,B. They interp…
Compact Binary Mergers and Accretion-Induced Collapse: Event Rates
Vassiliki Kalogera
This paper is a brief review of the topic of binary systems as sources of gravitational-wave emission for both LIGO and LISA. In particular I review the current estimates of the as…
Redshifts of the Gravitational Lenses MG1131+0456 and B1938+666
John L. Tonry, Christopher S. Kochanek
The redshifts of the gravitational lens galaxies in MG1131+0456 and B1938+666 are 0.844 and 0.881 respectively. Both are early-type galaxies lying at the redshifts predicted by ass…
Detection of Planetary Transits Across a Sun-like Star
David Charbonneau, Timothy M. Brown, David W. Latham +1
We report high precision, high cadence photometric measurements of the star HD 209458, which is known from radial velocity measurements to have a planetary mass companion in a clos…