Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- D. Stern3 profiles493 · h 97
- F. Harrison2 profiles182 · h 58
- P. Eisenhardt3 profiles168 · h 59
- S. Boggs124 · h 60
- F. Christensen123 · h 58
- C. Hailey120 · h 59
- W. Craig2 profiles120 · h 49
- S. Stanford2 profiles117 · h 75
- S. Turyshev116 · h 38
- D. Walton2 profiles108 · h 53
- K. Stapelfeldt104 · h 70
- D. Mawet98 · h 53
- California Institute of TechnologyUS4.7k papers
- Centre National de la Recherche ScientifiqueFR2k papers
- Center for Astrophysics Harvard & SmithsonianUS1.3k papers
- Goddard Space Flight CenterUS1.2k papers
- University of California, BerkeleyUS1.2k papers
- University of ArizonaUS1k papers
- Infrared Processing and Analysis CenterUS1k papers
- University College LondonGB984 papers
- Princeton UniversityUS924 papers
- University of CambridgeGB871 papers
- Institut d'Astrophysique de ParisFR858 papers
- Space Telescope Science InstituteUS808 papers
18 papers · 1 filter
The Great Annihilator 1E1740.7-2942: Molecular cloud connection and coronal structure
O. Vilhu, D. Hannikainen, P. Muhli +4
Using 12CO and 13CO observations we present column density maps of the molecular cloud (V = -135 km/s) in the direction of 1E1740.7-2942. Hydrogen column densities of the cloud sca…
The Distance of the Soft Gamma Repeater SGR 1806-20
S. Corbel, P. Wallyn, T. M. Dame +4
We present CO(J=1-0) observations in the direction of the Soft Gamma Repeater SGR 1806-20 with the SEST telescope. We detected several molecular clouds, and we discuss in this pape…
An ISOPHOT of the disk of galaxy NGC 6946: 60 micron infrared and radio continuum correlation
N. Y. Lu, G. Helou, R. Tuffs +4
We use the ISOPHOT 60 micron image of Tuffs et al. (1996) to study the 60 micron light distribution and its correlation with radio continuum within the disk of spiral galaxy NGC694…
The Mid-Infrared Color of NGC 6946
G. Helou, S. Malhotra, C. A. Beichman +10
We analyze the new mid-infrared maps of NGC 6946 for variations in the color ratio of the 7-to-15 micron emission. Our preliminary findings are that this mid-infrared color is rema…
ISOCAM Observations of NGC 6946: Mid-IR Structure
S. Malhotra, G. Helou, D. van Buren +12
The nearby spiral galaxy NGC 6946 was observed with ISO-CAM in the mid-infrared, achieving 7 arcsec resolution and sub-MJy/steradian sensitivity. Images taken with CAM filters LW2…
Velocity Dispersions and Mass-to-Light Ratios for 9 Globular Clusters in M31
P. Dubath, C. J. Grillmair
We present internal velocity dispersion determinations from high-resolution spectroscopic observations of a sample of nine globular clusters in M31. Comprehensive numerical simulat…
PKS 1830-211: A Possible Compound Gravitational Lens
J. E. J. Lovell, J. E. Reynolds, D. L. Jauncey +11
Measurements of the properties of gravitational lenses have the power to tell us what sort of universe we live in. The brightest known radio Einstein ring/gravitational lens PKS 18…
Size of the Vela Pulsar's Radio Emission Region: 500 km
C. R. Gwinn, M. J. Ojeda, M. C. Britton +9
We use interstellar scattering of the Vela pulsar to determine the size of its emission region. From interferometric phase variations on short baselines, we find that radio-wave sc…
Interstellar Broadening of Images in the Gravitational Lens PKS 1830-211
D. L. Jones, R. A. Preston, D. W. Murphy +8
The remarkably strong radio gravitational lens PKS 1830-211 consists of a one arcsecond diameter Einstein ring with two bright compact (milliarcsecond) components located on opposi…
WFPC2 Observations of the Cooling Flow Elliptical in Abell 1795
Jason Pinkney, Jon Holtzman, Chris Garasi +3
We present WFPC2 images of the core of the cooling flow cD galaxy in Abell 1795. An irregular, asymmetric dust lane extends 7 \h75 kpc in projection to the north-northwest. The dus…
Relativistic Navigation: A Theoretical Foundation
Slava G. Turyshev
We present a theoretical foundation for relativistic astronomical measurements in curved space-time. In particular, we discuss a new iterative approach for describing the dynamics…
Relativistic Gravity Theory And Related Tests With A Mercury Orbiter Mission
Slava G. Turyshev, John D. Anderson, Ronald W. Hellings
Due to its relatively large eccentricity and proximity to the Sun, Mercury's orbital motion provides one of the best solar-system tests of relativistic gravity. We emphasize the nu…
Discovery of a Sub-Parsec Radio Counterjet in the Nucleus of Centaurus A
D. L. Jones, S. J. Tingay, D. W. Murphy +22
A sub-parsec scale radio counterjet has been detected in the nucleus of the closest radio galaxy, Centaurus A (NGC 5128), with VLBI imaging at 2.3 and 8.4 GHz. This is one of the f…
A candidate gravitational lens in the Hubble Deep Field
David W. Hogg, Roger Blandford, Tomislav Kundić +2
The discovery of HDF~J123652+621227, a candidate gravitational lens in the HDF, is reported. This lens may be multiply imaging several optical sources at different redshifts. If fo…
Adaptive Problem-solving for Large-scale Scheduling Problems: A Case Study
J. Gratch, S. Chien
Although most scheduling problems are NP-hard, domain specific techniques perform well in practice but are quite expensive to construct. In adaptive problem-solving solving, domain…
The Milky Way, The Local Galaxies \& the IR Tully-Fisher Relation
Sangeeta Malhotra, David N Spergel, James E Rhoads +1
Using the near infrared fluxes of local galaxies derived from COBE/DIRBE J(1.25 m) K (2.2 m) \& L (3.5 m) band maps and published Cepheid distances, we construct Tully-Fis…
The tidally induced warping, precession and truncation of accretion discs in binary systems: three-dimensional simulations
J. D. Larwood, R. P. Nelson, J. C. B. Papaloizou +1
We present the results of non linear, hydrodynamic simulations, in three dimensions, of the tidal perturbation of accretion discs in binary systems where the orbit is circular and…
The Lensing Galaxy in MG1549+3047
J. Lehar, A. J. Cooke, C. R. Lawrence +2
We have measured a velocity dispersion for the foreground galaxy in this gravitationally lensed system. Our dispersion confirms the prediction from lens models, provided that the s…