557 citations
- Goddard Space Flight CenterUS13 papers
- Argonne National LaboratoryUS12 papers
- Columbia UniversityUS12 papers
- Center for Astrophysics Harvard & SmithsonianUS11 papers
- Northwestern UniversityUS10 papers
- University of VirginiaUS10 papers
- Space Telescope Science InstituteUS9 papers
- Stockholm UniversitySE8 papers
- University of Notre DameUS8 papers
- Sam Houston State UniversityUS7 papers
- University of TorontoCA7 papers
- Australian National UniversityAU6 papers
6 papers · 1 filter
HST-COS Observations of Hydrogen, Helium, Carbon and Nitrogen Emission from the SN 1987A Reverse Shock
Kevin France, Richard McCray, Steven V. Penton +18
We present the most sensitive ultraviolet observations of Supernova 1987A to date. Imaging spectroscopy from the Hubble Space Telescope-Cosmic Origins Spectrograph shows many narro…
Cosmic Acceleration and a New Concordance from Causal Backreaction
Brett Bochner
A phenomenological formalism is presented in which the apparent acceleration of the universe is generated by large-scale structure formation, thus eliminating the magnitude and coi…
Cosmic Acceleration from Causal Backreaction in a Smoothly Inhomogeneous Universe
Brett Bochner
A phenomenological formalism is presented in which the apparent acceleration of the universe is generated by large-scale structure formation, thus eliminating the coincidence and m…
X-ray illumination of the ejecta of Supernova 1987A
J. Larsson, C. Fransson, G. Östlin +25
We present the late-time optical light curve of the ejecta of SN 1987A measured from HST imaging observations spanning the past 17 years. We find that the flux from the ejecta decl…
A Chandra Observation of the Nearby Sculptor Group Sd Galaxy NGC 7793
Thomas G. Pannuti, Eric M. Schlegel, Miroslav D. Filipovic +5
(Abridged) We conducted a Chandra ACIS observation of the nearby Sculptor Group Sd galaxy NGC 7793. At the assumed distance to NGC 7793 of 3.91 Mpc, the limiting unabsorbed luminos…
Triplet p-wave superconductivity in low-density extended Hubbard model with Coulomb repulsion
M. Yu. Kagan, D. V. Efremov, M. S. Marienko +1
We analyze superconducting instabilities in 3D and 2D extended Hubbard model with Coulomb repulsion between electrons on neighboring sites in the limit of low electron density ($n_…