Physical Sciences and Mathematics Commons^™

Model Comparison From Ligo-Virgo Data On Gw170817'S Binary Components And Consequences For The Merger Remnant, B. P. Abbott, R. Abbott, T. D. Abbott, S. Abraham, F. Acernese, K. Ackley, C. Adams, V. B. Adya, C. Affeldt, M. Agathos, K. Agatsuma, N. Aggarwal, O. D. Aguiar, L. Aiello, A. Ain, P. Ajith, G. Allen, A. Allocca, M. A. Aloy, P. A. Altin, A. Amato, S. Anand, A. Ananyeva, S. B. Anderson, W. G. Anderson, S. V. Angelova, S. Antier, S. Appert, K. Arai, M. C. Araya, J. S. Areeda, Tiffany Summerscales

Faculty Publications

© 2020 IOP Publishing Ltd. GW170817 is the very first observation of gravitational waves originating from the coalescence of two compact objects in the mass range of neutron stars, accompanied by electromagnetic counterparts, and offers an opportunity to directly probe the internal structure of neutron stars. We perform Bayesian model selection on a wide range of theoretical predictions for the neutron star equation of state. For the binary neutron star hypothesis, we find that we cannot rule out the majority of theoretical models considered. In addition, the gravitational-wave data alone does not rule out the possibility that one or both …

On Possibility Of Binary Companion Of The Sun: A Serendipity Finding And Comparison With Uvs Model Of Solar System, Victor Christianto, Florentin Smarandache

Branch Mathematics and Statistics Faculty and Staff Publications

While we completely understood that a binary dwarf companion of the Sun has not been accepted by majority of astronomers, allow us to present some new arguments, along with our own serendipitous encounter with such a binary companion of the Sun. We hope that the present note will be found useful for further investigations, in relation to Planet Nine and such a dwarf star companion of the Sun (sometimes dubbed as Nemesis). Nonetheless, this article is not an exhaustive review of such dwarf companion star theories.

The Large Scale Behaviour In The Disk Of Δ Scorpii From 2000-2018, Mark W. Suffak, Carol E. Jones, Christopher Tycner, Gregory W. Henry, Alex Cavaliéri Carciofi, Bruno C. Mota, A. C. Rubio

Information Systems and Engineering Management Research Publications

We model the circumstellar disk of δ Sco using the 3-dimensional Monte Carlo radiative transfer code HDUST in order to quantify the large scale changes in the disk through the years 2000 to 2018, and to see if these changes can be attributed to the secondary star affecting the disk throughout its orbit. We determine our best-fitting models through matching simulated observations to actual Hα spectroscopy and V-band photometric observations. Our modelling results confirm previous findings that the disk of δ Sco was forming early in the century. We also find a period of disk dissipation when the companion is …

Monitoring Of The Radio Galaxy M 87 During A Low-Emission State From 2012 To 2015 With Magic, V. A. Acciari, S. Ansoldi, Juan P. Madrid

Physics and Astronomy Faculty Publications and Presentations

M87 is one of the closest (z = 0.004 36) extragalactic sources emitting at very high energies (VHE, E > 100 GeV). The aim of this work is to locate the region of the VHE gamma-ray emission and to describe the observed broad-band spectral energy distribution (SED) during the low VHE gamma-ray state. The data fromM87 collected between 2012 and 2015 as part of aMAGIC monitoring programme are analysed and combined with multiwavelength data from Fermi-LAT, Chandra, HST, EVN, VLBA, and the Liverpool Telescope. The averaged VHE gamma-ray spectrum can be fitted from ∼100 GeV to ∼10 TeV with a simple …

Impact Of The Next Gen Pet Curriculum On Science Identity, Robynne M. Lock, Ben Van Dusen, Steven Maier, Liang Zeng

Physics and Astronomy Faculty Publications and Presentations

The Next Gen Physical Science and Everyday Thinking (PET) curriculum was designed for physical science courses for future elementary teachers. However, this curriculum may also be used in general education conceptual science courses. The materials are aligned with the Next Generation Science Standards and use a guided-inquiry approach. Next Gen PET is currently being implemented at many universities nationwide. We examine the impact of this curriculum on students’ science identities at a subset of these universities. The identity framework consists of three dimensions. Recognition is the extent to which a student believes that parents, peers, and professors view them as …

Relation Between Gravitational Mass And Baryonic Mass For Non-Rotating And Rapidly Rotating Neutron Stars, He Gao, Shun-Ke Ai, Zhou-Jian Cao, Bing Zhang, Zhen-Yu Zhu, Ang Li, Nai-Bo Zhang, Andreas Bauswein

Physics & Astronomy Faculty Research

With a selected sample of neutron star (NS) equations of state (EOSs) that are consistent with the current observations and have a range of maximum masses, we investigate the relations between NS gravitational mass Mg and baryonic mass Mb, and the relations between the maximum NS mass supported through uniform rotation (Mmax) and that of nonrotating NSs (MTOV). We find that for an EOS-independent quadratic, universal transformation formula (Mb=Mg+A×M2g)(Mb=Mg+A×Mg2), the best-fit A value is 0.080 for non-rotating NSs, 0.064 for maximally rotating NSs, and 0.073 when NSs with arbitrary rotation are considered. The residual error of the transformation is ∼ …

Retrieval Of The D/Sdl7+T7.5p Binary Sdss J1416+1348ab, Eileen C. Gonzales, Ben Burningham, Jacqueline K. Faherty, Colleen Cleary, Channon Visscher, Mark S. Marley, Roxana Lupu, Richard Freedman

Faculty Work Comprehensive List

We present the distance-calibrated spectral energy distribution (SED) of the d/sdL7 SDSS J14162408+1348263A (J1416A) and an updated SED for SDSS J14162408+1348263B (J1416B). We also present the first retrieval analysis of J1416A using the Brewster retrieval code base and the second retrieval of J1416B. We find that the primary is best fit by a nongray cloud opacity with a power-law wavelength dependence but is indistinguishable between the type of cloud parameterization. J1416B is best fit by a cloud-free model, consistent with the results from Line et al. Most fundamental parameters derived via SEDs and retrievals are consistent within 1σ for both …

Lambert W Function Methods In Double Square Well And Waveguide Problems, Narola Harsh Bharatbhai, P C Deshmukh, Robert B. Scott, Ken Roberts, Sree Ram Valluri

Physics and Astronomy Publications

Using methods related to the Lambert W function, we present solutions of two apparently different problems: (1) The one-dimensional double square well potential in quantum mechanics and (2) The transverse electric and magnetic modes for a step-index electromagnetic waveguide. The solution techniques provide insight into the bound energy states for the single and double square well problems and the allowed modes of propagation in a waveguide with varying refractive indices. The solutions can be viewed in either of two related complex plane representations. Comparison of the solution geometries suggests that interesting applications may be possible in nanostructures and devices which …

Vla Imaging Of H I-Bearing Ultra-Diffuse Galaxies From The Alfalfa Survey, Lexi Gault, Lukas Leisman, Elizabeth A.K. Adams, Pavel E. Mancera Piña, Kameron Reiter, Nicholas Smith, Michael Battipaglia, John M. Cannon, Filippo Fraternali, Martha P. Haynes, Elizabeth Mcallan, Hannah J. Pagel, Katherine L. Rhode, John J. Salzer, Quinton Singer

Physics and Astronomy Faculty Publications

Ultra-diffuse galaxies have generated significant interest due to their large optical extents and low optical surface brightnesses, which challenge galaxy formation models. Here we present resolved synthesis observations of 12 H i-bearing ultra-diffuse galaxies (HUDs) from the Karl G. Jansky Very Large Array (VLA), as well as deep optical imaging from the WIYN 3.5-meter telescope at Kitt Peak National Observatory. We present the data processing and images, including total intensity H i maps and H i velocity fields. The HUDs show ordered gas distributions and evidence of rotation, important prerequisites for the detailed kinematic models in Mancera Pi˜na et al. …

Xxi. Transport Processes And The X-Shaped Magnetic Field Of Ngc 4217: Off-Center Superbubble Structure, Y. Stein, R.-J. Dettmar, R. Beck, J. Irwin, T. Wiegert, A. Miskolczi, Q. D. Wang, J. English, R. Henriksen, M. Radica, J.-T. Li

Astronomy Department Faculty Publication Series

Context. Radio continuum observations of edge-on spiral galaxies reveal the appearance of radio halos as well as the large-scale structure of their magnetic fields. Furthermore, with multiple frequency observations, it is possible to deduce the transport mechanisms of the cosmic ray electrons (CREs).

Aims. In order to gain a better understanding of the influence of cosmic rays (CRs) and magnetic fields in the disk-halo interface of edge-on spiral galaxies, we investigate the radio continuum halo, the magnetic field, and the transport processes of the CRs of the edge-on spiral galaxy NGC 4217 using CHANG-ES radio data at two frequencies, 6 …

Aspects Of Quantum Theory In General Relativity And Cosmology, Eamon Mccaughey

Doctoral

After a brief introduction to Cosmology some quantum aspects of General Relativity and cosmology are presented. The radial motion of a massive particles in the ergosphere of the Kerr Black Hole is considered. Screening of Hawking radiation and shielding of the Penrose process is examined in the context of the region of negative energy inside the ergosphere. Tunnelling of such particles between the boundaries of the classically forbidden region will be considered and the transmission coefficient determined. The evolution of Primordial black holes in standard and Loop Quantum Cosmology is reviewed. A stability analysis of Einstein’s universe in both classical …

The Large Millimeter Telescope (Lmt) Alfonso Serrano: Current Status And Telescope Performance, David H. Hughes, F. Peter Schloerb, Itziar Aretxaga, Edgar Castillo-Domínguez, Miguel Chávez Dagostino, Edgar Colín, Neal Erickson, Daniel Ferrusca Rodriguez, David M. Gale, Arturo Gómez-Ruiz, José Luis Hernández Rebollar, Mark Heyer, James Lowenthal, Alfredo Montaña, Marcos Emir Moreno Nolasco, Gopal Narayanan, Alexandra Pope, Iván Rodríguez-Montoya, David Sánchez-Argüelles, David Smith, Kamal Souccar, Miguel Velázquez De La Rosa Becerra, Grant W. Wilson, Min S. Yun

Astronomy: Faculty Publications

The Large Millimeter Telescope (LMT) Alfonso Serrano is a 50m-diameter single-dish radio telescope constructed at an altitude of 4600 meters on the summit of Volcan Sierra Negra, an extinct volcano in the Mexican state of Puebla. The LMT is a bi-national scientific collaboration between Mexico and the USA, led by the Instituto Nacional de Astrofisica, Optica y Electronica (INAOE) and the University of Massachusetts at Amherst. The telescope currently operates at wavelengths from 4mm to 1mm, and during the dry winter months the LMT site provides the highest levels of atmospheric transmission and potential future access to submillimeter observing windows. …

An Updated Visual Orbit Of The Directly Imaged Exoplanet 51 Eridani B And Prospects For A Dynamical Mass Measurement With Gaia, Robert J. De Rosa, Eric L. Nielsen, Jason J. Wang, S. Mark Ammons, Gaspard Duchene, Bruce Macintosh, Julien Rameau, Vanessa P. Bailey, Travis Barman, Joanna Bulger, Jeffrey Chilcote, Tara Cotten, Rene Doyon, Thomas M. Esposito, Michael P. Fitzgerald, Katherine B. Follette, Benjamin L. Gerard, Stephen J. Goodsell, James R. Graham, Alexandra Z. Greenbaum, Pascale Hibon, Justin Hom, Li Wei Hung, Patrick Ingraham, Paul Kalas, Quinn Konopacky, James E. Larkin, Jérôme Maire, Franck Marchis, Mark S. Marley, Christian Marois, Stanimir Metchev, Kimberly Ward-Duong, Et Al

Astronomy: Faculty Publications

We present a revision to the visual orbit of the young, directly imaged exoplanet 51 Eridani b using four years of observations with the Gemini Planet Imager. The relative astrometry is consistent with an eccentric (e= 0.53-0.13+0.09) orbit at an intermediate inclination (i= 13611+10°), although circular orbits cannot be excluded due to the complex shape of the multidimensional posterior distribution. We find a semimajor axis of 11.1-1.3+4.2 au and a period of 28.1-4.9+17.2 yr, assuming a mass of 1.75 M· for the host star. We find consistent values with a recent analysis of VLT/SPHERE data covering a similar baseline. We …

The Exogravity Project: Using Single Mode Interferometry To Characterize Exoplanets, S. Lacour, J. J. Wang, M. Nowak, L. Pueyo, F. Eisenhauer, A. M. Lagrange, P. Mollière, R. Abuter, A. Amorin, R. Asensio-Torres, M. Bauböck, M. Benisty, J. P. Berger, H. Beust, S. Blunt, A. Boccaletti, A. Bohn, M. Bonnefoy, H. Bonnet, W. Brandner, F. Cantalloube, P. Caselli, B. Charnay, G. Chauvin, E. Choquet, V. Christiaens, Y. Clénet, A. Cridland, P. T. De Zeeuw, R. Dembet, J. Dexter, A. Drescher, Kimberly Ward-Duong, Et Al

Astronomy: Faculty Publications

Combining adaptive optics and interferometric observations results in a considerable contrast gain compared to single-telescope, extreme AO systems. Taking advantage of this, the ExoGRAVITY project is a survey of known young giant exoplanets located in the range of 0.1"to 2"from their stars. The observations provide astrometric data of unprecedented accuracy, being crucial for refining the orbital parameters of planets and illuminating their dynamical histories. Furthermore, GRAVITY will measure non-Keplerian perturbations due to planet-planet interactions in multi-planet systems and measure dynamical masses. Over time, repetitive observations of the exoplanets at medium resolution (R = 500) will provide a catalogue of K-band …

Revised Astrometric Calibration Of The Gemini Planet Imager, Robert J. De Rosa, Meiji M. Nguyen, Jeffrey Chilcote, Bruce Macintosh, Marshall D. Perrin, Quinn Konopacky, Jason J. Wang, Gaspard Duchêne, Eric L. Nielsen, Julien Rameau, S. Mark Ammons, Vanessa P. Bailey, Travis Barman, Joanna Bulger, Tara Cotten, Rene Doyon, Thomas M. Esposito, Michael P. Fitzgerald, Katherine B. Follette, Benjamin L. Gerard, Stephen J. Goodsell, James R. Graham, Alexandra Z. Greenbaum, Pascale Hibon, Li Wei Hung, Patrick Ingraham, Paul Kalas, James E. Larkin, Jérôme Maire, Franck Marchis, Mark S. Marley, Christian Marois, Kimberly Ward-Duong, Et Al

Astronomy: Faculty Publications

We present a revision to the astrometric calibration of the Gemini Planet Imager (GPI), an instrument designed to achieve the high contrast at small angular separations necessary to image substellar and planetary-mass companions around nearby, young stars. We identified several issues with the GPI data reduction pipeline (DRP) that significantly affected the determination of the angle of north in reduced GPI images. As well as introducing a small error in position angle measurements for targets observed at small zenith distances, this error led to a significant error in the previous astrometric calibration that has affected all subsequent astrometric measurements. We …

A 3-Year Sample Of Almost 1,600 Elves Recorded Above South America By The Pierre Auger Cosmic-Ray Observatory, A. Aab, R. Engel, Gregory Snow, Pierre Auger Cosmic-Ray Observatory, 390 Co-Authors

Gregory Snow Publications

Elves are a class of transient luminous events, with a radial extent typically greater than 250 km, that occur in the lower ionosphere above strong electrical storms.We report the observation of 1,598 elves, from 2014 to 2016, recorded with unprecedented time resolution (100 ns) using the fluorescence detector (FD) of the Pierre Auger Cosmic-Ray Observatory. The Auger Observatory is located in the Mendoza province of Argentina with a viewing footprint for elve observations of 3 · 106 km2, reaching areas above the Pacific and Atlantic Oceans, as well as the Córdoba region, which is known for severe convective thunderstorms. Primarily …

Full Orbital Solution For The Binary System In The Northern Galactic Disc Microlensing Event Gaia16aye, Ł. Wyrzykowski, P. Mróz, K. A. Rybicki, M. Gromadzki, Z. Kołaczkowski, M. Zieliński, P. Zieliński, N. Britavskiy, A. Gomboc, K. Sokolovsky, S. T. Hodgkin, L. Abe, G. F. Aldi, A. Almannaei, G. Altavilla, A. Al Qasim, G. C. Anupama, S. Awiphan, E. Bachelet, V. Bakış, S. Baker, S. Bartlett, P. Bendjoya, K. Benson, I. F. Bikmaev, G. Birenbaum, N. Blagorodnova, S. Blanco-Cuaresma, S. Boeva, A. Z. Bonanos, V. Bozza, D. M. Bramich, I. Bruni, R. A. Burenin, U. Burgaz, T. Butterley, H. E. Caines, D. B. Caton, S. Calchi Novati, J. M. Carrasco, A. Cassan, V. Čepas, M. Cropper, M. Chruślińska, G. Clementini, A. Clerici, D. Conti, M. Conti, S. Cross, F. Cusano, G. Damljanovic, D. Dapergolas, G. D'Ago, J. H. J. De Bruijne, M. Dennefeld, V. S. Dhillon, M. Dominik, J. Dziedzic, O. Erece, M. V. Eselevich, H. Esenoglu, L. Eyer, R. Figuera Jaimes, S. J. Fossey, A. I. Galeev, S. A. Grebenev, A. C. Gupta, A. G. Gutaev, N. Hallakoun, A. Hamanowicz, C. Han, B. Hanzlik, J. B. Haislip, L. Hanlon, L. K. Hardy, D. L. Harrison, H. J. Van Heerden, V. L. Hoette, K. Horne, R. Hudec, M. Hundertmark, N. Ihanec, E. N. Irtuganov, R. Itoh, P. Iwanek, M. D. Jovanovic, R. Janulis, M. Jelínek, Eric L.N. Jensen, Z. Kaczmarek, D. Katz, I. M. Khamitov, Y. Kilic, J. Klencki, U. Kolb, G. Kopacki, V. V. Kouprianov, K. Kruszyńska, S. Kurowski, G. Latev, C.-H. Lee, S. Leonini, G. Leto, F. Lewis, Z. Li, A. Liakos, S. P. Littlefair, J. Lu, C. J. Manser, S. Mao, D. Maoz, A. Martin-Carrillo, J. P. Marais, M. Maskoliūnas, J. R. Maund, P. J. Meintjes, S. S. Melnikov, K. Ment, P. Mikołajczyk, M. Morrell, N. Mowlavi, D. Moździerski, D. Murphy, S. Nazarov, H. Netzel, R. Nesci, C.-C. Ngeow, A. J. Norton, E. O. Ofek, E. Pakštienė, L. Palaversa, A. Pandey, E. Paraskeva, M. Pawlek, M. T. Penny, B. E. Penprase, A. Piascik, J. L. Prieto, J. K. T. Qvam, C. Ranc, A. Rebassa-Mansergas, D. E. Reichert, P. Reig, L. Rhodes, J.-P. Rivet, G. Rixon, D. Roberts, P. Rosi, D. M. Russell, R. Zanmar Sanchez, G. Scarpetta, G. Seabroke, B. J. Shappee, R. Schmidt, Y. Shvartzvald, M. Sitek, J. Skowron, M. Śniegowska, C. Snodgrass, P. S. Soares, B. Van Soelen, Z. T. Spetsieri, A. Stankevičiūtė, I. A. Steele, R. A. Street, J. Strobl, E. Strubble, H. Szegedi, L. M. Tinjava Ramirez, L. Tomasella, Y. Tsapras, D. Vernet, S. Villanueva Jr., O. Vince, J. Wambsganss, I. P. Van Der Westhuizen, K. Wiersema, D. Wium, R. W. Wilson, A. Yoldas, R. Ya. Zhuchkov, D. G. Zhukov, J. Zdanavičius, S. Zoła, A. Zubareva

Physics & Astronomy Faculty Works

Gaia16aye was a binary microlensing event discovered in the direction towards the northern Galactic disc and was one of the first microlensing events detected and alerted to by the Gaia space mission. Its light curve exhibited five distinct brightening episodes, reaching up to I = 12 mag, and it was covered in great detail with almost 25 000 data points gathered by a network of telescopes. We present the photometric and spectroscopic follow-up covering 500 days of the event evolution. We employed a full Keplerian binary orbit microlensing model combined with the motion of Earth and Gaia around the Sun …

On Entropy Conservation And Kinetic Energy Preservation Methods, H. C. Yee, Björn Sjögreen

United States National Aeronautics and Space Administration: Publications

The Tadmor-type entropy conservative method using the mathematical logarithmic entropy function and two forms of the Sjögreen & Yee entropy conservative methods using the Harten entropy function are examined for their nonlinear stability and accuracy in very long time integration of the Euler equations of compressible gas dynamics. Following the same procedure as Ranocha [6] these entropy conservative methods can be made kinetic energy preserving with minimum added computational effort. The focus of this work is to examine the nonlinear stability and accuracy of these newly introduced high order entropy conserving and kinetic energy preserving methods for very long time …

Beyond Equilibrium Temperature: How The Atmosphere/Interior Connection Affects The Onset Of Methane, Ammonia, And Clouds In Warm Transiting Giant Planets, Jonathan J. Fortney, Channon Visscher, Mark S. Marley, Callie E. Hood, Michael R. Line, Daniel P. Thorngren, Richard S. Freedman, Roxana Lupu

Faculty Work Comprehensive List

The atmospheric pressure–temperature profiles for transiting giant planets cross a range of chemical transitions. Here we show that the particular shapes of these irradiated profiles for warm giant planets below ∼1300 K lead to striking differences in the behavior of nonequilibrium chemistry compared to brown dwarfs of similar temperatures. Our particular focus is H2O, CO, CH4, CO2, and NH3 in Jupiter- and Neptune-class planets. We show that the cooling history of a planet, which depends most significantly on planetary mass and age, can have a dominant effect on abundances in the visible atmosphere, often swamping trends one might expect based …

Just A Bit Of Physics Can Tell So Much: A Unique Story Of The Start Of The Earth-Moon System, Fred J. Cadieu

Publications and Research

The start of the Earth-Moon system has been studied to show that this was an exceptionally violent event. One result was that Earth became the terrestrial planet with the highest average density. Another result was that Earth acquired enough mass and radioactive elements that it is expected to maintain a molten core region and magnetic field for the expected life of the Earth. Earth alone of the terrestrial planets was then able to develop plate tectonics as a long term energy release mechanism. The dipole magnetic field of the Sun reverses periodically, currently at the rate of about every 11 …

Historical Milestones In Astronomy: As Shown Through The Byu Special Collections Archives, Dan Broadbent

Faculty Publications

Science Research: The “Long Conversation”

• Ideas in science can take a long time to develop.
• How do they develop?

• These books document a part of a conversation that began 447 years ago and spanned a 153 year period… documenting:
• how the overall nature of the universe was worked out,
• the establishment of the scientific method, and the boundaries of religious authority,
• and culminated in Isaac Newton’s book that presented his three laws of motion that allow us to explore the universe to this day.

The Future Of Space Governance, Melissa J. Durkee

Scholarly Works

Fifty years after the first moonwalk, the prospect for a new set of multilateral agreements governing outer space is remote, yet the legal questions raised by activity in space are mounting. With little prospect of new treaties, nations will need to make do with existing treaty law, generate customary rules to govern new applications, or develop forms of sub-legal understanding and cooperation. This special conference issue of the Georgia Journal of International and Comparative Law addresses these questions.

Measured Optical Absorption Cross Sections Of Tio, Peter Bernath

Chemistry & Biochemistry Faculty Publications

A laboratory emission spectrum of TiO in the visible and near-infrared regions (476–1176 nm) has been calibrated and corrected. High-resolution experimental absorption cross sections for TiO with natural isotopic abundance are provided at a temperature of about 2300 K. These cross sections have been compared with those derived from the ExoMol line list. The experimental cross sections can be used directly as a template for cross correlation TiO detection in hot Jupiter exoplanets.

There Is No Constant In Physics: A Neutrosophic Explanation, Victor Christianto, Robert Neil Boyd, Florentin Smarandache

Branch Mathematics and Statistics Faculty and Staff Publications

In Neutrosophic Logic, a basic assertion is that there are variations of about everything that we can measure; the variations surround three parameters called T,I,F (truth, indeterminacy, falsehood) which can take a range of values. Similarly, in this paper we consider NL applications in physics constants. Those constants actually all have a window of plus and minus values, relative to the average value of the constant. For example, speed of light, c, can vary in a window up to +/- 3000 m/s. Therefore it should be written: 300000 km/s +/- 3 km/s. We also discuss some implications of this new …

Hd 213885b: A Transiting 1-D-Period Super-Earth With An Earth-Like Composition Around A Bright (V = 7.9) Star Unveiled By Tess, N. Espinoza, R. Brahm, T. Henning, A. Jordán, C. Dorn, F. Rojas, P. Sarkis, D. Kossakowski, M. Schlecker, M. R. Díaz, J. S. Jenkins, C. Aguilera-Gomez, J. M. Jenkins, J. D. Twicken, K. A. Collins, J. Lissauer, D. J. M. Armstrong, V. Adibekyan, D. Barrado, S. C. C. Barros, M. Battley, D. Bayliss, F. Bouchy, E. M. Bryant, B. F. Cooke, O. D. S. Demaneon, X. Dumusque, P. Figueira, H. Giles, J. Lillo-Box, C. Lovis, L. D. Nielsen, F. Pepe, D. Pollacco, N. C. Santos, S. G. Sousa, S. Udry, P. J. Wheatley, O. Turner, M. Marmier, D, Ségransan, G. Ricker, D. Latham, S. Seager, J. N. Winn, J. F. Kielkopf, R. Hart, G. Wingham, Eric L.N. Jensen, K. G. Hełminiak, A. Tokovinin, C. Briceño, C. Ziegler, N. M. Law, A. W. Mann, T. Daylan, J. P. Doty, N. Guerrero, P. Boyd, I. Crossfield, R. I. Morris, C. E. Henze, A. D. Chacon

Physics & Astronomy Faculty Works

We report the discovery of the 1.008-d, ultrashort period (USP) super-Earth HD 213885b (TOI-141b) orbiting the bright (V = 7.9) star HD 213885 (TOI-141, TIC 403224672), detected using photometry from the recently launched TESS mission. Using FEROS, HARPS, and CORALIE radial velocities, we measure a precise mass of 8.8 ± 0.6 M⊕ for this 1.74 ± 0.05 R⊕ exoplanet, which provides enough information to constrain its bulk composition – similar to Earth’s but enriched in iron. The radius, mass, and stellar irradiation of HD 213885b are, given our data, very similar to 55 Cancri e, making this exoplanet a good …

Three Possible Applications Of Neutrosophic Logic In Fundamental And Applied Sciences, Victor Christianto, Robert Neil Boyd, Florentin Smarandache

Branch Mathematics and Statistics Faculty and Staff Publications

In Neutrosophic Logic, a basic assertion is that there are variations of about everything that we can measure; the variations surround three parameters called T,I,F (truth, indeterminacy, falsehood) which can take a range of values. This paper shortly reviews the links among aether and matter creation from the perspective of Neutrosophic Logic. Once we accept the existence of aether as physical medium, then we can start to ask on what causes matter ejection, as observed in various findings related to quasars etc. One particular cosmology model known as VMH (variable mass hypothesis) has been suggested by notable astrophysicists like Halton …

A Review On Superluminal Physics And Superluminal Communication In Light Of The Neutrosophic Logic Perspective, Victor Christianto, Florentin Smarandache

Branch Mathematics and Statistics Faculty and Staff Publications

In a recent paper, we describe a model of quantum communication based on combining consciousness experiment and entanglement, which can serve as impetus to stop 5G-network-caused diseases. Therefore, in this paper we consider superluminal physics and superluminal communication as a bridge or intermediate way between subluminal physics and action-at-a-distance (AAAD) physics, especially from neutrosophic logic perspective. Although several ways have been proposed to bring such a superluminal communication into reality, such as Telluric wave or Telepathy analog of Horejev and Baburin, here we also review two possibilities: quaternion communication and also quantum communication based on quantum noise. Further research is …

Extreme Ultraviolet Quasar Colours From Galex Observations Of The Sdss Dr14q Catalogue, Daniel E. Vanden Berk, Sarah C. Wesolowski, Mary J. Yeckley, Joseph M. Marcinik, Jean M. Quashnock, Lawrence M. Machia, Jian Wu

Computer Science Faculty Publications

The rest-frame far to extreme ultraviolet (UV) colour–redshift relationship has been constructed from data on over 480,000 quasars carefully cross-matched between SDSS Data Release 14 and the final GALEX photometric catalogue. UV matching and detection probabilities are given for all the quasars, including dependencies on separation, optical brightness, and redshift. Detection limits are also provided for all objects. The UV colour distributions are skewed redward at virtually all redshifts, especially when detection limits are accounted for. The median GALEX far-UV minus near-UV (FUV − NUV) colour–redshift relation is reliably determined up to z ≈ 2.8, corresponding to rest-frame wavelengths as …

First Resolved Scattered-Light Images Of Four Debris Disks In Scorpius-Centaurus With The Gemini Planet Imager, Justin Hom, Jennifer Patience, Thomas M. Esposito, Gaspard Duchene, Kadin Worthen, Paul Kalas, Hannah Jang-Condell, Kezman Saboi, Pauline Arriaga, Johan Mazoyer, Schuyler Wolff, Maxwell A. Millar-Blanchaer, Michael P. Fitzgerald, Marshall D. Perrin, Christine H. Chen, Bruce Macintosh, Brenda C. Matthews, Jason J. Wang, James R. Graham, Franck Marchis, S. Mark Ammons, Vanessa P. Bailey, Travis Barman, Joanna Bulger, Jeffrey K. Chilcote, Tara Cotten, Robert J. De Rosa, René Doyon, Katherine B. Follette, Steven Goodsell, Alexandra Z. Greenbaum, Pascale Hibon, Kimberly Ward-Duong, Et Al

Astronomy: Faculty Publications

We present the first spatially resolved scattered-light images of four debris disks around members of the Scorpius-Centaurus (Sco-Cen) OB association with high-contrast imaging and polarimetry using the Gemini Planet Imager (GPI). All four disks are resolved for the first time in polarized light, and one disk is also detected in total intensity. The three disks imaged around HD 111161, HD 143675, and HD 145560 are symmetric in both morphology and brightness distribution. The three systems span a range of inclinations and radial extents. The disk imaged around HD 98363 shows indications of asymmetries in morphology and brightness distribution, with some …

Significance Of Gravitational Nonlinearities On The Dynamics Of Disk Galaxies, Alexandre Deur, Corey Sargent, Balša Terzić

Physics Faculty Publications

The discrepancy between the visible mass in galaxies or galaxy clusters and that inferred from their dynamics is well known. The prevailing solution to this problem is dark matter. Here we show that a different approach, one that conforms to both the current standard model of particle physics and general relativity (GR), explains the recently observed tight correlation between the galactic baryonic mass and the measured accelerations in the galaxy. Using direct calculations based on GR's Lagrangian and parameter-free galactic models, we show that the nonlinear effects of GR make baryonic matter alone sufficient to explain this observation. Our approach …