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Monograph Acesso aberto

Otto Struve,

Caption Title; Publisher's Name from p. 28; At Head of Title: Mélanges Mathématiques et Astronomiques Tirés du Bulletin de l'Académie Impériale des Sciences ...

1873 - Gale Group | NCCO SciTechMed 2 of 2

Artigo Revisado por pares

Maurice Schallenberg, Valerie Bangre, Klaus-Peter Steuhl, Stephan Kremmer, J. Michael Selbach,

To compare three different pupillometers (Colvard, Procyon, and Neuroptics) for determining pupil diameter at 0.04 and 0.4 lux ambient illumination.In 92 eyes of 46 healthy volunteers, ... mm at 0.4 lux with the Colvard, Procyon, and Neuroptics pupillometers, respectively. The interobserver disagreement ranged ... 7 to 0.7 mm) than for the Procyon (0.04 lux: -0.74 to 1.14 ... 1.40 mm) than for the Neuroptics versus Procyon (0.04 lux: -1.06 to 2.69 ... 18 to 3.69 mm) or Colvard versus Procyon (0.04 lux: -0.63 to 2.60 ... mm for the Colvard and Neuroptics; for the Procyon, 25% of consecutive measurements showed a difference >+/-0. ...

Tópico(s): Corneal surgery and disorders

2010 - Slack Incorporated (United States) | Journal of Refractive Surgery

Jornais Acesso aberto

Rev. M. J. Berkeley, Ronald Gunn, J. E. Gray, Rev. J. B. Reade, George Johnston, G. A. W. Arnott, Prof. F. A. Wiegmann, Thomas Nuttall,

... Miscellaneous Notes on Irish Birds, On the Genus Procyon, with a Description of Two New Species. By ...

1838 - Gale Group | NCCO-STM 1of2

Artigo

John N. Mugaas, John Seidensticker, Kathleen P. Mahlke-Johnson,

... Adaptation to Climate and Distribution of the Raccoon Procyon lotor and Other Procyonidae. Smithsonian Contributions to Zoology, ... largely a Neotropical group, the North American raccoon, Procyon lotor, is more versatile in its use of ... metabolic characteristics of their warm-adapted ancestors, whereas Procyon lotor evolved a different set of adaptations that ... and climates. To test this hypothesis we compared Procyon lotor with several other procyonids (Bassariscus astutus, Nasua nasua, Nasua narica, Procyon cancrivorus, and Potos flavus) with respect to (1) ...

Tópico(s): Avian ecology and behavior

1993 - Smithsonian Institution Scholarly Press | Smithsonian contributions to zoology

Artigo Acesso aberto Revisado por pares

Jeffrey L. Linsky, A. Diplas, Brian E. Wood, Alexander Brown, T. R. Ayres, Blair D. Savage,

... and the Local Interstellar Medium Properties for the Procyon and Capella Lines of Sight Linsky, Jeffrey L. ; ... the lines of sight toward the nearby stars Procyon (3.5 pc, l = 214°, b = 13°) and ... are ±2 σ.) For the analysis of the Procyon line of sight, we first assumed that the ... II line profiles. We believe therefore that the Procyon data are consistent with (D/H)LISM = 1. ... medium (LISM). The temperature and turbulence in the Procyon line of sight are T = 6900±80 (±300 ... those of Capella, except that the gas toward Procyon is divided into two velocity components separated by ...

Tópico(s): Astro and Planetary Science

1995 - IOP Publishing | The Astrophysical Journal

Artigo Revisado por pares

Thomas Kohnen, Evdoxia Terzi, Thomas Kasper, Eva-Maria Kohnen, Jens Bühren,

... adaptation using the following devices: digital infrared pupillometer (Procyon Instruments Ltd.), handheld infrared pupillometer (Colvard) (Oasis Medical), ... system (Bausch & Lomb Surgical). Measurements taken with the Procyon pupillometer were considered reference values for comparison with ... 6.10 mm ± 0.86 (SD) with the Procyon pupil- lometer, 5.68 ± 1.07 mm with ... limits of agreement were smallest for measurements between Procyon and Colvard and largest for measurements between Procyon and Orbscan. The sign test revealed statistically significant ...

Tópico(s): Glaucoma and retinal disorders

2004 - Lippincott Williams & Wilkins | Journal of Cataract & Refractive Surgery

Artigo Acesso aberto Revisado por pares

J. U. Ness, R. Mewe, J. H. M. M. Schmitt, A. J. J. Raassen, D. Porquet, J. S. Kaastra, R. L. J. van der Meer, V. Burwitz, P. Predehl,

... to the X-ray spectra of Capella and Procyon measured with the Low Energy Transmission Grating Spectrometer ( ... f=i =1 :48 0:34), while for Procyon we obtain 9:28 +0:4 9:28 ... active regions, and also pressures and temperatures in Procyon's and Capella's corona at a level ... in solar flares. Comparison of our Capella and Procyon measurements with the Sun shows little dierence in ... scaling laws, implying that the magnetic structures in Procyon and Capella are quite dierent. The total mean ... like ions are quite similar for Capella and Procyon, but exceed typical solar values by one order ...

Tópico(s): Magnetic confinement fusion research

2001 - EDP Sciences | Astronomy and Astrophysics

Artigo Acesso aberto Revisado por pares

Howard E. Bond, Ronald L. Gilliland, Gail Schaefer, P. Demarque, Terrence M. Girard, J. B. Holberg, Donald H. Gudehus, Brian D. Mason, V. Kozhurina-Platais, M. R. Burleigh, M. A. Barstow, Edmund Nelan,

The nearby star Procyon is a visual binary containing the F5 IV-V subgiant Procyon A, orbited in a 40.84 yr period by the faint DQZ white dwarf Procyon B. Using images obtained over two decades with ... for A and B, respectively. The mass of Procyon A agrees well with theoretical predictions based on ... amount of core overshoot. Under these modeling assumptions, Procyon A's age is ~2.7 Gyr. Procyon B's location in the H-R diagram ... has remained high (~0.40). The mass of Procyon B is somewhat lower than anticipated from the ...

Tópico(s): Astrophysics and Star Formation Studies

2015 - IOP Publishing | The Astrophysical Journal

Artigo Revisado por pares

J. J. Drake, J. M. Laming, K. G. Widing,

... Effect and Its Absence in the Corona of Procyon Drake, Jeremy J. ; Laming, J. M. ; Widing, K. ... study of element abundances in the corona of Procyon based on spectroscopic observations obtained with the Extreme ... 6.0. The abundances in the corona of Procyon are found to be consistent with their photospheric ... the 'FIP effect' appears to be absent in Procyon. We speculate that the dominant emission from the corona and transition region in Procyon could originate in low-altitude structures analogous to ... considerable body of observational evidence suggests both that Procyon is a 'basal' star in terms of its ...

Tópico(s): Astro and Planetary Science

1995 - IOP Publishing | The Astrophysical Journal

Artigo Acesso aberto Revisado por pares

J. U. Ness, R. Mewe, J. H. M. M. Schmitt, A. J. J. Raassen, D. Porquet, J. S. Kaastra, R. L. J. van der Meer, V. Burwitz, P. Predehl,

... to the X-ray spectra of Capella and Procyon measured with the Low Energy Transmission Grating Spectrometer ( ... N vi (), and for C v (), while for Procyon we obtain for O vii (), for N vi (), ... active regions, and also pressures and temperatures in Procyon's and Capella's corona at a level ... in solar flares. Comparison of our Capella and Procyon measurements with the Sun shows little difference in ... scaling laws, implying that the magnetic structures in Procyon and Capella are quite different. The total mean ... like ions are quite similar for Capella and Procyon, but exceed typical solar values by one order ...

Tópico(s): Atomic and Molecular Physics

2001 - EDP Sciences | Astronomy and Astrophysics

Artigo Revisado por pares

J. H. M. M. Schmitt, Jr. Harnden F. R., R. Rosner, G. Pérès, S. Serio,

... Citation NASA/ADS The X-ray corona of Procyon. Schmitt, J. H. M. M. ; Harnden, F. R., ... Abstract X-ray emission from the nearby system Procyon A/B (F5 IV + DF) was detected, using ... that the observed X-ray emission originates in Procyon A rather than in the white dwarf companion Procyon B, since the derived X-ray temperature, log ... found for quiescent solar X-ray emission. Modeling Procyon's corona with loops characterized by some apex ...

Tópico(s): Astro and Planetary Science

1985 - IOP Publishing | The Astrophysical Journal

Artigo Revisado por pares

Thomas Kohnen, Evdoxia Terzi, Jens Bühren, Eva-Maria Kohnen,

... scotopic pupil size was measured with a digital (Procyon) and a handheld (Colvard) infrared pupillometer. After dark ... 3.24 to 7.91 mm) with the Procyon and 5.78 ± 0.98 mm (range 3. ... E2). The coefficients of repeatability were 0.64 (Procyon) and 1.16 (Colvard). The mean difference between E1 and E2 was −0.10 for the Procyon and 0.13 for the Colvard pupillometer. The limits of agreement ranged from 1.28 (Procyon) to 2.32 (Colvard). Conclusions: The digital infrared pupillometer (Procyon) demonstrated better repeatability and agreement in measuring scotopic ...

Tópico(s): Ophthalmology and Visual Impairment Studies

2003 - Lippincott Williams & Wilkins | Journal of Cataract & Refractive Surgery

Artigo Acesso aberto Revisado por pares

D. B. Guenther, T. Kallinger, M. Gruberbauer, Daniel Huber, W. W. Weiß, R. Kuschnig, P. Demarque, F. J. Robinson, J. M. Matthews, A. F. J. Moffat, S. M. Ruciński, Dimitar Sasselov, G. A. H. Walker,

We present new photometry of Procyon, obtained by MOST during a 38 day run in 2007, and frequency analyses of those data. The long time coverage and ... level obtained from each of the previous two Procyon campaigns by MOST in 2004 and 2005. The ... of the modes and the dynamic structure of Procyon's thin convection zone. We compare the MOST Procyon amplitude and power density spectra with preliminary results ... These models show that, unlike in the Sun, Procyon's granulation signal in luminosity has a peak ...

Tópico(s): Astronomy and Astrophysical Research

2008 - IOP Publishing | The Astrophysical Journal

Artigo Revisado por pares

Claire McDonnell, Martina Rolincova, Jan A. Venter,

... compare pupil sizes measured with the Colvard pupillometer, Procyon pupillometer, and NIDEK OPD-Scan.Pupil diameter was ... and 6.45+/-1.01 mm with the Procyon pupillometer. The mean mesopic pupillometer was 5.58+/-1.01 mm with the Procyon pupillometer and 6.26-0.99 mm with ... with the scotopic pupil diameter measured with the Procyon and Colvard pupillometers than the mesopic pupil diameter measured with the Procyon pupillometer.

Tópico(s): Glaucoma and retinal disorders

2006 - Slack Incorporated (United States) | Journal of Refractive Surgery

Artigo Acesso aberto Revisado por pares

Yoichi Takeda, Kenichi Kato, Yoshiya Watanabe, Kozo Sadakane,

... in the flux spectrum of the Sun and Procyon were studied in detail using the multi-parameter ... upon these results, the atmospheric-velocity parameters of Procyon were determined to be ξ ≃ 1.4 km ... velocity). The potassium abundances of the Sun and Procyon derived from this resonance line, which are significantly ... 0.4 dex (Sun) and ∼ 0.7 dex (Procyon), turned out to be nearly the same and ... height of the Sun as well as of Procyon.

Tópico(s): Ionosphere and magnetosphere dynamics

1996 - Oxford University Press | Publications of the Astronomical Society of Japan

Artigo Acesso aberto Revisado por pares

James Liebert, G. Fontaine, Patrick Young, Kurtis A. Williams, David Arnett,

The Procyon AB binary system (orbital period 40.838 yr, a newly refined determination) is near and bright enough ... 87 ± 0.13 Gyr. Since prior studies of Procyon A found its abundance indistinguishable from solar, the ... Sauval (Z = 0.019) is also reported. For Procyon B, 11 new sequences for the cooling of ... Gyr, which implies that the progenitor mass of Procyon B was 2.59 M☉. In a plot ... or star clusters (all with age determinations), the Procyon B final mass lies several σ below a ...

Tópico(s): Astro and Planetary Science

2013 - IOP Publishing | The Astrophysical Journal

Artigo Acesso aberto Revisado por pares

Brian Chaboyer, P. Demarque, D. B. Guenther,

A grid of stellar evolution models for Procyon A has been calculated. These models include the best physics available to us (including the latest opacities and equation of state) and are ... state (main sequence or shell hydrogen burning) of Procyon A. The p-modes are relatively insensitive to the details of the physics used to model Procyon A and only depend on the evolutionary state of Procyon A. Hence, observations of p-mode frequencies on Procyon A will serve as a robust test of ...

Tópico(s): Astrophysics and Star Formation Studies

1999 - IOP Publishing | The Astrophysical Journal

Artigo Acesso aberto Revisado por pares

Marcos Antônio Bezerra‐Santos, Jairo Alfonso Mendoza‐Roldan, R.C.A. Thompson, Filipe Dantas‐Torres, Domenico Otranto,

... more than just animals – Baylisascaris procyonis in raccoons (Procyon lotor) in Norway.J. Wildl. Dis. 2013; 49: ... more than just animals – Baylisascaris procyonis in raccoons (Procyon lotor) in Norway.J. Wildl. Dis. 2013; 49: ... procyonis, Toxascaris sp., and Toxocara sp. in racoons (Procyon lotor) illegally imported to Norway [7.Davidson R. ... more than just animals – Baylisascaris procyonis in raccoons (Procyon lotor) in Norway.J. Wildl. Dis. 2013; 49: ... more than just animals – Baylisascaris procyonis in raccoons (Procyon lotor) in Norway.J. Wildl. Dis. 2013; 49: ...

Tópico(s): Wildlife Ecology and Conservation

2021 - Elsevier BV | Trends in Parasitology

Artigo Acesso aberto Revisado por pares

J. Tomkin, David L. Lambert,

... and oxygen abundances in main-sequence stars. I. Procyon and the Hyades cluster stars 45 Tauri and ... 1 lines in the near-infrared spectra of Procyon and the Hyades cluster main-sequence stars 45 ... CN violet system (0, 0) band lines in Procyon provides a check of the results obtained from ... giants' main-sequence lifetime. The iron abundances of Procyon, 45 Tau, and HD 27561 derived from the ...

Tópico(s): Astro and Planetary Science

1978 - IOP Publishing | The Astrophysical Journal

Artigo Acesso aberto Revisado por pares

Timothy M. Brown, Ronald L. Gilliland, R. W. Noyes, Lawrence W. Ramsey,

... ADS Detection of Possible p-Mode Oscillations on Procyon Brown, Timothy M. ; Gilliland, Ronald L. ; Noyes, Robert ... Doppler variability was observed in the F5 subgiant Procyon. The variations have frequencies within a 1.1 ... such variation, indicating that the variations seen on Procyon are of stellar origin. The Doppler signal seen ... entirely consistent with solar-like p-modes on Procyon, with maximum mode amplitudes of about 50 cm/ ...

Tópico(s): Astronomical Observations and Instrumentation

1991 - IOP Publishing | The Astrophysical Journal

Artigo Acesso aberto Revisado por pares

T. R. Ayres,

... F Stars: A Rotational Modulation Study of Capella, Procyon, and Caph with the International Ultraviolet Explorer Ayres, ... Far-UV spectroscopy of the F stars Capella, Procyon, and Caph is reported. Although all three stars ... the one hand, the C IV features of Procyon are narrow, while that of the Capella secondary ... high-excitation emissions of the Capella secondary and Procyon, but not Caph, exhibit statistically significant redshifts. The ...

Tópico(s): Astronomy and Astrophysical Research

1991 - IOP Publishing | The Astrophysical Journal

Artigo Revisado por pares

Catherine I. Cullingham, Christopher J. Kyle, Bruce A. Pond, Bradley N. White,

... with morphologically defined subspecies of the common raccoon (Procyon lotor (L., 1758)). Mitochondrial control region sequences were analyzed within and among four subspecies ( Procyon lotor elucus Bangs, 1898, Procyon lotor lotor (L., 1758), Procyon lotor hirtus Nelson and Goldman, 1930, and Procyon lotor varius Nelson and Goldman, 1930) that occur ...

Tópico(s): Genetic diversity and population structure

2008 - NRC Research Press | Canadian Journal of Zoology

Artigo Acesso aberto Revisado por pares

T. Arentoft, H. Kjeldsen, T. R. Bedding, M. Bazot, J. Christensen‐Dalsgaard, T. H. Dall, C. Karoff, F. Carrier, P. Eggenberger, D. Sosnowska, Robert A. Wittenmyer, Michael Endl, Τ. S. Metcalfe, S. Hekker, S. Reffert, R. Paul Butler, H. Bruntt, L. L. Kiss, S. J. O’Toole, Eiji Kambe, Hiroyasu Ando, Hideyuki Izumiura, Bun’ei Sato, M. Hartmann, A. P. Hatzes, F. Bouchy, B. Mosser, T. Appourchaux, C. Barban, G. Berthomieu, R. A. García, E. Michel, J. Provost, S. Turck‐Chièze, Milena Martić, J. C. Lebrun, Jérôme Schmitt, J.–L. Bertaux, A. Bonanno, S. Benatti, R. Claudi, R. Cosentino, S. Leccia, S. Frandsen, K. Brogaard, L. Glowienka, F. Grundahl, Eric Stempels,

... campaign to measure oscillations in the F5 star Procyon A. We obtained high-precision velocity observations over ... combined data. The time series of velocities for Procyon shows the clear signature of oscillations, with a ... a slow variation in the radial velocity of Procyon, with good agreement between different telescopes. These variations ... slow variations indicates that the fractional area of Procyon covered by active regions is slightly higher than ...

Tópico(s): Solar and Space Plasma Dynamics

2008 - IOP Publishing | The Astrophysical Journal

Artigo Revisado por pares

Ryan J. Monello, Joshua J. Millspaugh, RAMI J. WOODS, Matthew E. Gompper,

... stages of Baylisascaris procyonis in naturally infected raccoons (Procyon lotor). Vet. Parasitol. 60, 155–159. Belden, L. ... 1996). Acquired resistance and antibody response of raccoons (Procyon lotor) to sequential feedings of Ixodes scapularis (Acari: ... ivermectin against several nematodes in naturally infected raccoons (Procyon lotor). J. Zoo Wildl. Med. 22, 417–420. ... variabilis) abundance and engorgement on free-ranging raccoons (Procyon lotor). Parasitology 134, 2053–2062. Monello, R.J. & ... seasonality underlying louse and flea parasitism of raccoons (Procyon lotor). J. Parasitol. 95, 56–62. Monello, R. ...

Tópico(s): Dermatological diseases and infestations

2010 - Wiley | Journal of Zoology

Artigo Acesso aberto Revisado por pares

J. Provost, G. Berthomieu, M. Martić, P. Morel,

Models of Procyon A satisfying the actual observational constraints, particularly the asteroseismic ones, are discussed. The oscillations of these models were ... for seismic signatures of the evolutionary status of Procyon A. We show that the behavior of the ... mass, effective temperature, radius, and surface metallicity of Procyon A. We also introduce a new seismic evolution ... definitely decide on the stage of evolution of Procyon A. Much more accurate frequencies must be obtained ...

Tópico(s): Astronomy and Astrophysical Research

2006 - EDP Sciences | Astronomy and Astrophysics

Artigo Acesso aberto

Sander J. Bootsma, Nayyirih G. Tahzib, Fred A.G.J. Eggink, John de Brabander, Rudy M.M.A. Nuijts,

... Pupil size was measured with the Colvard and Procyon pupillometers in 121 eyes in group 1 and ... low and mesopic-high measurements taken with the Procyon pupillometer in both groups. Analysis of comparison between ... pupil diameter, scotopic, mesopic-low and mesopic-high Procyon pupil diameters were 5.86 +/- 0.81 mm, ... The Colvard diameter compared most favourably with the Procyon mesopic-low diameter (group 2; p = 0.78). ... pupillometer correlated best with measurements taken by the Procyon pupillometer under standardized mesopic-low light conditions. We ...

Tópico(s): Glaucoma and retinal disorders

2006 - Wiley | Acta Ophthalmologica Scandinavica

Artigo Acesso aberto Revisado por pares

A. Chiavassa, Lionel Bigot, P. Kervella, A. Matter, B. López, R. Collet, Z. Magic, M. Asplund,

... new realistic 3D radiative-hydrodynamical model atmosphere of Procyon generated with the Stagger Code and synthetic spectra ... data from the optical to the infrared of Procyon. We compute intensity maps in two optical filters ... thermal gradient of the simulation matches fairly well Procyon. Finally, we show that the granulation pattern of a planet hosting Procyon-like star has a non-negligible impact on ...

Tópico(s): Astro and Planetary Science

2012 - EDP Sciences | Astronomy and Astrophysics

Artigo Acesso aberto Revisado por pares

D. B. Guenther, P. Demarque,

... Export Citation NASA/ADS Evolution and Seismology of Procyon Guenther, D. B. ; Demarque, P. Abstract We have calculated an array of stellar models for Procyon A that are based on the best physics ... of models spans the error space centered on Procyon's mass, chemical composition, effective temperature, and luminosity. ... the edge of the convective core to match Procyon's position in the H-R diagram. We ...

Tópico(s): Geophysics and Gravity Measurements

1993 - IOP Publishing | The Astrophysical Journal

Artigo Acesso aberto Revisado por pares

S. A. Drake, Theodore Simon, Alexander Brown,

... NASA/ADS Detection of Radio Continuum Emission from Procyon Drake, Stephen A. ; Simon, Theodore ; Brown, Alexander Abstract We have detected the F5 IV-V star Procyon as a weak and variable 3.6 cm ... Jy flux density level at which we detected Procyon on four of five occasions is close to ... highly localized magnetic fields on the surface of Procyon. Publication: The Astrophysical Journal Pub Date: March 1993 ...

Tópico(s): Astronomical Observations and Instrumentation

1993 - IOP Publishing | The Astrophysical Journal