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Now showing items 428-447 of 761

Neutron skin and signature of the N = 14 shell gap found from measured proton radii of [superscript 17−22] N

Bagchi, Soumya; Kanungo, Rituparna; Horiuchi, W.; Hagen, G.; Morris, T.D.; Stroberg, S.R.; Suzuki, T.; Ameil, F.; Atkinson, Joel; Ayyad, Y.; Cortina-Gil, D.; Dillmann, I.; Estradé, Alfredo; Evdokimov, A.; Farinon, F.; Geissel, H.; Guastalla, G.; Janik, R.; Kaur, Satbir; Knöbel, R.; Kurcewicz, J.; Litvinov, Yu.A.; Marta, M.; Mostazo, M.; Mukha, I.; Nociforo, C.; Ong, H.J.; Pietri, S.; Prochazka, A.; Scheidenberger, C.; Sitar, B.; Strmen, P.; Takechi, M.; Tanaka, J.; Tanaka, Yoshiki K.; Tanihata, I.; Terashima, S.; Vargas, J.; Weick, H.; Winfield, J.S. (ElsevierNorth-Holland, 2019-01-21)

A thick neutron skin emerges from the first determination of root mean square radii of the proton distributions for ¹⁷⁻²²N from charge changing cross section measurements around 900A MeV at GSI. Neutron ...
New constraints on the black hole low/hard state inner accretion flow with NuSTAR

Miller, J. M.; Tomsick, J. A.; Bachetti, M.; Wilkins, D. R.; Boggs, S. E.; Christensen, F. E.; Craig, W. W.; Fabian, A. C.; Grefenstette, B. W.; Hailey, C. J. (American Astronomical Society, 2015-01-20)

We report on an observation of the Galactic black hole candidate GRS 1739−278 during its 2014 outburst, obtained with NuSTAR. The source was captured at the peak of a rising “low/hard” state, at a ﬂux of ~0.3 Crab. A broad, ...
New evidence supporting cluster membership for the keystone calibrator Delta Cephei

Majaess, Daniel J.; Turner, David Gerald, 1945-; Gieren, W. (IOP Publishing Limited, 2012-03-10)

New and existing UBVJHK_s, spectroscopic, NOMAD, Hubble Space Telescope, and revised Hipparcos observations are employed to determine properties for δ Cep and its host star cluster. The multi-faceted approach ...
New evidence supporting membership for TW Nor In Lyngå 6 and the Centaurus spiral arm

Majaess, Daniel J.; Turner, David Gerald, 1945-; Moni Bidin, Christian; Mauro, Francesco; Geisler, Douglas; Gieren, Wolfgang; Minniti, Dante; Chene, Andre-Nicolas; Lucas, Philip; Borissova, Jura (IOP Publishing, 2011-11-10)

The putative association between the 10.^d 8 classical Cepheid TW Nor and the open cluster Lyngå 6 has generated considerable debate in the literature. New JHK_s photometry in tandem with existing ...
New galactic star clusters discovered in the VVV survey. Candidates projected on the inner disk and bulge

Majaess, Daniel J.; Borissova, J.; Chene, A.-N.; Ramirez Alegria, S.; Sharma, S.; Clarke, J. R. A.; Kurtev, R.; Negueruela, I.; Marco, A.; Amigo, P. (EDP Sciences, 2014)

Context. VISTA Variables in the Vía Láctea (VVV) is one of six ESO Public Surveys using the 4 meter Visible and Infrared Survey Telescope for Astronomy (VISTA). The VVV survey covers the Milky Way bulge and an adjacent ...
A new measurement of the neutron detection efficiency for the NaI Crystal Ball detector

Martemianov, M.; Kulikov, V.; Demissie, B. T.; Marinides, Z.; Akondi, C. S.; Annand, J. R. M.; Arends, H. J.; Beck, R.; Borisov, N.; Braghieri, A.; Collicott, Cristina; Sarty, Adam James, 1965- (IOP Publishing, 2015-04-07)

We report on a measurement of the neutron detection efficiency in NaI crystals in the Crystal Ball detector obtained from a study of single [pi][superscript 0] photoproduction on deuterium using the tagged photon beam at ...
A new polymorph of 2,6-bis(trifluoromethyl)benzoic acid

Masuda, Jason Douglas, 1977-; Giffin, Nick A.; Hendsbee, Arthur D. (International Union of Crystallography, 2011-05)

The asymmetric unit of a second polymorph of the title compound, C[subscript 9]H[subscript 4]F[subscript 6]O[subscript 2], contains five independent molecules, which form hydrogen-bonded O—H[ellipsis]O dimers about inversion ...
A new pulsational radius for Delta Cephei

Turner, David Gerald, 1945- (American Astronomical Society, 1988-11)

The Baade-Wesselink method has been reapplied to existing photometric and radial-velocity measures for the classical Cepheid [delta] Cephei, but a different approach to the analysis was adopted in which spectrophotometric ...
New results from the Magellan IMACS spectroscopic Ly[alpha] survey: NICMOS observations of Ly[alpha] emitters at z = 5.7

Sawicki, Marcin, 1969-; Henry, Alaina L.; Martin, Crystal L.; Dressler, Alan; McCarthy, Patrick (American Astronomical SocietyIOP Publishing, 2010-08-10)

We present NICMOS J[subscript 110] (rest-frame 1200–2100 [Angstrom]) observations of the three z = 5.7 Ly[alpha] emitters discovered in the blind multislit spectroscopic survey by Martin et al. These images confirm the ...
New slowly pulsating B stars in the field of the young open cluster NGC 2244 discovered by the MOST photometric satellite

Guenther, David B.; Gruber, D.; Saio, H.; Kuschnig, R.; Fossati, L.; Handler, G.; Zwintz, K.; Weiss, W. W.; Matthews, J. M.; Moffat, A. F. J. (Oxford University Press, 2012-02)

During two weeks of nearly continuous optical photometry of the young open cluster NGC 2244 obtained by the Microvariability and Oscillations of STars (MOST) satellite,we discovered two new slowly pulsating B (SPB) stars, ...
A new synthetic model for asymptotic giant branch stars

Izzard, Robert G.; Tout, Christopher A.; Karakas, A. I.; Pols, Onno R. (Royal Astronomical SocietyOxford University Press, 2004)

We present a synthetic model for thermally pulsing asymptotic giant branch (TPAGB) evolution constructed by fitting expressions to full evolutionary models in the metallicity range 0.0001 [less than or equal to] Z [less ...
New trichomycetes from western China

Strongman, Douglas Blair, 1956-; Wang, Juan; Xu, Shengquan (Mycological Society of America, 2010-01)

Data on trichomycete biodiversity in China is expanded with the description of three new fungal species, Legeriomyces grandis, Legeriosimilis elegans, Smittium shaanxiense, and a protist, Paramoebidium bacillare. The ...
The Next Generation Virgo Cluster Survey (NGVS). I. Introduction to the survey

Ferrarese, Laura; Cote, Patrick; Cuillandre, Jean-Charles; Gwyn, S. D. J.; Peng, Eric W.; MacArthur, Lauren A.; Duc, Pierre-Alain; Boselli, A.; Mei, Simona; Erben, Thomas; Sawicki, Marcin, 1969- (American Astronomical SocietyIOP Publishing, 2012-05)

The Next Generation Virgo Cluster Survey (NGVS) is a program that uses the 1 deg[superscript 2] MegaCam instrument on the Canada–France–Hawaii Telescope to carry out a comprehensive optical imaging survey of the Virgo ...
The Next Generation Virgo Cluster Survey. XV. The photometric estimation for background sources

Raichoor, A.; Mei, S.; Erben, T.; Hildebrandt, H.; Huertas-Company, M.; Ilbert, O.; Licitra, R.; Ball, N. M.; Boissier, S.; Boselli, A.; Sawicki, Marcin, 1969- (American Astronomical SocietyIOP Publishing, 2014-12-20)

The Next Generation Virgo Cluster Survey (NGVS) is an optical imaging survey covering 104 deg[superscript 2] centered on the Virgo cluster. Currently, the complete survey area has been observed in the u[superscript ∗] giz ...
nIFTy galaxy cluster simulations – I. Dark matter and non-radiative models

Sembolini, Federico; Yepes, Gustavo; Pearce, Frazer R.; Knebe, Alexander; Kay, Scott T.; Power, Chris; Cui, Weiguang; Beck, Alexander M.; Borgani, Stefano; Vecchia, Claudio Dalla; Thacker, Robert John, 1970- (Oxford University Press, 2016-04-21)

We have simulated the formation of a galaxy cluster in a [lambda] cold dark matter universe using 13 different codes modelling only gravity and non-radiative hydrodynamics (RAMSES, ART, AREPO, HYDRA and nine incarnations ...
nIFTy galaxy cluster simulations – IV. Quantifying the influence of baryons on halo properties

Cui, Weiguang; Power, Chris; Knebe, Alexander; Kay, Scott T.; Sembolini, Federico; Elahi, Pascal J.; Yepes, Gustavo; Pearce, Frazer; Cunnama, Daniel; Beck, Alexander M.; Thacker, Robert John, 1970- (Oxford University Press, 2016-06-01)

Building on the initial results of the nIFTy simulated galaxy cluster comparison, we compare and contrast the impact of baryonic physics with a single massive galaxy cluster, run with 11 state-of-the-art codes, spanning ...
Nitrogen ligands on a phosphinic Lewis acceptor including a 2,2'-dipyridyl chelate complex

Burford, Neil; Cameron, T. Stanley; Robertson, Katherine N.; Phillips, Andrew D.; Jenkins, Hilary A. (Royal Society of Chemistry, 2000)

In the context of the developing coordination chemistry of lone pair bearing phosphinic centers as acceptors, synthesis and characterisation for new complexes of the phosphadiazonium cation with nitrogen donors are ...
NLTE AND LTE Lick indices for red giants from [Fe/H] 0.0 TO −6.0 AT SDSS AND IDS spectral resolution

Short, C. Ian (Christopher Ian), 1965-; Young, Mitchell E.; Layden, Nicholas (American Astronomical Society, 2015-09-01)

We investigate the dependence of the complete system of 22 Lick indices on overall metallicity scaled from solar abundances, [M/H], from the solar value, 0.0, down to the extremely metal-poor (XMP) value of −6.0, for ...
Non-detection of previously reported transits of HD 97658b with MOST photometry

Dragomir, Diana; Matthews, Jaymie M.; Howard, Andrew W.; Antoci, Victoria; Henry, Gregory W.; Guenther, David B.; Johnson, John A.; Kuschnig, Rainer; Marcy, Geoffrey W.; Moffat, Anthony F. J. (American Astronomical Society, 2012-11-10)

The radial velocity-discovered exoplanet HD 97658b was recently announced to transit, with a derived planetary radius of 2.93 ± 0.28 R⊕. As a transiting super-Earth orbiting a bright star, this planet would make an attractive ...
Non-local thermodynamic equilibrium 1.5D modeling of red giant stars

Young, Mitchell E.; Short, C. Ian (Christopher Ian), 1965- (IOP Publishing, 2014-05-20)

Spectra for two-dimensional (2D) stars in the 1.5D approximation are created from synthetic spectra of one-dimensional (1D) non-local thermodynamic equilibrium (NLTE) spherical model atmospheres produced by the PHOENIX ...