Results 31 to 40 of about 30,122 (121)

HISTORY OF STEREOLOGY

Image Analysis and Stereology, 2017
Nowadays it is difficult to list all disciplines where stereology is applied, starting from biology and medicine, through materials science, geology and agriculture, up to military systems, biometry, meteorology, geography, physics, astronomy ...
Aneta Gądek-Moszczak
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Spatially Resolved Galactic Winds at Cosmic Noon: Outflow Kinematics and Mass Loading in a Lensed Star-forming Galaxy at z = 1.87

The Astrophysical Journal
We study the spatially resolved outflow properties of CSWA13, an intermediate-mass ( M _*  = 10 ^9 M _⊙ ), gravitationally lensed star-forming galaxy at z = 1.87.
Keerthi Vasan G. C., Tucker Jones, Anowar J. Shajib, Sunny Rhoades, Yuguang Chen, Ryan L. Sanders, Daniel P. Stark, Richard S. Ellis, Nicha Leethochawalit, Glenn G. Kacprzak, Tania M. Barone, Karl Glazebrook, Kim-Vy H. Tran, Hannah Skobe, Kris Mortensen, Ivana Barisic   +15 more
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“She would charm people with her mind’s enchantment only”. On the intellectual environment of Marianna Skórzewska, née Ciecierska, on the basis of the inventory of her book collection

Biblioteka, 2017
Marianna Skórzewska, née Ciecierska (1741–1773), a wealthy noblewoman, wife of General Franciszek Skórzewski, shared her time between Greater Poland (palace at Margonińska Wieś) and Berlin.
Kamila Kłudkiewicz
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Turbulent Gas-rich Disks at High Redshift: Origin of Thick Stellar Disks Through 3D “Baryon Sloshing”

The Astrophysical Journal
In response to recent observations from JWST and Atacama Large Millimeter Array, we explore a new class of dynamically self-consistent models that mimics a plausible progenitor of the Milky Way over a wide range of disk gas fractions, f _gas .
Joss Bland-Hawthorn, Thor Tepper-Garcia, Oscar Agertz, Christoph Federrath, Misha Haywood, Paola di Matteo, Timothy R. Bedding, Takafumi Tsukui, Emily Wisnioski, Melissa Ness, Ken Freeman   +10 more
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Aliasing from Galactic Plane Setting in Widefield Radio Interferometry

The Astrophysical Journal
Measurements with widefield radio interferometers often include the near-infinite gradient between the sky and the horizon. This causes aliasing inherent to the measurement itself and is purely a consequence of the Fourier basis.
N. Barry, J. L. B. Line, C. R. Lynch, M. Kriele, J. Cook   +4 more
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Improved Limits on the 21 cm Signal at z = 6.5–7.0 with the Murchison Widefield Array Using Gaussian Information

The Astrophysical Journal
We explore the properties of interferometric data from high-redshift 21 cm measurements using the Murchison Widefield Array (MWA). These data contain the redshifted 21 cm signal, contamination from continuum foreground sources, and radiometric noise. The
Cathryn M. Trott, C. D. Nunhokee, D. Null, N. Barry, Y. Qin, R. B. Wayth, J. L. B. Line, C. H. Jordan, B. Pindor, J. H. Cook, J. Bowman, A. Chokshi, J. Ducharme, K. Elder, Q. Guo, B. J. Hazelton, W. Hidayat, T. Ito, D. Jacobs, E. Jong, M. Kolopanis, T. Kunicki, E. Lilleskov, M. F. Morales, J. Pober, A. Selvaraj, R. Shi, K. Takahashi, S. J. Tingay, R. L. Webster, S. Yoshiura, Q. Zheng   +31 more
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The Galactic Disk North–South Asymmetry in Metallicity May Be a New Tracer for the Disk Warp

The Astrophysical Journal Letters
Galactic disk warp has been widely characterized by stellar distributions and stellar kinematics but has not been traced by stellar chemistry. Here, we use a sample with over 170,000 red clump (RC) stars selected from LAMOST and APOGEE first to establish
Weixiang Sun, Han Shen, Biwei Jiang, Xiaowei Liu   +3 more
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Limits on the 21 cm Power Spectrum at z = 6.5–7.0 from Murchison Widefield Array Observations

The Astrophysical Journal
This paper presents the spherically averaged 21 cm power spectrum derived from Epoch of Reionization (EoR) observations conducted with the Murchison Widefield Array (MWA). The analysis uses EoR0-field data, centered at (R.A. = 0 h , decl.
C. D. Nunhokee, D. Null, C. M Trott, N. Barry, Y. Qin, R. B. Wayth, J. L. B. Line, C. H. Jordan, B. Pindor, J. H. Cook, J. Bowman, A. Chokshi, J. Ducharme, K. Elder, Q. Guo, B. Hazelton, W. Hidayat, T. Ito, D. Jacobs, E. Jong, M. Kolopanis, T. Kunicki, E. Lilleskov, M. F. Morales, J. C. Pober, A. Selvaraj, R. Shi, K. Takahashi, S. J. Tingay, R. L. Webster, S. Yoshiura, Q. Zheng   +31 more
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The Kinematic Signature of the Warp and Waves in the Milky Way Disk

The Astrophysical Journal
Using over 170,000 red clump (RC) stars selected from LAMOST and APOGEE, we conduct a detailed analysis of the stellar V _Z as a function of L _Z (or R _g ) across different ϕ bins for various disk populations.
Weixiang Sun, Han Shen, Biwei Jiang, Xiaowei Liu   +3 more
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The Age–Velocity Dispersion Relations of the Galactic Disk as Revealed by the LAMOST-Gaia Red Clump Stars

The Astrophysical Journal
Using nearly 230,000 red clump stars selected from LAMOST and Gaia, we conduct a comprehensive analysis of the stellar age–velocity dispersion relations (AVRs) for various disk populations, within 5.0 ≤ R ≤ 15.0 kpc and ∣ Z ∣ ≤ 3.0 kpc.
Weixiang Sun, Han Shen, Biwei Jiang, Xiaowei Liu   +3 more
doaj   +1 more source