Results 81 to 90 of about 65,282 (317)

Disparity of turbinal bones in placental mammals

The Anatomical Record, EarlyView.
Abstract Turbinals are key bony elements of the mammalian nasal cavity, involved in heat and moisture conservation as well as olfaction. While turbinals are well known in some groups, their diversity is poorly understood at the scale of placental mammals, which span 21 orders.
Quentin Martinez, Mark Wright, Benjamin Dubourguier, Kai Ito, Thomas van de Kamp, Elias Hamann, Marcus Zuber, Gabriel Ferreira, Rémi Blanc, Pierre‐Henri Fabre, Lionel Hautier, Eli Amson   +11 more
wiley   +1 more source

Study of Evolution and Geo-effectiveness of Coronal Mass Ejection–Coronal Mass Ejection Interactions Using Magnetohydrodynamic Simulations with SWASTi Framework

The Astrophysical Journal
The geo-effectiveness of coronal mass ejections (CMEs) is a critical area of study in space weather, particularly in the lesser-explored domain of CME–CME interactions and their geomagnetic consequences.
Prateek Mayank, Stefan Lotz, Bhargav Vaidya, Wageesh Mishra, D. Chakrabarty   +4 more
doaj   +1 more source

Coronal Mass Ejection Image Edge Detection In Heliospheric Imager STEREO SECCHI Data

The Open Journal of Astrophysics, 2022
We present an algorithm to detect the outer edges of Coronal Mass Ejection (CME) events as seen in differences of Heliospheric Imager STEREO SECCHI HI-1 images from either A or B spacecraft, as well as its implementation in Python.
Marc Nichitiu
doaj   +1 more source

STEREO and Wind observations of a fast ICME flank triggering a prolonged geomagnetic storm on 5-7 April 2010

, 2010
On 5 April 2010 an interplanetary (IP) shock was detected by the Wind spacecraft ahead of Earth, followed by a fast (average speed 650 km/s) IP coronal mass ejection (ICME).
A. B. Galvin, A. M. Veronig, Burlaga, C. J. Farrugia, C. Möstl, Dasso, Davies, Davis, Eyles, Farrugia, H. K. Biernat, Hu, Kahler, Kaiser, Kilpua, Lepping, Lepping, Lepping, Liu, Lugaz, Lynch, M. Leitner, M. Temmer, Marubashi, Möstl, Möstl, Ogilvie, Riley, Rouillard, T. Rollett, Thernisien, Y. Liu   +31 more
core   +1 more source

Narrow Coronal Mass Ejections

The Astrophysical Journal, 2001
Narrow coronal mass ejections (CMEs), defined arbitrarily as events whose apparent angular width is 15° or less, are a small subset of all CMEs. Little is known of the properties of these events and whether these properties differ from those of the larger, more typical CMEs. We have included in this study 15 narrow CMEs observed in the period from 1999
Holly R. Gilbert, Elizabeth C. Serex, Thomas E. Holzer, R. M. MacQueen, Patrick S. McIntosh   +4 more
openaire   +1 more source

IMPULSIVE ACCELERATION OF CORONAL MASS EJECTIONS. I. STATISTICS AND CORONAL MASS EJECTION SOURCE REGION CHARACTERISTICS [PDF]

The Astrophysical Journal, 2011
We use high time cadence images acquired by the STEREO EUVI and COR instruments to study the evolution of coronal mass ejections (CMEs) from their initiation through impulsive acceleration to the propagation phase. For a set of 95 CMEs we derived detailed height, velocity, and acceleration profiles and statistically analyzed characteristic CME ...
Bein, Bianka, Berkebile-Stoiser, Sigrid, Veronig, Astrid, Temmer, Manuela, Muhr, Nicole, Kienreich, Ines, Utz, Dominik, Vršnak, Bojan   +7 more
openaire   +1 more source

Discovery and Initial Investigation of a New Low Surface Brightness Planetary Nebula Candidate at High Galactic Latitude

Astronomische Nachrichten, EarlyView.
ABSTRACT Planetary nebulae represent a late evolutionary phase of low‐ to intermediate‐mass stars. In this article, we present the serendipitous discovery of a previously unknown, faint potential Galactic planetary nebula (PN) in the constellation Camelopardalis, identified during a survey‐inspection, aiming at the detection of dwarf companions of the ...
W. E. Celnik, P. Köchling, S. Kotov, J. Kozok, Y. Galata, L. Magrini, A. Moiseev, M. Nischang, C. Reese, P. Remmel, P. Riepe, T. Zilch, K. Werner   +12 more
wiley   +1 more source

An Improved Halo Coronal Mass Ejection Geoeffectiveness Prediction Model Using Multiple Coronal Mass Ejection Features Based on the DC-PCA-KNN Method

The Astrophysical Journal
Coronal mass ejections (CME) are regarded as the main drivers of geomagnetic storms (GSs). In the prediction of geoeffectiveness, various CME features have been introduced without adequately considering the geoeffectiveness of CMEs and strong ...
Dalin Ye, Huimin Li, Lixin Guo, Xiaoli Jiang   +3 more
doaj   +1 more source

Relating near-Earth observations of an interplanetary coronal mass ejection to the conditions at its site of origin in the solar corona [PDF]

, 2005
A halo coronal mass ejection (CME) was detected on January 20, 2004. We use solar remote sensing data (SOHO, Culgoora) and near-Earth in situ data (Cluster) to identify the CME source event and show that it was a long duration flare in which a magnetic ...
Balogh, A, Culhane, JL, Fazakerley, AN, Harra, LK, Lucek, E, Matthews, SA, Mazelle, C, Owen, CJ, Reme, H, van Driel-Gesztelyi, L   +9 more
core  

FORECASTING A CORONAL MASS EJECTION'S ALTERED TRAJECTORY: ForeCAT [PDF]

, 2013
To predict whether a coronal mass ejection (CME) will impact Earth, the effects of the background on the CME's trajectory must be taken into account. We develop a model, ForeCAT (Forecasting a CME's Altered Trajectory), of CME deflection due to magnetic ...
C. Kay, M. Opher, R. Evans
semanticscholar   +1 more source