Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Viall, Nicholeen M."'
Autor:
Hassler, Donald M., Gibson, Sarah E, Newmark, Jeffrey S, Featherstone, Nicholas A., Upton, Lisa, Viall, Nicholeen M, Hoeksema, J Todd, Auchere, Frederic, Birch, Aaron, Braun, Doug, Charbonneau, Paul, Colannino, Robin, DeForest, Craig, Dikpati, Mausumi, Downs, Cooper, Duncan, Nicole, Elliott, Heather Alison, Fan, Yuhong, Fineschi, Silvano, Gizon, Laurent, Gosain, Sanjay, Harra, Louise, Hindman, Brad, Berghmans, David, Lepri, Susan T, Linker, Jon, Moldwin, Mark B., Munoz-Jaramillo, Andres, Nandy, Dibyendu, Rivera, Yeimy, Schou, Jesper, Sokol, Justyna, Thompson, Barbara, Velli, Marco, Woods, Thomas N., Zhao, Junwei
Solaris is a transformative Solar Polar Discovery-class mission concept to address crucial outstanding questions that can only be answered from a polar vantage. Solaris will image the Sun's poles from ~75 degree latitude, providing new insight into t
Externí odkaz:
http://arxiv.org/abs/2301.07647
Autor:
West, Matthew J., Seaton, Daniel B., Wexler, David B., Raymond, John C., Del Zanna, Giulio, Rivera, Yeimy J., Kobelski, Adam R., DeForest, Craig, Golub, Leon, Caspi, Amir, Gilly, Chris R., Kooi, Jason E., Alterman, Benjamin L., Alzate, Nathalia, Banerjee, Dipankar, Berghmans, David, Chen, Bin, Chitta, Lakshmi Pradeep, Downs, Cooper, Giordano, Silvio, Higginson, Aleida, Howard, Russel A., Mason, Emily, Mason, James P., Meyer, Karen A., Nykyri, Katariina, Rachmeler, Laurel, Reardon, Kevin P., Reeves, Katharine K., Savage, Sabrina, Thompson, Barbara J., Van Kooten, Samuel J., Viall, Nicholeen M., Vourlidas, Angelos
Publikováno v:
Solar Physics, Vol. 298, 78 (61pp); 2023 June 14
The middle corona, the region roughly spanning heliocentric altitudes from $1.5$ to $6\,R_\odot$, encompasses almost all of the influential physical transitions and processes that govern the behavior of coronal outflow into the heliosphere. Eruptions
Externí odkaz:
http://arxiv.org/abs/2208.04485
Autor:
Young, Peter R., Viall, Nicholeen M.
Observations from the 2012 transit of Venus are used to derive empirical formulae for long and short-range scattered light at locations on the solar disk observed by the Hinode Extreme ultraviolet Imaging Spectrometer (EIS) and the Solar Dynamics Obs
Externí odkaz:
http://arxiv.org/abs/2207.09538
Autor:
Young, Peter R., Viall, Nicholeen M., Kirk, Michael S., Mason, Emily I., Chitta, Lakshmi Pradeep
The Atmospheric Imaging Assembly (AIA) onboard the Solar Dynamics Observatory (SDO) returns high-resolution images of the solar atmosphere in seven extreme ultraviolet (EUV) wavelength channels. The images are processed on the ground to remove intens
Externí odkaz:
http://arxiv.org/abs/2108.02624
Publikováno v:
Published in 2020, The Astrophysical Journal, Volume 898, Number 1
For the past 30+ years, the magnetic expansion factor ($f_s$) has been used in empirical relationships to predict solar wind speed ($v_{obs}$) at 1 AU, based on an inverse relationship between these two quantities. Coronal unipolar streamers (i.e. ps
Externí odkaz:
http://arxiv.org/abs/2007.16168
Autor:
Rouillard, Alexis P., Kouloumvakos, Athanasios, Vourlidas, Angelos, Kasper, Justin, Bale, Stuart, Raouafi, Nour-Edine, Lavraud, Benoit, Howard, Russell A., Stenborg, Guillermo, Stevens, Michael, Poirier, Nicolas, Davies, Jackie A., Hess, Phillip, Higginson, Aleida K., Lavarra, Michael, Viall, Nicholeen M., Korreck, Kelly, Pinto, Rui F., Griton, Léa, Réville, Victor, Louarn, Philippe, Wu, Yihong, Dalmasse, Kévin, Génot, Vincent, Case, Anthony W., Whittlesey, Phyllis, Larson, Davin, Halekas, Jasper S., Livi, Roberto, Goetz, Keith, Harvey, Peter R., MacDowall, Robert J., Malaspina, David, Pulupa, Marc, Bonnell, John, de Witt, Thierry Dudok, Penou, Emmanuel
Publikováno v:
ApJS (2020) 246 37
The physical mechanisms that produce the slow solar wind are still highly debated. Parker Solar Probe's (PSP's) second solar encounter provided a new opportunity to relate in situ measurements of the nascent slow solar wind with white-light images of
Externí odkaz:
http://arxiv.org/abs/2001.01993
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Among the many ways of investigating coronal heating, the time lag method of Viall & Klimchuk (2012) is becoming increasingly prevalent as an analysis technique complementary to those traditionally used. The time lag method cross correlates light cur
Externí odkaz:
http://arxiv.org/abs/1607.02008