Zobrazeno 1 - 10
of 760
pro vyhledávání: '"Zanna, G"'
We present new calculations of atomic data needed to model autoionizing states of Fe XVI. We compare the state energies, radiative and excitation data with a sample of results from previous literature. We find a large scatter of results, the most sig
Externí odkaz:
http://arxiv.org/abs/2405.01274
Autor:
Dufresne, R. P., Del Zanna, G., Young, P. R., Dere, K. P., Deliporanidou, E., Barnes, W. T., Landi, E.
Version 11 of the CHIANTI database and software package is presented. Advanced ionization equilibrium models have been added for low charge states of seven elements (C, N, O, Ne, Mg, Si and S), and represent a significant improvement especially when
Externí odkaz:
http://arxiv.org/abs/2403.16922
We present an update to the in-flight radiometric calibration of the Hinode EUV Imaging Spectrometer (EIS), revising and extending our previous studies. We analyze full-spectral EIS observations of quiet Sun and active regions from 2007 until 2022. U
Externí odkaz:
http://arxiv.org/abs/2308.06609
We use the Breit Pauli $R$-matrix method to calculate accurate energies and radiative data for states in C I up to $n$=30 and with $l\le 3$. We provide the full dataset of decays to the five 2s$^2$2p$^2$ ground configuration states $^3$P$_{0,1,2}$, $
Externí odkaz:
http://arxiv.org/abs/2308.05243
Autor:
Varesano, T., Hassler, D. M., Prado, N. Zambrana, Plowman, J., Del Zanna, G., Parenti, S., Mason, H. E., Giunta, A., Auchere, F., Carlsson, M., Fludra, A., Peter, H., Muller, D., Williams, D., Cuadrado, R. Aznar, Barczynski, K., Buchlin, E., Caldwell, M., Fredvik, T., Grundy, T., Guest, S., Harra, L., Janvier, M., Kucera, T., Leeks, S., Schmutz, W., Schuehle, U., Sidher, S., Teriaca, L., Thompson, W., Yardley, S. L.
Publikováno v:
A&A 685, A146 (2024)
We present an analysis of the first connection mosaic made by the SPICE instrument on board of the ESA / NASA Solar Orbiter mission on March 2nd, 2022. The data will be used to map coronal composition that will be compared with in-situ measurements t
Externí odkaz:
http://arxiv.org/abs/2308.01409
Autor:
Del Zanna, G., Samra, J., Monaghan, A., Madsen, C., Bryans, P., DeLuca, E., Mason, H., Berkey, B., de Wijn, A., Rivera, Y.
The Airborne Infrared Spectrometer (AIR-Spec) offers an unprecedented opportunity to explore the Near Infra-Red (NIR) wavelength range. It has been flown at two total solar eclipses, in 2017 and 2019. The wavelength range of the much improved instrum
Externí odkaz:
http://arxiv.org/abs/2212.11889
Plasma models built on extensive atomic data are essential to interpreting the observed cosmic spectra. H-like Lyman series and He-like triplets observable in the X-ray band are powerful diagnostic lines to measure the physical properties of various
Externí odkaz:
http://arxiv.org/abs/2210.13427
We present joint Hinode/EIS and IRIS observations of Fe XII lines in active regions, both on-disk and off-limb. We use an improved calibration for the EIS data, and find that the 192.4 A / 1349 A observed ratio is consistent with the values predicted
Externí odkaz:
http://arxiv.org/abs/2207.07026
Autor:
Del Zanna, G., Mondal, B., Rao, Y. K., Mithun, N. P. S., Vadawale, S. V., Reeves, K. K., Mason, H. E., Sarkar, A., Janardhan, P., Bhardwaj, A.
We have reviewed the first year of observations of the Solar X-ray Monitor (XSM) onboard Chandrayaan-2, and the available multi-wavelength observations to complement the XSM data, focusing on Solar Dynamics Observatory AIA and Hinode XRT, EIS observa
Externí odkaz:
http://arxiv.org/abs/2207.06879
Autor:
Del Zanna, G., Storey, P. J.
We present the results of several collisional-radiative models describing optically-thin emissivities of the main lines in neutral helium formed by recombination, for a grid of electron temperatures and densities, typical of H II regions and Planetar
Externí odkaz:
http://arxiv.org/abs/2204.01537