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Introduction to Icarus special issue "From Mars Express to ExoMars"
Lopez-Valverde, Miguel A.; Titov, Dmitrij V.; Wilson, Colin F.
In February 2018, the international community working on the investigation and exploration of the atmosphere and surface of Mars met at ESAC near Madrid for a few days conference, organized and funded by the project UPWARDS ("Understanding Planet Mars With Advanced Remote- ensing Datasets and Synergistic Studies", www.upwards-mars.eu) of the EU Ho…
Half-a-century of gamma-ray astrophysics at the Max-Planck Institute for Extraterrestrial Physics
Greiner, Jochen; Schönfelder, Volker
Gamma-ray astronomy has been one of the prime scientific research fields of the Max-Planck Institute for Extraterrestrial Physics (MPE) from its beginning. Over the years, the entire gamma-ray energy range accessible from space was explored. The purpose of this review article is to summarise the achievements of the gamma-ray group at MPE during th…
Analysis of signal to noise ratio in coronagraph observations of coronal mass ejections
West, Matthew J.; Nicula, Bogdan; Bothmer, Volker +7 more
We establish a baseline signal-to-noise ratio (SNR) requirement for the European Space Agency (ESA)-funded Solar Coronagraph for OPErations (SCOPE) instrument in its field of view of 2.5-30 solar radii based on existing observations by the Solar and Heliospheric Observatory (SOHO). Using automatic detection of coronal mass ejections (CMEs), we ana…
Study of dynamical status of the globular cluster NGC 1851 using ultraviolet imaging telescope
Yadav, R. K. S.; Sahu, Snehalata; Subramaniam, Annapurni +1 more
We present the study of dynamical status of the globular cluster NGC 1851. A combination of multi-wavelength space and ground-based data sets are used for the present analysis. In order to select the genuine cluster members, we used the astro-photometric data available from HST and GAIA-DR2 catalogs. The BSS radial distribution of the cluster is p…
How We Can Account for Type Ia Supernova Environment in Cosmological Analysis
Pruzhinskaya, M. V.; Pauna, N.; Novinskaya, A. K. +1 more
Among the other types of supernovae, Type Ia Supernovae (SNe Ia) have less luminosity dispersion at maximum light and show higher optical luminosities. These properties allow to use them as cosmological distance indicators that led to the discovery of the accelerating expansion of the Universe. However, even after the luminosity correction for str…
Investigando la zona de los cúmulos inmersos DBS 114-115-117
Baume, G.; Borissova, J.; Ramirez Alegria, S.
A preliminary study of the stellar population has been carried out in the area of the immersed clusters DBS 114, 115 and 117. The information provided by various astronomical databases and data available in the literature has been used. Photometric data in the optical (VPHAS +, GAIA), near infrared (2MASS-VVV) and mid infrared (WISE) has been incl…
Interrelationships between Halo-Type Coronal Mass Ejections and Solar Flares Based on Observations in the 23rd and 24th Cycles
Bruevich, E. A.; Burov, V. A.; Arakelov, A. S. +1 more
Solar activity of an explosive character during the 23rd and 24th cycles is analyzed. X-ray observations from the GOES-15 satellite during flares and observations during coronal mass ejections (CME) with the SOHO/LASCO coronagraph are used. The delay intervals between the onset of a flare and the onset of a Halo-type CME associated the same active…
Erratum: "Changes in a Dusty Ringlet in the Cassini Division after 2010" (2020, PSJ, 1, 43)
Bridges, Bill; Hedman, Matthew
Temporal and Spatial Association Between a Solar Flare, CME, and Radio Burst on 19 November 2013
Shanmugaraju, A.; Suresh, K.; Syed Ibrahim, M. +2 more
We present multi-wavelength and multi-instrument observations and analysis of a major X 1.0 class flare, radio burst, halo coronal mass ejection (CME), and loop eruption from the solar active region NOAA 11893 on 19 November 2013 (SOL2013-11-19T10:26). The aim of this work is twofold: The first aim to study the evolution of the loop eruption and t…
High Cadence Millimagnitude Photometric Observation of V1112 Persei (Nova Per 2020)
Thomas, N.; Ziegler, K.; Liu, P.
The private Lookout Observatory (LO) monitored the classical nova V1112 Persei on 37 nights spanning over 80 days, beginning shortly after its discovery by Seiji Ueda on 25 November 2020. Images were captured at a high cadence, with exposure lengths of initially less than 2 seconds and with some sessions lasting more than ten hours. The standard e…