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pro vyhledávání: '"S. Sahijpal"'
Autor:
S. Sahijpal, Anuj Gupta
Publikováno v:
Monthly Notices of the Royal Astronomical Society: Letters. 496:L122-L126
Betelgeuse is one of the brightest red supergiant (RSG) stars because of its proximity to the Solar system. This makes it important when deducing the features and evolutionary phases of RSG stars. Betelgeuse has always been a well-observed target but
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e8489032fcc4dcc4b8eb99fecd474ec
https://doi.org/10.1093/mnrasl/slaa101
https://doi.org/10.1093/mnrasl/slaa101
Autor:
S. Sahijpal, Anuj Gupta
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 492:2058-2074
Wolf-Rayet (WR) stars are the evolutionary phases of very massive stars prior to the final supernova explosion stage. These stars lose substantial mass during WN and WC stages. The mass losses are associated with diverse elemental and isotopic signat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3404a61548cbf66641b60498f5cf5cf2
https://doi.org/10.1093/mnras/stz3468
https://doi.org/10.1093/mnras/stz3468
Autor:
Vishal Goyal, S. Sahijpal
The early thermal evolution of Moon has been numerically simulated to understand the magnitude of the impact induced heating and the initially stored thermal energy of the accreting Moonlets. The main objective of the present study is to understand t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43c08efba013b37f9dee385768942b55
Autor:
Anuj Gupta, S. Sahijpal
Interstellar dust is a significant component of matter in the galaxies. The dust owns its origin and reprocessing in a wide range of astrophysical environments. In order to understand the origin and evolution of the distinct types of interstellar dus
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5726780375f7e3e6fb9cc6fb67ec0f3
Autor:
S. Sahijpal
Publikováno v:
Icarus. 362:114439
An attempt has been made, probably for the first time, to understand the thermal evolution of non-spherical asteroids in the early solar system, with the short-lived nuclide, 26Al and 60Fe, as the internal radiogenic heat sources. Two numerical techn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e648c785524814a65194b6a543ffc02f
https://doi.org/10.1016/j.icarus.2021.114439
https://doi.org/10.1016/j.icarus.2021.114439
Autor:
S. Sahijpal, G. K. Bhatia
Publikováno v:
Meteoritics & Planetary Science. 52:2470-2490
Numerical simulations are performed to understand the early thermal evolution and planetary scale differentiation of icy bodies with the radii in the range of 100–2500 km. These icy bodies include trans-Neptunian objects, minor icy planets (e.g., C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0e856d8b0b7100d0ab93c2f90250727
https://doi.org/10.1111/maps.12952
https://doi.org/10.1111/maps.12952
Autor:
Tejpreet Kaur, S. Sahijpal
We present galactic chemical evolution (GCE) models of the short-lived radionuclides (SLRs), 26Al, 36Cl, 41Ca, 53Mn and 60Fe, across the entire Milky Way galaxy. The objective is to understand the spatial and temporal distribution of the SLRs in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0300d15547306702211f8987b4b251f4
http://arxiv.org/abs/1909.10374
http://arxiv.org/abs/1909.10374
Akademický článek
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Autor:
G. K. Bhatia, S. Sahijpal
Publikováno v:
Meteoritics & Planetary Science. 52:295-319
Numerical models dealing with the planetary scale differentiation of Mercury are presented with the short-lived nuclide, 26Al, as the major heat source along with the impact-induced heating during the accretion of planets. These two heat sources are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec11e20799b1295d8c9a781a9aa779c4
https://doi.org/10.1111/maps.12789
https://doi.org/10.1111/maps.12789
Autor:
S. Sahijpal, Tejpreet Kaur
The formation and chemical evolution of the Milky Way Galaxy is numerically simulated by developing a Monte Carlo approach to predict the elemental abundance gradients and other galactic features using the revised solar abundance. The galaxy is accre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62f5aaf4aba4472dad249f0822923cde