ISM

Influence of hydrothermal asteroidal conditions on the molecular structure and isotopic compositions of polycyclic aromatic hydrocarbons

28/04/2023 20:19 · by karmaka · in asteroid, carbonaceous chondrite, organic matter, surface

Marceau Lecasble, Sylvain Bernard, Jean-Christophe Viennet, Isis Criouet, Laurent Remusat IcarusAvailable online 28 April 2023, 115603 LINK “A variety of polycyclic aromatic hydrocarbons (PAHs) are reported in carbonaceous chondrites (CCs) and in the interstellar medium…

On the provenance of GEMS, a quarter century post discovery

05/07/2022 15:02 · by karmaka · in solar system

John P. Bradley, Hope A. Ishii, Karen Bustillo, James Ciston, Ryan Ogliore, Thomas Stephan, Donald E. Brownlee, David J. Joswiak Geochimica et Cosmochimica ActaAvailable online 5 July 2022In Press, Journal Pre-proof LINK “The provenance of…

Identifying the wide diversity of extraterrestrial purine and pyrimidine nucleobases in carbonaceous meteoritesOPEN ACCESS

26/04/2022 18:11 · by karmaka · in amino acids, carbonaceous chondrite, CM, organic matter, Tagish Lake, ungrouped, witnessed fall

Yasuhiro Oba, Yoshinori Takano, Yoshihiro Furukawa, Toshiki Koga, Daniel P. Glavin, Jason P. Dworkin & Hiroshi Naraoka Nature Communications, Volume 13, Article number: 2008Published: 26 April 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Information “The…

Condensation of cometary silicate dust using an induction thermal plasma system I. Enstatite and CI chondritic compositionOPEN ACCESS

23/11/2021 20:39 · by karmaka · in carbonaceous chondrite, interplanetary dust, matrix, micrometeorites

T. H. Kim, A. Takigawa, A. Tsuchiyama, J. Matsuno, S. Enju, H. Kawano, H. Komaki PDF (OPEN ACCESS) “Glass with embedded metal and sulfides (GEMS) is a major component of chondritic porous interplanetary dust particles….

Dependence of the initial internal structure of chondrule rim on dust size distributionOPEN ACCESS

19/10/2021 10:10 · by karmaka · in chondrule

Hiroaki Kaneko, Sota Arakawa, Taishi Nakamoto Accepted for publication in Icarus PDF (OPEN ACCESS) “Coarse objects in chondrites such as chondrules and CAIs are mostly coated with fine-grained rims (FGRs). FGRs can be formed on…

Discovery in space of ethanolamine, the simplest phospholipid head groupOPEN ACCESS

25/05/2021 09:39 · by karmaka · in Almahata Sitta, amino acids, meteorite, organic matter, parent body

Víctor M. Rivilla, Izaskun Jiménez-Serra, Jesús Martín-Pintado, Carlos Briones, Lucas F. Rodríguez-Almeida, Fernando Rico-Villas, Belén Tercero, Shaoshan Zeng, Laura Colzi, Pablo de Vicente, Sergio Martín, Miguel A. Requena-Torres Accepted in PNAS PDF (OPEN ACCESS) Update…

Structural and spectral properties of astronomical complex organic molecules: 1:1:1 glycine-X-Y and Y-glycine-X

21/11/2020 10:04 · by karmaka · in amino acids, analysis techniques, organic matter

Anita Kabi, Pradipta K.Behera, Prabhat K. Sahu Molecular AstrophysicsAvailable online 21 November 2020 LINK “Current research to understand astrochemistry and astrobiology with regard to the weakly bound astronomical complexes including amino acids in the Inter-Stellar…

Origin of molecular oxygen in Comet 67P/Churyumov-Gerasimenko

02/05/2016 07:20 · by karmaka · in comet, Rosetta, space missions

O. Mousis, T. Ronnet, B. Brugger, O. Ozgurel, F. Pauzat, Y. Ellinger, R. Maggiolo, P. Wurz, P. Vernazza, J. I. Lunine, A. Luspay-Kuti, K. E. Mandt, K. Altwegg, A. Bieler, A. Markovits, M. Rubin The…

Low Temperature Formation of Nitrogen-substituted Polycyclic Aromatic Hydrocarbons (PANHs)- Barrierless Routes to Dihydro(iso)quinolines

16/12/2015 21:59 · by karmaka · in meteorite, organic matter

Dorian S. N. Parker, Tao Yang, Beni B. Dangi, Ralf. I. Kaiser, Partha P. Bera, and Timothy J. Lee The Astrophysical Journal, Volume 815, Number 2 Published 2015 December 16 LINK “Meteorites contain bio-relevant molecules…