Results 211 to 220 of about 301,064 (245)

Directed Gas-Phase Formation of Azulene (C₁₀H₈): Unraveling the Bottom-Up Chemistry of Saddle-Shaped Aromatics. [PDF]

ACS Cent Sci
Yang Z, Fujioka K, Galimova GR, Medvedkov IA, Goettl SJ, Sun R, Mebel AM, Kaiser RI.   +7 more
europepmc   +1 more source

Physicochemical Controls on the Compositions of the Earth and Planets. [PDF]

Space Sci Rev
Sossi PA, Hin RC, Kleine T, Morbidelli A, Nimmo F.   +4 more
europepmc   +1 more source

Discovery of the Seven-ring Polycyclic Aromatic Hydrocarbon Cyanocoronene (C₂₄H₁₁CN) in GOTHAM Observations of TMC-1. [PDF]

Astrophys J Lett
Wenzel G, Gong S, Xue C, Changala PB, Holdren MS, Speak TH, Stewart DA, Fried ZTP, Willis RHJ, Bergin EA, Burkhardt AM, Byrne AN, Charnley SB, Lipnicky A, Loomis RA, Shingledecker CN, Cooke IR, McCarthy MC, Remijan AJ, Wendlandt AE, McGuire BA.   +20 more
europepmc   +1 more source

The Circumstellar Envelope of Rho Cassiopeiae.

The Astrophysical Journal, 1961
openaire   +1 more source

The circumstellar envelope of S Sct

Astronomy & Astrophysics, 1994
Groenewegen, M.A.T., de Jong, T.
openaire   +1 more source

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Formation of polycyclic aromatic hydrocarbons in circumstellar envelopes

Astrophysical Journal, 1989
M. Frenklach, E. Feigelson
semanticscholar   +3 more sources

The Circumstellar Envelope of S Persei

Astrophysics and Space Science, 1995
We present MERLIN observations of OH and H2O masers in the circumstellar envelope of S Per. The results are consistent with a model of a thick shell of H2O masers in a region which is still accelerating.
Richards, A M S, Cohen, R J, Yates, J A
openaire   +2 more sources

The structure of circumstellar envelopes

Astrophysics and Space Science, 1995
Copious mass loss on the Asymptotic Giant Branch dominates the late stages of stellar evolution. Maps of extended circumstellar envelopes provide a history of mass loss and trace out anisotropic mass loss. This review concentrates on observations of millimeter wavelength molecular line emission, on high resolution maps of maser emission and on ...
openaire   +1 more source

Observations in circumstellar envelopes

Journal of Physics G: Nuclear and Particle Physics, 1993
During the very late stages of the red giant phase (late 'asymptotic giant branch' or AGB), the mass-loss rate considerably increases and generates massive and thick circumstellar envelopes. AGB circumstellar envelopes are very luminous infrared sources and emit many millimeter molecular lines.
openaire   +1 more source

The Circumstellar Envelope of VX Sagittarii

1986
Radio maser emission from OH, H2O and SiO masers provides a means of studying the circumstellar envelopes of long period variable stars. The OH 1612 MHz maser emission arises in the cool outer layers of the envelopes at distances >101 6cm from the photosphere and is pumped by infrared photons (Elitzur 1982). The maser lines of the OH molecule at 1665/7
Jessica M. Chapman, R. J. Cohen
openaire   +1 more source