Results 161 to 170 of about 301,064 (245)

Infrared Spectral Energy Distribution Modeling of Velocity Excess in Maser Sources: Identifying Incipient Water Fountain Candidates

The Astrophysical Journal
We investigated whether “velocity excess” in circumstellar maser lines can diagnose the earliest evolutionary phases of water fountains (WFs). Here, we define “velocity excess” as maser emission (e.g., H _2 O 22.235 GHz or OH 1665/1667 MHz) detected at ...
Jia-Yong Xie, Jun-ichi Nakashima, Yong Zhang   +2 more
doaj   +1 more source

Gas-phase preparation of azulene (C₁₀H₈) and naphthalene (C₁₀H₈) via the reaction of the resonantly stabilized fulvenallenyl and propargyl radicals. [PDF]

Chem Sci, 2023
Li W, Yang J, Zhao L, Couch D, Marchi MS, Hansen N, Morozov AN, Mebel AM, Kaiser RI.   +8 more
europepmc   +1 more source

The Rotation Dip in the Envelope–Disk Transition of HH 111: Evidence for Magnetic Braking

The Astrophysical Journal Letters
Magnetic braking can drive angular momentum loss in star formation and influence disk evolution. A previous study of HH 111 VLA 1 suggested a decrease in rotation velocity in a region between the infalling envelope and rotating disk.
Jyun-Heng Lin, Chin-Fei Lee, Zhi-Yun Li, Yueh-Ning Lee, Ya-Lin Wu, J. A. López-Vázquez   +5 more
doaj   +1 more source

ALMASOP: Inner-envelope Structures of Protostars Driving Nascent Jets

The Astrophysical Journal
Protostellar jets provide valuable insight into the evolutionary stage and formation history of star-forming cores in their earliest phases. We investigated the inner envelope structures of three extremely young protostars, selected for having the ...
Somnath Dutta, Chin-Fei Lee, Naomi Hirano, Doug Johnstone, Kee-Tae Kim, Yi-Jehng Kuan, James Di Francesco, Ken’ichi Tatematsu, Mika Juvela, Chang Won Lee, Alessio Traficante, Huei-Ru Vivien Chen, Manash Ranjan Samal, David Eden, Dipen Sahu, Shih-Ying Hsu, Tie Liu, Sheng-Yuan Liu   +17 more
doaj   +1 more source

Gas phase synthesis of the C40 nano bowl C₄₀H₁₀. [PDF]

Nat Commun, 2023
Tuli LB, Goettl SJ, Turner AM, Howlader AH, Hemberger P, Wnuk SF, Guo T, Mebel AM, Kaiser RI.   +8 more
europepmc   +1 more source

Silicon and Hydrogen Chemistry under Laboratory Conditions Mimicking the Atmosphere of Evolved Stars. [PDF]

Astrophys J, 2021
Accolla M, Santoro G, Merino P, Martínez L, Tajuelo-Castilla G, Vázquez L, Sobrado JM, Agúndez M, Jiménez-Redondo M, Herrero VJ, Tanarro I, Cernicharo J, Martín-Gago JÁ.   +12 more
europepmc   +1 more source

OH(²Π) + C₂H₄ Reaction: A Combined Crossed Molecular Beam and Theoretical Study. [PDF]

J Phys Chem A, 2023
Liang P, de Aragão EVF, Giani L, Mancini L, Pannacci G, Marchione D, Vanuzzo G, Faginas-Lago N, Rosi M, Skouteris D, Casavecchia P, Balucani N.   +11 more
europepmc   +1 more source

Nonadiabatic reaction dynamics to silicon monosulfide (SiS): A key molecular building block to sulfur-rich interstellar grains. [PDF]

Sci Adv, 2021
Doddipatla S, He C, Goettl SJ, Kaiser RI, Galvão BRL, Millar TJ.   +5 more
europepmc   +1 more source

Sources of Nitrogen-, Sulfur-, and Phosphorus-Containing Feedstocks for Prebiotic Chemistry in the Planetary Environment. [PDF]

Life (Basel), 2022
Todd ZR.
europepmc   +1 more source

Rigel's circumstellar envelope structure

The Astrophysical Journal, 1986
openaire   +1 more source