2024MNRAS.529.4818L

Query : 2024MNRAS.529.4818L

2024MNRAS.529.4818L - Mon. Not. R. Astron. Soc., 529, 4818-4823 (2024/April-3)

Photoabsorption spectra of solid O2 in ultraviolet and far-vacuum ultraviolet region at 9-30 K.

LO J.-I., LU H.-C., HUNG W.-H., SIVARAMAN B., MASON N.J. and CHENG B.-M.

Abstract (from CDS):

We report ultraviolet and far-vacuum ultraviolet (FUV) absorption spectra of solid molecular oxygen recorded over the wavelength region 110-365 nm for temperatures between 9 and 30 K, in which the light source was dispersed from a synchrotron. The UV/FUV spectra of solids O2 deposited at various temperatures appeared distinctly different profiles due to variation of compositions of α-O2, β-O2, and the imperfect crystal structure at the specific temperature; in addition, the icy sample exhibited its own scattering curve deposited at specific temperature. Resolved from the thermal ramping technique, the absorption spectra of solids α-O2 and β-O2 were established in the wavelength region 110-250 nm at 9 and 30 K, respectively, for the first time.

Abstract Copyright: © 2024 The Author(s). Published by Oxford University Press on behalf of Royal Astronomical Society.

Journal keyword(s): molecular data - ISM: molecules - methods: laboratory: molecular - methods: laboratory: solid state - ultraviolet: ISM

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 M 42 HII 05 35 16.8 -05 23 15           ~ 4411 0
2 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3969 1
3 NAME IRAS 16293-2422B Y*O 16 32 22.63 -24 28 31.8           ~ 352 0

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