biogenic Archives

Emission of SO, SiS, and SO2 integrated in velocity. Upper panels: velocity-integrated emission of, from left to right, SO N = 3 − 2, N = 2 − 1(2), N = 2 − 1(3), and N = 4 − 4 (see Table 1 for the spectral parameters). The integration velocity range is 85.7–105.8 km s−1 in all images to match the velocity interval where the PN emission is detected. The black contours start from the 3σ rms level of the integrated maps, which is, from left to right: 4.8 × 10−2 Jy beam−1 km s−1 ; 2.5 × 10−2 Jy beam−1 km s−1 ; 3.6 × 10−2 Jy beam−1 km s−1 ; 2.7 × 10−2 Jy beam−1 km s−1 , and the step is of 10σ rms. The white contour corresponds to the PN integrated emission, and the numbered regions "1" and "2" are those defined in Fig. 1. The synthesised beam is illustrated in the lower-left corner. To the right of the quantum numbers, we indicate the Eup of the transition. Lower panels: same as the upper panels for the SiS J = 5 − 4 and J = 6 − 5 lines, and the SO2 JKa,Kb = 31,3 − 20,2 and JKa,Kb = 101,9 − 100,10 lines. The 3σ rms level is: 2.9 × 10−2 Jy beam−1 km s−1 for SiS J = 5 − 4; 2.3 × 10−2 Jy beam−1 km s−1 for SiS J = 6 − 5; 2.95 × 10−3 Jy beam−1 km s−1 for SO2 JKa,Kb = 31,3 − 30,2; 1 × 10−2 Jy beam−1 km s−1 for SO2 JKa,Kb = 101,9 − 100,10. -- astro-ph.GA

Astrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Imaging & Spectroscopy, Status Report

The GUAPOS Project: G31.41+0.31 Unbiased ALMA Spectral Observational Survey. IV. Phosphorus-bearing Molecules And Their Relation With Shock Tracers

by Keith CowingNovember 24, 2023November 24, 2023

The astrochemistry of the important biogenic element phosphorus (P) is still poorly understood, but observational evidence indicates that P-bearing molecules are likely associated with shocks.

Narrow Gauge spring, Mammoth Hot Springs, Yellowstone National Park. Vent area is between the two trees on top of the travertine deposits. Terraced pools form due to deposition of travertine from the fluids as they cool and degas carbon dioxide. - USGS

Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Imaging & Spectroscopy, Status Report

Searching For Life In Hot Spring Carbonate Systems: Investigating Raman Spectra Of Carotenoid-Bearing Organic Carbonaceous Inclusions From Travertines Of Italy

by Keith CowingNovember 23, 2023November 22, 2023

Carotenoid pigments provide some of the most common exclusively biogenic markers on Earth, and these organic pigments may be present in extraterrestrial life. Raman spectroscopy can be used to identify […]

biogenic

The GUAPOS Project: G31.41+0.31 Unbiased ALMA Spectral Observational Survey. IV. Phosphorus-bearing Molecules And Their Relation With Shock Tracers

Searching For Life In Hot Spring Carbonate Systems: Investigating Raman Spectra Of Carotenoid-Bearing Organic Carbonaceous Inclusions From Travertines Of Italy

Complex Water Systems Revealed On Early Mars

An Accidental Impact Crater Discovery

The Nancy Grace Roman Space Telescope Coronagraph Community Participation Program

Unveiling Microbial Communities And Biogeochemical Cycles In Antarctic Colored Snow

NASA Spaceline Current Awareness List #1,217 21 September 2026 (Space Life Science Research Results)