protostar SVS13-A Archives

Artistic scheme of the VLA 4A/4B binary system, not in scale. Methanol and water absorption features originate from gas located in front of the dust photosphere at 26 µm, which is likely driven by VLA 4B (see text). The photosphere size and location is not certain, but the absorption selectively probes only a layer of sublimated ice, rather than the full bulk envelope, in a location where methanol may desorb more efficiently than water. -- astro-ph.EP

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High-resolution mid-IR Spectroscopy of SVS 13-A with EXES/SOFIA: The Surprisingly High CH3OH/H2O Ratio In The Planet-forming Zone Of A Solar Mass Protostar

by Keith CowingMarch 24, 2026March 24, 2026

Water and methanol are key components of interstellar ices and gas in star- and planet-forming regions, but direct observations of water in low-mass protostars are challenging due to atmospheric absorption.

protostar SVS13-A

High-resolution mid-IR Spectroscopy of SVS 13-A with EXES/SOFIA: The Surprisingly High CH3OH/H2O Ratio In The Planet-forming Zone Of A Solar Mass Protostar

Astrobiologist Dale Andersen’s Antarctic Field Report: 20 Oct 2026: Wheels Down In Cape Town

Astrobiology Primer

The Evolution Of Oxygen, Temperature, And Marine Aerobic Habitat For Animals Over The Last Billion Years Of Earth History

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Water As We’ve Never Known It: Testing Water Beyond Earth-like Conditions