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alwyn.bsky.social
Father, gardener, astronomer
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1642 valid proposals were submitted by the community to the ALMA Cycle 12 Call for Proposals, which has now closed. Each proposal will now go through an anonymous selection process to determine which projects will be observed in Cycle 12.

submitted 53 days ago • 3 comments

Amazing stuff! ALMA is now working on quadrupling its bandwidth, allowing may more spectral lines to be imaged simultaneously and more sensitively! Wideband Sensitivity Upgrade, public.nrao.edu/news/exoalma/

submitted 57 days ago • 0 comments

science.nasa.gov/missions/web... Features Samuel Crowe, a principal investigator on the research, a senior undergraduate at the University of Virginia and a 2025 Rhodes Scholar.

submitted 82 days ago • 1 comment

ESA’s 2025 Space Environment Report is here! Find out how Earth’s orbital environment changed in 2024, and why we must now actively remove space debris to ensure a sustainable future in orbit for humankind: www.esa.int/Space_Safety... Here are the key takeaways 👇🧵

submitted 85 days ago • 2 comments

Sunil Golwala (California Institute of Technology) Dr. Golwala will discuss 'An Update on the Leighton Chajnantor Telescope' (LCT) on 7 April. The LCT will redeploy the 10m CSO highest accuracy submm telescope that currently exists to Cerro Toco in Chile, with first light planned for 2027.

submitted 95 days ago • 0 comments

Alwyn Wootten <[email protected]> ALMA Unveils New Details of the Flares of Proxima Centauri | ALMA Observatory

submitted 99 days ago • 0 comments

Water in the inner disk of HL Tau

submitted 101 days ago • 0 comments

@lawny.bsky.social www.almaobservatory.org/en/press-rel...

submitted 124 days ago • 0 comments

Boeing’s much-anticipated first spaceflight of its Starliner spacecraft with humans on board, which was scheduled for Monday night, will be delayed at least until Friday as officials study why a valve on the rocket malfunctioned, NASA said Tuesday.

submitted 414 days ago • 8 comments

submitted 413 days ago • 0 comments

Found old movies of Chesapeake Bay Bridge construction in my grandmother's films. Opened end of July 1952; perhaps these are from 1951 summer? My interpretation: Girders and cranes on the advancing bridgeway with support ships below.

submitted 413 days ago • 0 comments

Most of the molecular gas in the NGC3132 planetary nebula actually lies in an enormous, expanding ring, and further, the nebula has a second, nearly perpendicular, expanding ring! A double dying star, companions to the central A star seen brightly here. Watch the movie www.rit.edu/news/scienti...

submitted 440 days ago • 0 comments

Nice article about music and hospice featuring my neighbor of 30 years, Bob Whaley. hopva.org/hospice-pati...

submitted 447 days ago • 0 comments

Using the Bonn 100m radio telescope, Yan and colleagues arXiv:2403.18001 conducted a sensitive search for ammonia masers, finding 14 new ones, doubling the number of known non-metastable ammonia masers in our galaxy.

submitted 447 days ago • 1 comment

Molecular lines are powerful diagnostics of the physical and chemical properties of the interstellar medium (ISM). These properties influence future star formation and may differ in starburst galaxies compared to more quiescent galaxies.

submitted 448 days ago • 0 comments

ALMA and JWST detail destruction of a protoplanetary disk in Orion, driven by nearby hot stars. ALMA explores the nascent disk and putative planets; JWST the mass loss.

submitted 481 days ago • 0 comments

arXiv:2402.10721 Molecular isotopologs toward super star clusters in NGC253: This paper discusses measurements of molecular isotopologs towards super star clusters in NGC253 using data from the ALCHEMI ALMA Large program. The authors analyze these ratios using radiative transfer modeling.

submitted 491 days ago • 0 comments

www.nasa.gov/universe/web...

submitted 494 days ago • 0 comments

A radiotelescope is on the way to the Moon. www.skyatnightmagazine.com/news/odysseu...

submitted 494 days ago • 0 comments

After several years’ work by astronomers affiliated with the IAU CPS, a key UN body agreed last week to put on their agenda the issue of satellite constellations' impact on astronomy. www.iau.org/news/pressre...

submitted 495 days ago • 0 comments

The ALMA-CRISTAL survey. 'Discovery of a 15 kpc-long gas plume in a z=4.54 Lyman-α blob' M. Solimano, et al. arXiv:2401.04919. New ALMA [C II] line observations targeting the J1000+0234 system, achieve a deep view into a DSFG and its rich environment at 0.2" resolution.

submitted 531 days ago • 0 comments

ALMA antennas are slowly returning to more compact arrays until Cycle 11.

submitted 623 days ago • 0 comments

Down to 45F this am; lit the fire, thinking about bringing in orchids and aroids...

submitted 623 days ago • 0 comments

Hello World!

submitted 623 days ago • 0 comments