-
The 9:1 Battle for Time: The Operational Framework and the Dual-Anonymous System that Selects the Universe’s Next Great Discoveries
Summary, Step-by-Step Guide to JWST Proposal Success, and Comprehensive Proposal Checklist The James Webb Space Telescope (JWST) was designed with multiple, complementary access policies—primarily the General Observer (GO) program (open competition), the Guaranteed Time Observations (GTO) (rewarding instrument developers with about 16% of the first three cycles), and Director’s Discretionary Time (DDT) (reserved for time-critical…
-
What are the Key Components of the Interstellar Mapping and Acceleration Probe (IMAP)
Livestream of the IMAP Assembly https://imap.princeton.edu/clean-room-video-feed The Interstellar Mapping and Acceleration Probe (IMAP) is a NASA mission designed to study the heliosphere and its interaction with the interstellar medium. The spacecraft comprises several key components: 1. Scientific Instruments: IMAP is equipped with ten specialized instruments to achieve its scientific objectives: Charged Particle-Sensing Instrument Installed on…
-
Protoplanetary Disc Oph163131 – Surface Layers Lack Grains Larger than 1 µm
JWST imaging of edge-on protoplanetary disks. III. Drastic morphological transformation across the mid-infrared in Oph163131. Marion Villenave et. al. https://t.co/aMCnahCjLs pic.twitter.com/NZDlPOVrjK — AstroArxiv (@AstroArxiv) October 2, 2024 https://platform.twitter.com/widgets.js “The lack of sharp-edged structures in the extended patchy emission argues against the presence of shocks and suggests photoexcitation or stochastic heating of material smoothly flowing away…
-
Detect Water in Protoplanetary Discs with JWST-MIRI Tools
“The analysis suggests that all nascent planetary systems may have the same water resources that we did.”
-
Accretion Only Planet Formation Models will Slowly be Replaced by Hydrodynamic Hybrid Models…
“Our results demonstrate that even intermediate-mass protoplanets — less detectable, but more ubiquitous, than super-Jupiters — are capable of indirectly inducing large-scale spiral disk features, and underscore the importance of including radiation physics in efforts to reproduce observations.” Reference: Can gap-edge illumination excite spirals in protoplanetary disks? Three-temperature radiation hydrodynamics and NIR image modelling Dhruv…
-
Binary Star PDS 144B in Scorpius has a Proplyd – Ionized Protoplanetary Disk
PDS 144B is part of a binary star system known as PDS 144, which is notable for being the first confirmed Herbig Ae/Be binary system (2012) where both stars drive jets. Herbig Ae/Be stars are a class of pre-main-sequence stars that are more massive than T Tauri stars and are characterized by their emission lines…
-
Dimethyl Ether Detected in MWC 480 Protoplanetary Disk
Dimethy Ether was first synthesised in 1835. It is expected to be used in biofuels in the future. The MWC 480 protoplanetary disk is a subject of significant interest due to its complex structure and potential insights into planet formation processes. Star Characteristics Protoplanetary Disk Features Kinematic and Chemical Properties Overall, the MWC 480 protoplanetary disk…
-
Abundance of Water in the Form of Icy Crystals in the Frosty Leo Protoplanetary Nebula
The Frosty Leo Nebula, also known as IRAS 09371+1212, is a protoplanetary nebula located approximately 3,000 light-years from Earth in the constellation Leo. Despite their name, protoplanetary nebulae are not related to planets but are formed from material ejected by their aging central stars. Characteristics Observation Significance Protoplanetary nebulae like Frosty Leo are precursors to…
-
Subscribe
Subscribed
Already have a WordPress.com account? Log in now.
Circular Astronomy 