Update post_blog.py

post_blog.py

@@ -148,13 +148,13 @@ def test(uaccess_key):
             "status": "success",
             "Astrophysics": {
                 "2412.16344": {
-                    "id": "2412.16344",
-                    "doi": "https://doi.org/10.48550/arXiv.2412.16344",
-                    "title": "Demographics of black holes at <$100 R$_{\rm g}$ scales: accretion flows, jets, and shadows",
+                    "id": "2412.20276",
+                    "doi": "https://doi.org/10.48550/arXiv.2412.20276",
+                    "title": "Demographics of black holes at $&lt;$100 R$_{\\rm g}$ scales: accretion flows, jets, and shadows",
                     "category": "Astrophysics",
-                    "citation": "Grant, C. E., Bautz, M. W., Miller, E. D., Foster, R. F., LaMarr, B., Malonis, A., Prigozhin, G., Schneider, B., Leitz, C., &amp; Falcone, A. D. (2024). Focal Plane of the Arcus Probe X-Ray Spectrograph. ArXiv. https://doi.org/10.48550/ARXIV.2412.16344",
-                    "summary": "## Summary\nThe text discusses gravitational algebras and their applications in nonequilibrium physics, specifically in the context of black holes and de Sitter spacetime. It explores the concept of type III and type II von Neumann algebras and their role in understanding the thermodynamic properties of gravitational systems.\n\n## Highlights\n- The Arcus Probe mission concept explores the formation and evolution of clusters, galaxies, and stars.\n- The XRS instrument includes four parallel optical channels and two detector focal plane arrays.\n- The CCDs are designed and manufactured by MIT Lincoln Laboratory (MIT/LL).\n- The XRS focal plane utilizes high heritage MIT/LL CCDs with proven technologies.\n- Laboratory testing confirms CCID-94 performance meets required spectral resolution and readout noise.\n- The Arcus mission includes two co-aligned instruments working simultaneously.\n- The XRS Instrument Control Unit (XICU) controls the activities of the XRS.\n\n## Key Insights\n- The Arcus Probe mission concept provides a significant improvement in sensitivity and resolution over previous missions, enabling breakthrough science in understanding the universe.\n- The XRS instrument's design, including the use of two CCD focal planes and four parallel optical channels, allows for high-resolution spectroscopy and efficient detection of X-ray photons.\n- The CCDs used in the XRS instrument are designed and manufactured by MIT Lincoln Laboratory (MIT/LL), which has a proven track record of producing high-quality CCDs for space missions.\n- The laboratory performance results of the CCID-94 device demonstrate that it meets the required spectral resolution and readout noise for the Arcus mission, indicating that the instrument is capable of achieving its scientific goals.\n- The XRS Instrument Control Unit (XICU) plays a crucial role in controlling the activities of the XRS, including gathering and storing data, and processing event recognition.\n- The Arcus mission's use of two co-aligned instruments working simultaneously allows for a wide range of scientific investigations, including the study of time-domain science and the physics of time-dependent phenomena.\n- The high heritage MIT/LL CCDs used in the XRS focal plane provide a reliable and efficient means of detecting X-ray photons, enabling the instrument to achieve its scientific goals.",
-                    "mindmap": "## Arcus Probe Mission Concept\n- Explores formation and evolution of clusters, galaxies, stars\n- High-resolution soft X-ray and UV spectroscopy\n- Agile response capability for time-domain science\n\n## X-Ray Spectrograph (XRS) Instrument\n- Two nearly identical CCD focal planes\n- Detects and records X-ray photons from dispersed spectra\n- Zero-order of critical angle transmission gratings\n\n## XRS Focal Plane Characteristics\n- Frametransfer X-ray CCDs\n- 8-CCD array per Detector Assembly\n- FWHM < 70 eV @ 0.5 keV\n- System read noise ≤ 4 e- RMS @ 625 kpixels/sec\n\n## Detector Assembly\n- Eight CCDs in a linear array\n- Tilted to match curved focal surface\n- Gaps minimized between CCDs\n- Alignment optimized with XRS optics\n\n## Detector Electronics\n- Programmable analog clock waveforms and biases\n- Low-noise analog signal processing and digitization\n- 1 second frame time for negligible pileup\n\n## XRS Instrument Control Unit (XICU)\n- Controls XRS activities and data transfer\n- Event Recognition Processor (ERP) extracts X-ray events\n- Reduces data rate by many orders of magnitude\n\n## CCD X-Ray Performance\n- Measured readout noise 2-3 e- RMS\n- Spectral resolution meets Arcus requirements\n- FWHM < 70 eV at 0.5 keV\n\n## CCID-94 Characteristics\n- Back-illuminated frame-transfer CCDs\n- 2048 × 1024 pixel imaging array\n- 24 × 24 µm image area pixel size\n- 50 µm detector thickness\n\n## Contamination Blocking Filter (CBF)\n- Protects detectors from molecular contamination\n- 45 nm polyimide + 30 nm Al\n- Maintained above +20°C by heater control\n\n## Optical Blocking Filter (OBF)\n- Attenuates visible/IR stray light\n- 40 nm Al on-chip filter\n- Works in conjunction with CBF"
+                    "citation": "Nair, D. G., Nagar, N. M., Ramakrishnan, V., Wielgus, M., Arratia, V., Krichbaum, T. P., Zhang, X. A., Ricarte, A., S., S., Hernández-Yévenes, J., Ford, N. M., Bandyopadhyay, B., Gurwell, M., Burridge, R., Pesce, D. W., Doeleman, S. S., Kim, J.-Y., Kim, D., Janssen, M., … Zensus, J. A. (2024). Demographics of black holes at $&lt;$100 R$_{\\rm g}$ scales: accretion flows, jets, and shadows (Version 1). arXiv. https://doi.org/10.48550/ARXIV.2412.20276",
+                    "summary": "## Summary\nThe Event Horizon Telescope (EHT) has imaged supermassive black holes (SMBHs) in M87 and Sgr A*, testing General Relativity and constraining black hole mass. The EHT has also imaged inner jets of several SMBHs, but at coarser resolutions than 100 Rg. The \"Event Horizon and Environs\" (ETHER) sample is a comprehensive database of SMBH mass estimates, radio to hard X-ray flux densities, and spectral energy distribution information.\n\n## Highlights\n- The EHT has imaged SMBH shadows in M87 and Sgr A*, testing General Relativity and constraining black hole mass.\n- The EHT has imaged the inner jets of several SMBHs, but at coarser resolutions than 100 Rg.\n- The ETHER sample is a comprehensive database of SMBH mass estimates, radio to hard X-ray flux densities, and spectral energy distribution information.\n- The ETHER database includes predictions for the 230 GHz and 345 GHz flux densities in the EHT field of view for approximately 40,000 SMBHs.\n- The 43 GHz VLBA is the highest frequency sensitive phase-referenced VLBI network, providing valuable constraints for SED modeling.\n- The ngEHT is expected to measure approximately 50 SMBH masses, 30 SMBH spins, and 7 SMBH shadows.\n- The ngEHT will enable demographic studies of SMBHs, testing General Relativity and constraining black hole mass.\n\n## Key Insights\n- The EHT's ability to image SMBH shadows and inner jets has opened a new window into understanding these enigmatic objects, allowing for tests of General Relativity and constraints on black hole mass.\n- The ETHER sample provides a comprehensive database for identifying and optimizing target selection for the EHT and its upgrades, enabling the identification of a \"Gold Sample\" of nearby low-luminosity Active Galactic Nuclei (AGNs) optimal for studying jet bases and potentially imaging black hole shadows.\n- The ngEHT will enable the measurement of approximately 50 SMBH masses, 30 SMBH spins, and 7 SMBH shadows, providing a significant increase in the number of SMBHs that can be studied in detail.\n- The 43 GHz VLBA provides valuable constraints for SED modeling, allowing for the prediction of EHT flux densities and the identification of optimal targets for EHT observations.\n- The ETHER database includes predictions for the 230 GHz and 345 GHz flux densities in the EHT field of view for approximately 40,000 SMBHs, enabling the identification of potential targets for EHT observations.\n- The ngEHT will enable demographic studies of SMBHs, testing General Relativity and constraining black hole mass, and providing insights into the properties of these enigmatic objects.\n- The EHT's ability to image SMBH shadows and inner jets has significant implications for our understanding of these objects and the role they play in the universe, and will continue to be an important area of research in the coming years.",
+                    "mindmap": "## Introduction\n- Event Horizon Telescope (EHT) project introduced\n- Studies black holes with high angular resolution\n- Provides insights into black hole physics\n\n## Black Hole Demographics\n- ETHER database for black hole demographics\n- Contains 3.15 million SMBH mass estimates\n- 20,000 VLBI radio flux densities included\n\n## EHT and ngEHT Capabilities\n- EHT resolves SMBH shadows at 10 Rg scale\n- ngEHT expected to improve imaging capabilities\n- Will study SMBHs with higher angular resolution\n\n## Observational Programs\n- 43 GHz VLBA imaging of ETHER targets\n- 230 GHz EHT+ALMA observations planned\n- GMVA+ALMA observations for deep imaging\n\n## Scientific Goals\n- Study jet launching and accretion flows\n- Investigate black hole physics and GR\n- Measure SMBH masses and spins\n\n## Future Prospects\n- ngEHT will improve imaging capabilities\n- Will enable study of more SMBHs\n- Provide insights into black hole physics\n\n## Collaboration and Funding\n- EHT collaboration for research and development\n- Funding agencies supporting the project\n- International collaboration for astronomy research\n\n## Research and Development\n- Developing new imaging techniques\n- Improving telescope sensitivity and resolution\n- Enhancing data analysis and modeling capabilities\n\n## Challenges and Limitations\n- Overcoming technical challenges and limitations\n- Addressing observational and theoretical uncertainties\n- Improving data quality and interpretation\n\n## Conclusion\n- EHT and ngEHT for black hole research\n- Studying SMBH demographics and physics\n- Advancing our understanding of the universe"
                 }
             }
         }