The TESS Ten Thousand Catalog: 10,001 uniformly-vetted and -validated Eclipsing Binary Stars detected in Full-Frame Image data by machine learning and analyzed by citizen scientists

Posted by dbos MIT, This Week: Astrophysics

Kavli Affiliate: Saul A. Rappaport | First 5 Authors: Veselin B. Kostov, Brian P. Powell, Aline U. Fornear, Marco Z. Di Fraia, Robert Gagliano | Summary: The Transiting Exoplanet Survey Satellite (TESS) has surveyed nearly the entire sky in Full-Frame Image mode with a time resolution of 200 seconds to 30 minutes and a temporal […]


Continue.. The TESS Ten Thousand Catalog: 10,001 uniformly-vetted and -validated Eclipsing Binary Stars detected in Full-Frame Image data by machine learning and analyzed by citizen scientists

X-ray Polarization Detection of the Pulsar Wind Nebula in G21.5-0.9 with IXPE

Posted by dbos MIT, This Week: Astrophysics

Kavli Affiliate: Herman L. Marshall | First 5 Authors: Niccolò Di Lalla, Nicola Omodei, Niccolò Bucciantini, Jack T. Dinsmore, Nicolò Cibrario | Summary: We present the X-ray polarization observation of G21.5-0.9, a young Galactic supernova remnant (SNR), conducted with the Imaging X-ray Polarimetry Explorer (IXPE) in October 2023, with a total livetime of approximately 837 […]


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The TOI-1117 Multi-planetary System: 3 sub-Neptunes, 1 in both the Neptunian Desert and Radius Valley

Posted by dbos MIT, This Week: Astrophysics

Kavli Affiliate: Sara Seager | First 5 Authors: Isobel S. Lockley, David J. Armstrong, Jorge Fernández Fernández, Sarah Millholland, Henrik Knierim | Summary: We present the discovery of three sub-Neptune planets around TOI-1117, a Sun-like star with mass $0.97pm0.02M_{odot}$, radius $1.05pm0.03R_{odot}$, age $4.42pm1.50$ Gyr and effective temperature $5635pm62$ K. Light curves from TESS and LCOGT […]


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The Age and High Energy Environment of the Very Young Transiting Exoplanet TOI 1227b

Posted by dbos MIT, This Week: Astrophysics

Kavli Affiliate: Moritz Guenther | First 5 Authors: Attila Varga, Joel H. Kastner, Alexander S. Binks, Hans Moritz Guenther, Simon J. Murphy | Summary: The mid-M star TOI~1227 hosts among the youngest known transiting exoplanets. We have conducted new X-ray imaging and optical spectroscopic observations of TOI 1227 aimed at ascertaining its age and the […]


Continue.. The Age and High Energy Environment of the Very Young Transiting Exoplanet TOI 1227b

TESS Science Processing Operations Center Photometric Precision Archival Product

Posted by dbos MIT, This Week: Astrophysics

Kavli Affiliate: Michael M. Fausnaugh | First 5 Authors: Joseph D. Twicken, Jon M. Jenkins, Douglas A. Caldwell, Benjamin M. Tofflemire, Marziye Jafariyazani | Summary: We report the delivery to the Mikulski Archive for Space Telescopes (MAST) of tables containing Root Mean Square (RMS) Combined Differential Photometric Precision (CDPP) values for all TESS 2-min cadence […]


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The Onset of Feedback in Abell 1885: Evidence for Large-Scale Quenching Despite a Young Central AGN

Posted by dbos MIT, This Week: Astrophysics

Kavli Affiliate: Michael McDonald | First 5 Authors: Laurel White, Michael McDonald, Francesco Ubertosi, Massimo Gaspari, Julie Hlavacek-Larrondo | Summary: We present a new 8.5 ks Chandra observation of Abell 1885, obtained as part of the Cluster Evolution Reference Ensemble At Low-z (CEREAL) survey of ~200 low-z galaxy groups and clusters. These data reveal that […]


Continue.. The Onset of Feedback in Abell 1885: Evidence for Large-Scale Quenching Despite a Young Central AGN

EIGER VII. The evolving relationship between galaxies and the intergalactic medium in the final stages of reionization

Posted by dbos MIT, This Week: Astrophysics

Kavli Affiliate: Robert A. Simcoe | First 5 Authors: Daichi Kashino, Simon J. Lilly, Jorryt Matthee, Ruari Mackenzie, Anna-Christina Eilers | Summary: We present a comprehensive analysis of the relationship between galaxies and the intergalactic medium (IGM) during the late stages of cosmic reionization, based on the complete JWST EIGER dataset. Using deep NIRCam $3.5,mathrm{mu […]


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Verification of the Timing System for the X-ray Imaging and Spectroscopy Mission in the GPS Unsynchronized Mode

Posted by dbos MIT, This Week: Astrophysics

Kavli Affiliate: Eric D. Miller | First 5 Authors: Megumi Shidatsu, Yukikatsu Terada, Takashi Kominato, So Kato, Ryohei Sato | Summary: We report the results from the ground and on-orbit verifications of the XRISM timing system when the satellite clock is not synchronized to the GPS time. In this case, the time is determined by […]


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Black hole spectroscopy: from theory to experiment

Posted by dbos MIT

Kavli Affiliate: Scott A. Hughes | First 5 Authors: Emanuele Berti, Vitor Cardoso, Gregorio Carullo, Jahed Abedi, Niayesh Afshordi | Summary: The "ringdown" radiation emitted by oscillating black holes has great scientific potential. By carefully predicting the frequencies and amplitudes of black hole quasinormal modes and comparing them with gravitational-wave data from compact binary mergers […]


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