Search Results - "Jayasinghe, T."

The ASAS-SN catalogue of variable stars I: The Serendipitous Survey by Jayasinghe, T, Kochanek, C S, Stanek, K Z, Shappee, B J, Holoien, T W-S, Thompson, Toda A, Prieto, J L, Dong, Subo, Pawlak, M, Shields, J V, Pojmanski, G, Otero, S, Britt, C A, Will, D

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The ASAS-SN Catalog of Variable Stars II: Uniform Classification of 412,000 Known Variables by Jayasinghe, T, Stanek, K Z, Kochanek, C S, Shappee, B J, Holoien, T W-S, Thompson, Todd A, Prieto, J L, Dong, Subo, Pawlak, M, Pejcha, O, Shields, J V, Pojmanski, G, Otero, S, Britt, C A, Will, D

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The ASAS-SN catalogue of variable stars III: variables in the southern TESS continuous viewing zone by Jayasinghe, T, Stanek, K Z, Kochanek, C S, Shappee, B J, Holoien, T W-S, Thompson, Todd A, Prieto, J L, Dong, Subo, Pawlak, M, Pejcha, O, Shields, J V, Pojmanski, G, Otero, S, Hurst, N, Britt, C A, Will, D

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High tide: a systematic search for ellipsoidal variables in ASAS-SN by Rowan, D M, Stanek, K Z, Jayasinghe, T, Kochanek, C S, Thompson, Todd A, Shappee, B J, Holoien, T W -S, Prieto, J L

“…ABSTRACT The majority of non-merging stellar mass black holes are discovered by observing high energy emission from accretion processes. Here, we pursue the…”
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A search for compact object companions to high mass function single-lined spectroscopic binaries in Gaia DR3 by Jayasinghe, T, Rowan, D M, Thompson, Todd A, Kochanek, C S, Stanek, K Z

“…ABSTRACT Gaia Data Release 3 (DR3) provides >181 000 radial velocity (RV) solutions for single-lined spectroscopic binaries (SB1s) that can be used to search…”
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The search for failed supernovae with the Large Binocular Telescope: a new candidate and the failed SN fraction with 11 yr of data by Neustadt, J M M, Kochanek, C S, Stanek, K Z, Basinger, C, Jayasinghe, T, Garling, C T, Adams, S M, Gerke, J

“…ABSTRACT We present updated results of the Large Binocular Telescope Search for Failed Supernovae. This search monitors luminous stars in 27 nearby galaxies…”
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NusG-dependent RNA polymerase pausing is a common feature of riboswitch regulatory mechanisms by Jayasinghe, Oshadhi T, Ritchey, Laura E, Breil, Thomas, Newman, Paxton, Yakhnin, Helen, Babitzke, Paul

“…Abstract Transcription by RNA polymerase is punctuated by transient pausing events. Pausing provides time for RNA folding and binding of regulatory factors to…”
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The ASAS-SN catalogue of variable stars IX: The spectroscopic properties of Galactic variable stars by Jayasinghe, T, Kochanek, C S, Stanek, K Z, Shappee, B J, Holoien, T W-S, Thompson, Todd A, Prieto, J L, Dong, Subo, Pawlak, M, Pejcha, O, Pojmanski, G, Otero, S, Hurst, N, Will, D

“…ABSTRACT The All-Sky Automated Survey for Supernovae provides long baseline (∼4 yr) V-band light curves for sources brighter than V≲ 17 mag across the whole…”
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The ASAS-SN catalogue of variable stars – V. Variables in the Southern hemisphere by Jayasinghe, T, Stanek, K Z, Kochanek, C S, Shappee, B J, Holoien, T W-S, Thompson, T A, Prieto, J L, Dong, S, Pawlak, M, Pejcha, O, Shields, J V, Pojmanski, G, Otero, S, Hurst, N, Britt, C A, Will, D

“…ABSTRACT The All-Sky Automated Survey for Supernovae (ASAS-SN) provides long baseline (∼4 yr) light curves for sources brighter than V ≲ 17 mag across the…”
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Cool, Luminous, and Highly Variable Stars in the Magellanic Clouds from ASAS-SN: Implications for Thorne–Żytkow Objects and Super-asymptotic Giant Branch Stars by O’Grady, Anna J. G., Drout, Maria R., Shappee, B. J., Bauer, Evan B., Fuller, Jim, Kochanek, C. S., Jayasinghe, T., Gaensler, B. M., Stanek, K. Z., Holoien, Thomas W.-S., Prieto, J. L., Thompson, Todd A.

“…Abstract Stars with unusual properties can provide a wealth of information about rare stages of stellar evolution and exotic physics. However, determining the…”
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The ASAS-SN catalogue of variable stars X: discovery of 116 000 new variable stars using G-band photometry by Christy, C T, Jayasinghe, T, Stanek, K Z, Kochanek, C S, Thompson, T A, Shappee, B J, Holoien, T W-S, Prieto, J L, Dong, Subo, Giles, W

“…ABSTRACT The All-Sky Automated Survey for Supernovae (ASAS-SN) is the first optical survey to monitor the entire sky, currently with a cadence of ≲ 24 h down…”
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The value-added catalogue of ASAS-SN eclipsing binaries – III. Masses and radii of Gaia spectroscopic binaries by Rowan, D M, Jayasinghe, T, Stanek, K Z, Kochanek, C S, Thompson, Todd A, Shappee, B J, Giles, W

“…ABSTRACT Masses and radii of stars can be derived by combining eclipsing binary light curves with spectroscopic orbits. In our previous work, we modelled the…”
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An extreme amplitude, massive heartbeat system in the LMC characterized using ASAS-SN and TESS by Jayasinghe, T, Stanek, K Z, Kochanek, C S, Thompson, Todd A, Shappee, B J, Fausnaugh, M

“…ABSTRACT Using ASAS-SN data, we find that the bright ($V\sim 13.5$ mag) variable star MACHO 80.7443.1718 (ASASSN-V J052624.38–684705.6) is the most extreme…”
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The Changing-look Blazar B2 1420+32 by Mishra, Hora D., Dai, Xinyu, Chen, Ping, Cheng, Jigui, Jayasinghe, T., Tucker, Michael A., Vallely, Patrick J., Bersier, David, Bose, Subhash, Do, Aaron, Dong, Subo, Holoien, Thomas W.-S., Huber, Mark E., Kochanek, Christopher S., Liang, Enwei, Payne, Anna V., Prieto, Jose, Shappee, Benjamin J., Stanek, K. Z., Bhatiani, Saloni, Cox, John, DeFrancesco, Cora, Shen, Zhiqiang, Thompson, Todd A., Wang, Junfeng

“…Abstract Blazars are active galactic nuclei with their relativistic jets pointing toward the observer, comprising two major subclasses, flat-spectrum radio…”
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The value-added catalogue of ASAS-SN eclipsing binaries: parameters of 30 000 detached systems by Rowan, D M, Jayasinghe, T, Stanek, K Z, Kochanek, C S, Thompson, Todd A, Shappee, B J, Holoien, T W -S, Prieto, J L, Giles, W

“…ABSTRACT Detached eclipsing binaries are a fundamental tool for measuring the physical parameters of stars that are effectively evolving in isolation. Starting…”
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The ASAS-SN catalogue of variable stars – VII. Contact binaries are different above and below the Kraft break by Jayasinghe, T, Stanek, K Z, Kochanek, C S, Shappee, B J, Pinsonneault, M H, Holoien, T W-S, Thompson, Todd A, Prieto, J L, Pawlak, M, Pejcha, O, Pojmanski, G, Otero, S, Hurst, N, Will, D

“…ABSTRACT We characterize ${\sim } 71\, 200$ W Ursae Majoris (UMa) type (EW) contact binaries, including ${\sim } 12\, 600$ new discoveries, using All-Sky…”
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Spitzer + VLTI-GRAVITY Measure the Lens Mass of a Nearby Microlensing Event by Zang, Weicheng, Dong, Subo, Gould, Andrew, Calchi Novati, Sebastiano, Chen, Ping, Yang, Hongjing, Li, Shun-Sheng, Mao, Shude, Alton, K. B., Brimacombe, J., Carey, Sean, Christie, G. W., Delplancke-Ströbele, F., Feliz, Dax L., Gaudi, B. Scott, Green, J., Hu, Shaoming, Jayasinghe, T., Koff, R. A., Kurtenkov, A., Mérand, A., Minev, Milen, Mutel, Robert, Natusch, T., Roth, Tyler, Shvartzvald, Yossi, Sun, Fengwu, Vanmunster, T., Zhu, Wei

“…We report the lens mass and distance measurements of the nearby microlensing event TCP J05074264+2447555 (Kojima-1). We measure the microlens parallax vector…”
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Supernova rates and luminosity functions from ASAS-SN I: 2014–2017 Type Ia SNe and their subtypes by Desai, D D, Kochanek, C S, Shappee, B J, Jayasinghe, T, Stanek, K Z, Holoien, T W -S, Thompson, T A, Ashall, C, Beacom, J F, Do, A, Dong, Subo, Prieto, J L

“…ABSTRACT We present the volumetric rates and luminosity functions (LFs) of Type Ia supernovae (SNe Ia) from the V-band All-Sky Automated Survey for Supernovae…”
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The ASAS-SN catalogue of variable stars – VIII. ‘Dipper’ stars in the Lupus star-forming region by Bredall, J W, Shappee, B J, Gaidos, E, Jayasinghe, T, Vallely, P, Stanek, K Z, Kochanek, C S, Gagné, J, Hart, K, Holoien, T W-S, Prieto, J L, Van Saders, J

“…ABSTRACT Some young stellar objects such as T Tauri-like ‘dipper’ stars vary due to transient partial occultation by circumstellar dust, and observations of…”
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The ASAS-SN catalogue of variable stars VI: an all-sky sample of δ Scuti stars by Jayasinghe, T, Stanek, K Z, Kochanek, C S, Vallely, P J, Shappee, B J, Holoien, T W-S, Thompson, Todd A, Prieto, J L, Pejcha, O, Fausnaugh, M, Otero, S, Hurst, N, Will, D

“…ABSTRACT We characterize an all-sky catalogue of ∼8400 δ Scuti variables in ASAS-SN, which includes ∼3300 new discoveries. Using distances from Gaia DR2, we…”
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