Optical Quasi-periodic Oscillations in the TESS light curves of three blazars

Autor: Tripathi, Ashutosh, Smith, Krista Lynne, Wiita, Paul J., Wagoner, Robert V.

We report the time series analysis of TESS light curves of three blazars, BL Lacertae, 1RXS J111741.0+254858, and 1RXS J004519.6+212735, obtained using a customized approach for extracting AGN light curves. We find tentative evidence for quasi-period

Externí odkaz: http://arxiv.org/abs/2312.14144

Evolution of a Mode of Oscillation Within Turbulent Accretion Disks

Autor: Wagoner, Robert V., Tandon, Celia R.

Publikováno v: Astrophysical Journal 920:114 (2021)

We investigate the effects of subsonic turbulence on a normal mode of oscillation [a possible origin of the high-frequency quasi-periodic oscillations (HFQPOs) within some black hole accretion disks]. We consider perturbations of a time-dependent bac

Externí odkaz: http://arxiv.org/abs/2107.13546

Atomistic survey of grain boundary dislocation interactions in FCC Nickel

Autor: Adams, Devin W, Fullwood, David T, Wagoner, Robert H, Homer, Eric R

Publikováno v: Comp. Mat. Sci. 164 (2019) 171-185

It is well known that grain boundaries (GBs) have a strong influence on mechanical properties of polycrystalline materials. Not as well-known is how different GBs interact with dislocations to influence dislocation movement. This work presents a mole

Externí odkaz: http://arxiv.org/abs/1902.01892

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Science-Driven Optimization of the LSST Observing Strategy

Autor: LSST Science Collaboration, Marshall, Phil, Anguita, Timo, Bianco, Federica B., Bellm, Eric C., Brandt, Niel, Clarkson, Will, Connolly, Andy, Gawiser, Eric, Ivezic, Zeljko, Jones, Lynne, Lochner, Michelle, Lund, Michael B., Mahabal, Ashish, Nidever, David, Olsen, Knut, Ridgway, Stephen, Rhodes, Jason, Shemmer, Ohad, Trilling, David, Vivas, Kathy, Walkowicz, Lucianne, Willman, Beth, Yoachim, Peter, Anderson, Scott, Antilogus, Pierre, Angus, Ruth, Arcavi, Iair, Awan, Humna, Biswas, Rahul, Bell, Keaton J., Bennett, David, Britt, Chris, Buzasi, Derek, Casetti-Dinescu, Dana I., Chomiuk, Laura, Claver, Chuck, Cook, Kem, Davenport, James, Debattista, Victor, Digel, Seth, Doctor, Zoheyr, Firth, R. E., Foley, Ryan, Fong, Wen-fai, Galbany, Lluis, Giampapa, Mark, Gizis, John E., Graham, Melissa L., Grillmair, Carl, Gris, Phillipe, Haiman, Zoltan, Hartigan, Patrick, Hawley, Suzanne, Hlozek, Renee, Jha, Saurabh W., Johns-Krull, C., Kanbur, Shashi, Kalogera, Vassiliki, Kashyap, Vinay, Kasliwal, Vishal, Kessler, Richard, Kim, Alex, Kurczynski, Peter, Lahav, Ofer, Liu, Michael C., Malz, Alex, Margutti, Raffaella, Matheson, Tom, McEwen, Jason D., McGehee, Peregrine, Meibom, Soren, Meyers, Josh, Monet, Dave, Neilsen, Eric, Newman, Jeffrey, O'Dowd, Matt, Peiris, Hiranya V., Penny, Matthew T., Peters, Christina, Poleski, Radoslaw, Ponder, Kara, Richards, Gordon, Rho, Jeonghee, Rubin, David, Schmidt, Samuel, Schuhmann, Robert L., Shporer, Avi, Slater, Colin, Smith, Nathan, Soares-Santos, Marcelles, Stassun, Keivan, Strader, Jay, Strauss, Michael, Street, Rachel, Stubbs, Christopher, Sullivan, Mark, Szkody, Paula, Trimble, Virginia, Tyson, Tony, de Val-Borro, Miguel, Valenti, Stefano, Wagoner, Robert, Wood-Vasey, W. Michael, Zauderer, Bevin Ashley

The Large Synoptic Survey Telescope is designed to provide an unprecedented optical imaging dataset that will support investigations of our Solar System, Galaxy and Universe, across half the sky and over ten years of repeated observation. However, ex

Externí odkaz: http://arxiv.org/abs/1708.04058