Search Results - "Filippenko, Alexei V."

PSR J0952−0607: The Fastest and Heaviest Known Galactic Neutron Star by Romani, Roger W., Kandel, D., Filippenko, Alexei V., Brink, Thomas G., Zheng, WeiKang

“…Abstract We describe Keck-telescope spectrophotometry and imaging of the companion of the “black widow” pulsar PSR J0952−0607, the fastest known spinning…”
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Milky Way Cepheid Standards for Measuring Cosmic Distances and Application to Gaia DR2: Implications for the Hubble Constant by Riess, Adam G., Casertano, Stefano, Yuan, Wenlong, Macri, Lucas, Bucciarelli, Beatrice, Lattanzi, Mario G., MacKenty, John W., Bowers, J. Bradley, Zheng, WeiKang, Filippenko, Alexei V., Huang, Caroline, Anderson, Richard I.

“…We present Hubble Space Telescope (HST) photometry of a selected sample of 50 long-period, low-extinction Milky Way Cepheids measured on the same WFC3 F555W-,…”
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New Parallaxes of Galactic Cepheids from Spatially Scanning the Hubble Space Telescope: Implications for the Hubble Constant by Riess, Adam G., Casertano, Stefano, Yuan, Wenlong, Macri, Lucas, Anderson, Jay, MacKenty, John W., Bowers, J. Bradley, Clubb, Kelsey I., Filippenko, Alexei V., Jones, David O., Tucker, Brad E.

“…We present new measurements of the parallax of seven long-period (≥10 days) Milky Way (MW) Cepheid variables (SS CMa, XY Car, VY Car, VX Per, WZ Sgr, X Pup,…”
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Hubble Space Telescope Observations of Mira Variables in the SN Ia Host NGC 1559: An Alternative Candle to Measure the Hubble Constant by Huang, Caroline D., Riess, Adam G., Yuan, Wenlong, Macri, Lucas M., Zakamska, Nadia L., Casertano, Stefano, Whitelock, Patricia A., Hoffmann, Samantha L., Filippenko, Alexei V., Scolnic, Daniel

“…We present year-long, near-infrared Hubble Space Telescope (HST) WFC3 observations used to search for Mira variables in NGC 1559, the host galaxy of the Type…”
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LOSS Revisited. II. The Relative Rates of Different Types of Supernovae Vary between Low- and High-mass Galaxies by Graur, Or, Bianco, Federica B., Modjaz, Maryam, Shivvers, Isaac, Filippenko, Alexei V., Li, Weidong, Smith, Nathan

“…In Paper I of this series, we showed that the ratio between stripped-envelope (SE) supernova (SN) and Type II SN rates reveals a significant SE SN deficiency…”
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A 2.4% DETERMINATION OF THE LOCAL VALUE OF THE HUBBLE CONSTANT by Riess, Adam G, Macri, Lucas M, Hoffmann, Samantha L, Scolnic, Dan, Casertano, Stefano, Filippenko, Alexei V, Tucker, Brad E, Reid, Mark J, Jones, David O, Silverman, Jeffrey M, Chornock, Ryan, Challis, Peter, Yuan, Wenlong, Brown, Peter J, Foley, Ryan J

“…ABSTRACT We use the Wide Field Camera 3 (WFC3) on the Hubble Space Telescope (HST) to reduce the uncertainty in the local value of the Hubble constant from…”
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The Pantheon+ Analysis: Cosmological Constraints by Brout, Dillon, Scolnic, Dan, Popovic, Brodie, Riess, Adam G., Carr, Anthony, Zuntz, Joe, Kessler, Rick, Davis, Tamara M., Hinton, Samuel, Jones, David, Kenworthy, W. D’Arcy, Peterson, Erik R., Said, Khaled, Taylor, Georgie, Ali, Noor, Armstrong, Patrick, Charvu, Pranav, Dwomoh, Arianna, Meldorf, Cole, Palmese, Antonella, Qu, Helen, Rose, Benjamin M., Sanchez, Bruno, Stubbs, Christopher W., Vincenzi, Maria, Wood, Charlotte M., Brown, Peter J., Chen, Rebecca, Chambers, Ken, Coulter, David A., Dai, Mi, Dimitriadis, Georgios, Filippenko, Alexei V., Foley, Ryan J., Jha, Saurabh W., Kelsey, Lisa, Kirshner, Robert P., Möller, Anais, Muir, Jessie, Nadathur, Seshadri, Pan, Yen-Chen, Rest, Armin, Rojas-Bravo, Cesar, Sako, Masao, Siebert, Matthew R., Smith, Mat, Stahl, Benjamin E., Wiseman, Phil

“…Abstract We present constraints on cosmological parameters from the Pantheon+ analysis of 1701 light curves of 1550 distinct Type Ia supernovae (SNe Ia)…”
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Evidence for two distinct populations of type Ia supernovae by Wang, Xiaofeng, Wang, Lifan, Filippenko, Alexei V, Zhang, Tianmeng, Zhao, Xulin

“…Type Ia supernovae (SNe Ia) have been used as excellent standardizable candles for measuring cosmic expansion, but their progenitors are still elusive. Here,…”
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The rise-time distribution of nearby Type Ia supernovae by Ganeshalingam, Mohan, Li, Weidong, Filippenko, Alexei V.

“…We present an analysis of the B- and V-band rise-time distributions of nearby Type Ia supernovae (SNe Ia). Drawing mostly from the recently published Lick…”
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A Measurement of the Hubble Constant Using Gravitational Waves from the Binary Merger GW190814 by Vasylyev, Sergiy S., Filippenko, Alexei V.

“…Abstract We present a test of the statistical method introduced by Bernard F. Shutz in 1986 using only gravitational waves to infer the Hubble constant (H 0 )…”
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Nearby supernova rates from the Lick Observatory Supernova Search - II. The observed luminosity functions and fractions of supernovae in a complete sample by Li, Weidong, Leaman, Jesse, Chornock, Ryan, Filippenko, Alexei V., Poznanski, Dovi, Ganeshalingam, Mohan, Wang, Xiaofeng, Modjaz, Maryam, Jha, Saurabh, Foley, Ryan J., Smith, Nathan

“…This is the second paper of a series in which we present new measurements of the observed rates of supernovae (SNe) in the local Universe, determined from the…”
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An Empirical Fitting Method to Type Ia Supernova Light Curves. III. A Three-parameter Relationship: Peak Magnitude, Rise Time, and Photospheric Velocity by Zheng, WeiKang, Kelly, Patrick L., Filippenko, Alexei V.

“…We examine the relationship between three parameters of Type Ia supernovae (SNe Ia): peak magnitude, rise time, and photospheric velocity at the time of peak…”
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Revisiting the Lick Observatory Supernova Search Volume-limited Sample: Updated Classifications and Revised Stripped-envelope Supernova Fractions by Shivvers, Isaac, Modjaz, Maryam, Zheng, WeiKang, Liu, Yuqian, Filippenko, Alexei V., Silverman, Jeffrey M., Matheson, Thomas, Pastorello, Andrea, Graur, Or, Foley, Ryan J., Chornock, Ryan, Smith, Nathan, Leaman, Jesse, Benetti, Stefano

“…We re-examine the classifications of supernovae (SNe) presented in the Lick Observatory Supernova Search (LOSS) volume-limited sample with a focus on the…”
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Nearby supernova rates from the Lick Observatory Supernova Search - I. The methods and data base by Leaman, Jesse, Li, Weidong, Chornock, Ryan, Filippenko, Alexei V.

“…This is the first paper of a series in which we present new measurements of the observed rates of supernovae (SNe) in the local Universe, determined from the…”
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Shock cooling of a red-supergiant supernova at redshift 3 in lensed images by Chen, Wenlei, Kelly, Patrick L., Oguri, Masamune, Broadhurst, Thomas J., Diego, Jose M., Emami, Najmeh, Filippenko, Alexei V., Treu, Tommaso L., Zitrin, Adi

“…The core-collapse supernova of a massive star rapidly brightens when a shock, produced following the collapse of its core, reaches the stellar surface. As the…”
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LOSS Revisited. I. Unraveling Correlations between Supernova Rates and Galaxy Properties, as Measured in a Reanalysis of the Lick Observatory Supernova Search by Graur, Or, Bianco, Federica B., Huang, Shan, Modjaz, Maryam, Shivvers, Isaac, Filippenko, Alexei V., Li, Weidong, Eldridge, J. J.

“…Most types of supernovae (SNe) have yet to be connected with their progenitor stellar systems. Here, we reanalyze the 10-year SN sample collected during…”
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THE LOW-LUMINOSITY END OF THE RADIUS-LUMINOSITY RELATIONSHIP FOR ACTIVE GALACTIC NUCLEI by Bentz, Misty C, Denney, Kelly D, Grier, Catherine J, Barth, Aaron J, Peterson, Bradley M, Vestergaard, Marianne, BENNERT, VARDHA N, Canalizo, Gabriela, De Rosa, Gisella, Filippenko, Alexei V

“…We present an updated and revised analysis of the relationship between the H beta broad-line region (BLR) radius and the luminosity of the active galactic…”
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Low-resolution sodium D absorption is a bad proxy for extinction by Poznanski, Dovi, Ganeshalingam, Mohan, Silverman, Jeffrey M., Filippenko, Alexei V.

“…ABSTRACT Dust extinction is generally the least tractable systematic uncertainty in astronomy, and particularly in supernova science. Often in the past,…”
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The Zwicky Transient Facility Bright Transient Survey. II. A Public Statistical Sample for Exploring Supernova Demographics by Perley, Daniel A., Fremling, Christoffer, Sollerman, Jesper, Miller, Adam A., Dahiwale, Aishwarya S., Sharma, Yashvi, Bellm, Eric C., Biswas, Rahul, Brink, Thomas G., Bruch, Rachel J., De, Kishalay, Dekany, Richard, Drake, Andrew J., Duev, Dmitry A., Filippenko, Alexei V., Gal-Yam, Avishay, Goobar, Ariel, Graham, Matthew J., Graham, Melissa L., Ho, Anna Y. Q., Irani, Ido, Kasliwal, Mansi M., Kim, Young-Lo, Kulkarni, S. R., Mahabal, Ashish, Masci, Frank J., Modak, Shaunak, Neill, James D., Nordin, Jakob, Riddle, Reed L., Soumagnac, Maayane T., Strotjohann, Nora L., Schulze, Steve, Taggart, Kirsty, Tzanidakis, Anastasios, Walters, Richard S., Yan, Lin

“…Abstract We present a public catalog of transients from the Zwicky Transient Facility (ZTF) Bright Transient Survey, a magnitude-limited ( m  < 19 mag in…”
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ASPHERICITY, INTERACTION, AND DUST IN THE TYPE II-P/II-L SUPERNOVA 2013EJ IN MESSIER 74 by Mauerhan, Jon C., Van Dyk, Schuyler D., Johansson, Joel, Hu, Maokai, Fox, Ori D., Wang, Lifan, Graham, Melissa L., Filippenko, Alexei V., Shivvers, Isaac

“…ABSTRACT SN 2013ej is a well-studied core-collapse supernova (SN) that stemmed from a directly identified red supergiant (RSG) progenitor in galaxy M74. The…”
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