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Browsing by Subject "Gravitational waves"

Browsing by Subject "Gravitational waves"

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  • Dark Matter Objects: Possible New Source of Gravitational Waves 
    Sivaram, C; Arun, K (Springer, 2019-10)
    Gravitational waves from mergers of black holes and neutron stars are now being detected by LIGO. Here we look at a new source of gravitational waves, i.e., a class of dark matter objects whose properties were earlier ...
  • A faster growth of perturbations in an early matter dominated epoch: primordial black holes and gravitational waves 
    Das, Subinoy; Maharana, Anshuman; Muia, Francesco (Oxford University Press on behalf of Royal Astronomical Society, 2022-09)
    We present a scenario for fast growth of cosmological perturbations; δ(t) ∼ a(t)s, a(t) being the scale factor, with s > 10 for the numerical examples reported in this article. The basic ingredients of the scenario are an ...
  • Gravitational waves: some less discussed intriguing issues 
    Sivaram, C (World Scientific Publishing Co., 2015-10)
    Attempts to detect gravitational waves is actively in progress with sophisticated devices like LIGO setup across continents. Despite being predicted almost 100 years ago, there has so far been no direct detection of these ...
  • Kilonova Luminosity Function Constraints Based on Zwicky Transient Facility Searches for 13 Neutron Star Merger Triggers during O3 
    Kasliwal, Mansi M; Anand, Shreya; Ahumada, Tomas; Stein, Robert; Carracedo, Ana Sagues; Andreoni, Igor; Coughlin, Michael W; Singer, Leo P; Kool, Erik C; Kishalay De; Harsh Kumar; Waratkar, Gaurav; Webb, Sara; Yu, Po-Chieh; Zhang, Bin-Bin; Zhou, Rongpu; Zolkower, Jeffry; AlMualla, Mouza; Yao, Yuhan; Bulla, Mattia; Dobie, Dougal; Reusch, Simeon; Perley, Daniel A; Cenko, S. Bradley; Bhalerao, Varun; Kaplan, David L; Sollerman, Jesper; Goobar, Ariel; Copperwheat, Christopher M; Bellm, Eric C; Anupama, G. C; Corsi, Alessandra; Nissanke, Samaya; Agudo, Ivan; Bagdasaryan, Ashot; Barway, Sudhanshu; Belicki, Justin; Bloom, Joshua S; Bolin, Bryce; Buckley, David A. H; Burdge, Kevin B; Burruss, Rick; Caballero-Garcia, Maria D; Cannella, Chris; Castro-Tirado, Alberto J; Cook, David O; Cooke, Jeff; Cunningham, Virginia; Dahiwale, Aishwarya; Deshmukh, Kunal; Dichiara, Simone; Duev, Dmitry A; Anirban Dutta; Feeney, Michael; Franckowiak, Anna; Frederick, Sara; Fremling, Christoffer; Gal-Yam, Avishay; Gatkine, Pradip; Ghosh, Shaon; Goldstein, Daniel A; Zach Golkhou, V; Graham, Matthew J; Graham, Melissa L; Hankins, Matthew J; Helou, George; Youdong Hu; Ip, Wing-Huen; Jaodand, Amruta; Karambelkar, Viraj; Kong, Albert K. H; Kowalski, Marek; Khandagale, Maitreya; Kulkarni, S. R; Brajesh Kumar; Laher, Russ R; Li, K. L; Mahaba, Ashish; Masci, Frank J; Miller, Adam A; Mogotsi, Moses; Mohite, Siddharth; Mooley, Kunal; Mroz, Przemek; Newman, Jeffrey A; Ngeow, Chow-Choong; Oates, Samantha R; Patil, Atharva Sunil; Pandey, S. B; Pavana, M; Pian, Elena; Riddle, Reed; Sanchez-Ramirez, Ruben; Sharma, Yashvi; Singh, A; Smith, Roger; Soumagnac, Maayane T; Taggart, Kirsty; Tan, Hanjie; Tzanidakis, Anastasios; Troja, Eleonora; Valeev, Azamat F; Walters, Richard (IOP Publishing, 2020-12-20)
    We present a systematic search for optical counterparts to 13 gravitational wave (GW) triggers involving at least one neutron star during LIGO/Virgo's third observing run (O3). We searched binary neutron star (BNS) and ...
  • Multi-messenger Observations of a Binary Neutron Star Merger 
    Abbott, B. P; LIGO Scientific Collaboration; Fermi GBM||INTEGRAL; IceCube Collaboration; AstroSat Cadmium Zinc Telluride Imager Team; IPN Collaboration; The Insight-HXMT Collaboration; ANTARES Collaboration; The Swift Collaboration; AGILE Team; The 1M2H Team; The Dark Energy Camera GW-EM Collaboration and the DES Collaboration; The DLT40 Collaboration; GRAWITA: GRAvitational Wave Inaf TeAm; The Fermi Large Area Telescope Collaboration; ATCA: Australia Telescope Compact Array; ASKAP: Australian SKA Pathfinder; Las Cumbres Observatory Group; OzGrav; DWF ( Deeper, Wider, Faster Program ); AST3; CAASTRO Collaborations; The VINROUGE Collaboration; MASTER Collaboration; J-GEM; GROWTH; JAGWAR; Caltech- NRAO; TTU-NRAO; NuSTAR Collaborations; Pan-STARRS; The MAXI Team; TZAC onsortium; KU Collaboration; Nordic Optical Telescope; ePESSTO; GROND; Texas Tech University; SALT Group; TOROS: Transient Robotic Observatory of the South Collaboration; The BOOTES Collaboration; MWA: Murchison Widefield Array; The CALET Collaboration; IKI-GW Follow-up Collaboration; H.E.S.S. Collaboration; LOFAR Collaboration; LWA: Long Wavelength Array; HAWC Collaboration; The Pierre Auger Collaboration; ALMA Collaboration; Euro VLBI Team; Pi of the Sky Collaboration; The Chandra Team at McGill University; DFN: Desert Fireball Network; ATLASx; High Time Resolution Universe Survey; RIMAS and RATIR; SKA South Africa / MeerKAT; Pavana, M; Anupama, G. C (IOP Publishing, 2017-10)
    On 2017 August 17 a binary neutron star coalescence candidate ( later designated GW170817 ) with merger time 12:41:04 UTC was observed through gra vitational waves by the Advanced LIG O and Advanced Virgo detectors. ...
  • The needle in the 100 deg2 haystack: uncovering afterglows of fermi GRBs with the palomar transient factory 
    Singer, L. P; Kasliwal, M. M; Cenko, S. B; Perley, D. A; Anderson, G. E; Anupama, G. C; Arcavi, I; Bhalerao, V; Bue, B. D; Cao, Y; Connaughton, V; Corsi, A; Cucchiara, A; Fender, R. P; Fox, D. B; Gehrels, N; Goldstein, A; Gorosabel, J; Horesh, A; Hurley, K; Johansson, J; Kann, D. A; Kouveliotou, C; Huang, K; Kulkarni, S. R; Masci, F; Nugent, P; Rau, A; Rebbapragada, U. D; Staley, T. D; Svinkin, D; Thone, C. C; de Ugarte Postigo, A; Urata, Y; Weinstein, A (IOP Publishing, 2015-06)
    The Fermi Gamma-ray Space Telescope has greatly expanded the number and energy window of observations of gamma-ray bursts (GRBs). However, the coarse localizations of tens to a hundred square degrees provided by the Fermi ...
  • Thermal Gravitational Radiation from Stellar objects and its possible detection 
    Sivaram, C (Astronomical Society of India, 1984-12)

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