{"paper":{"title":"Wide-band view of High Frequency QPOs of GRS 1915+105 in 'softer' variability classes observed with AstroSat","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Anuj Nandi (URSC), Bangalore), H. Sreehari (IIA, Mumbai), Nafisa Aftab (IIT Guwahati), Santabrata Das (IIT Guwahati), Seshadri Majumder (IIT Guwahati), Tilak Katoch (TIFR","submitted_at":"2022-03-05T11:30:29Z","abstract_excerpt":"We present a comprehensive temporal and spectral analysis of the 'softer' variability classes ($i.e.$, $\\theta$, $\\beta$, $\\delta$, $\\rho$, $\\kappa$, $\\omega$ and $\\gamma$) of the source GRS 1915+105 observed by AstroSat during $2016-2021$ campaign. Wide-band ($3-60$ keV) timing studies reveal the detection of High Frequency Quasi-periodic Oscillations (HFQPOs) with frequency of $68.14-72.32$ Hz, significance of $2.75-11 \\sigma$, and rms amplitude of $1.48-2.66\\%$ in $\\delta$, $\\kappa$, $\\omega$ and $\\gamma$ variability classes. Energy dependent power spectra impart that HFQPOs are detected on"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.02710","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2203.02710/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}