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121.
Astrofizikalni tranzienti
Andreja Gomboc, 2019, objavljeni povzetek znanstvenega prispevka na konferenci (vabljeno predavanje)

Ključne besede: astronomija, teleskopi, sateliti, tranzientni pojavi
Objavljeno v RUNG: 16.12.2019; Ogledov: 2432; Prenosov: 0
Gradivo ima več datotek! Več...

122.
Mechanisms of GRB prompt and afterglow emission
Andreja Gomboc, 2019, objavljeni povzetek znanstvenega prispevka na konferenci (vabljeno predavanje)

Ključne besede: izbruhi sevanja gama, galaksije, gravitacijski valovi, teleskopi
Objavljeno v RUNG: 31.07.2019; Ogledov: 3300; Prenosov: 0
Gradivo ima več datotek! Več...

123.
A robotic pipeline for fast GRB followup with the Las Cumbrés observatory network
Andreja Gomboc, 2019, izvirni znanstveni članek

Ključne besede: izbruhi sevanja gama, teleskopi, mreža teleskopov
Objavljeno v RUNG: 31.07.2019; Ogledov: 3014; Prenosov: 0
Gradivo ima več datotek! Več...

124.
Black holes, gravitational waves and fundamental physics: a roadmap
Leor Barack, Tanja Petrushevska, Andreja Gomboc, Katja Bricman, Aurora Clerici, Christopher Eckner, Nada Ihanec, Gabrijela Zaharijas, 2019, pregledni znanstveni članek

Opis: The grand challenges of contemporary fundamental physics—dark matter, dark energy, vacuum energy, inflation and early universe cosmology, singularities and the hierarchy problem—all involve gravity as a key component. And of all gravitational phenomena, black holes stand out in their elegant simplicity, while harbouring some of the most remarkable predictions of General Relativity: event horizons, singularities and ergoregions. The hitherto invisible landscape of the gravitational Universe is being unveiled before our eyes: the historical direct detection of gravitational waves by the LIGO-Virgo collaboration marks the dawn of a new era of scientific exploration. Gravitational-wave astronomy will allow us to test models of black hole formation, growth and evolution, as well as models of gravitational-wave generation and propagation. It will provide evidence for event horizons and ergoregions, test the theory of General Relativity itself, and may reveal the existence of new fundamental fields. The synthesis of these results has the potential to radically reshape our understanding of the cosmos and of the laws of Nature. The purpose of this work is to present a concise, yet comprehensive overview of the state of the art in the relevant fields of research, summarize important open problems, and lay out a roadmap for future progress. This write-up is an initiative taken within the framework of the European Action on 'Black holes, Gravitational waves and Fundamental Physics.
Ključne besede: black holes, gwverse
Objavljeno v RUNG: 24.06.2019; Ogledov: 3455; Prenosov: 0
Gradivo ima več datotek! Več...

125.
The fraction of ionizing radiation from massive stars that escapes to the intergalactic medium
Andreja Gomboc, 2019, izvirni znanstveni članek

Ključne besede: izbruhi sevanja gama, spektroskopija, optična astronomija
Objavljeno v RUNG: 23.05.2019; Ogledov: 2969; Prenosov: 0
Gradivo ima več datotek! Več...

126.
The X-shooter GRB afterglow legacy sample (XS-GRB)
Andreja Gomboc, 2019, izvirni znanstveni članek

Ključne besede: izbruhi sevanja gama, spektroskopija, optična astronomija
Objavljeno v RUNG: 23.05.2019; Ogledov: 2588; Prenosov: 0
Gradivo ima več datotek! Več...

127.
An Unexpectedly Small Emission Region Size Inferred from Strong High-frequency Diffractive Scintillation in GRB 161219B
Andreja Gomboc, 2019, izvirni znanstveni članek

Ključne besede: izbruhi sevanja gama, radijska astronomija, optična astronomija
Objavljeno v RUNG: 23.05.2019; Ogledov: 2733; Prenosov: 0
Gradivo ima več datotek! Več...

128.
Flares from the centers of galaxies with Gaia and OGLE surveys
Nada Ihanec, 2018, magistrsko delo

Opis: Modern wide-field-of-view and all-sky satellites (e.g. Gaia) and ground based surveys (e.g. OGLE) repeatedly cover a large part of the sky and are detecting new, transient astrophysical sources on daily basis. In this thesis I analyzed the data from Gaia and OGLE transient surveys, with special focus on transients located near the centres of galaxies to detect possible Tidal Disruption Events. These occur when a star gets too close to a Super-Massive Black Hole, which lurks in the centres of most galaxies, and gets disrupted due to the black hole's gravitational tidal forces. The goal of my research was to detect possible Tidal Disruption Events and eliminate false candidates, such as supernovae. The work involved daily inspection of new alerts, identified with Gaia and OGLE Transient Detection System. I searched for potential transients in galactic nuclei and in case there was such a transient detected, follow-up spectroscopic observations were initiated in order to help classify the object. During the course of my work I analyzed spectra obtained with the largest telescopes in the world (SALT, VLT) and performed the spectral template matching, recognition of spectral features related to known classes of transients, determination of redshift etc.
Ključne besede: Flares, transients, Gaia, OGLE, supernovae, tidal disruption events, nuclear transients
Objavljeno v RUNG: 14.05.2019; Ogledov: 4017; Prenosov: 131
.pdf Celotno besedilo (8,11 MB)

129.
GRB 180809B: LCO Sutherland observations.
Andreja Gomboc, 2018, drugi sestavni deli

Ključne besede: izbruhi sevanja gama, astronomska opazovanja
Objavljeno v RUNG: 08.01.2019; Ogledov: 3357; Prenosov: 0
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130.
GRB 180821A: LCO Siding Springs observations.
2018, drugi sestavni deli

Ključne besede: izbruhi sevanja gama, spektroskopija
Objavljeno v RUNG: 08.01.2019; Ogledov: 3233; Prenosov: 0
Gradivo ima več datotek! Več...

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