High-cadence observations of galactic nuclei by the future two-band UV-photometry mission QUVIK

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F25%3A00645233" target="_blank" >RIV/67985815:_____/25:00645233 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216224:14310/25:00144549

Výsledek na webu

<a href="https://hdl.handle.net/11104/0375071" target="_blank" >https://hdl.handle.net/11104/0375071</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1117/1.JATIS.11.4.042222" target="_blank" >10.1117/1.JATIS.11.4.042222</a>

Jazyk výsledku

angličtina

Název v původním jazyce

High-cadence observations of galactic nuclei by the future two-band UV-photometry mission QUVIK

Popis výsledku v původním jazyce

The Quick Ultra-VIolet Kilonova surveyor (QUVIK), a two-band ultraviolet (UV) space telescope approved for funding as a Czech national science and technology mission, will focus on detecting early UV light of kilonovae (KNe) (Werner et al., 2024). In addition, it will study the UV emission of stars and systems (Krtička et al., 2024) as well as the intense and variable emission of active galactic nuclei (AGN) or galactic nuclei activated by tidal disruption events (TDEs) (Zajaček et al., 2024). In this contribution, we describe the role of this small (similar to 30-cm diameter) UV telescope for studying bright, nearby AGN. With its NUV and FUV bands, the telescope will perform high-cadence (similar to 0.1 to 1 day) two-band photometric monitoring of nearby AGN (z<1), which will allow us to probe accretion disk sizes/temperature profiles via photometric reverberation mapping. Thanks to its versatility, QUVIK will be able to perform a moderately fast repointing (<20 min) to target candidates for TDEs. Early detection of the UV emission following a TDE optical flare, in combination with the subsequent two-band UV monitoring performed simultaneously with other observatories, will enable us to infer the time delay (or its lack of) between the optical, UV, and X-ray emission. In combination with theoretical models, it will be possible to shed more light on the origin of the UV/optical emission of TDEs. Furthermore, the two-band monitoring of nuclear transients will be beneficial in distinguishing between TDEs (nearly constant blue color) and supernovae (progressive reddening) in the era of intensive wide-field surveys.

Název v anglickém jazyce

High-cadence observations of galactic nuclei by the future two-band UV-photometry mission QUVIK

Popis výsledku anglicky

The Quick Ultra-VIolet Kilonova surveyor (QUVIK), a two-band ultraviolet (UV) space telescope approved for funding as a Czech national science and technology mission, will focus on detecting early UV light of kilonovae (KNe) (Werner et al., 2024). In addition, it will study the UV emission of stars and systems (Krtička et al., 2024) as well as the intense and variable emission of active galactic nuclei (AGN) or galactic nuclei activated by tidal disruption events (TDEs) (Zajaček et al., 2024). In this contribution, we describe the role of this small (similar to 30-cm diameter) UV telescope for studying bright, nearby AGN. With its NUV and FUV bands, the telescope will perform high-cadence (similar to 0.1 to 1 day) two-band photometric monitoring of nearby AGN (z<1), which will allow us to probe accretion disk sizes/temperature profiles via photometric reverberation mapping. Thanks to its versatility, QUVIK will be able to perform a moderately fast repointing (<20 min) to target candidates for TDEs. Early detection of the UV emission following a TDE optical flare, in combination with the subsequent two-band UV monitoring performed simultaneously with other observatories, will enable us to infer the time delay (or its lack of) between the optical, UV, and X-ray emission. In combination with theoretical models, it will be possible to shed more light on the origin of the UV/optical emission of TDEs. Furthermore, the two-band monitoring of nuclear transients will be beneficial in distinguishing between TDEs (nearly constant blue color) and supernovae (progressive reddening) in the era of intensive wide-field surveys.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10308 - Astronomy (including astrophysics,space science)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Astronomical Telescopes Instruments and Systems

ISSN

2329-4124

e-ISSN

2329-4221

Svazek periodika

11

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

24

Strana od-do

042222

Kód UT WoS článku

001654125500019

EID výsledku v databázi Scopus

2-s2.0-105026856253