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Sökning: WFRF:(Dietrich Tim) > (2020-2023) > Optimizing serendip...

  • Almualla, MouzaAmer Univ Sharjah, Dept Phys, POB 26666, Sharjah, U Arab Emirates. (författare)

Optimizing serendipitous detections of kilonovae : cadence and filter selection

  • Artikel/kapitelEngelska2021

Förlag, utgivningsår, omfång ...

  • 2021-04-19
  • Oxford University Press (OUP),2021
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:kth-299174
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-299174URI
  • https://doi.org/10.1093/mnras/stab1090DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-196781URI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • QC 20220413
  • The rise of multimessenger astronomy has brought with it the need to exploit all available data streams and learn more about the astrophysical objects that fall within its breadth. One possible avenue is the search for serendipitous optical/near-infrared counterparts of gamma-ray bursts (GRBs) and gravitational-wave (GW) signals, known as kilonovae. With surveys such as the Zwicky Transient Facility (ZTF), which observes the sky with a cadence of similar to 3 d, the existing counterpart locations are likely to be observed; however, due to the significant amount of sky to explore, it is difficult to search for these fast-evolving candidates. Thus, it is beneficial to optimize the survey cadence for realtime kilonova identification and enable further photometric and spectroscopic observations. We explore how the cadence of wide field-of-view surveys like ZTF can be improved to facilitate such identifications. We show that with improved observational choices, e.g. the adoption of three epochs per night on a similar to nightly basis, and the prioritization of redder photometric bands, detection efficiencies improve by about a factor of two relative to the nominal cadence. We also provide realistic hypothetical constraints on the kilonova rate as a form of comparison between strategies, assuming that no kilonovae are detected throughout the long-term execution of the respective observing plan. These results demonstrate how an optimal use of ZTF increases the likelihood of kilonova discovery independent of GWs or GRBs, thereby allowing for a sensitive search with less interruption of its nominal cadence through Target of Opportunity programs.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Anand, ShreyaCALTECH, Div Phys Math & Astron, Pasadena, CA 91125 USA. (författare)
  • Coughlin, Michael W.Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA. (författare)
  • Dietrich, TimUniv Potsdam, Inst Phys & Astron, Karl Liebknecht Str 24-25, D-14476 Potsdam, Germany. (författare)
  • Guessoum, NidhalAmer Univ Sharjah, Dept Phys, POB 26666, Sharjah, U Arab Emirates. (författare)
  • Sagués Carracedo, AnaStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)anca9835 (författare)
  • Ahumada, TomasUniv Maryland, Dept Astron, College Pk, MD 20742 USA. (författare)
  • Andreoni, IgorCALTECH, Div Phys Math & Astron, Pasadena, CA 91125 USA. (författare)
  • Antier, SarahUniv Paris, Astroparticule & Cosmol, CNRS, F-75013 Paris, France. (författare)
  • Bellm, Eric C.Univ Washington, DIRAC Inst, Dept Astron, 3910 15th Ave NE, Seattle, WA 98195 USA. (författare)
  • Bulla, MattiaStockholms universitet,KTH,Nordic Institute for Theoretical Physics NORDITA,Stockholm Univ, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden.;Stockholm Univ, Oskar Klein Ctr, Dept Astron, AlbaNova, SE-10691 Stockholm, Sweden.,Nordiska institutet för teoretisk fysik (Nordita),Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)mbull (författare)
  • Singer, Leo P.NASA, Astrophys Sci Div, Goddard Space Flight Ctr, MC 661, Greenbelt, MD 20771 USA.;Univ Maryland, Joint Space Sci Inst, College Pk, MD 20742 USA. (författare)
  • Amer Univ Sharjah, Dept Phys, POB 26666, Sharjah, U Arab Emirates.CALTECH, Div Phys Math & Astron, Pasadena, CA 91125 USA. (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Monthly notices of the Royal Astronomical Society: Oxford University Press (OUP)504:2, s. 2822-28310035-87111365-2966

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