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- Smartt, S. J. (author)
Pan-STARRS and PESSTO search for an optical counterpart to the LIGO gravitational-wave source GW150914
- Article/chapterEnglish2016
Publisher, publication year, extent ...
- 2016-08-01
- Oxford University Press (OUP),2016
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:su-136260
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-136260URI
- https://doi.org/10.1093/mnras/stw1893DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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- We searched for an optical counterpart to the first gravitational-wave source discovered by LIGO (GW150914), using a combination of the Pan-STARRS1 wide-field telescope and the Public ESO Spectroscopic Survey of Transient Objects (PESSTO) spectroscopic follow-up programme. As the final LIGO sky maps changed during analysis, the total probability of the source being spatially coincident with our fields was finally only 4.2 per cent. Therefore, we discuss our results primarily as a demonstration of the survey capability of Pan-STARRS and spectroscopic capability of PESSTO. We mapped out 442 deg(2) of the northern sky region of the initial map. We discovered 56 astrophysical transients over a period of 41 d from the discovery of the source. Of these, 19 were spectroscopically classified and a further 13 have host galaxy redshifts. All transients appear to be fairly normal supernovae (SNe) and AGN variability and none is obviously linked with GW150914. We illustrate the sensitivity of our survey by defining parametrized light curves with time-scales of 4, 20 and 40 d and use the sensitivity of the Pan-STARRS1 images to set limits on the luminosities of possible sources. The Pan-STARRS1 images reach limiting magnitudes of iP1 = 19.2, 20.0 and 20.8, respectively, for the three time-scales. For long time-scale parametrized light curves (with full width half-maximum similar or equal to 40 d), we set upper limits of M-i <= -17.2(+1.4)(-0.9) if the distance to GW150914 is D-L = 400 +/- 200 Mpc. The number of Type Ia SN we find in the survey is similar to that expected from the cosmic SN rate, indicating a reasonably complete efficiency in recovering SN like transients out to D-L = 400 +/- 200 Mpc.
Subject headings and genre
- NATURVETENSKAP Fysik Astronomi, astrofysik och kosmologi hsv//swe
- NATURAL SCIENCES Physical Sciences Astronomy, Astrophysics and Cosmology hsv//eng
- gravitational waves
- stars: black holes
- gamma-ray burst: general
- stars: neutron
- supernovae: general
Added entries (persons, corporate bodies, meetings, titles ...)
- Chambers, K. C. (author)
- Smith, K. W. (author)
- Huber, M. E. (author)
- Young, D. R. (author)
- Cappellaro, E. (author)
- Wright, D. E. (author)
- Coughlin, M. (author)
- Schultz, A. S. B. (author)
- Denneau, L. (author)
- Flewelling, H. (author)
- Heinze, A. (author)
- Magnier, E. A. (author)
- Primak, N. (author)
- Rest, A. (author)
- Sherstyuk, A. (author)
- Stalder, B. (author)
- Stubbs, C. W. (author)
- Tonry, J. (author)
- Waters, C. (author)
- Willman, M. (author)
- Anderson, J. P. (author)
- Baltay, C. (author)
- Botticella, M. T. (author)
- Campbell, H. (author)
- Dennefeld, M. (author)
- Chen, T. -W. (author)
- Della Valle, M. (author)
- Elias-Rosa, N. (author)
- Fraser, M. (author)
- Inserra, C. (author)
- Kankare, E. (author)
- Kotak, R. (author)
- Kupfer, T. (author)
- Harmanen, J. (author)
- Galbany, L. (author)
- Gal-Yam, A. (author)
- Le Guillou, L. (author)
- Lyman, J. D. (author)
- Maguire, K. (author)
- Mitra, A. (author)
- Nicholl, M. (author)
- Olivares E, F. (author)
- Rabinowitz, D. (author)
- Razza, A. (author)
- Sollerman, JesperStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)solle (author)
- Smith, M. (author)
- Terreran, G. (author)
- Valenti, S. (author)
- Gibson, B. (author)
- Goggia, T. (author)
- Stockholms universitetInstitutionen för astronomi (creator_code:org_t)
Related titles
- In:Monthly notices of the Royal Astronomical Society: Oxford University Press (OUP)462:4, s. 4094-41160035-87111365-2966
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- Chambers, K. C.
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- Huber, M. E.
- Young, D. R.
- Cappellaro, E.
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- Wright, D. E.
- Coughlin, M.
- Schultz, A. S. B ...
- Denneau, L.
- Flewelling, H.
- Heinze, A.
- Magnier, E. A.
- Primak, N.
- Rest, A.
- Sherstyuk, A.
- Stalder, B.
- Stubbs, C. W.
- Tonry, J.
- Waters, C.
- Willman, M.
- Anderson, J. P.
- Baltay, C.
- Botticella, M. T ...
- Campbell, H.
- Dennefeld, M.
- Chen, T. -W.
- Della Valle, M.
- Elias-Rosa, N.
- Fraser, M.
- Inserra, C.
- Kankare, E.
- Kotak, R.
- Kupfer, T.
- Harmanen, J.
- Galbany, L.
- Gal-Yam, A.
- Le Guillou, L.
- Lyman, J. D.
- Maguire, K.
- Mitra, A.
- Nicholl, M.
- Olivares E, F.
- Rabinowitz, D.
- Razza, A.
- Sollerman, Jespe ...
- Smith, M.
- Terreran, G.
- Valenti, S.
- Gibson, B.
- Goggia, T.
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