PUBLICATIONS

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FEATURED RESEARCH

Probing the extragalactic fast transient sky at minute time-scales with DECam
Andreoni, Igor; Cooke, Jeff;  Webb, Sara; Rest, Armin;  Pritchard, Tyler;  Caleb, Manisha;  Chang, Seo-Won.; Farah, Wael;  Lien, Amy;  Möller, Anais;  Ravasio, Maria E.;  Abbott, Timothy M. C.;  Bhandari, Shivani; Cucchiara, Antonino;  Flynn, Chris; Jankowski, Fabian; Keane, Evan F.;  Moriya, Takashi J.;  Onken, Chris A.; Parthasarathy, Aditya;  Price, Daniel C.;  Petroff, Emily;  Ryder, Stuart;  Vohl, Dany;  Wolf, Christian
Figures: Light curve of a fast optical transient candidate (note that the abscissa is in minutes!). Plot of the 3D phase space probed with DECam during the Deeper Wider Faster program. 
GROWTH on S190814bv: Deep Synoptic Limits on the Optical/Near-infrared Counterpart to a Neutron Star─Black Hole Merger
Andreoni, Igor; Goldstein, Daniel A.;  Kasliwal, Mansi M.;  Nugent, Peter E.; Zhou, Rongpu;  Newman, Jeffrey A.;  Bulla, Mattia;  Foucart, Francois; Hotokezaka, Kenta;  Nakar, Ehud;  Nissanke, Samaya;  Raaijmakers, Geert; Bloom, Joshua S.;  De, Kishalay;  Jencson, Jacob E.;  Ward, Charlotte; Ahumada, Tomás;  Anand, Shreya;  Buckley, David A. H.;  Caballero-García, Maria D. Castro-Tirado, Alberto J.;  Copperwheat, Christopher M.;  Coughlin, Michael W.; Cenko, S. Bradley;  Gromadzki, Mariusz;  Hu, Youdong;  Karambelkar, Viraj R.; Perley, Daniel A.;  Sharma, Yashvi;  Valeev, Azamat F.;  Cook, David O.; Fremling, U. Christoffer;  Kumar, Harsh;  Taggart, Kirsty;  Bagdasaryan, Ashot; Cooke, Jeff;  Dahiwale, Aishwarya;  Dhawan, Suhail;  Dobie, Dougal;  Gatkine, Pradip; Golkhou, V. Zach;  Goobar, Ariel;  Chaves, Andreas Guerra;  Hankins, Matthew; Kaplan, David L.;  Kong, Albert K. H.;  Kool, Erik C.;  Mohite, Siddharth; Sollerman, Jesper;  Tzanidakis, Anastasios;  Webb, Sara;  Zhang, Keming

Upper figure: The ejecta mass and viewing angle parameter space of GW190814 was constrained with DECam optical observations.
Left figure: Constraints on the parameter space of a 
black hole-neutron star binary
progenitor of GW190814
GROWTH on S190510g: DECam Observation Planning and Follow-up of a Distant Binary Neutron Star Merger Candidate

Andreoni, Igor; Goldstein, Daniel A.; Anand, Shreya; Coughlin, Michael W.; Singer, Leo P.; Ahumada, Tomás; Medford, Michael; Kool, Erik C.; Webb, Sara; Bulla, Mattia; Bloom, Joshua S.; Kasliwal, Mansi M.; Nugent, Peter E.; Bagdasaryan, Ashot; Barnes, Jennifer; Cook, David O.; Cooke, Jeff; Duev, Dmitry A.; Fremling, U. Christoffer; Gatkine, Pradip Golkhou, V. Zach; Kong, Albert K. H.; Mahabal, Ashish; Martínez-Palomera, Jorge; Tao, Duo; Zhang, Keming

Upper figure: The refined skymap of the S190510g gravitational wave event, with the circles representing the DECam observations that we performed. 
Left figure: Triangles indicate the observational constraints that we placed on transient emission like GW170817.
A strategy for LSST to unveil a population of kilonovae without gravitational-wave triggers

Andreoni, Igor; Anand, Shreya; Bianco, Federica B.; Cenko, Brad; Cowperthwaite, Philip; Coughlin, Michael W.; Drout, Maria; Golkhou, V. Zach; Kaplan, David; Mooley, Kunal P.; Pritchard, Tyler A.;

Singer, Leo P.; Webb, Sara

Figure: Light curve of the kilonova associated with the gravitational-wave event GW170817 sampled as if it was observed with LSST using the proposed cadence strategy.
Follow Up of GW170817 and Its Electromagnetic Counterpart
by Australian-Led Observing Programmes

Andreoni, I.;  Ackley, K.;  Cooke, J.;  Acharyya, A.;  Allison, J. R.;  Anderson, G. E.; Ashley, M. C. B.;  Baade, D.;  Bailes, M.;  Bannister, K.;  Beardsley, A.;  Bessell, M. S.; Bian, F.;  Bland, P. A.;  Boer, M.;  Booler, T.;  Brandeker, A.;  Brown, I. S.; Buckley, D. A. H.;  Chang, S. -W.  Coward, D. M.;  Crawford, S.;  Crisp, H.;  Crosse, B.; Cucchiara, A.;  Cupák, M.;  de Gois, J. S.;  Deller, A.;  Devillepoix, H. A. R.;  Dobie, D.; Elmer, E.;  Emrich, D.;  Farah, W.;  Farrell, T. J.;  Franzen, T.;  Gaensler, B. M.; Galloway, D. K.;  Gendre, B.;  Giblin, T.;  Goobar, A.;  Green, J.;  Hancock, P. J.; Hartig, B. A. D.;  Howell, E. J.;  Horsley, L.;  Hotan, A.;  Howie, R. M.;  Hu, L.;  Hu, Y.; James, C. W.;  Johnston, S.;  Johnston-Hollitt, M.;  Kaplan, D. L.;  Kasliwal, M.; Keane, E. F.;  Kenney, D.;  Klotz, A.;  Lau, R.;  Laugier, R.;  Lenc, E.;  Li, X.;  Liang, E.; Lidman, C.;  Luvaul, L. C.;  Lynch, C.;  Ma, B.;  Macpherson, D.;  Mao, J.; McClelland, D. E.;  McCully, C.;  Möller, A.;  Morales, M. F.;  Morris, D.;  Murphy, T.; Noysena, K.;  Onken, C. A.;  Orange, N. B.;  Osłowski, S.;  Pallot, D.;  Paxman, J.; Potter, S. B.;  Pritchard, T.;  Raja, W.;  Ridden-Harper, R.;  Romero-Colmenero, E.; Sadler, E. M.;  Sansom, E. K.;  Scalzo, R. A.;  Schmidt, B. P.;  Scott, S. M.; Seghouani, N.;  Shang, Z.;  Shannon, R. M.;  Shao, L.;  Shara, M. M.;  Sharp, R.; Sokolowski, M.;  Sollerman, J.;  Staff, J.;  Steele, K.;  Sun, T.;  Suntzeff, N. B.;  Tao, C.; Tingay, S.;  Towner, M. C.;  Thierry, P.;  Trott, C.;  Tucker, B. E.;  Väisänen, P.; Krishnan, V. Venkatraman;  Walker, M.;  Wang, L.;  Wang, X.;  Wayth, R.;  Whiting, M.; Williams, A.;  Williams, T.;  Wolf, C.;  Wu, C.;  Wu, X.;  Yang, J.;  Yuan, X.;  Zhang, H.; Zhou, J.;  Zovaro, H.

Figures: Detection image, rapidly-reddening spectra, and light curve of the GW170817 kilonova, the first discovered optical counterpart to a gravitational-wave signal. The Australian astronomical community teamed up to collect a rich dataset, including optical/near-infrared imaging and spectroscopy, radio imaging, and searches for fast radio bursts. 
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