Browsing by Author "Milisavljevic, Danny"

Now showing items 1-20 of 21

    • The Afterglow and Environment of the Short Grb 111117a 

      Margutti, R; Berger, Edo; Fong, W; Zauderer, B; Cenko, S. B.; Greiner, J.; Soderberg, Alicia M.; Cucchiara, A.; Rossi, A.; Klose, S.; Schmidl, S.; Milisavljevic, Danny; Sanders, Nathan Edward (IOP Publishing, 2012)
      We present multi-wavelength observations of the afterglow of the short GRB 111117A, and follow-up observations of its host galaxy. From rapid optical and radio observations we place limits of r & 25.5 mag at δt ≈ 0.55 d ...

    • Hydrogen-Poor Superluminous Supernovae and Long-Duration Gamma-Ray Bursts Have Similar Host Galaxies 

      Lunnan, R.; Chornock, R.; Berger, Edo; Laskar, T.; Fong, W.; Rest, A.; Sanders, Nathan Edward; Challis, P. M.; Drout, M. R.; Foley, R. J.; Huber, M. E.; Kirshner, R. P.; Leibler, C.; Marion, G. H.; McCrum, M.; Milisavljevic, Danny; Narayan, G.; Scolnic, D.; Smartt, S. J.; Smith, K. W.; Soderberg, Alicia M.; Tonry, J. L.; Burgett, W. S.; Chambers, K. C.; Flewelling, H.; Hodapp, K. W.; Kaiser, N.; Magnier, E. A.; Price, P. A.; Wainscoat, R. J. (IOP Publishing, 2014)
      We present optical spectroscopy and optical/near-IR photometry of 31 host galaxies of hydrogenpoor superluminous supernovae (SLSNe), including 15 events from the Pan-STARRS1 Medium Deep Survey. Our sample spans the redshift ...

    • Metamorphosis of Sn 2014c: Delayed Interaction Between a Hydrogen Poor Core-Collapse Supernova and a Nearby Circumstellar Shell 

      Milisavljevic, Danny; Margutti, R; Kamble, Atish; Patnaude, Daniel James; Raymond, John Charles; Eldridge, J. J.; Fong, W.; Bietenholz, M.; Challis, Peter M.; Chornock, R; Drout, Maria Rebecca; Fransson, C.; Fesen, R. A.; Grindlay, Jonathan E.; Kirshner, Robert P.; Lunnan, R; Mackey, J.; Miller, George Franklin; Parrent, Jerod T.; Sanders, Nathan Edward; Soderberg, Alicia M.; Zauderer, B (IOP Publishing, 2015)
      We present optical observations of supernova SN 2014C, which underwent an unprecedented slow metamorphosis from H-poor type Ib to H-rich type IIn over the course of one year. The observed spectroscopic evolution is consistent ...

    • Optical spectroscopic observations of gamma-ray blazars candidates I: preliminary results 

      Paggi, A.; Milisavljevic, Danny; Masetti, N.; Jiménez-Bailón, E.; Chavushyan, V.; Massaro, F.; Giroletti, M.; Smith, Howard A.; Margutti, R.; Tosti, G.; Martínez-Galarza, J. R.; Otí-Floranes, H.; Landoni, M.; Grindlay, Jonathan E.; Funk, S. (IOP Publishing, 2014)
      A significant fraction (~30%) of the γ-ray sources listed in the second Fermi/LAT (2FGL) catalog is still of unknown origin, being not yet associated with counterparts at lower energies. Using the available information at ...

    • A Panchromatic View of the Restless Sn 2009ip Reveals the Explosive Ejection of a Massive Star Envelope 

      Margutti, R.; Milisavljevic, Danny; Soderberg, Alicia M.; Chornock, R; Zauderer, B; Murase, K.; Guidorzi, C.; Sanders, Nathan Edward; Kuin, P.; Fransson, C.; Levesque, E. M.; Chandra, P.; Berger, Edo; Bianco, F. B.; Brown, P. J.; Challis, P.; Chatzopoulos, E.; Cheung, C. C.; Choi, C.; Chomiuk, L.; Chugai, N.; Contreras, C.; Drout, M. R.; Fesen, R.; Foley, R. J.; Fong, W.; Friedman, A. S.; Gall, C.; Gehrels, N.; Hjorth, J.; Hsiao, E.; Kirshner, R.; Im, M.; Leloudas, G.; Lunnan, R.; Marion, G. H.; Martin, J.; Morrell, N.; Neugent, K. F.; Omodei, N.; Phillips, M. M.; Rest, A.; Silverman, J. M.; Strader, J.; Stritzinger, M. D.; Szalai, T.; Utterback, N. B.; Vinko, J.; Wheeler, J. C.; Arnett, D.; Campana, S.; Chevalier, R.; Ginsburg, A.; Kamble, A.; Roming, P. W. A.; Pritchard, T.; Stringfellow, G. (IOP Publishing, 2013)
      The double explosion of SN 2009ip in 2012 raises questions about our understanding of the late stages of massive star evolution. Here we present a comprehensive study of SN 2009ip during its remarkable rebrightenings. ...

    • PS1-10afx at z = 1.388: Pan-STARRS1 Discovery of a New Type of Superluminous Supernova 

      Chornock, Ryan T.; Berger, Edo; Rest, A.; Milisavljevic, Danny; Lunnan, Ragnhild; Foley, R. J.; Soderberg, Alicia M.; Smartt, S. J.; Burgasser, A. J.; Challis, Peter M.; Chomiuk, L.; Czekala, Ian Philip; Drout, Maria Rebecca; Fong, Wen-fai; Huber, M. E.; Kirshner, Robert P.; Leibler, C.; McLeod, Brian A.; Marion, G. H.; Narayan, Gautham Siddharth; Riess, A. G.; Roth, K. C.; Sanders, Nathan Edward; Scolnic, D.; Smith, K.; Stubbs, Christopher William; Tonry, J. L.; Valenti, S.; Burgett, W. S.; Chambers, K. C.; Hodapp, K. W.; Kaiser, N.; Kudritzki, R.-P.; Magnier, E. A.; Price, P. A. (American Astronomical Society, 2013)
      We present the Pan-STARRS1 discovery of PS1-10afx, a unique hydrogen-deficient superluminous supernova (SLSN) at redshift z = 1.388. The light curve peaked at z P1 = 21.7 mag, making PS1-10afx comparable to the most luminous ...

    • Ps1-10bzj: A Fast, Hydrogen-Poor Superluminous Supernova in a Metal Poor Host Galaxy 

      Lunnan, R; Chornock, R; Berger, Edo; Milisavljevic, Danny; Drout, Maria Rebecca; Sanders, Nathan Edward; Challis, P. M.; Czekala, I.; Foley, R. J.; Fong, W.; Huber, M. E.; Kirshner, R. P.; Leibler, C.; Marion, G. H.; McCrum, M.; Narayan, G.; Rest, A.; Roth, K. C.; Scolnic, D.; Smartt, S. J.; Smith, K.; Soderberg, Alicia M.; Stubbs, Christopher William; Tonry, J. L.; Burgett, W. S.; Chambers, K. C.; Kudritzki, R.-P.; Magnier, E. A.; Price, P. A. (IOP Publishing, 2013)
      We present observations and analysis of PS1-10bzj, a superluminous supernova (SLSN) discovered in the Pan-STARRS Medium Deep Survey at a redshift z = 0.650. Spectroscopically, PS1-10bzj is similar to the hydrogen-poor SLSNe ...

    • Ps1-12sk Is a Peculiar Supernova From a He-Rich Progenitor System in a Brightest Cluster Galaxy Environment 

      Sanders, Nathan Edward; Soderberg, Alicia M.; Foley, R. J.; Chornock, R; Milisavljevic, Danny; Margutti, R; Drout, Maria Rebecca; Moe, M; Berger, Edo; Brown, W. R.; Lunnan, R.; Smartt, S. J.; Fraser, M.; Kotak, R.; Magill, L.; Smith, K. W.; Wright, D.; Huang, K.; Urata, Y.; Mulchaey, J. S.; Rest, A.; Sand, D. J.; Chomiuk, L.; Friedman, A. S.; Kirshner, R. P.; Marion, G. H.; Tonry, J. L.; Burgett, W. S.; Chambers, K. C.; Hodapp, K. W.; Kudritzki, R. P.; Price, P. A. (IOP Publishing, 2013)
      We report on our discovery and observations of the Pan-STARRS1 supernova (SN) PS1-12sk, a transient with properties that indicate atypical star formation in its host galaxy cluster or pose a challenge to popular progenitor ...

    • PS1-14bj: A Hydrogen-poor Superluminous Supernova with a Long Rise and Slow Decay. 

      Lunnan, R.; Chornock, R.; Berger, Edo; Milisavljevic, Danny; Jones, D. O.; Rest, A.; Fong, W.; Fransson, C.; Margutti, R.; Drout, M. R.; Blanchard, Peter Kelly; Challis, P.; Cowperthwaite, Philip Steven; Foley, R. J.; Kirshner, Robert P.; Morrell, N.; Riess, A. G.; Roth, K. C.; Scolnic, D.; Smartt, S. J.; Smith, K. W.; Villar, Victoria Ashley; Chambers, K. C.; Draper, P. W.; Huber, M. E.; Kaiser, N.; Kudritzki, R.-P.; Magnier, E. A.; Metcalfe, N.; Waters, C. (American Astronomical Society, 2016)
      We present photometry and spectroscopy of PS1-14bj, a hydrogen-poor superluminous supernova (SLSN) at redshift z = 0.5215 discovered in the last months of the Pan-STARRS1 Medium Deep Survey. PS1-14bj stands out by its ...

    • Rapidly evolving and luminous transients from Pan-STARRS1 

      Drout, Maria Rebecca; Chornock, R; Soderberg, Alicia M.; Sanders, Nathan Edward; McKinnon, R.; Rest, Armin Wolfgang; Foley, R. J.; Milisavljevic, Danny; Margutti, R; Berger, Edo; Calkins, Michael Lee; Fong, W; Gezari, S.; Huber, M. E.; Kankare, E.; Kirshner, Robert P.; Leibler, C.; Lunnan, R; Mattila, S.; Marion, G. H.; Narayan, Gautham Siddharth; Riess, A. G.; Roth, K. C.; Scolnic, D.; Smartt, S. J.; Tonry, J. L.; Burgett, W. S.; Chambers, K. C.; Hodapp, K. W.; Jedicke, R.; Kaiser, N.; Magnier, E. A.; Metcalfe, N.; Morgan, J. S.; Price, P. A.; Waters, C. (IOP Publishing, 2014)
      In the past decade, several rapidly evolving transients have been discovered whose timescales and luminosities are not easily explained by traditional supernovae (SNe) models. The sample size of these objects has remained ...

    • Rapidly-Evolving and Luminous Transients From Pan-Starrs1 

      Drout, M. R.; Chornock, R.; Soderberg, Alicia M.; Sanders, Nathan Edward; McKinnon, R.; Rest, A.; Foley, R. J.; Milisavljevic, Danny; Margutti, R.; Berger, Edo; Calkins, M.; Fong, W.; Gezari, S.; Huber, M. E.; Kankare, E.; Kirshner, R. P.; Leibler, C.; Lunnan, R.; Mattila, S.; Marion, G. H.; Narayan, G.; Riess, A. G.; Roth, K. C.; Scolnic, D.; Smartt, S. J.; Tonry, J. L.; Burgett, W. S.; Chambers, K. C.; Hodapp, K. W.; Jedicke, R.; Kaiser, N.; Magnier, E. A.; Metcalfe, N.; Morgan, J. S.; Price, P. A.; Waters, C. (IOP Publishing, 2014)
      In the past decade, several rapidly-evolving transients have been discovered whose timescales and luminosities are not easily explained by traditional supernovae (SN) models. The sample size of these objects has remained ...

    • Slowly Fading Super-Luminous Supernovae That Are Not Pair-Instability Explosions 

      Nicholl, M.; Smartt, S. J.; Jerkstrand, A.; Inserra, C.; McCrum, M.; Kotak, R.; Fraser, M.; Wright, D.; Chen, T.-W.; Smith, K.; Young, D. R.; Sim, S. A.; Valenti, S.; Howell, D. A.; Bresolin, F.; Kudritzki, R. P.; Tonry, J. L.; Huber, M. E.; Rest, A.; Pastorello, A.; Tomasella, L.; Cappellaro, E.; Benetti, S.; Mattila, S.; Kankare, E.; Kangas, T.; Leloudas, G.; Sollerman, J.; Taddia, F.; Berger, E.; Chornock, Ryan T.; Narayan, Gautham Siddharth; Stubbs, Christopher William; Foley, R. J.; Lunnan, Ragnhild; Soderberg, Alicia M.; Sanders, Nathan Edward; Milisavljevic, Danny; Margutti, Raffaella; Kirshner, Robert P.; Elias-Rosa, N.; Morales-Garoffolo, A.; Taubenberger, S.; Botticella, M. T.; Gezari, S.; Urata, Y.; Rodney, S.; Riess, A. G.; Scolnic, D.; Wood-Vasey, W. M.; Burgett, W. S.; Chambers, K.; Flewelling, H. A.; Magnier, E. A.; Kaiser, N.; Metcalfe, N.; Morgan, J.; Price, P. A.; Sweeney, W.; Waters, C. (Nature Publishing Group, 2013)
      Super-luminous supernovae that radiate more than 10\(^{44}\) ergs per second at their peak luminosity have recently been discovered in faint galaxies at redshifts of 0.1–4. Some evolve slowly, resembling models of ...

    • Sn 2012au: A Golden Link Between Superluminous Supernovae and Their Lower-Luminosity Counterparts 

      Milisavljevic, Danny; Soderberg, Alicia M.; Margutti, Raffaella; Drout, Maria Rebecca; Marion, G. Howie; Sanders, Nathan Edward; Hsiao, Eric Y.; Lunnan, Ragnhild; Chornock, Ryan; Fesen, Robert A.; Parrent, Jerod T.; Levesque, Emily M.; Berger, Edo; Foley, Ryan J.; Challis, Pete; Kirshner, Robert P.; Dittmann, Jason Adam; Bieryla, Allyson; Kamble, Atish; Chakraborti, Sayan; De Rosa, Gisella; Fausnaugh, Michael; Hainline, Kevin N.; Chen, Chien-Ting; Hickox, Ryan C.; Morrell, Nidia; Phillips, Mark M.; Stritzinger, Maximilian (IOP Publishing, 2013)
      We present optical and near-infrared observations of SN 2012au, a slow-evolving supernova (SN) with properties that suggest a link between subsets of energetic and H-poor SNe and superluminous SNe. SN 2012au exhibited ...

    • A Spectroscopic Study of Type Ibc Supernova Host Galaxies From Untargeted Surveys 

      Sanders, Nathan Edward; Soderberg, Alicia M.; Levesque, E. M.; Foley, R. J.; Chornock, R; Milisavljevic, Danny; Margutti, R; Berger, Edo; Drout, Maria Rebecca; Czekala, Ian Philip; Dittmann, Jason Adam (IOP Publishing, 2012)
      We present the first spectroscopic study of the host environments of Type Ibc supernovae (SN Ibc) discovered exclusively by untargeted SN searches. Past studies of SN Ibc host environments have been biased towards high-mass, ...

    • The superluminous supernova PS1-11ap: bridging the gap between low and high redshift 

      McCrum, M.; Smartt, S. J.; Kotak, R.; Rest, A.; Jerkstrand, A.; Inserra, C.; Rodney, S. A.; Chen, T.- W.; Howell, D. A.; Huber, M. E.; Pastorello, A.; Tonry, J. L.; Bresolin, F.; Kudritzki, R.- P.; Chornock, R.; Berger, Edo; Smith, K.; Botticella, M. T.; Foley, R. J.; Fraser, M.; Milisavljevic, Danny; Nicholl, M.; Riess, A. G.; Stubbs, Christopher William; Valenti, S.; Wood-Vasey, W. M.; Wright, D.; Young, D. R.; Drout, Maria Rebecca; Czekala, Ian Philip; Burgett, W. S.; Chambers, K. C.; Draper, P.; Flewelling, H.; Hodapp, K. W.; Kaiser, N.; Magnier, E. A.; Metcalfe, N.; Price, P. A.; Sweeney, W.; Wainscoat, R. J. (Oxford University Press (OUP), 2013)
      We present optical photometric and spectroscopic coverage of the superluminous supernova (SLSN) PS1-11ap, discovered with the Pan-STARRS1 Medium Deep Survey at z = 0.524. This intrinsically blue transient rose slowly to ...

    • Systematic Uncertainties Associated with the Cosmological Analysis of the First Pan-STARRS1 Type Ia Supernova Sample 

      Scolnic, D.; Rest, A.; Riess, A.; Huber, M. E.; Foley, R. J.; Brout, D.; Chornock, R.; Narayan, G.; Tonry, J. L.; Berger, Edo; Soderberg, Alicia M.; Stubbs, Christopher William; Kirshner, Robert P.; Rodney, S.; Smartt, S. J.; Schlafly, E.; Botticella, M. T.; Challis, P.; Czekala, I.; Drout, M.; Hudson, M. J.; Kotak, R.; Leibler, C.; Lunnan, R.; Marion, G. H.; McCrum, M.; Milisavljevic, Danny; Pastorello, A.; Sanders, Nathan Edward; Smith, K.; Stafford, E.; Thilker, D.; Valenti, S.; Wood-Vasey, W. M.; Zheng, Z.; Burgett, W. S.; Chambers, K. C.; Denneau, L.; Draper, P. W.; Flewelling, H.; Hodapp, K. W.; Kaiser, N.; Kudritzki, R.-P.; Magnier, E. A.; Metcalfe, N.; Price, P. A.; Sweeney, W.; Wainscoat, R.; Waters, C. (IOP Publishing, 2014)
      We probe the systematic uncertainties from the 113 Type Ia supernovae (SN Ia) in the Pan-STARRS1 (PS1) sample along with 197 SN Ia from a combination of low-redshift surveys. The companion paper by Rest et al. (2013) ...

    • Toward Characterization of the Type IIP Supernova Progenitor Population: A Statistical Sample of Light Curves from Pan-STARRS1 

      Sanders, Nathan Edward; Soderberg, Alicia M.; Gezari, S.; Betancourt, M.; Chornock, R; Berger, Edo; Foley, R. J.; Challis, Peter M.; Drout, Maria Rebecca; Kirshner, Robert P.; Lunnan, R; Marion, G. H.; Margutti, R; McKinnon, R.; Milisavljevic, Danny; Narayan, G.; Rest, A.; Kankare, E.; Mattila, S.; Smartt, S. J.; Huber, M. E.; Burgett, W. S.; Draper, P.W.; Hodapp, K. W.; Kaiser, N.; Kudritzki, R. P.; Magnier, E. A.; Metcalfe, N.; Morgan, J. S.; Price, P. A.; Tonry, J. L.; Wainscoat, R. J.; Waters, C. (IOP Publishing, 2015)
      In recent years, wide-field sky surveys providing deep multiband imaging have presented a new path for indirectly characterizing the progenitor populations of core-collapse supernovae (SNe): systematic light-curve studies. ...

    • Ultra-Luminous Supernovae as a New Probe of the Interstellar Medium in Distant Galaxies 

      Berger, Edo; Chornock, R; Lunnan, R.; Foley, R.; Czekala, Ian Philip; Rest, A.; Leibler, C.; Soderberg, Alicia M.; Roth, K.; Narayan, G.; Huber, M. E.; Milisavljevic, Danny; Sanders, Nathan Edward; Drout, M.; Margutti, R.; Kirshner, Robert P.; Marion, G. H.; Challis, P. J.; Riess, A. G.; Smartt, S. J.; Burgett, W. S.; Hodapp, K. W.; Heasley, J. N.; Kaiser, N.; Kudritzki, R.-P.; Magnier, E. A.; McCrum, M.; Price, P. A.; Smith, K.; Tonry, J. L.; Wainscoat, R. J. (IOP Publishing, 2012)
      We present the Pan-STARRS1 discovery and light curves, and follow-up MMT and Gemini spectroscopy of an ultra-luminous supernova (ULSN; dubbed PS1-11bam) at a redshift of z = 1.566 with a peak brightness of MUV ≈ −22.3 mag. ...

    • An Ultraviolet Excess in the Superluminous Supernova Gaia16apd Reveals a Powerful Central Engine 

      Nicholl, Matthew R.; Berger, Edo; Margutti, R; Blanchard, Peter Kelly; Milisavljevic, Danny; Challis, Peter M.; Metzger, B.D.; Chornock, R. (American Astronomical Society, 2017)
      Since the discovery of superluminous supernovae (SLSNe) in the last decade, it has been known that these events exhibit bluer spectral energy distributions than other supernova subtypes, with significant output in the ...

    • X-Rays from the Location of the Double-humped Transient ASASSN-15lh 

      Margutti, R; Metzger, B. D.; Chornock, R; Milisavljevic, Danny; Berger, Edo; Blanchard, Peter Kelly; Guidorzi, C.; Migliori, G.; Kamble, Atish; Lunnan, R; Nicholl, Matthew R.; Coppejans, D. L.; Dall’Osso, S.; Drout, M. R.; Perna, R.; Sbarufatti, B. (American Astronomical Society, 2017)
      We present the detection of persistent soft X-ray radiation with ${L}_{x}\sim {10}^{41}$–1042 erg s–1 at the location of the extremely luminous, double-humped transient ASASSN-15lh as revealed by Chandra and Swift. We ...