246 citations · 2k across the 22 of their papers we have counts for
22 papers
The EDGE-CALIFA survey: The resolved star formation efficiency and local physical conditions
V. Villanueva, A. Bolatto, S. Vogel +14
We measure the star formation rate (SFR) per unit gas mass and the star formation efficiency (SFE for total gas, SFE for the molecular gas) in 81 nearby gal…
A wide field-of-view low-resolution spectrometer at APEX: instrument design and science forecast
The CONCERTO collaboration, P. Ade, M. Aravena +36
Characterise the large-scale structure in the Universe from present times to the high redshift epoch of reionisation is essential to constraining the cosmology, the history of star…
A hot and fast ultra-stripped supernova that likely formed a compact neutron star binary
K. De, M. M. Kasliwal, E. O. Ofek +24
Compact neutron star binary systems are produced from binary massive stars through stellar evolution involving up to two supernova explosions. The final stages in the formation of…
Sifting for Sapphires: Systematic Selection of Tidal Disruption Events in iPTF
T. Hung, S. Gezari, S. B. Cenko +15
We present results from a systematic selection of tidal disruption events (TDEs) in a wide-area (4800~deg), band, Intermediate Palomar Transient Factory (iPTF) experiment…
iPTF Survey for Cool Transients
S. M. Adams, N. Blagorodnova, M. M. Kasliwal +25
We performed a wide-area (2000 deg) g and I band experiment as part of a two month extension to the Intermediate Palomar Transient Factory. We discovered 36 extragalactic tra…
iPTF16asu: A Luminous, Rapidly-Evolving, and High-Velocity Supernova
L. Whitesides, R. Lunnan, M. M. Kasliwal +23
Wide-field surveys are discovering a growing number of rare transients whose physical origin is not yet well understood. Here, we present optical and UV data and analysis of iPTF16…
Preparing for advanced LIGO: A Star-Galaxy Separation Catalog for the Palomar Transient Factory
A. A. Miller, M. K. Kulkarni, Y. Cao +3
The search for fast optical transients, such as the expected electromagnetic counterparts to binary neutron star mergers, is riddled with false positives ranging from asteroids to…
The bumpy light curve of supernova iPTF13z
A. Nyholm, J. Sollerman, F. Taddia +10
A Type IIn supernova (SN) is dominated by the interaction of SN ejecta with the circumstellar medium (CSM). Some SNe IIn (e.g., SN 2006jd) have episodes of re-brightening ("bumps")…
iPTF16fnl: a faint and fast tidal disruption event in an E+A galaxy
N. Blagorodnova, S. Gezari, T. Hung +30
We present ground-based and \textit{Swift} observations of iPTF16fnl, a likely tidal disruption event (TDE) discovered by the intermediate Palomar Transient Factory (iPTF) survey a…
Two New Calcium-Rich Gap Transients in Group and Cluster Environments
R. Lunnan, M. M. Kasliwal, Y. Cao +20
We present the Palomar Transient Factory discoveries and the photometric and spectroscopic observations of PTF11kmb and PTF12bho. We show that both transients have properties consi…
iPTF16geu: A multiply imaged, gravitationally lensed type Ia supernova
A. Goobar, R. Amanullah, S. R. Kulkarni +31
We report the discovery of a multiply-imaged gravitationally lensed Type Ia supernova, iPTF16geu (SN 2016geu), at redshift . This phenomenon could be identified because th…
Common Envelope ejection for a Luminous Red Nova in M101
N. Blagorodnova, R. Kotak, J. Polshaw +30
We present the results of optical, near-infrared, and mid-infrared observations of M101 OT2015-1 (PSN J14021678+5426205), a luminous red transient in the Pinwheel galaxy (M101), sp…
iPTF Search for an Optical Counterpart to Gravitational Wave Trigger GW150914
M. M. Kasliwal, S. B. Cenko, L. P. Singer +28
The intermediate Palomar Transient Factory (iPTF) autonomously responded to and promptly tiled the error region of the first gravitational wave event GW150914 to search for an opti…
The Caltech-NRAO Stripe 82 Survey (CNSS) Paper I: The Pilot Radio Transient Survey In 50 deg
K. P. Mooley, G. Hallinan, S. Bourke +10
We have commenced a multi-year program, the Caltech-NRAO Stripe 82 Survey (CNSS), to search for radio transients with the Jansky VLA in the SDSS Stripe 82 region. The CNSS will del…
Flash Spectroscopy: Emission Lines from the Ionized Circumstellar Material around -Day-Old Type II Supernovae
D. Khazov, O. Yaron, A. Gal-Yam +24
Supernovae (SNe) embedded in dense circumstellar material (CSM) may show prominent emission lines in their early-time spectra ( days after the explosion), owing to recombi…
Radio observations of a sample of broad-lined type Ic supernovae discovered by PTF/iPTF: A search for relativistic explosions
A. Corsi, A. Gal-Yam, S. R. Kulkarni +15
Long duration gamma-ray bursts are a rare subclass of stripped-envelope core-collapse supernovae that launch collimated relativistic outflows (jets). All gamma-ray-burst-associated…
Detection of Broad H Emission Lines in the Late-time Spectra of a Hydrogen-poor Superluminous Supernova
Lin Yan, R. Quimby, E. Ofek +14
iPTF13ehe is a hydrogen-poor superluminous supernova (SLSN) at z=0.3434, with a slow-evolving light curve and spectral features similar to SN2007bi. It rises within (83-148)days (r…
Optical and near-infrared observations of SN 2013dx associated with GRB 130702A
V. L. Toy, S. B. Cenko, J. M. Silverman +33
We present optical and near-infrared light curves and optical spectra of SN 2013dx, associated with the nearby (redshift 0.145) gamma-ray burst GRB 130702A. The prompt isotropic ga…
Spitzer observations of SN 2014J and properties of mid-IR emission in Type Ia supernovae
J. Johansson, A. Goobar, M. M. Kasliwal +13
SN 2014J in M82 is the closest Type Ia supernova (SN Ia) in decades. The proximity allows for detailed studies of supernova physics and provides insights into the circumstellar and…
The peculiar extinction law of SN2014J measured with The Hubble Space Telescope
R. Amanullah, A. Goobar, J. Johansson +10
The wavelength-dependence of the extinction of Type Ia SN2014J in the nearby galaxy M82 has been measured using UV to near-IR photometry obtained with the Hubble Space Telescope, t…
SN2009ip: Constraints on the progenitor mass-loss rate
E. O. Ofek, L. Lin, C. Kouveliotou +4
Some supernovae (SNe) show evidence for mass-loss events taking place prior to their explosions. Measuring their pre-outburst mass-loss rates provide essential information regardin…
Analysis of the Early-Time Optical Spectra of SN 2011fe in M101
J. T. Parrent, D. A. Howell, B. Friesen +35
The nearby Type Ia supernova SN 2011fe in M101 (cz=241 km s^-1) provides a unique opportunity to study the early evolution of a "normal" Type Ia supernova, its compositional struct…