10-14 Jul 2017 St. Thomas (U.S. Virgin Islands)



Conference Schedule

Block schedule


Monday July 10th


14:00 – 16:00: Panel discussion with UVI undergrads (invite only)

17:00 – 19:00: Opening Reception


Tuesday July 11th


Session 1: 9:15 – 10:45

Chair: S. LaMassa

S. LaMassa - Welcome

A. Siemiginowska(P)– Plenary Talk

S. Kozlowski - Optical Variability of AGNs

Session I Poster Talks


Coffee break 10:45 – 11:30


Session 2: 11:30 – 13:00

AGN Variability, Reverberation Mapping

Chair: J. Runnoe

J. Dexter (I)- Variable and Changing Look AGN as probes of accretion physics

A. Bruce - Threading the microneedle

I. McGreer - Long-term variability of SDSS-RM quasars


Lunch 13:00 – 14:30


Session 3: 14:30 – 16:15

Extreme AGN Variability

Chair: N. Ross

J. Ruan (I) - The Origin and Utility of Changing-Look Quasars

M. Graham - The Extreme AGN Zoo: a CRTS perspective

D. Stern - Extremely Variable Quasars from CRTS and WISE

C. MacLeod - Spectroscopic Followup of Changing-Look Quasar Candidates

Coffee break 16:15 – 17:00


Topical Discussion 17:00 – 18:00

Discussion Leads: J. Runnoe & I. McGreer

Wednesday July 12th


Session 4: 9:15 – 10:45

Case Studies of Changing-Look AGN; Understanding how emission lines respond in Changing-Look AGN

Chair: C. MacLeod

M. Powell - Mrk 1018 returns to the shadows after 30 years as a Seyfert 1

J. Y. Koay - The changing-look AGN Mrk 590: radio variability, accretion flow, and gas fueling

J. Runnoe - The behavior of the broad Mg II emission line in changing-look quasars

D. Homan - Broad emission line variability on long timescales; Interpreting a complex BLR response


Coffee break 10:45 – 11:30


Session 5: 11:30 – 13:00

Microlensing, AGN lifetimes

Chair: C. Done

P. Lira - Reverberation Mapping of Luminous Quasars at High-z

L. Sartori - AGN variability on 10^4-10^5 yr timescales - the case of IC 2497 and Hanny’s Voorwerp

A.-C. Eilers - Lifetime of High Redshift Quasars

K. Ichikawa - Discovery of a dying AGN in Arp 187


Lunch: 13:00 – 14:30


Session 6: 14:30 – 16:15

TDEs - Observations & Physics

Chair: D. French

J. Guillochon (I) - Illuminating Black Holes with Tidal Disruption Events

S. van Velzen - Systematic investigations of stellar tidal disruption flares

W. P. Maksym - Results from Long-Term Monitoring of an X-ray Bright TDE at only 90 Mpc

N. Blagorodnova (I) - iPTF16fnl - a faint and fast TDE in an E+A galaxy


Coffee break: 16:15 – 17:00


Topical Discussion: 17:00 – 18:00

Discussion Leads: A. Lawrence & C. Done


Conference Banquet: 19:00 – 23:00


Thursday July 13th


Session 7: 11:45 – 13:00

How TDEs and AGN relate to host galaxies

Chair: J. Ruan

D. French - The Unusual Host Galaxies of Tidal Disruption Events

N. Stone - Rates of Tidal Disruption Flares in Post-Starburst Galaxies

N. Caplar - Optical variability of AGN in the Palomar Transient Factory Survey

Session II Poster Talks


Lunch 13:00 – 14:30


Session 8: 14:30 – 16:15

UV/X-ray/opticalvariability as probe of accretion physics

Chair: A. Lawrence

C. Done (I) - Insights on the Geometry and Physical Processes at Work in AGN from Reverberation

B. Liu - A theoretical study of the geometry of accretion flow in AGN

T. Hung - Wavelength-Dependent Variability of Active Galactic Nuclei in the UV and Optical from GALEX and Pan-STARRS1


Coffee break 16:15 – 17:00


Topical Discussion 17:00 – 18:00

Discussion Leads: C. MacLeod & P. Maksym


Friday July 14th


Session 9: 9:30 – 10:45

Disentangling variability from patchy obscuration and changes in accretion rate

Chair: B. Liu

T. J. Turner - X-ray timing constraints on AGN winds

S. Frederick - Investigating the Dramatic X-ray Variability of a Low-Redshift NLS1 with XMM-Newton and NuSTAR

L. Hernandez-Garcia - Unveiling the physics of AGN through X-ray variability


Coffee Break 10:45 – 11:30


Session 10: 11:30 – 13:00

Searches for TDEs with current & future facilities; Distinguishing variability from different classes of objects

Chair: S. van Velzen

K. Alexander (I) - Radio Observations of TDEs: Status and Prospects

P. Blanchard - PS16dtm: A Tidal Disruption Event in a Narrow-Line Seyfert 1 Galaxy

L. Yan - Mid-Infrared Light Curves of Tidal Disruption Event Candidates

A. Rest - Probing the high-z TDE population with WFIRST and JWST


Lunch 13:00 – 14:30


Session 11: 14:30 – 15:30

Searches for CLAGN based on optical & X-ray variability with current & future facilities

Chair: M. Graham

O. Shemmer (I) - Insights into the Supermassive Black-Hole Accretion Process from X-ray and Optical Time-Domain Surveys

A. Lawrence - AGN hypervariables in the LSST era


Coffee Break: 15:30 – 16:15


Conference Wrap-up: 16:15 – 17:00

Discussion Leads: N. Ross & S. LaMassa


Public Outreach Talk 19:00 – 20:00

A. Bruce, S. LaMassa

Poster Presentations


Session I: Tuesday – Wednesday

1.01 P. Sanchez (presented by P. Lira) - Characterization of AGN variability in the optical and near infrared regimes

1.02 C. Peters - Extensive Coverage of Radio AGN Variability with CHILES

1.03 E. Pouliasis - Identification of Active Galactic Nuclei through optical variability selection in GOODS South field

1.04 J. Esser - Dust formation in NGC 4151

1.05 N. Roth - The combined roles of gas kinematics and electron scattering in shaping the optical line profiles of TDEs

1.06 M. Schirmer – Powerful AGN driving massive outflows in two low-redshift Lyman-α blobs

Session II: Thursday - Friday

2.01 Z.-Y. Cai - An upgraded inhomogeneous disk model with tight inter-band correlations and lags

2.02 D. Pasham (presented by S. van Velzen) - Accretion--Jet coupling following the stellar tidal disruption flare ASASSN-14li

2.03 J. Webb - Multifrequency Blazar Microvariability as a tool to Investigate Relativistic Jet Flow

2.04 P. Rani - Measurements of Coronal Properties of Seyferts with NuSTAR

2.05 T. Wang - A comprehensive survey of Infrared flares in galaxies

2.06 L. Wyrzkowski (presented by S. Kozlowski) - Nuclear transients in OGLE and Gaia Surveys

2.07 J. Moreno - SDSS and K2 Variability Timescales: Damped Random Walk vs. Damped Harmonic Oscillator

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