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Courses
- FAFundamentals of Astronomy
- SFSEOPSeminiar with a Focus on Stellar Evolution from an Observational Perspective
- TATheoretical Astrophysics
- TPUThe Physical Universe
- ASPAstrophysics of Stars and Planets
- SStars
- SFSEOPSeminar with a Focus on Stellar Evolution from an Observational Perspective
Grants
- Disentangling the Origin of Dust in Type lln Supernovae
Principal Investigator (PI)
2023
$18.9K
Active - The Final Word on SN 2009ip: Is it Dead?
Principal Investigator (PI)
2022
$13.7K
Active - Shocks and Expanding Ejecta in Supernova 1987A
Principal Investigator (PI)
2022
$12.4K
Active - Using Supernova Progenitors to Determine the Mass Threshold for Black Hole Formation
Principal Investigator (PI)
2022
$12.1K
Active - From Supernova Progenitors to Ionizing Radiation - HST/COS Spectroscopy of Stripped Helium Stars
Principal Investigator (PI)
2022
$7.8K
Active - The Disappearing LBV in the Low Metallicity Galaxy PHL293B: Collapse to a Black Hole?
Principal Investigator (PI)
2021
$43.4K
Active - UV Spectroscopy of He Stars: The Elusive Stripped-Envelope Supernova Progenitors
Principal Investigator (PI)
2020
$64.4K
Active - Proper Motions and UV Spectroscopy of the MgII Nebula Around Eta Carinae
Principal Investigator (PI)
2020
$41.4K
Active - Flashlights:Many Extremely Magnified Individual Stars as Probes of Dark Matter and Stellar Populations to Redshift z~2
Principal Investigator (PI)
2020
$39.2K
Active - The Identification of Failed Supernovae
Co-Investigator (COI)
2019
$276.6K
Active
News
- Astronomers Uncover Clues to the Star that Wouldn't Die
2018
- The Supernova That Wasn't: A Tale of 3 Cosmic Eruptions
2016
- The Supernova That Cried Wolf
2013
- Echoes From an Exploding Star
2012
- Wildcat Alumni to Compete in This Year's Masters
2010
Publications (312)
- Ionized Carbon around IRC+10216
2022
- Infant-phase reddening by surface Fe-peak elements in a normal type Ia supernova
2022
- The Locus Algorithm: A novel technique for identifying optimised pointings for differential photometry
2022
- First Direct Detection Constraints on Planck-Scale Mass Dark Matter with Multiple-Scatter Signatures Using the DEAP-3600 Detector
2022
- Optical Rebrightening of Extragalactic Transients from the Zwicky Transient Facility
2022
- Massive stars dying alone: the remote environment of supernova 2010jp and its associated late-time source
2022
- Enormous explosion energy of Type IIP SN 2017gmr with bipolar $^{56$Ni ejecta}
2021
- Searches after Gravitational Waves Using ARizona Observatories (SAGUARO): Observations and Analysis from Advanced LIGO/Virgo's Third Observing Run
2021
- The Age of Westerlund 1 Revisited
2021
- The electron-capture origin of supernova 2018zd
2021
- Effect of binary evolution on the inferred initial and final core masses of hydrogen-rich, Type II supernova progenitors
2021
- A Bright Ultraviolet Excess in the Transitional 02es-like Type Ia Supernova 2019yvq
2021
- GRB 180418A: A Possibly Short Gamma-Ray Burst with a Wide-angle Outflow in a Faint Host Galaxy
2021
- Circumstellar Medium Constraints on the Environment of Two Nearby Type Ia Supernovae: SN 2017cbv and SN 2020nlb
2021
- A High-velocity Scatterer Revealed in the Thinning Ejecta of a Type II Supernova
2021
- Probing Kilonova Ejecta Properties Using a Catalog of Short Gamma-Ray Burst Observations
2021
- Simulating the formation of {ensuremath{eta} Carinae's surrounding nebula through unstable triple evolution and stellar merger-induced eruption}
2021
- The Blue Supergiant Progenitor of the Supernova Imposter AT 2019krl
2021
- SN2017jgh: a high-cadence complete shock cooling light curve of a SN IIb with the Kepler telescope
2021
- The Impact of Realistic Red Supergiant Mass Loss on Stellar Evolution
2021
- AT 2019qyl in NGC 300: Internal Collisions in the Early Outflow from a Very Fast Nova in a Symbiotic Binary
2021
- Revealing Efficient Dust Formation at Low Metallicity in Extragalactic Carbon-rich Wolf-Rayet Binaries
2021
- The Emirates Mars Mission (EMM) Emirates Mars InfraRed Spectrometer (EMIRS) Instrument
2021
- Supernova 2018cuf: A Type IIP Supernova with a Slow Fall from Plateau
2021
- Discovery of a 310 Day Period from the Enshrouded Massive System NaSt1 (WR 122)
2021
- The possible disappearance of a massive star in the low-metallicity galaxy PHL 293B
2020
- The slow demise of the long-lived SN 2005ip
2020
- Carbon Chain Depletion of 2I/Borisov
2020
- A new and unusual LBV-like outburst from a Wolf-Rayet star in the outskirts of M33
2020
- Massive Black Holes Regulated by Luminous Blue Variable Mass Loss and Magnetic Fields
2020
- High-resolution spectroscopy of SN 2017hcc and its blueshifted line profiles from post-shock dust formation
2020
- Erratum: Inferring the parallax of Westerlund 1 from Gaia DR2
2020
- Discovery and Rapid Follow-up Observations of the Unusual Type II SN 2018ivc in NGC 1068
2020
- SN 2014ab: an aspherical Type IIn supernova with low polarization
2020
- Inferring the parallax of Westerlund 1 from Gaia DR2
2020
- A new mass-loss rate prescription for red supergiants
2020
- Constraining the Source of the High-velocity Ejecta in Type Ia SN 2019ein
2020
- Predictions for the hydrogen-free ejecta of pulsational pair-instability supernovae
2020
- Photometric and Spectroscopic Properties of Type Ia Supernova 2018oh with Early Excess Emission from the Kepler 2 Observations
2019
- Discovery of an Intermediate-luminosity Red Transient in M51 and Its Likely Dust-obscured, Infrared-variable Progenitor
2019
- Nebular Hensuremath{alpha} Limits for Fast Declining SNe Ia
2019
- K2 Observations of SN 2018oh Reveal a Two-component Rising Light Curve for a Type Ia Supernova
2019
- The diverse lives of progenitors of hydrogen-rich core-collapse supernovae: the role of binary interaction
2019
- Observational Signature of Circumstellar Interaction and $^56$Ni-mixing in the Type II Supernova 2016gfy
2019
- The Type II superluminous SN 2008es at late times: near-infrared excess and circumstellar interaction
2019
- SN 2017gmr: An Energetic Type II-P Supernova with Asymmetries
2019
- The Type II-plateau Supernova 2017eaw in NGC 6946 and Its Red Supergiant Progenitor
2019
- Searching for Highly Magnified Stars at Cosmological Distances: Discovery of a Redshift 0.94 Blue Supergiant in Archival Images of the Galaxy Cluster MACS J0416.1-2403
2019
- Signatures of circumstellar interaction in the unusual transient AT 2018cow
2019
- The SPIRITS Sample of Luminous Infrared Transients: Uncovering Hidden Supernovae and Dusty Stellar Outbursts in Nearby Galaxies
2019
- The isolation of luminous blue variables resembles aging B-type supergiants, not the most massive unevolved stars
2019
- Searches after Gravitational Waves Using ARizona Observatories (SAGUARO): System Overview and First Results from Advanced LIGO/Virgotextquoterights Third Observing Run
2019
- Supernova 2014C: Ongoing Interaction with Extended Circumstellar Material with Silicate Dust
2019
- Ultraviolet Mg II emission from fast neutral ejecta around Eta Carinae
2019
- On the Gaia DR2 distances for Galactic luminous blue variables
2019
- A Search for Optical Emission from Binary Black Hole Merger GW170814 with the Dark Energy Camera
2019
- Discrepancies in the ages of young star clusters; evidence for mergers?
2019
- X-ray emission from SN 2012ca: A Type Ia-CSM supernova explosion in a dense surrounding medium
2018
- Extreme magnification of an individual star at redshift 1.5 by a galaxy-cluster lens
2018
- SOFIA/FORCAST Observations of the Luminous Blue Variable Candidates MN 90 and HD 168625
2018
- Strong late-time circumstellar interaction in the peculiar supernova iPTF14hls
2018
- Extreme isolation of WN3/O3 stars and implications for their evolutionary origin as the elusive stripped binaries
2018
- A surge of light at the birth of a supernova
2018
- ASASSN-15nx: A Luminous Type II Supernova with a ldquoPerfectrdquo Linear Decline
2018
- Exceptionally fast ejecta seen in light echoes of Eta Carinae's Great Eruption
2018
- Light echoes from the plateau in Eta Carinae's Great Eruption reveal a two-stage shock-powered event
2018
- A disrupted molecular torus around Eta Carinae as seen in $^{12$CO with ALMA}
2018
- SN2012ab: a peculiar Type IIn supernova with aspherical circumstellar material
2018
- The Type IIn Supernova SN 2010bt: The Explosion of a Star in Outburst
2018
- SN 2013fs and SN 2013fr: exploring the circumstellar-material diversity in Type II supernovae
2018
- SN 2017ein and the Possible First Identification of a Type Ic Supernova Progenitor
2018
- A radial velocity survey of the Carina Nebula's O-type stars
2018
- SPIRITS 16tn in NGC 3556: A Heavily Obscured and Low-luminosity Supernova at 8.8 Mpc
2018
- Ultraviolet Detection of the Binary Companion to the Type IIb SN 2001ig
2018
- Erratum: ldquoSN 2017ein and the Possible First Identification of a Type Ic Supernova Progenitorrdquo ( A href=``http://doi.org/10.3847/1538-4357/aac32c'' 2018, ApJ, 860, 90 /A )
2018
- Three Hypervelocity White Dwarfs in Gaia DR2: Evidence for Dynamically Driven Double-degenerate Double-detonation Type Ia Supernovae
2018
- Modelling luminous-blue-variable isolation
2017
- LOSS Revisited. II. The Relative Rates of Different Types of Supernovae Vary between Low- and High-mass Galaxies
2017
- Multiepoch Spectropolarimetry of SN 2011fe
2017
- SPIRITS: Uncovering Unusual Infrared Transients with Spitzer
2017
- Endurance of SN 2005ip after a decade: X-rays, radio and H{$alpha$ like SN 1988Z require long-lived pre-supernova mass-loss}
2017
- A moderately precise dynamical age for the Homunculus of Eta Carinae based on 13 years of HST imaging
2017
- Constraints on the Progenitor of SN 2010jl and Pre-existing Hot Dust in its Surrounding Medium
2017
- The dusty silhouette jet HH 1019 in the Carina Nebula
2017
- Multi-messenger Observations of a Binary Neutron Star Merger
2017
- Predicting the Presence of Companions for Stripped-envelope Supernovae: The Case of the Broad-lined Type Ic SN 2002ap
2017
- Luminous blue variables and the fates of very massive stars
2017
- Revisiting the Lick Observatory Supernova Search Volume-limited Sample: Updated Classifications and Revised Stripped-envelope Supernova Fractions
2017
- The nearby Type Ibn supernova 2015G: signatures of asymmetry and progenitor constraints
2017
- Ultraviolet spectroscopy of the blue supergiant SBW1: the remarkably weak wind of a SN 1987A analogue
2017
- Optical and IR observations of SN 2013L, a Type IIn Supernova surrounded by asymmetric CSM
2017
- The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/Virgo GW170817. IV. Detection of Near-infrared Signatures of r-process Nucleosynthesis with Gemini-South
2017
- Resolving the H{$alpha$-emitting Region in the Wind of $eta$ Carinae}
2017
- The Candidate Progenitor of the Type IIn SN 2010jl Is Not an Optically Luminous Star
2017
- A gravitational-wave standard siren measurement of the Hubble constant
2017
- Proper motions of collimated jets from intermediate-mass protostars in the Carina Nebula
2017
- Proper motions of five OB stars with candidate dusty bow shocks in the Carina Nebula
2017
- SPIRITS 15c and SPIRITS 14buu: Two Obscured Supernovae in the Nearby Star-forming Galaxy IC 2163
2017
- The Canonical Luminous Blue Variable AG Car and Its Neighbor Hen 3-519 are Much Closer than Previously Assumed
2017
- The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/Virgo GW170817. II. UV, Optical, and Near-infrared Light Curves and Comparison to Kilonova Models
2017
- Rising from the Ashes: Mid-infrared Re-brightening of the Impostor SN 2010da in NGC 300
2016
- Asymmetries in SN 2014J near Maximum Light Revealed through Spectropolarimetry
2016
- A DECam Search for an Optical Counterpart to the LIGO Gravitational-wave Event GW151226
2016
- Massive stars dying alone: the extremely remote environment of SN 2009ip
2016
- ALMA-resolved salt emission traces the chemical footprint and inner wind morphology of VY Canis Majoris
2016
- Ancient eruptions of {$eta$ Carinae: a tale written in proper motions}
2016
- The Persistent Eruption of UGC 2773-OT: finally, a decade-long extragalactic Eta Carinae analogue
2016
- Disappearance of the Progenitor of Supernova iPTF13bvn
2016
- Three-dimensional Distribution of Ejecta in Supernova 1987A at 10,000 Days
2016
- [Fe II] jets from intermediate-mass protostars in Carina
2016
- A Dark Energy Camera Search for an Optical Counterpart to the First Advanced LIGO Gravitational Wave Event GW150914
2016
- A Systematic Study of Mid-infrared Emission from Core-collapse Supernovae with SPIRITS
2016
- An optical and near-infrared study of the Type Ia/IIn Supernova PS15si
2016
- Massive star mergers and the recent transient in NGC 4490: a more massive cousin of V838 Mon and V1309 Sco
2016
- An Excess of Mid-infrared Emission from the Type Iax SN 2014dt
2016
- Solar abundances of rock-forming elements, extreme oxygen and hydrogen in a young polluted white dwarf
2016
- A Dark Energy Camera Search for Missing Supergiants in the LMC after the Advanced LIGO Gravitational-wave Event GW150914
2016
- The isolation of luminous blue variables: on subdividing the sample
2016
- The Afterglow and Early-type Host Galaxy of the Short GRB 150101B at z = 0.1343
2016
- On the Progenitor System of the Type Iax Supernova 2014dt in M6
2015
- Multiwavelength observations of NaSt1 (WR 122): equatorial mass loss and X-rays from an interacting Wolf-Rayet binary
2015
- Disentangling the outflow and protostars in HH 900 in the Carina Nebula
2015
- On the nature of Type IIn/Ia-CSM supernovae: optical and near-infrared spectra of SN 2012ca and SN 2013dn
2015
- Constraints on Type IIn supernova progenitor outbursts from the Lick Observatory Supernova Sea
2015
- Ultraviolet Spectroscopy of Type IIb Supernovae: Diversity and the Impact of Circumstellar Material
2015
- HH 666: different kinematics from H α and [Fe II] emission provide a missing link between jets and outflows
2015
- Observations of Type Ia Supernova 2014J with FLITECAM/SOFIA
2015
- A Machine-learning Method to Infer Fundamental Stellar Parameters from Photometric Light Curves
2015
- PTF11iqb: cool supergiant mass-loss that bridges the gap between Type IIn and normal supernovae
2015
- Spectropolarimetry of SN 2011dh in M51: geometric insights on a Type IIb supernova progenitor and explosion
2015
- A Survey of Irradiated Pillars, Globules, and Jets in the Carina Nebula
2015
- Mapping High-velocity Hα and Lyα Emission from Supernova 1987A
2015
- The Destruction of the Circumstellar Ring of SN 1987A
2015
- SOFIA/FORCAST Observations of Warm Dust in S106: A Fragmented Environment
2015
- Luminous blue variables are antisocial: their isolation implies that they are kicked mass gainers in binary evolution
2015
- Late-time spectroscopy of SN 2002hh: a continued visible light echo with no shock interaction yet
2015
- SN Hunt 248: a super-Eddington outburst from a massive cool hypergiant
2015
- What powers the 3000-day light curve of SN 2006gy?
2015
- The Supernova Spectropolarimetry Project: Evolution of Asymmetries in the Very Luminous Type Ib SN 2012au
2014
- SDSS1133: an unusually persistent transient in a nearby dwarf galaxy
2014
- The remarkably similar explosions of SN2009ip and SN2010mc, and the late fading of Type IIn supernovae
2014
- Powerful jets driven by intermediate-mass protostars in the Carina Nebula
2014
- The type IIb supernova 2013df and its cool supergiant progenitor
2014
- SN 2009ip and SN 2010mc: Core-collapse type IIn supernovae arising from blue supergiants
2014
- Spectropolarimetry of SN 2011fe
2014
- Kinematics of powerful jets from intermediate-mass protostars in the Carina Nebula
2014
- Sher 25: Pulsating but apparently alone
2014
- The Supernova Spectropolarimetry Project: Results from Multi-Epoch Observations of the Type IIn SN 2010jl
2014
- Light Echoes from Eta Carinae's Great Eruption: Spectrophotometric evolution and the rapid formation of nitrogen-rich molecules
2014
- Uncovering the putative B-star binary companion of theSN 1993J progenitor
2014
- The yellow hyper giant HR 5171A: Resolving a massive interacting binary in the common envelope phase
2014
- Preparing for an Explosion:Hydrodynamic instabilities and turbulence in presupernovae
2014
- Type IIb supernova SN 2011dh: Spectra and photometry from the ultraviolet to the near-infrared
2014
- Extended red objects and stellar-wind bow shocks in the Carina Nebula
2014
- The Supernova Spectropolarimetry Project: Photometric Followup in the Optical and Near- Infrared by the Mount Laguna Supernova Survey
2014
- Mass Loss: Its Effect on the Evolution and Fate of High-Mass Stars
2014
- Multi-epoch spectropolarimetry of SN 2009ip: direct evidence for aspherical circumstellar material
2014
- A model for the 19th century eruption of Eta Carinae: CSM interaction like a scaled-down type IIn supernova
2013
- The crab nebula and the class of type iin-p supernovae caused by sub-energetic electron-capture explosions
2013
- [Fe II] Emission Tracing Massive, Irradiated Jets from Intermediate-Mass Protostars in the Carina Nebula
2013
- [Fe II] Emission Tracing Dense Jets from Intermediate-mass Protostars in Carina
2013
- SN 2011ht: Confirming a class of interacting supernovae with plateau light curves (type IIn-P)
2013
- Spectrophotometric Evolution of Eta Carinae's Great Eruption
2013
- Extended Red Objects and Stellar Wind Bow Shocks in the Carina Nebula
2013
- Near-infrared spectroscopy of SN 2009ip's 2012 brightening reveals a dusty pre-supernova environment
2013
- The unprecedented 2012 outburst of SN 2009ip: A luminous blue variable star becomes a true supernova
2013
- The Nature of LBVs
2013
- The progenitor of supernova 2011dh has vanished
2013
- The Unprecedented Third Outburst of SN 2009ip: A Luminous Blue Variable Becomes a Supernova
2013
- Systematic blueshift of line profiles in the type IIn supernova 2010jl: Evidence for post-shock dust formation?
2012
- Spectroscopic Time-Series of Transients with Light Echoes
2012
- Discovery and early multi-wavelength measurements of the energetic type IC supernova ptf12gzk: A massive-star explosion in a dwarf host galaxy
2012
- Light echoes reveal an unexpectedly cool σ Carinae during its nineteenth-century Great Eruption
2012
- Supernova 1998S at 14 years postmortem: Continuing circumstellar interaction and dust formation
2012
- Rest et al. reply
2012
- SN 2010jp (PTF10aaxi): A jet in a Type II supernova
2012
- SN 2011hw: Helium-rich circumstellar gas and the luminous blue variable to Wolf-Rayet transition in supernova progenitors
2012
- SN2010jp: A Jet-Driven Type II Supernova
2012
- All Things Homunculus
2012
- The Supernova Spectropolarimetry Project; A Study of the Evolution of Aspherical Stellar Explosions
2012
- HST-COS observations of hydrogen, helium, carbon, and nitrogen emission from the SN 1987A reverse shock
2011
- SN 2010jp (PTF10aaxi): A jet-driven type II supernova
2011
- A pan-carina young stellar object catalog: Intermediate-mass young stellar objects in the Carina Nebula identified via mid-infrared excess emission
2011
- An introduction to the Chandra Carina Complex Project
2011
- Explosive outflows powered by the decay of non-hierarchical multiple systems of massive stars: Orion BN/KL
2011
- Luminous blue variable eruptions and related transients: Diversity of progenitors and outburst properties
2011
- Explosions triggered by violent binary-star collisions: Application to Eta Carinae and other eruptive transients
2011
- The massive progenitor of the possible type II-Linear supernova 2009hd in Messier 66
2011
- A disc inside the bipolar planetary nebula M2-9
2011
- Episodic mass loss in binary evolution to the Wolf-Rayet phase: Keck and HST proper motions of RY Scuti's nebula
2011
- A revised historical light curve of Eta Carinae and the timing of close periastron encounters
2011
- A massive progenitor of the luminous type IIn supernova 2010jl
2011
- Nearby supernova rates from the Lick Observatory Supernova Search - II. The observed luminosity functions and fractions of supernovae in a complete sample
2011
- X-ray star clusters in the Carina Complex
2011
- A Spitzer survey for dust in type IIn supernovae
2011
- X-ray illumination of the ejecta of supernova 1987A
2011
- Observed fractions of core-collapse supernova types and initial masses of their single and binary progenitor stars
2011
- A catalog of Chandra X-ray sources in the Carina Nebula
2011
- Penetrating the homunculus-near-infrared adaptive optics images of Eta Carinae
2011
- Numerical models of collisions between core-collapse supernovae and circumstellar shells
2010
- SN 2008iy: An unusual Type IIn Supernova with an enduring 400-d rise time
2010
- HH jets aligned perpendicular to elephant trunks
2010
- Erratum: On the progenitor of the type II-plateau SN 2008cn in NGC 4603 (ApJ (2009) 706 (1174))
2010
- Episodic post-shock dust formation in the colliding winds of Eta Carinae
2010
- Design and implementation of the NUV/optical widefield Star Formation Camera for the Theia observatory
2010
- Discovery of precursor luminous blue variable outbursts in two recent optical transients: The fitfully variable missing links UGC 2773-ot and SN 2009ip
2010
- New observations of the very luminous supernova 2006gy: Evidence for echoes
2010
- Eruptive outflow phases of massive stars
2010
- Spitzer space telescope observations of the Carina nebula: The steady march of feedback-driven star formation
2010
- Observing supernova 1987A with the refurbished hubble space telescope
2010
- HST/ACS Hα imaging of the Carina Nebula: Outflow activity traced by irradiated Herbig-Haro Jets
2010
- SN 2008S: A cool super-eddington wind in a supernova impostor
2009
- Massive star formation and feedback in W49A: The source of our Galaxy's most luminous water maser outflow
2009
- Improved standardization of type II-P supernovae: Application to an expanded sample
2009
- UV, IR, and MM studies of CO surrounding the red supergiant α orionis (M2 Iab)
2009
- Red supergiants as potential type IIn supernova progenitors: Spatially resolved 4.6 μm CO emission aroung VY CMa and betelgeuse
2009
- On the progenitor of the type II-plateau SN 2008cn in NGC 4603
2009
- The exceptionally luminous type II-linear supernova 2008es
2009
- Erratum: Spitzer space telescope infrared imaging and spectroscopy of the Crab nebula (The Astronomical Journal (2006) 132, (1610))
2009
- Possible detection of a pair instability supernova in the modern universe, and implications for the first stars
2008
- Late-time observations of SN 2006gy: Still going strong
2008
- Galactic twins of the ring nebula around SN1987A and a possible LBV-like phase for SK-69 202
2008
- On the role of the WNH phase in the evolution of very massive stars: Enabling the LBV instability with feedback
2008
- A three-decade outburst of the lmc luminous blue variable R127 draws to a close
2008
- Dust formation and He II λ4686 emission in the dense shell of the peculiar type Ib supernova 2006jc
2008
- The star formation observatory (SFO) mission to study cosmic origins near and far
2008
- A blast wave from the 1843 eruption of η Carinae
2008
- A study of H sub 2 /sub emission in three bipolar proto-planetary nebulae: IRAS 16594-4656, Hen 3-401, and Rob 22
2008
- The detection of a light echo from the type Ia supernova 2006X in M100
2008
- SN 2006tf: Precursor eruptions and the optically thick regime of extremely luminous type IIn supernovae
2008
- Galactic twins of the nebula around SN 1987A: Hints that LBVs may be supernova progenitors
2007
- The structure of the Homunculus. II. Modeling the physical conditions in η Carinae's molecular shell
2007
- Episodic mass loss and pre-SN circumstellar envelopes
2007
- High resolution spectroscopy of SN1987A's rings: He i λ 10830 and Hα from the hotspots
2007
- SN 2006jc: A Wolf-Rayet star exploding in a dense He-rich circumstellar medium
2007
- A silicate disk in the heart of the Ant
2007
- SN 2006gy: Discovery of the most luminous supernova ever recorded, powered by the death of an extremely massive star like η carinae
2007
- A census of the Carina Nebula - II. Energy budget and global properties of the nebulosity
2007
- Interstellar absorption-line evidence for high-velocity expanding structures in the Carina Nebula foreground
2007
- Shell-shocked diffusion model for the light curve of sn 2006gy
2007
- And in the darkness bind them: Equatorial rings, B[e] supergiants, and the waists of Bipolar Nebulae sup 1 /sup
2007
- Discovery of a nearby twin of SN 1987A'S nebula around the luminous blue variable HD 168625: Was SK - 69 202 an LBV?
2007
- A spectroscopic study of mass outflows in the interacting binary RY scuti
2007
- The structure of the homunculus. III. Forming a disk and bipolar lobes in a rotating surface explosion
2007
- Hubble space telescope observations of oxygen-rich supernova remnants in the magellanic clouds. III. WFPC2 imaging of the young, Crab-like supernova remnant SNR 0540-69.3
2006
- Evolution of the reverse shock emission from SNR 1987A
2006
- Using H sub 2 /sub emission to study the fast wind in proto-planetary nebulae
2006
- Spitzer space telescope infrared imaging and spectroscqpy of the Crab Nebula
2006
- [Ti II] and [Ni II] emission from the strontium filament of η Carinae
2006
- On the role of continuum-driven eruptions in the evolution of very massive stars and population III stars
2006
- Early infrared spectral development of V1187 scorpii (nova scorpii 2004 NO. 2)
2006
- Erratum: A census of the Carina Nebula - I. Cumulative energy input from massive stars (Monthly Notices of the Royal Atronomical Society (2006) 367 (763-772))
2006
- Cleaning up η Carinae: Detection of ammonia in the Homunculus Nebula
2006
- A census of the Carina Nebula - I. Cumulative energy input from massive stars
2006
- The structure of the Homunculus. I. Shape and latitude dependence from H sub 2 /sub and [Fe II] velocity maps of η Carinae
2006
- Infrared [Fe II] emission from P Cygni's nebula: Atomic data, mass, kinematics, and the 1600 AD outburst
2006
- Irradiated and bent jets in the Orion Nebula
2006
- The UV scattering halo of the central source associated with η carinae
2006
- The [O III] veil: Astropause of η Carinae's wind?
2005
- Kinematic structure of H sub 2 /sub and [Fe II] in the bipolar planetary nebula M2-9
2005
- Chandra Orion ultradeep project census of X-ray stars in the BN-KL and OMC-1S regions
2005
- Outflows in the Orion Nebula: HH 540 from the beehive proplyd
2005
- The reverse shock of SNR 1987A at 18 years after outburst
2005
- Bipolar symbiotic planetary nebulae in the thermal infrared: M2-9, Mz 3, and He 2-104
2005
- Discovery of a candidate protoplanetary disk around the embedded source IRc9 in Orion
2005
- Nearby regions of massive star formation
2005
- Opening the treasure Chest: A newborn star cluster emerges from its dust pillar in Carina
2005
- Simba observations of the keyhole nebula
2005
- New silhouette disks with reflection nebulae and outflows in the Orion Nebula and M43
2005
- Thermal dust emission from proplyds, unresolved disks, and shocks in the Orion Nebula
2005
- Doppler tomography of the Little Homunculus: High-resolution spectra of [Fe II] λ16 435 around Eta Carinae
2005
- HH 666: The axis of evil in the Carina Nebula
2004
- Spatially extended K I λ7699 emission in the nebula of VY CMa: Kinematics and geometry
2004
- The purple haze of ν Carinae: Binary-induced variability?
2004
- Thermal-infrared detection of optical outflow sources in OMC-1 South
2004
- Kinematics and ultraviolet to infrared morphology of the inner Homunculus of η Carinae
2004
- The missing luminous blue variables and the bistability jump
2004
- Identification of emission lines in the low-ionization strontium filament near Eta Carinae
2004
- Nitrogen and oxygen abundance variations in the outer ejecta of η Carinae: Evidence for recent chemical enrichment
2004
- Carina's defiant finger: HST observations of a photoevaporating globule in NGC 3372
2004
- The systemic velocity of eta Carinae
2004
- Waiting in the wings: Reflected X-ray emission from the Homunculus nebula
2004
- The integrated optical spectrum of the Crab nebula and evidence for its fading synchrotron continuum
2003
- Spatial distribution of near-infrared and optical emission properties in the bipolar nebula Menzel 3
2003
- The mysterious ring in the open cluster NGC 3572: Planetary nebula or photoevaporating globule?
2003
- Discovery of a little homunculus within the Homunculus Nebula of η Carinae
2003
- Latitude-dependent effects in the stellar wind of η Carinae
2003
- Numerous proplyd candidates in the harsh environment of the Carina Nebula
2003
- Crossing the yellow void: Spatially resolved spectroscopy of the post-red supergiant IRC +10420 and its circumstellar ejecta
2002
- Dissecting the Homunculus nebula around Eta Carinae with spatially resolved near-infrared spectroscopy
2002
- Infrared [Fe II] emission in the circumstellar nebulae of luminous blue variables
2002
- The WR+OB progenitor RY Scuti: Intensive spectroscopy of its compact double-ring nebula
2002
- Near-infrared and optical emission-line structure of the Keyhole Nebula in NGC 3372
2002
- Proper motion and excitation structure of the expanding ionized rings around RY Scuti
2001
- Post-eruption detection of variable 12 in NGC 2403 (SN 1954j): Another η Carinae variable
2001
- Thermal infrared imaging of the bipolar H II region S106
2001
- The shape and orientation of the Homunculus Nebula based on spectroscopic velocities
2001
- The shocking near-infrared spectrum of the Homunculus Nebula surrounding η Carinae
2001
- The asymmetric nebula surrounding the extreme red supergiant VY Canis Majoris
2001
- Keck LWS images of the compact nebula around RY Scuti in the thermal infrared
2001
- Large-scale structure of the Carina Nebula
2000
- A massive cool dust torus around η Carinae?
2000
- Recent changes in the near-ultraviolet and optical structure of η carinae
2000
- Thermal infrared imaging of ultracompact H II regions in W49A
2000
- Recent changes in the near-infrared structure of η Carinae
2000
- η Carinae: Testing a binary orbit model with the Hubble Space Telescopei/Space Telescope Imaging Spectrograph
2000
- Thermal infrared images of the remarkable young nearby multiple star HD 98800
1999
- Hubble Space Telescope images of the compact nebula around RY Scuti
1999
- η Carinae's second eruption and the light curves of the η Carinae variables
1999
- Proper motions in the ejecta of η Carinae with a 50 year baseline
1998
- The infrared morphology of nη Carinae
1998
- HST and infrared images of the circumstellar environment of the cool hypergiant IRC+10420
1997