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Lista de obras de Douglas L. Welch

A 421-d activity cycle in the BeX recurrent transient A0538-66 from MACHO monitoring

artículo científico publicado en 2001

A Hubble Space Telescope survey for novae in M87 – III. Are novae good standard candles 15 d after maximum brightness?

scholarly article

A Hubble Space Telescope survey for novae in M87. I. Light and color curves, spatial distributions, and the nova rate ⬇️

scholarly article

A binary lensing event toward the LMC: Observations and dark matter implications

A critical review of selected techniques for measuring extragalactic distances

article

A search for light variations in F and G-type supergiants. II

artículo científico publicado en 1981

A search for sub-km Kuiper belt objects with the method of serendipitous stellar occultations

scholarly article

AHubble Space TelescopeSurvey for Novae in M87. II. Snuffing out the Maximum Magnitude–Rate of Decline Relation for Novae as a Non-standard Candle, and a Prediction of the Existence of Ultrafast Novae

scientific article published in the Astrophysical Journal

APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings ⬇️

artículo científico publicado en 2014

An extremely bright echo associated with SN 2002hh ⬇️

artículo científico publicado en 2007

An improved calibration of the near-infrared period-luminosity relations for Cepheids ⬇️

artículo científico publicado en 1985

An infrared nebula associated with {delta} Cephei: evidence of mass loss? ⬇️

scientific article published in the Astrophysical Journal

Application of the trend filtering algorithm to the MACHO database

artículo científico publicado en 2009

Astrometry with the MACHO data archive. I. High proper motion stars toward the Galactic Bulge and Magellanic clouds ⬇️

scholarly article

Asymmetry in the outburst of SN 1987A detected using light echo spectroscopy ⬇️

artículo científico publicado en 2013

BVRI Light Curves for 29 Type IA Supernovae

artículo científico publicado en 1996

Calibration of the MACHO Photometry Database

Commission C27: Variable Stars†

Corrigendum: Worldwide variations in artificial skyglow

artículo científico publicado en 2015

Detection of Cepheid variables by the Infrared Astronomical Satellite

artículo científico publicado en 1986

Difference Image Analysis of Galactic Microlensing. I. Data Analysis ⬇️

artículo científico publicado en 1999

Difference Image Analysis of Galactic Microlensing. II. Microlensing Events

Direct confirmation of the asymmetry of the Cas A supernova with light echoes ⬇️

scientific article published in the Astrophysical Journal

Discovery of five new R Coronae Borealis stars in the MACHO Galactic Bulge database

artículo científico publicado en 2005

Evidence for Pulsation-Driven Mass Loss from δ Cephei

Evidence for pre-existing dust in the bright type IIn SN 2010jl

scientific article published in Astronomical Journal

First Detection of a Gravitational Microlensing Candidate toward the Small Magellanic Cloud ⬇️

artículo científico publicado en 1997

Further empirical evidence for the non-linearity of the period-luminosity relations as seen in the Large Magellanic Cloud Cepheids

artículo científico publicado en 2005

Galactic Bulge Microlensing Events from the MACHO Collaboration ⬇️

artículo científico publicado en 2005

Galactic cepheids with Spitzer. I. Leavitt law and colors

artículo científico publicado en 2009

Galactic cepheids with Spitzer. II. Search for extended infrared emission

artículo científico publicado en 2011

Geometry of the Large Magellanic Cloud Disk: Results from MACHO and the Two Micron All Sky Survey ⬇️

artículo científico publicado en 2004

Gravitational Microlensing Events Due to Stellar‐Mass Black Holes ⬇️

scientific article published in the Astrophysical Journal

High-amplitude {delta}-Scutis in the Large Magellanic Cloud

artículo científico publicado en 2010

Independent distance determinations to Milky Way Cepheids in open clusters and associations. 1: The binary Cepheid DL CAS in NGC 129

scientific article published in Astronomical Journal

Independent distance determinations to Milky Way Cepheids in open clusters and associations. III. CV Mon in Anon Van Den Bergh

artículo científico publicado en 1996

Is the Large Magellanic Cloud Microlensing Due to an Intervening Dwarf Galaxy? ⬇️

artículo científico publicado en 1997

JHK observations of classical Cepheids

scholarly article

Kuiper belt object occultations: expected rates, false positives, and survey design

Late-time light curves of type II supernovae: physical properties of supernovae and their environment ⬇️

artículo científico publicado en 2011

Leavitt variables : bright variable supergiants and their implications for the distance scale ⬇️

artículo científico publicado en 1985

Light Curves of Type Ia Supernovae from Near the Time of Explosion

artículo científico publicado en 2006

Light echoes from ancient supernovae in the Large Magellanic Cloud

artículo científico publicado en 2005

Light echoes from {eta} Carinae's great eruption: spectrophotometric evolution and the rapid formation of nitrogen-rich molecules ⬇️

Light echoes of transients and variables in the Local Universe

artículo científico publicado en 2012

Light echoes reveal an unexpectedly cool η Carinae during its nineteenth-century Great Eruption

artículo científico publicado en 2012

MACHO 96-LMC-2: lensing of a binary source in the Large Magellanic Cloud and constraints on the lensing object ⬇️

scientific article published in the Astrophysical Journal

MACHO Alert 95‐30: First Real‐Time Observation of Extended Source Effects in Gravitational Microlensing ⬇️

scientific article published in the Astrophysical Journal

MACHO Project Limits on Black Hole Dark Matter in the 1–30 [ITAL]M[/ITAL][TINF]⊙[/TINF] Range ⬇️

artículo científico publicado en 2001

MACHO Project Photometry of RR Lyrae Stars in the Sagittarius Dwarf Galaxy ⬇️

artículo científico publicado en 1997

Massive-star supernovae as major dust factories

artículo científico publicado en 2006

Microlensing Optical Depth toward the Galactic Bulge Using Clump Giants from the MACHO Survey ⬇️

scientific article published in the Astrophysical Journal

NSV 11154 Is a NewRCoronae Borealis Star

scholarly article

Near-infrared observations of Cepheids : the distance to M 33 ⬇️

artículo científico publicado en 1985

On the interpretation of supernova light echo profiles and spectra ⬇️

Optical identification of cepheids in 19 host galaxies of Type Ia supernovae and NGC 4258 with the Hubble Space Telescope ⬇️

artículo científico publicado en 2016

Photometric and spectroscopic evolution of the IIP SN 2007it to day 944 ⬇️

artículo científico publicado en 2011

Photometric variability of B- and A-type supergiants

artículo científico publicado en 1983

Pushing the boundaries of conventional core-collapse supernovae: the extremely energetic supernova SN 2003ma ⬇️

scientific article published in the Astrophysical Journal

Real-Time Detection and Multisite Observations of Gravitational Microlensing ⬇️

artículo científico publicado en 1996

Removing the microlensing blending-parallax degeneracy using source variability ⬇️

artículo científico publicado en 2006

Rest et al. reply

artículo científico publicado en 2012

SN 2007od: A TYPE IIP SUPERNOVA WITH CIRCUMSTELLAR INTERACTION ⬇️

artículo científico publicado en 2010

Scattered-Light Echoes from the Historical Galactic Supernovae Cassiopeia A and Tycho (SN 1572) ⬇️

artículo científico publicado en 2008

Spectral Identification of an Ancient Supernova Using Light Echoes in the Large Magellanic Cloud ⬇️

artículo científico publicado en 2008

Testing LMC Microlensing Scenarios: The Discrimination Power of the SuperMACHO Microlensing Survey ⬇️

artículo científico publicado en 2005

The Cepheids of NGC 1866: a precise benchmark for the extragalactic distance scale and stellar evolution from modernUBVIphotometry ⬇️

scholarly article

The Distance To IC 10 From Near-Infrared Observations of Cepheids

scientific article published in Astronomical Journal

The Hubble constant and Virgo cluster distance from observations of Cepheid variables

artículo científico publicado en 1994

The MACHO Project 9 Million Star Color-Magnitude Diagram of the Large Magellanic Cloud

artículo científico publicado en 2000

The MACHO Project LMC Variable Star Inventory. VII. The Discovery of RV Tauri Stars and New Type II Cepheids in the Large Magellanic Cloud

artículo científico publicado en 1998

The MACHO Project LMC Variable Star Inventory. VIII. The Recent Star Formation History of the Large Magellanic Cloud from the Cepheid Period Distribution

scientific article published in Astronomical Journal

The MACHO Project LMC Variable Star Inventory. X. The R Coronae Borealis Stars ⬇️

artículo científico publicado en 2001

The MACHO Project LMC Variable Star Inventory.II.LMC RR Lyrae Stars- Pulsational Characteristics and Indications of a Global Youth of the LMC

artículo científico publicado en 1996

The MACHO Project Large Magellanic Cloud Microlensing Results from the First Two Years and the Nature of the Galactic Dark Halo ⬇️

artículo científico publicado en 1997

The MACHO Project Large Magellanic Cloud Variable Star Inventory. IV. New R Coronae Borealis Stars ⬇️

scientific article published in the Astrophysical Journal

The MACHO Project Large Magellanic Cloud Variable Star Inventory. XI. Frequency Analysis of the Fundamental‐Mode RR Lyrae Stars ⬇️

artículo científico publicado en 2003

The MACHO Project Large Magellanic Cloud Variable‐Star Inventory. IX. Frequency Analysis of the First‐Overtone RR Lyrae Stars and the Indication for Nonradial Pulsations ⬇️

scientific article published in the Astrophysical Journal

The MACHO Project Sample of Galactic Bulge High‐Amplitude δ Scuti Stars: Pulsation Behavior and Stellar Properties ⬇️

artículo científico publicado en 2000

The MACHO Project: Microlensing Detection Efficiency

The MACHO Project: Microlensing Optical Depth toward the Galactic Bulge from Difference Image Analysis ⬇️

scientific article published in the Astrophysical Journal

The MACHO Project: Microlensing Results from 5.7 Years of Large Magellanic Cloud Observations ⬇️

artículo científico publicado en 2000

The MACHO project 2nd year LMC microlensing results and dark matter implications

The MACHO project LMC variable star inventory. 1: Beat Cepheids-conclusive evidence for the excitation of the second overtone in classical Cepheids

artículo científico publicado en 1995

The MACHO project LMC variable star inventory. V. Classification and orbits of 611 eclipsing binary stars

artículo científico publicado en 1997

The MACHO project LMC variable star inventory. VI. The second overtone mode of Cepheid pulsation from First/Second overtone beat Cepheids ⬇️

artículo científico publicado en 1999

The MACHO project Large Magellanic Cloud variable star inventory. III. Multimode RR Lyrae stars, distance to the large Magellanic Cloud, and age of the oldest stars ⬇️

artículo científico publicado en 1997

The MACHO project Large Magellanic Cloud variable star inventory. XII. Three cepheid variables in eclipsing binaries ⬇️

artículo científico publicado en 2002

The MACHO project Large Magellanic Cloud variable-star inventory. XIII. Fourier parameters for the first-overtone RR Lyrae variables and the LMC distance

article by Alcock C. et al published 2004 in The Astronomical Journal

The RR Lyrae Population of the Galactic Bulge from the MACHO Database: Mean Colors and Magnitudes ⬇️

artículo científico publicado en 1998

The SuperMACHO Microlensing Survey

The Zero Point of Extinction toward Baade's Window from RR Lyrae Stars ⬇️

artículo científico publicado en 1998

The destruction and survival of dust in the shell around SN 2008S

artículo científico publicado en 2010

The distance to NGC 6822 from infrared photometry of Cepheids ⬇️

artículo científico publicado en 1983

The effects of dust on the optical and infrared evolution of SN 2004et

artículo científico publicado en 2011

The nature of the companion to the eclipsing overtone cepheid MACHO 81.8997.87 ⬇️

artículo científico publicado en 2004

The ongoing pursuit of R Coronae Borealis stars: the ASAS-3 survey strikes again

artículo científico publicado en 2013

The orbit of the classical Cepheid U Aquilae

artículo científico publicado en 1987

V532 Oph is a new R Coronae Borealis star

Variability-selected Quasars in MACHO Project Magellanic Cloud Fields

artículo científico publicado en 2003

Variable stars in metal-rich globular clusters. II. NGC 6316

artículo científico publicado en 2003

Variable stars in metal-rich globular clusters. III. NGC 6539

artículo científico publicado en 2007

Variable stars in metal-rich globular clusters. IV. Long-period variables in NGC 6496 ⬇️

artículo científico publicado en 2015

Worldwide variations in artificial skyglow

artículo científico publicado en 2015

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