Douglas L. Welch

occupation: researcher

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Articles 103

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2017-04-21

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

Tod R. Lauer, Douglas L. Welch, Ofer Yaron, Dina Prialnik
2017-11-16

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

Douglas L. Welch, Ofer Yaron, Dina Prialnik, Tod R. Lauer, Ashley Pagnotta
2016-02-18

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

Enzo Brocato, Gabriella Raimondo, Douglas L. Welch, Marco Molinaro
2016-11-08

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

Tod R. Lauer, Douglas L. Welch
2016-10-03

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

Ryan Chornock, Adam Riess, Alexei Filippenko, Douglas L. Welch, Rahman Amanullah, Ariel Goobar, Jeffrey Silverman, Lucas Macri, Samantha Hoffmann, Wenlong Yuan
2015

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

Douglas L. Welch
2015-02-12

Worldwide variations in artificial skyglow

Jonathan Bennie, Thomas W Davies, Georg Heygster, Franz Hölker, Richard Inger, Mireia Nievas Rosillo, Thomas Ruhtz, Jaime Zamorano, Kevin J. Gaston, Jürgen Fischer, Fabio Falchi, Helga U. Kuechly, Douglas L. Welch, Christopher Kyba, Kai Pong Tong, Ignacio Birriel, Andrew Cool, Rainer Ehlert, Andrea Giacomelli, Francesco Giubbilini, Marty Haaima, Phil Langill, Matthew R Nagy, Nobuaki Ochi, Thomas Posch, Johannes Puschnig, Wim Schmidt, Axel D. Schwope, Anthony Tekatch, Mark Trueblood, Jennifer J Birriel, Peter N den Outer, Linsey J Jensen, Dorien E Lolkema
2015-08-05

Corrigendum: Worldwide variations in artificial skyglow

Franz Hölker, Jonathan Bennie, Richard Inger, Jaime Zamorano, Thomas Ruhtz, Georg Heygster, Kevin J. Gaston, Jürgen Fischer, Fabio Falchi, Helga U. Kuechly, Douglas L. Welch, Christopher Kyba, Thomas W Davies, Kai Pong Tong, Ignacio Birriel, Andrew Cool, Rainer Ehlert, Andrea Giacomelli, Francesco Giubbilini, Marty Haaima, Phil Langill, Matthew R Nagy, Nobuaki Ochi, Thomas Posch, Johannes Puschnig, Wim Schmidt, Axel D. Schwope, Anthony Tekatch, Mark Trueblood, Jennifer J Birriel, Peter N den Outer, Linsey J Jensen, Dorien E Lolkema
2014-05-01

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

Andrea Kunder, Ryan Chornock, Douglas L. Welch, Eric Hsiao, Armin Rest
2014-09-26

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

Matthew Templeton, Ulisse Munari, Eva Grebel, Joss Bland-Hawthorn, Douglas L. Welch, Arne Henden, Ken Freeman, Brad K. Gibson, Arnaud Nicolas Siebert, Tomaž Zwitter, Amina Helmi, Rosemary Wyse, Olivier Bienaymé, Matthias Steinmetz
2013

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

Douglas L. Welch, Armin Rest
2013-02-26

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

Douglas L. Welch
2012

Light echoes of transients and variables in the Local Universe

Douglas L. Welch, Armin Rest
2012-02-15

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

Jose Luis Prieto, Ryan Chornock, Douglas L. Welch, Dante Minniti, Armin Rest
2012-06

Rest et al. reply

Ryan Chornock, Dante Minniti, Douglas L. Welch, Armin Rest
2012-08-24

Evidence for Pulsation-Driven Mass Loss from δ Cephei

Pauline Barmby, Massimo Marengo, Douglas L. Welch, Giovanni G. Fazio, Katherine Y. L. Su
2011-02-14

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

Knut Olsen, Bruce T. Draine, Dante Minniti, Andrzej Udalski, Krzysztof Ulaczyk, Igor Soszyński, Douglas L. Welch, Suvi Gezari, Armin Rest, Łukasz Wyrzykowski, Mark E. Huber, Ryan Foley, Christopher Stubbs, Kem H. Cook
2011-10

NSV 11154 Is a NewRCoronae Borealis Star

Douglas L. Welch, Arne Henden, Ashley Pagnotta
2011-04-06

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

Hayley Finley, Daniel Sauer, Knut Olsen, Carles Badenes, Paolo A. Mazzali, Dante Minniti, Douglas L. Welch, Armin Rest
2011-12-09

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

Masaaki Otsuka, Douglas L. Welch, Jennifer Andrews, Margaret Meixner
2011-06-30

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

Masaaki Otsuka, Michael Barlow, Douglas L. Welch, Jennifer Andrews
2011-03-22

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

Masaaki Otsuka, Michael Barlow, Douglas L. Welch, Jennifer Andrews
2011-10-06

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

Masaaki Otsuka, Michael Barlow, Douglas L. Welch
2011-01-05

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

Pauline Barmby, Massimo Marengo, Douglas L. Welch, Giovanni G. Fazio, Katherine Y. L. Su
2011-04-06

On the interpretation of supernova light echo profiles and spectra

Douglas L. Welch, Armin Rest
2010-12-07

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

Pauline Barmby, Massimo Marengo, Douglas L. Welch, Giovanni G. Fazio, Katherine Y. L. Su
2010-04-29

SN 2007od: A TYPE IIP SUPERNOVA WITH CIRCUMSTELLAR INTERACTION

Michael Barlow, Douglas L. Welch, Jennifer Andrews
2010-03-21

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

Michael Barlow, Douglas L. Welch
2010-06-22

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

Knut Olsen, Dante Minniti, Douglas L. Welch, Armin Rest, Kem H. Cook
2009-04-29

Application of the trend filtering algorithm to the MACHO database

Douglas L. Welch
2009-12-29

Galactic cepheids with Spitzer. I. Leavitt law and colors

Pauline Barmby, Massimo Marengo, Douglas L. Welch
2009

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

Douglas L. Welch

Human - wd:Q57296824

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