Peter W. Ratzlaff

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All published works

Action	Title	Year	Authors
+	X-Ray, UV, and Optical Observations of Proxima Centauri’s Stellar Cycle	2024	Bradford J. Wargelin Steven H. Saar Zackery A. Irving Jonathan D. Slavin Peter W. Ratzlaff J.-D. do Nascimento
+ PDF Chat	X-Ray, UV, and Optical Observations of Proxima Centauri's Stellar Cycle	2024	B. J. Wargelin S. H. Saar Zackery A. Irving Jonathan D. Slavin Peter W. Ratzlaff J.-D. do Nascimento
+ PDF Chat	Concordance: In-flight Calibration of X-Ray Telescopes without Absolute References	2021	Herman L. Marshall Yang Chen J. J. Drake M. Guainazzi V. Kashyap Xiao‐Li Meng Paul P. Plucinsky Peter W. Ratzlaff David A. van Dyk Xufei Wang
+	Concordance: In-flight Calibration of X-ray Telescopes without Absolute References	2021	Herman L. Marshall Chen Yang J. J. Drake M. Guainazzi V. Kashyap Xiao‐Li Meng Paul P. Plucinsky Peter W. Ratzlaff David A. van Dyk Xufei Wang
+ PDF Chat	A 33 yr CONSTANCY OF THE X-RAY CORONAE OF AR Lac AND ECLIPSE DIAGNOSIS OF SCALE HEIGHT	2014	J. J. Drake Peter W. Ratzlaff V. Kashyap David P. Huenemoerder Bradford J. Wargelin Deron O. Pease
+ PDF Chat	X‐Ray Flaring on the dMe Star, Ross 154	2008	Bradford J. Wargelin V. Kashyap J. J. Drake D. García-Álvarez Peter W. Ratzlaff
+	Monte Carlo processes for including Chandra instrument response uncertainties in parameter estimation studies	2006	J. J. Drake Peter W. Ratzlaff V. Kashyap R. J. Edgar Rima Izem D. Jerius Aneta Siemiginowska A. Vikhlinin
+ PDF Chat	Doppler Shifts and Broadening and the Structure of the X‐Ray Emission from Algol	2004	Sun Mi Chung J. J. Drake V. Kashyap Li Wei Lin Peter W. Ratzlaff
+ PDF Chat	<i>Chandra</i>Multiwavelength Project. II. First Results of X‐Ray Source Properties	2004	D.‐W. Kim B. J. Wilkes Paul Green R. A. Cameron J. J. Drake Nancy Remage Evans Peter E. Freeman T. J. Gaetz H. Ghosh F. R. Harnden
+ PDF Chat	<i>Chandra</i> Multiwavelength Project. I. First X‐Ray Source Catalog	2004	D.‐W. Kim R. A. Cameron J. J. Drake Nancy Remage Evans Peter E. Freeman T. J. Gaetz H. Ghosh Paul Green F. R. Harnden Margarita Karovska
+	First Light Measurements of Capella with the Low-Energy Transmission Grating Spectrometer aboard the [ITAL]Chandra X-Ray Observatory[/ITAL]	2000	A. C. Brinkman C. J. T. Gunsing J. S. Kaastra R. L. J. van der Meer R. Mewe F. Paerels A. J. J. Raassen J. J. van Rooijen H. Bräuninger Wolfgang Burkert

Common Coauthors

Coauthor	Papers Together
V. Kashyap	9
J. J. Drake	9
Bradford J. Wargelin	4
A. Vikhlinin	3
Nancy Remage Evans	2
Paul P. Plucinsky	2
Deron O. Pease	2
Jonathan D. Slavin	2
J. D. Silverman	2
Peter E. Freeman	2
J.-D. do Nascimento	2
T. J. Gaetz	2
David A. van Dyk	2
Xiao‐Li Meng	2
Margarita Karovska	2
H. Tananbaum	2
Xufei Wang	2
Zackery A. Irving	2
Paul Green	2
B. J. Wilkes	2
W. Peter Maksym	2
E. M. Schlegel	2
Herman L. Marshall	2
M. Guainazzi	2
H. Ghosh	2
R. A. Cameron	2
V. Burwitz	1
J. J. van Rooijen	1
B. J. Wargelin	1
D.‐W. Kim	1
David P. Huenemoerder	1
Yang Chen	1
Chen Yang	1
O. Johnson	1
D. García-Álvarez	1
P. Predehl	1
R. J. Edgar	1
S. S. Murray	1
F. R. Harnden	1
John Grimes	1
J. S. Kaastra	1
F. Paerels	1
S. H. Saar	1
Gisela Hartner	1
H. Bräuninger	1
D. Jerius	1
C. J. T. Gunsing	1
R. Mewe	1
Wolfgang Burkert	1
Aneta Siemiginowska	1

Commonly Cited References

Action	Title	Year	Authors	# of times referenced
+ PDF Chat	The X-Ray Properties of 2MASS Red Active Galactic Nuclei	2002	B. J. Wilkes Gary D. Schmidt R. M. Cutri Himel Ghosh Dean C. Hines B. Nelson P. S. Smith	2
+	Summary of the 13th IACHEC Meeting	2019	Kristin K. Madsen L. Natalucci G. Bélanger Catherine E. Grant M. Guainazzi V. Kashyap H. L. Marshall Eric D. Miller J. Nevalainen Paul P. Plucinsky	2
+	First Results from the X‐Ray and Optical Survey of the<i>Chandra</i>Deep Field South	2001	R. Giacconi P. Rosati P. Tozzi M. Nonino G. Hasinger Colin Norman J. Bergeron S. Borgani R. Gilli R. Gilmozzi	2
+ PDF Chat	Continuous heating of a giant X-ray flare on Algol	1999	J. H. M. M. Schmitt F. Favata	2
+ PDF Chat	The Redshift Evolution of the 2–8 [CLC]ke[/CLC]V X-Ray Luminosity Function	2003	L. L. Cowie A. J. Barger M. W. Bautz W. N. Brandt G. P. Garmire	2
+ PDF Chat	A spatially resolved limb flare on Algol B observed with XMM-Newton	2003	J. H. M. M. Schmitt J. U. Ness G. A. P. Franco	2
+ PDF Chat	The Resolved Fraction of the Cosmic X‐Ray Background	2003	A. Moretti S. Campana Davide Lazzati G. Tagliaferri	2
+ PDF Chat	The Chandra Deep Field North Survey. V. 1 M[CLC]s[/CLC] Source Catalogs	2001	W. N. Brandt D. M. Alexander A. E. Hornschemeier G. P. Garmire Donald P. Schneider A. J. Barger F. E. Bauer Patrick S. Broos L. L. Cowie Leisa K. Townsley	2
+	Confidence limits for small numbers of events in astrophysical data	1986	N. Gehrels	2
+ PDF Chat	Flares from small to large: X-ray spectroscopy of Proxima Centauri with <i>XMM-Newton</i>	2004	M. Güdel M. Audard F. Reale Stephen L. Skinner J. L. Linsky	2
+ PDF Chat	The <i>Chandra</i> Multiwavelength Project: Optical Follow‐up of Serendipitous <i>Chandra</i> Sources	2004	Paul Green J. D. Silverman R. A. Cameron D.‐W. Kim B. J. Wilkes W. A. Barkhouse A. Lacluyzé D. Morris Amy E. Mossman H. Ghosh	2
+ PDF Chat	CHIANTI—An Atomic Database for Emission Lines. VI. Proton Rates and Other Improvements	2003	Peter R. Young G. Del Zanna E. Landi K. P. Dere H. E. Mason M. Landini	2
+ PDF Chat	<title>Chandra X-ray Observatory (CXO): overview</title>	2000	Martin C. Weisskopf H. Tananbaum Leon P. Van Speybroeck Stephen L. O’Dell	2
+ PDF Chat	<i>ROSAT</i>Blank Field Sources. I. Sample Selection and Archival Data	2002	I. Cagnoni M. Elvis D.-W. Kim F. Nicastro A. Celotti	2
+	<title>Sherpa: a mission-independent data analysis application</title>	2001	Peter E. Freeman Stephen M. Doe Aneta Siemiginowska	2
+ PDF Chat	Doppler images of the RS CVn binary HR 1099 (V711 Tau) from the MUSICOS 1998 campaign	2003	D. García-Álvarez J. R. Barnes A. Collier Cameron J. G. Doyle S. Messina A. F. Lanza M. Rodonò	1
+ PDF Chat	Fe Kα and Hydrodynamic Loop Model Diagnostics for a Large Flare on II Pegasi	2008	Barbara Ercolano J. J. Drake F. Reale Paola Testa J. M. Mïller	1
+ PDF Chat	Extreme‐Ultraviolet Flare Activity in Late‐Type Stars	2000	M. Audard M. Güdel J. J. Drake V. Kashyap	1
+ PDF Chat	X-ray properties of active M dwarfs as observed by XMM-Newton	2005	J. Robrade J. H. M. M. Schmitt	1
+	Monte Carlo processes for including Chandra instrument response uncertainties in parameter estimation studies	2006	J. J. Drake Peter W. Ratzlaff V. Kashyap R. J. Edgar Rima Izem D. Jerius Aneta Siemiginowska A. Vikhlinin	1
+ PDF Chat	Are Coronae of Magnetically Active Stars Heated by Flares? II. Extreme Ultraviolet and X‐Ray Flare Statistics and the Differential Emission Measure Distribution	2003	M. Güdel M. Audard V. Kashyap J. J. Drake E. F. Guinan	1
+ PDF Chat	Studies in Astronomical Time Series Analysis. V. Bayesian Blocks, a New Method to Analyze Structure in Photon Counting Data	1998	Jeffrey D. Scargle	1
+ PDF Chat	X-ray rotational modulation of a supersaturated star in IC 2391	2003	A. Marino G. Micela G. Pérès S. Sciortino	1
+ PDF Chat	A<i>Chandra</i>X‐Ray Study of the Dense Globular Cluster Terzan 5	2003	C. O. Heinke P. D. Edmonds J. E. Grindlay D. A. Lloyd H. N. Cohn P. M. Lugger	1
+ PDF Chat	Are Proxima and α Centauri Gravitationally Bound?	2006	Jeremy G. Wertheimer Gregory Laughlin	1
+ PDF Chat	On X‐Ray Optical Depth in the Coronae of Active Stars	2007	Paola Testa J. J. Drake G. Pérès David P. Huenemoerder	1
+ PDF Chat	E1 Transitions between States with <i>n</i> = 1–6 in Helium‐like Carbon, Nitrogen, Oxygen, Neon, Silicon, and Argon	2002	W. R. Johnson Igor Savukov M. S. Safronova A. Dalgarno	1
+ PDF Chat	<i>Chandra</i>Study of an Overdensity of X‐Ray Sources around Two Distant (<i>z</i> ∼ 0.5) Clusters	2001	M. Cappi P. Mazzotta M. Elvis D. J. Burke A. Comastri F. Fiore W. Forman A. Fruscione Paul Green D. E. Harris	1
+ PDF Chat	Imaging Large-Scale Structure in the X-Ray Sky	2003	Yujin Yang R. F. Mushotzky A. J. Barger L. L. Cowie D. B. Sanders A. T. Steffen	1
+ PDF Chat	Stellar Lyα Emission Lines in the <i>Hubble Space Telescope</i> Archive: Intrinsic Line Fluxes and Absorption from the Heliosphere and Astrospheres	2005	Brian E. Wood Seth Redfield Jeffrey L. Linsky Hans‐Reinhard Müller G. P. Zank	1
+ PDF Chat	<i>Chandra</i> Multiwavelength Project. I. First X‐Ray Source Catalog	2004	D.‐W. Kim R. A. Cameron J. J. Drake Nancy Remage Evans Peter E. Freeman T. J. Gaetz H. Ghosh Paul Green F. R. Harnden Margarita Karovska	1
+ PDF Chat	1WGA J1216.9+3743:<i>Chandra</i>Finds an Extremely Steep Ultraluminous X‐Ray Source	2003	I. Cagnoni R. Turolla A. Treves J. S. Huang D.-W. Kim M. Elvis A. Celotti	1
+ PDF Chat	X‐Ray Variability in the Young Massive Triple<i>θ</i><sup>2</sup>Orionis A	2006	Norbert S. Schulz Paola Testa David P. Huenemoerder Kazunori Ishibashi C. R. Canizares	1
+	Stein's Estimation Rule and its Competitors—An Empirical Bayes Approach	1973	Bradley Efron Carl N. Morris	1
+ PDF Chat	XMM-Newton observation of the Lockman Hole	2001	G. Hasinger B. Altieri M. Arnaud X. Barcons J. Bergeron H. Brunner M. Dadina K. Dennerl P. Ferrando A. Finoguenov	1
+ PDF Chat	Observational Estimates for the Mass-Loss Rates of α Centauri and Proxima Centauri Using [ITAL]Hubble Space Telescope[/ITAL] L[CLC]y[/CLC]α Spectra	2001	Brian E. Wood Jeffrey L. Linsky Hans‐Reinhard Müller G. P. Zank	1
+	The ‘solar model problem’ solved by the abundance of neon in nearby stars	2005	J. J. Drake Paola Testa	1
+ PDF Chat	X-ray activity cycle on the active ultra-fast rotator AB Doradus A?	2013	S. Lalitha J. H. M. M. Schmitt	1
+	The Swift X-Ray Telescope	2005	D. N. Burrows J. E. Hill J. A. Nousek J. A. Kennea Alan Wells J. P. Osborne A. F. Abbey A. P. Beardmore K. Mukerjee A. Short	1
+	Empirical Bayes on vector observations: An extension of Stein's method	1972	Bradley Efron Carl N. Morris	1
+ PDF Chat	Deep hard X-ray source counts from a fluctuation analysis of ASCA SIS images	1998	Keith C. Gendreau X. Barcons A. C. Fabian	1
+	The Ne/O abundance ratio in the quiet Sun	2005	Peter R. Young	1
+ PDF Chat	A study of X-ray flares - II. RS CVn-type binaries	2011	J. C. Pandey K. P. Singh	1
+	X-Ray Evidence for Flare Density Variations and Continual Chromospheric Evaporation in Proxima Centauri	2002	M. Güdel M. Audard Stephen L. Skinner M. Horvath	1
+ PDF Chat	From Radio to X‐Ray: Flares on the dMe Flare Star EV Lacertae	2005	Rachel A. Osten Suzanne L. Hawley Joel C. Allred Christopher M. Johns‐Krull Christine Roark	1
+ PDF Chat	The Structure of Stellar Coronae in Active Binary Systems	2003	J. Sanz‐Forcada N. S. Brickhouse A. K. Dupree	1
+ PDF Chat	Resolving the extragalactic hard X-ray background	2000	R. F. Mushotzky L. L. Cowie A. J. Barger K. A. Arnaud	1
+ PDF Chat	The XMM-Newton serendipitous survey. V. The Second XMM-Newton serendipitous source catalogue	2009	M. G. Watson A. C. Schröder D. Fyfe C. G. Page G. Lamer S. Mateos J. P. Pye M. Sakano S. R. Rosen J. Ballet	1
+	A FULLY BAYESIAN METHOD FOR JOINTLY FITTING INSTRUMENTAL CALIBRATION AND X-RAY SPECTRAL MODELS	2014	Xu Jin David A. van Dyk V. Kashyap Aneta Siemiginowska A. Connors J. J. Drake Xiao‐Li Meng Pete Ratzlaff Yaming Yu	1
+ PDF Chat	Nonthermal Hard X‐Ray Emission and Iron Kα Emission from a Superflare on II Pegasi	2007	Rachel A. Osten S. A. Drake Jack Tueller Jay Cummings M. Perri A. Moretti S. Covino	1