Science-advisor
REGISTER info/FAQ
Login
username
password
     
forgot password?
register here
 
Research articles
  search articles
  reviews guidelines
  reviews
  articles index
My Pages
my alerts
  my messages
  my reviews
  my favorites
 
 
Stat
Members: 3036
Articles: 2'113'726
Articles rated: 2587

16 September 2021
 
  » search

 Search for articles, messages and online reviews


Search in 2'113'726 articles.

match all words (default)
match at least one of the words
match the exact phrase
search in all fields
search in authors
search in journals

Results 1 to 20 of 49 for query "Andrew Ptak". (0.07 sec.)

[    1    2    3    ]   Next
1.
The X-Ray Derived Cosmological Star Formation History and the Galaxy X-Ray Luminosity Functions in the Chandra Deep Fields North and South
Colin Norman; Andrew Ptak; Ann Hornschemeier; Guenther Hasinger; Jacqueline Bergeron; Andrea Comastri; Riccardo Giacconi; Roberto Gilli; Karl Glazebrook; Tim Heckman; Lisa Kewley; Piero Ranalli; Piero Rosati; Gyula Szokoly; Paolo Tozzi; JunXian Wang; Wei Zheng; Andrew Zirm;
6 Feb 2004   /  Astrophys.J. 607 (2004) 721-738
- - -
2.
The Statistical Properties of Galaxies Containing ULXs
A. Ptak; E. Colbert;
24 Dec 2003   /  Astrophys.J. 606 (2004) 291-295
- - -
3.
Testing Radiatively-Inefficient Accretion Flow Theory: an XMM-Newton Observation of NGC 3998
A. Ptak; Y. Terashima; L.C. Ho; E. Quataert;
24 Dec 2003   /  Astrophys.J. 606 (2004) 173-184
- - -
4.
The Consequences of the Cosmic Star-Formation Rate: X-ray Number Counts
A. Ptak; R. Griffiths; N. White; P. Ghosh;
18 Aug 2001
- - -
5.
X-ray Constraints on Accretion and Starburst Processes in Galactic Nuclei I. Spectral Results
A. Ptak; P. Serlemitsos; T. Yaqoob; R. Mushotzky;
14 Aug 1998
- - -
6.
The Complex X-ray Spectra of M82 and NGC 253
A. Ptak; P. Serlemitsos; T. Yaqoob; R. Mushotzky; T. Tsuru;
31 Dec 1996
- - -
7.
Chandra and XMM Observations of Type II Quasars from the SDSS
A. Ptak; N. Zakamska; M. Strauss; J. Krolik; T. Heckman; D. Schneider; J. Brinkmann;
7 Oct 2005
- - -
8.
A Chandra Survey of the Nearest ULIRGs: Obscured AGN or Super-Starbursts?
A. Ptak; T. Heckman; N. A. Levenson; K. Weaver; D. Strickland;
11 Apr 2003   /  Astrophys.J. 592 (2003) 782-803
- - -
9.
XAssist: A System for the Automation of X-ray Astrophysics Analysis
A. Ptak; R. Griffiths;
5 Mar 2003
- - -
10.
Low-luminosity AGN and Normal Galaxies
A. Ptak;
29 Aug 2000
- - -
11.
Hard X-ray Variability in M82: Evidence for a Nascent AGN?
A. Ptak; R. Griffiths;
24 Mar 1999
- - -
12.
X-ray Variability as a Probe of Advection-Dominated Accretion in Low-Luminosity AGN
A. Ptak; T. Yaqoob; R. Mushotzky; P. Serlemitsos; R. Griffiths;
29 Apr 1998
- - -
13.
X-ray Observations of LINER and Starburst Galaxies
P. Serlemitsos; A. Ptak; T. Yaqoob;
17 Dec 1996   /  "The Physics of LINERs in View of Recent Observations," 1996, eds. M. Eracleous, A. Koratkar, C. Leitherer, and L. Ho, 70
- - -
14.
X-ray Properties of LINERs and Low-luminosity Seyfert Galaxies Observed with ASCA. I. Observations and Results
Yuichi Terashima; Naoko Iyomoto; Luis C. Ho; Andrew F. Ptak;
1 Mar 2002   /  Astrophys.J.Suppl. 139 (2002) 1-36
- - -
15.
Hard X-ray Emission and the Ionizing Source in LINERs
Yuichi Terashima; Luis C. Ho; Andrew F. Ptak;
25 Jul 2000
- - -
16.
A census of ultraluminous X-ray sources in the local Universe
Konstantinos Kovlakas; Andreas Zezas; Jeff J. Andrews; Antara Basu-Zych; Tassos Fragos; Ann Hornschemeier; Bret Lehmer; Andrew Ptak;
24 Aug 2020
- - -
17.
The Nuclear Spectroscopic Telescope Array (NuSTAR) Mission
Fiona A. Harrison; William W. Craig; Finn E. Christensen; Charles J. Hailey; Will W. Zhang; Steven E. Boggs; Daniel Stern; W. Rick Cook; Karl Forster; Paolo Giommi; Brian W. Grefenstette; Yunjin Kim; Takao Kitaguchi; Jason E Koglin; Kristin K. Madsen; Peter H. Mao; Hiromasa Miyasaka; Kaya Mori; Matteo Perri; Michael J. Pivovaroff; Simonetta Puccetti; Vikram R. Rana; Niels J. Westergaard; Jason Willis; Andreas Zoglauer; Hongjun An; Matteo Bachetti; Nicolas M. Barriere; Eric C. Bellm; Varun Bhalerao; Nicolai F. Brejnholt; Felix Fuerst; Carl C. Liebe; Craig B. Markwardt; Melania Nynka; Julia K. Vogel; Dominic J. Walton; Daniel R. Wik; David M. Alexander; Lynn R. Cominsky; Ann E. Hornschemeier; Allan Hornstrup; Victoria M. Kaspi; Greg M. Madejski; Giorgio Matt; Silvano Molendi; David M. Smith; John A. Tomsick; Marco Ajello; David R. Ballantyne; Mislav Balokovic; Diddier Barret; Franz E. Bauer; Roger D. Blandford; W. Niel Brandt; Laura W. Brenneman; James Chiang; Deepto Chakrabarty; Jerome Chenevez; Andrea Comastri; Martin Elvis; Andrew C. Fabian; Duncan Farrah; Chris L. Fryer; Eric V. Gotthelf; Jonathan E. Grindlay; David J. Helfand; Roman Krivonos; David L. Meier; Jon M. Miller; Lorenzo Natalucci; Patrick Ogle; Eran O. Ofek; Andrew Ptak; Stephen P. Reynolds; Jand R. Rigby; Gianpiero Tagliaferri; Stephen E. Thorsett; Ezequiel Treister; C. Megan Urry;
30 Jan 2013
- - -
18.
A 60-kpc Galactic Wind Cone in NGC 3079
Edmund Hodges-Kluck; Mihoko Yukita; Ryan Tanner; Andrew Ptak; Joel N. Bregman; Jiang-tao Li;
18 Sep 2020
- - -
19.
On the X-ray Spectral Energy Distributions of Star-Forming Galaxies: the 0.3-30 keV Spectrum of the Low-Metallicity Starburst Galaxy VV 114
Kristen Garofali; Bret D. Lehmer; Antara Basu-Zych; Lacey A. West; Daniel Wik; Mihoko Yukita; Neven Vulic; Andrew Ptak; Ann Hornschemeier;
18 Sep 2020
- - -
20.
The Next Generation X-ray Galaxy Survey with eROSITA
Antara R. Basu-Zych; Ann E. Hornschemeier; Frank Haberl; Neven Vulic; Jorn Wilms; Andreas Zezas; Konstantinos Kovlakas; Andrew Ptak; Thomas Dauser;
5 Aug 2020
- - -

[ 1 2 3 ]   Next





ScienXe.org
» my Online CV
» Free


News, job offers and information for researchers and scientists:
home  |  contact  |  terms of use  |  sitemap
Copyright © 2005-2021 - Scimetrica