Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Patrick Waddell"'
Autor:
J. Patrick Waddell
Publikováno v:
SMPTE Motion Imaging Journal. 124:57-61
Engineers are familiar with the Law of Unintended Consequences. This paper tells the story of several unintended consequences related to audio which are in play today. The transition to digital delivery systems liberated audio from less than 40 dB of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2881ee5b2061f3d98e007ca40a72a4a
https://doi.org/10.5594/j18615
https://doi.org/10.5594/j18615
Autor:
C. Kaminski, L. Tanaka, J. Lott, Patrick Waddell, M. Kandlagunta, C. Koerber, P. Alvarez, Z. A. Ali, G. Perryman, G. Ediss, K. Hanna, W. Latter, D. Black, S. Granen, E. Sandberg
Publikováno v:
SPIE Proceedings.
The NASA Stratospheric Observatory for Infrared Astronomy (SOFIA), is a 2.5 meter telescope in a modified Boeing 747SP aircraft that is flown at high altitude to do unique astronomy in the infrared. SOFIA is a singular integration of aircraft operati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bab79dad2a418c97180d39d6996705c
https://doi.org/10.1117/12.2237058
https://doi.org/10.1117/12.2237058
Publikováno v:
SPIE Proceedings.
Effective stray light control is a key requirement for wide dynamic range performance of scientific optical and infrared systems. SOFIA now has over 325 mission flights including extended southern hemisphere deployments; science campaigns using 7 dif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2a420b5bbf940e8b8f70fbe8a972f7b
https://doi.org/10.1117/12.2237519
https://doi.org/10.1117/12.2237519
Autor:
Patrick Waddell, David S. Black
Publikováno v:
SPIE Proceedings.
A new stray light coating, called J-Black, has been developed for NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA). The coating is a layered composition of Nextel-Suede 3101 primers and top coats and silicon carbide grit. J-Black has b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71d6d4aa8b75b1ba12598cd8ff98caba
https://doi.org/10.1117/12.2232159
https://doi.org/10.1117/12.2232159
Autor:
Eric H. Neilsen, D. Q. Lamb, R. French Leger, Zoltan Haiman, Brian McLean, Jeffrey R. Pier, Heidi Jo Newberg, Takashi Ichikawa, Michael Odenkirchen, Claudio H. Rivetta, Shu I. Wang, Sadanori Okamura, Don Petravick, John Peoples, Atsuko Nitta, Xiaohui Fan, Peter R. Newman, Stephanie A. Snedden, Damian J. Christian, Jim Gray, Gordon T. Richards, Zlatan Tsvetanov, Eva K. Grebel, Amanda E. Bauer, Angela Prosapio, Stephen B. Bracker, Hans-Walter Rix, Idit Zehavi, M. Haldeman, Christopher W. Stubbs, Michael A. Strauss, Paula Szkody, Robert H. Lupton, Scott F. Anderson, Scott Dodelson, G. Sergey, Naoki Yasuda, James Annis, Vijay K. Narayanan, Craig L. Loomis, Mariangela Bernardi, Masaru Hamabe, David H. Weinberg, Larry N. Carey, Walter Dehnen, Mark SubbaRao, Wolfgang Voges, David W. Hogg, Ernst De Haas, Timothy A. McKay, Megan Donahue, Zeljko Ivezic, John Korienek, Roy R. Gal, Julianne J. Dalcanton, Aronne Merelli, Craig J. Hogan, Jon Arne Bakken, Daniel J. Eisenstein, Paul C. Czarapata, Michael Harvanek, Bruce Margon, Karl Glazebrook, Maki Sekiguchi, Ravi K. Sheth, Robert Rosner, István Csabai, Charles L. Hull, David J. Schlegel, Jon A. Holtzman, Rene A. M. Walterbos, Peregrine M. McGehee, Guinevere Kauffmann, Ryan Scranton, Hans Böhringer, Brian Yanny, Brian C. Lee, Masataka Fukugita, James H. Crocker, Robert J. Brunner, Gretchen Greene, Donald G. York, Paul M. Mantsch, Bing Chen, S. J. Kleinman, Mamoru Doi, Osamu Nakamura, Anatoly Klypin, David Johnston, Rita S. J. Kim, L. Eyer, John E. Anderson, T. Nicinski, D. Wolfe, Bruce Greenawalt, Gregory S. Hennessy, Wei Zheng, Michael A. Carr, Douglas L. Tucker, Timothy M. Heckman, Simon D. M. White, K. Shimasaku, Andrew J. Connolly, Dale Sandford, Jon Brinkmann, Donald P. Schneider, Shin-Ichi Ichikawa, Matthias Bartelmann, Brian R. Elms, Edward J. Mannery, Scott Burles, Aniruddha R. Thakar, Michael Richmond, Thomas R. Quinn, Peter Z. Kunszt, Chris Stoughton, Houjun Mo, R. S. Peterson, Carl Lindenmeyer, Stephen A. Smee, Richard G. Kron, Hugh C. Harris, Francisco J. Castander, Amina Helmi, Tim Kimball, T. Dombeck, Jennifer Adelman, Julian H. Krolik, David G. Monet, Chih-Hao Huang, Jeffrey J. E. Hayes, Scott D. Friedman, S. Kent, Brad M. S. Hansen, Steven Bastian, Neta A. Bahcall, Russell Owen, Dan Long, Albert Stebbins, Gyula P. Szokoly, Siriluk Limmongkol, Patrick L. Colestock, R. Rechenmacher, Michael R. Blanton, Ruth Pordes, Richard L. White, George Pauls, Michael S. Vogeley, Patrick B. Hall, Kristen Menou, John W. Briggs, Joshua A. Frieman, Brian C. Wilhite, Jeffrey A. Munn, Daniel E. Vanden Berk, Donald J. Holmgren, Michael L. Evans, Robert B. Hindsley, E. Kinney, Bryan Mackinnon, Frederick H. Harris, Thomas Nash, J. Allyn Smith, Jurek Krzesinski, James E. Gunn, John Eric Davis, Alan Uomoto, Jon Loveday, A. A. Henden, E. Berman, Suzanne L. Hawley, Masaru Watanabe, Nancy Ellman, Marc Postman, Adrian Pope, Patrick Waddell, Constance M. Rockosi, István Szapudi, Jeremiah P. Ostriker, William N. Boroski, Charlie Briegel, Glenn R. Federwitz, Avery Meiksin, Gillian R. Knapp, Robert C. Nichol, Arthur F. Davidsen, S. Tabachnik, K. Ruthmansdorfer, Mark A. Klaene, Bruce Gillespie, Alexander S. Szalay, Norio Okada
Publikováno v:
The Astronomical Journal. 123:485-548
The Sloan Digital Sky Survey (SDSS) is an imaging and spectroscopic survey that will eventually cover approximately one-quarter of the celestial sphere and collect spectra of ≈106 galaxies, 100,000 quasars, 30,000 stars, and 30,000 serendipity targ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8dc6f5df6f860107248ac29bde9891fe
https://doi.org/10.1086/324741
https://doi.org/10.1086/324741
Autor:
Željko Ivezić, Serge Tabachnik, Roman Rafikov, Robert H. Lupton, Tom Quinn, Mark Hammergren, Laurent Eyer, Jennifer Chu, John C. Armstrong, Xiaohui Fan, Kristian Finlator, Tom R. Geballe, James E. Gunn, Gregory S. Hennessy, Gillian R. Knapp, Sandy K. Leggett, Jeffrey A. Munn, Jeffrey R. Pier, Constance M. Rockosi, Donald P. Schneider, Michael A. Strauss, Brian Yanny, Jonathan Brinkmann, István Csabai, Robert B. Hindsley, Stephen Kent, Don Q. Lamb, Bruce Margon, Timothy A. McKay, J. Allyn Smith, Patrick Waddell, Donald G. York
Publikováno v:
The Astronomical Journal. 122:2749-2784
We discuss measurements of the properties of about 10,000 asteroids detected in 500 deg2 of sky in the Sloan Digital Sky Survey (SDSS) commissioning data. The moving objects are detected in the magnitude range 14 < r < 21.5, with a baseline of 5 minu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::097853569facbdd7c60014990b07eee6
https://doi.org/10.1086/323452
https://doi.org/10.1086/323452
Autor:
Daniel E. Vanden Berk, Gordon T. Richards, Amanda Bauer, Michael A. Strauss, Donald P. Schneider, Timothy M. Heckman, Donald G. York, Patrick B. Hall, Xiaohui Fan, G. R. Knapp, Scott F. Anderson, James Annis, Neta A. Bahcall, Mariangela Bernardi, John W. Briggs, J. Brinkmann, Robert Brunner, Scott Burles, Larry Carey, Francisco J. Castander, A. J. Connolly, J. H. Crocker, István Csabai, Mamoru Doi, Douglas Finkbeiner, Scott Friedman, Joshua A. Frieman, Masataka Fukugita, James E. Gunn, G. S. Hennessy, Željko Ivezić, Stephen Kent, Peter Z. Kunszt, D. Q. Lamb, R. French Leger, Daniel C. Long, Jon Loveday, Robert H. Lupton, Avery Meiksin, Aronne Merelli, Jeffrey A. Munn, Heidi Jo Newberg, Matt Newcomb, R. C. Nichol, Russell Owen, Jeffrey R. Pier, Adrian Pope, Constance M. Rockosi, David J. Schlegel, Walter A. Siegmund, Stephen Smee, Yehuda Snir, Chris Stoughton, Christopher Stubbs, Mark SubbaRao, Alexander S. Szalay, Gyula P. Szokoly, Christy Tremonti, Alan Uomoto, Patrick Waddell, Brian Yanny, Wei Zheng
Publikováno v:
ASTRONOMICAL JOURNAL
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
We have created a variety of composite quasar spectra using a homogeneous data set of over 2200 spectra from the Sloan Digital Sky Survey (SDSS). The quasar sample spans a redshift range of 0.044
40 pages, including 11 postscript figures, accept
40 pages, including 11 postscript figures, accept
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::718ff7b2613a6184f59d286f867501d1
https://doi.org/10.1086/321167
https://doi.org/10.1086/321167
Autor:
Gordon T. Richards, Xiaohui Fan, Donald P. Schneider, Daniel E. Vanden Berk, Michael A. Strauss, Donald G. York, John E. Anderson, Jr., Scott F. Anderson, James Annis, Neta A. Bahcall, Mariangela Bernardi, John W. Briggs, J. Brinkmann, Robert Brunner, Scott Burles, Larry Carey, Francisco J. Castander, A. J. Connolly, J. H. Crocker, István Csabai, Mamoru Doi, Douglas Finkbeiner, Scott D. Friedman, Joshua A. Frieman, Masataka Fukugita, James E. Gunn, Robert B. Hindsley, Željko Ivezić, Stephen Kent, G. R. Knapp, D. Q. Lamb, R. French Leger, Daniel C. Long, Jon Loveday, Robert H. Lupton, Timothy A. McKay, Avery Meiksin, Aronne Merrelli, Jeffrey A. Munn, Heidi Jo Newberg, Matt Newcomb, R. C. Nichol, Russell Owen, Jeffrey R. Pier, Adrian Pope, Michael W. Richmond, Constance M. Rockosi, David J. Schlegel, Walter A. Siegmund, Stephen Smee, Yehuda Snir, Chris Stoughton, Christopher Stubbs, Mark SubbaRao, Alexander S. Szalay, Gyula P. Szokoly, Christy Tremonti, Alan Uomoto, Patrick Waddell, Brian Yanny, Wei Zheng
Publikováno v:
The Astronomical Journal. 121:2308-2330
We present an empirical investigation of the colors of quasars in the Sloan Digital Sky Survey (SDSS) photometric system. The sample studied includes 2625 quasars with SDSS photometry. The quasars are distributed in a 2.5 degree wide stripe centered
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edd19eeff49bda33c229cb9175660750
https://doi.org/10.1086/320392
https://doi.org/10.1086/320392
Autor:
Francisco J. Castander, Robert C. Nichol, Aronne Merrelli, Scott Burles, Adrian Pope, Andrew J. Connolly, Alan Uomoto, James E. Gunn, John E. Anderson, James Annis, Neta A. Bahcall, William N. Boroski, Jon Brinkmann, Larry Carey, James H. Crocker, István Csabai, Mamoru Doi, Joshua A. Frieman, Masataka Fukugita, Scott D. Friedman, Eric J. Hilton, Robert B. Hindsley, Željko Ivezić, Steve Kent, Donald Q. Lamb, R. French Leger, Daniel C. Long, Jon Loveday, Robert H. Lupton, Harvey MacGillivray, Avery Meiksin, Jeffrey A. Munn, Matt Newcomb, Sadanori Okamura, Russell Owen, Jeffrey R. Pier, Constance M. Rockosi, David J. Schlegel, Donald P. Schneider, Walter Seigmund, Stephen Smee, Yehuda Snir, Larry Starkman, Chris Stoughton, Gyula P. Szokoly, Christopher Stubbs, Mark SubbaRao, Alex Szalay, Aniruddha R. Thakar, Christy Tremonti, Patrick Waddell, Brian Yanny, Donald G. York
Publikováno v:
The Astronomical Journal. 121:2331-2357
On 26 May 1999, one of the Sloan Digital Sky Survey (SDSS) fiber-fed spectrographs saw astronomical first light. This was followed by the first spectroscopic commissioning run during the dark period of June 1999. We present here the first hour of ext
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b714afae055cc8a606bc4e085047a200
https://doi.org/10.1086/320384
https://doi.org/10.1086/320384
Autor:
Michael R. Blanton, Julianne Dalcanton, Daniel Eisenstein, Jon Loveday, Michael A. Strauss, Mark SubbaRao, David H. Weinberg, John E. Anderson, Jr., James Annis, Neta A. Bahcall, Mariangela Bernardi, J. Brinkmann, Robert J. Brunner, Scott Burles, Larry Carey, Francisco J. Castander, Andrew J. Connolly, István Csabai, Mamoru Doi, Douglas Finkbeiner, Scott Friedman, Joshua A. Frieman, Masataka Fukugita, James E. Gunn, G. S. Hennessy, Robert B. Hindsley, David W. Hogg, Takashi Ichikawa, Željko Ivezić, Stephen Kent, G. R. Knapp, D. Q. Lamb, R. French Leger, Daniel C. Long, Robert H. Lupton, Timothy A. McKay, Avery Meiksin, Aronne Merelli, Jeffrey A. Munn, Vijay Narayanan, Matt Newcomb, R. C. Nichol, Sadanori Okamura, Russell Owen, Jeffrey R. Pier, Adrian Pope, Marc Postman, Thomas Quinn, Constance M. Rockosi, David J. Schlegel, Donald P. Schneider, Kazuhiro Shimasaku, Walter A. Siegmund, Stephen Smee, Yehuda Snir, Chris Stoughton, Christopher Stubbs, Alexander S. Szalay, Gyula P. Szokoly, Aniruddha R. Thakar, Christy Tremonti, Douglas L. Tucker, Alan Uomoto, Dan Vanden Berk, Michael S. Vogeley, Patrick Waddell, Brian Yanny, Naoki Yasuda, Donald G. York
Publikováno v:
The Astronomical Journal. 121:2358-2380
During commissioning observations, the Sloan Digital Sky Survey (SDSS) has produced one of the largest existing galaxy redshift samples selected from CCD images. Using 11,275 galaxies complete to r^* = 17.6 over 140 square degrees, we compute the lum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4810a676fdf419b37efe9d24031d76b6
https://doi.org/10.1086/320405
https://doi.org/10.1086/320405