Gordon Squires

California Institute of Technology, M/S 220-6

1200 E. California Blvd.

Pasadena CA 91125

Phone: 626-395-3121

Fax: 626-568-0673

e-mail: squires AT ipac DOT caltech D0T edu

I am the Assistant Director for Public Affairs of the Spitzer Space Telescope at the California Institute of Technology.

Publications: Felix

C.D. Fassnacht, R. R. Gal, L. M. Lubin, J. P. McKean, G. K. Squires, & A. C. S. Readhead, "Mass along the Line of Sight to the Gravitational Lens B1608+656: Galaxy Groups and Implications for H₀", 2006, ApJ, 642, 30.

J. S. Bloom, J. X. Prochaska, D. Pooley, C. W. Blake, R. J. Foley, S. Jha, E. Ramirez-Ruiz, J. Granot, A. V. Filippenko, S. Sigurdsson, A. J. Barth, H.-W. Chen, M. C. Cooper, E. E. Falco, R. R. Gal, B. F. Gerke, M. D. Gladders, J. E. Greene, J. Hennanwi, L. C. Ho, K. Hurley, B. P. Koester, W. Li, L. Lubin, J. Newman, D. A. Perley, G. K. Squires, & W. M. Wood-Vasey ``Closing in on a Short-Hard Burst Progenitor: Constraints from Early-Time Optical Imaging and Spectroscopy of a Possible Host Galaxy of GRB 050509b'', 2006, ApJ, 638, 354.

D. T. Frayer et al. "Spitzer 70 and 160 micron Observations of the Extragalactic First Survey", 2006, ApJ, 131, 250.

M. Lacy, G. Wilson, F. Masci, L. J. Storrie-Lombardi, P. N. Appleton, L. Armus, S. C. Chapman, P. I. Choi, D. Fadda, F. Fang, D. T. Frayer, I. Heinrichsen, G. Helou, M. Im, S. Laine, F. R. Marleau, D. L. Shupe, B. T. Soifer, G. K. Squires, J. Surace, H. I. Teplitz, & L. Yan "The Infrared Array Camera Component of the Spitzer Space Telescope Extragalactic First Look Survey", 2005, ApJS, 161, 41.

Roy R. Gal, Lori M. Lubin, & Gordon K. Squires ``Pushing the Boundaries of the Cl 1604 Supercluster at z~0.9'', 2005, AJ, 129, 1827.

R. Demarco, P. Rosati, C. Lidman, N. L. Homeier, E. Scannapieco, N. Benitez, V. Mainieri, M. Nonino, M. Girardi, S. A. Stanford, P. Tozzi, S. Borgani, J. Silk, G. Squires, & T. J. Broadhurst ``A VLT spectroscopic survey of RX J0152.7-1357, a forming cluster of galaxies at z = 0.837'', 2005, AA, 432, 381.

V. E. Margoniner, L. M. Lubin, D. M. Wittman, & G. K. Squires ``Weak-Lensing Detection of Cl 1604+4304 at z=0.90'', 2005, AJ, 129, 20.

P. N. Appleton, Lee Armus, Scott Chapman, Philip I. Choi, Dario Fadda, Fan Fang, D. T. Frayer, Ingolf Heinrichsen, George Helou, Myungshin Im, Mark Lacy, Francine R. Marleau, David L. Shupe, B. T. Soifer, Gordon K. Squires, L. J. Storrie-Lombardi, Jason Surace, Harry I. Teplitz, Gillian Wilson, & Lin Yan ``Far- and Mid-IR/Radio Correlations in the Spitzer Extragalactic FLS'', 2004, ApJS, 154, 147.

Fan Fang, P. N. Appleton, Lee Armus, Scott Chapman, Philip I. Choi, Dario Fadda, D. T. Frayer, Ingolf Heinrichsen, George Helou, Myungshin Im, Mark Lacy, Francine R. Marleau, David L. Shupe, B. T. Soifer, Gordon K. Squires, L. J. Storrie-Lombardi, Jason Surace, Harry I. Teplitz, Gillian Wilson, & Lin Yan ``First Results of Galaxy Clustering from IRAC Data in the Spitzer FLS'', 2004, ApJS, 154, 35.

D. T. Frayer, P. N. Appleton, Lee Armus, Scott Chapman, Philip I. Choi, Dario Fadda, Fan Fang, Ingolf Heinrichsen, George Helou, Myungshin Im, Mark Lacy, Francine R. Marleau, David L. Shupe, B. T. Soifer, Gordon K. Squires, L. J. Storrie-Lombardi, Jason Surace, Harry I. Teplitz, Gillian Wilson, & Lin Yan ``Infrared Properties of Radio-Selected Submm Galaxies in the Spitzer FLS Verification Field'', 2004, ApJS, 154, 137.

Francine R. Marleau, P. N. Appleton, Lee Armus, Scott Chapman, Philip I. Choi, Dario Fadda, Fan Fang, D. T. Frayer, Ingolf Heinrichsen, George Helou, Myungshin Im, Mark Lacy, David L. Shupe, B. T. Soifer, Gordon K. Squires, L. J. Storrie-Lombardi, Jason Surace, Harry I. Teplitz, Gillian Wilson, & Lin Yan ``Extragalactic source counts at 24 microns in the Spitzer FLS'', 2004, ApJS, 154, 66.

Lin Yan, P. N. Appleton, Lee Armus, Scott Chapman, Philip I. Choi, Dario Fadda, Fan Fang, D. T. Frayer, Ingolf Heinrichsen, George Helou, Myungshin Im, Mark Lacy, Francine R. Marleau, David L. Shupe, B. T. Soifer, Gordon K. Squires, L. J. Storrie-Lombardi, Jason Surace, Harry I. Teplitz, & Gillian Wilson ``Characterization of Extragalactic 24 micron Sources in the Spitzer FLS'', 2004, ApJS, 154, 60.

Lin Yan, P. N. Appleton, Lee Armus, Scott Chapman, Philip I. Choi, Dario Fadda, Fan Fang, D. T. Frayer, Ingolf Heinrichsen, George Helou, Myungshin Im, Mark Lacy, Francine R. Marleau, David L. Shupe, B. T. Soifer, Gordon K. Squires, L. J. Storrie-Lombardi, Jason Surace, Harry I. Teplitz, & Gillian Wilson ``Spitzer 24 micron Observations of Optical/Near-IR Selected Extremely Red Galaxies: Evidence for Assembly of Massive Galaxies at z~1-2?'', 2004, ApJS, 154, 75.

D. Norman, G. Squires, J. Kubo, & A. Becker ``Supernovae 2004ba and 2004bb'', 2004, IAUC, 8314.

Zhi-Ying Huo, Sui-Juan Xue, Haiguang Xu, Gordon Squires, & Piero Rosati ``Joint X-Ray and Optical Measurements of the Mass Distribution of the Distant Galaxy Cluster Cl J0152.7-1357'', 2004, AJ, 127, 1263.

I. Dell'Antonio, G. K. Squires, C. Navarro, A. Becker, D. Wittman, D., & B. G. Marsden ``2003 FM129, 2003 GH55'', 2004, MPEC, D29.

R. A. E. Fosbury, M. Villar-Martin, A. Humphrey, M. Lombardi, P. Rosati, D. Stern, R. N. Hook, B. P. Holden, S. A. Stanford, G. K Squires, M. Rauch, & W. L. M. Sargent ``Massive Star Formation in a Gravitationally Lensed H II Galaxy at z = 3.357'', 2003, ApJ, 596, 797.

W. Li, A. V. Filippenko, R. Chornock, E. Berger, P. Berlind, M. L. Calkins, P. Challis, C. Fassnacht, S. Jha, R. P. Kirshner, T. Matheson, W. L. W. Sargent, R. A. Simcoe, G. H. Smith, & G. K. Squires ``SN 2002cx: The Most Peculiar Known Type Ia Supernova'', 2003, PASP, 115, 453.

B. P. Holden, S. A. Stanford, G. K. Squires, P. Rosati, P. Tozzi, P. Eisenhardt, & H. Spinrad ``Moderate Temperature Clusters of Galaxies from the RDCS and the High Redshift Luminosity-Temperature Relation'', 2002, AJ, 124, 23.

A. Becker, T. Tyson, D. Wittman, M. Lopez-Caniego, D. Norman, A Clocchiatti, I. Dell'Antonio, & G. Squires ``Supernovae 2002aj, 2002ak, 2002al, 2002am'', 2002, IAUC, 7804.

S. A. Stanford, B. P. Holden, P. Rosati, Peter R. Eisenhardt, G. Squires, & H. Spinrad ``An X-Ray Selected Galaxy Cluster at z=1.11 in the Rosat Deep Cluster Survey'', 2002, AJ, 123, 619.

S. Zaroubi, G. Squires, G. de Gasperis, A. Evrard, Y. Hoffman, & J. Silk ``Deprojecting Galaxy Cluster X-ray, Sunyaev-Zel'dovich Temperature Decrement and Weak Lensing Mass Maps'', 2001, ApJ, 561, 600.

S. Borgani, P. Rosati, P. Tozzi, S. A. Stanford, P. E. Eisenhardt, C. Lidman, B. Holden, C. Norman, & G. Squires ``Measuring Omega_m with the ROSAT Deep Cluster Survey'', 2001, ApJ, 561, 13.

B. P. Holden, S. A. Stanford, P. Rosati, G. Squires, P. Tozzi, R. A. E. Fosbury & C. Papovich ``RX J0848+4456: Disentangling a Moderate Redshift Cluster'', 2001, AJ, 122, 629.

M. Lombardi, P. Rosati, M. Nonino, M. Girardi, S. Borgani, & G. Squires ``Weak Lensing Mass Reconstruction of MS1008.1-1224 with the VLT'', 2000, A&A, 363, 401.

D. Kirkman, I. Dell'Antonio, R. A. Schommer, G. Squires, & J. A. Tyson ``Supernova 2000bj in Anonymous Galaxy'' , 2000, IAUC, 7398.

P. Rosati, C. Lidman, R. Della Ceca, S. Borgani, M. Lombardi, S. . Stanford, P. R. Eisenhardt, G. Squires, R. Giacconi, & C. Norman ``The ROSAT Deep Cluster Survey: Probing the Galaxy Cluster Population out to z = 1.3'', 2000, ESO Messenger, 99, 26.

R. Della Ceca, R. Scaramella, I.M. Gioia, P. Rosati, F. Fiore, & G. Squires ``BeppoSAX Observations of Two High Redshift Clusters of Galaxies: RXJ0152.7-1357 and MS2053.7-0449'' , 2000, A&A, 353, 498.

N. Benitez, T. Broadhurst, P. Rosati, F. Courbin, G. Squires, C. Lidman, & P. Magrain ``Deep Imaging of AXJ2019+112: The Luminosity of a `Dark Cluster' '', 1999, ApJ, 527, 31.

J. Bloom, S. Odewahn, G. Djorgovski, S. Kulkarni, F. Harrison, C. Koresko, G. Neugebauer, L Armus, D. Frail, R. Gal, R. Sari, G. Squires, G. Illingworth, D. Kelson, F. Chaffee, R. Goodrich, M. Feroci, F. Costa, L. Piro, F. Frontera, S. Mao, C. Akerlof, & T. McKay ``The Host Galaxy of GRB 990123'', 1999, ApJ, 518, 1L.

H. Hoekstra, K. Kuijken, M. Franx, & G. Squires ``Weak lensing analysis of Cl 1358+62 using Hubble Space Telescope Observations'' , 1998, ApJ, 504, 636.

conference proceedings

S. Zaroubi, G. Squires, Y. Hoffman, & J. Silk ``Deprojecting Rich Cluster Images'' , 1998, ApJ, 500, 87L.

G. Squires, D. M. Neumann, N. Kaiser, M. Arnaud, A. Babul, H. Bohringer, G. Fahlman, & D. Woods ``A Weak Gravitational Lensing and X-ray Analysis of Abell 2163'', 1997, ApJ, 482, 648.

G. Squires, & N. Kaiser, ``Unbiased Cluster Lens Reconstruction'' , 1996, ApJ, 473, 65.

G. Squires, N. Kaiser, G. Fahlman, A. Babul, & D. Woods ``A Weak Gravitational Lensing Analysis of Abell 2390'' , 1996, ApJ, 469, 73.

G. Squires, N. Kaiser, A. Babul, G. Fahlman, D. Woods, D. M. Neumann, & H. Bohringer ``The Dark Matter, Gas and Galaxy Distributions in Abell 2218: A Weak Gravitational Lensing and X-ray Analysis'' 1996, ApJ, 461, 572.

N. Kaiser, G. Squires, & T. Broadhurst ``Methods For Weak Lensing Observations" , 1995, ApJ, 449, 460.

G. Fahlman, N. Kaiser, G. Squires, & D. Woods ``Dark Matter in ms1224 from Distortion of Background Galaxies" , 1994, ApJ, 437, 56.

N. Kaiser, & G. Squires ``Mapping the Dark Matter with Weak Gravitational Lensing'' , 1993, ApJ, 404, 441.

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