Giovanni G. Fazio

The BLAST Survey of the Vela Molecular Cloud: Physical Properties of the Dense Cores in Vela-D (2009)

Olmi, Luca, Ade, Peter A. R., Angles-Alcazar, Daniel, Bock, James J., Chapin, Edward L., De Luca, Massimo, ...

The Balloon-borne Large-Aperture Submillimeter Telescope (BLAST) carried out a 250, 350 and 500 micron survey of the galactic plane encompassing the Vela Molecular Ridge, with the primary goal of...

Preprint typeset using LATEX style emulateapj v. 04/21/05 THE CHANDRA XBOÖTES SURVEY- III: OPTICAL AND NEAR-IR COUNTERPARTS (2009)

Kate Brand, Arjun Dey, Buell T. Jannuzi, Christopher S. Kochanek, Almus T. Kenter, ...

The XBoötes Survey is a 5-ks Chandra survey of the Boötes Field of the NOAO Deep Wide-Field Survey (NDWFS). This survey is unique in that it is the largest (9.3 deg2), contiguous region imaged in...

Training of Instrumentalists and Development of New Technologies on SOFIA (2009)

Erickson, Edwin F., Allamandola, Louis J., Baluteau, Jean-Paul, Becklin, Eric E., Bjoraker, Gordon, Burton, Michael, ...

This white paper is submitted to the Astronomy and Astrophysics 2010 Decadal Survey (Astro2010)1 Committee on the State of the Profession to emphasize the potential of the Stratospheric Observatory...

Photometry using the Infrared Array Camera on the Spitzer Space Telescope (2008)

Hora, Joseph L., Carey, Sean, Surace, Jason, Marengo, Massimo, Lowrance, Patrick, Glaccum, William J., ...

We present several corrections for point-source photometry to be applied to data from the Infrared Array Camera (IRAC) on the Spitzer Space Telescope. These corrections are necessary because of...

Photometry using the Infrared Array Camera on the Spitzer Space Telescope (2008)

Hora, Joseph L., Carey, Sean, Surace, Jason, Marengo, Massimo, Lowrance, Patrick, Glaccum, William J., ...

We present several corrections for point source photometry to be applied to data from the Infrared Array Camera (IRAC) on the Spitzer Space Telescope. These corrections are necessary because of...

The Structure of Active Merger Remnant NGC 6240 from IRAC Observations (2008)

Bush, Stephanie J., Wang, Zhong, Karovska, Margarita, Fazio, Giovanni G.

NGC 6240 is a rare object in the local universe: an active merger remnant viewed at the point of merging where two active galactic nuclei are visible. We present IRAC data of this object, providing...

The Physical Scale of the Far-Infrared Emission in the Most Luminous Submillimeter Galaxies (2008)

Younger, Joshua D., Fazio, Giovanni G., Wilner, David J., Ashby, Matthew L. N., Blundell, Raymond, Gurwell, Mark A., ...

We present high resolution submillimeter interferometric imaging of two of the brightest high-redshift submillimeter galaxies known: GN20 and AzTEC1 at 0.8 and 0.3 arcsec resolution respectively. Our...

Spitzer/IRAC Observations of AGB stars (2008)

Marengo, Massimo, Reiter, Megan, Fazio, Giovanni G.

We present here the first observation of galactic AGB stars with the InfraRed Array Camera (IRAC) onboard the Spitzer Space Telescope. Our sample consists of 48 AGB stars of different chemical...

Surveys with SIRTF and IRAC (2007)

Giovanni G. Fazio, Joseph L. Hora, John R. Stauffer, John R. Stau�er, Peter Eisenhardt

. SIRTF will be the #rst mission to combine the high sensitivity achievable from a cryogenic space telescope with the imaging and spectroscopic power of the new generation of infrared detector...

Performance of the Infrared Array Camera (IRAC) for SIRTF during Instrument Integration and Test (2007)

Joseph L. Hora, Giovanni G. Fazio, Lori E. Allen, Pauline Barmby, ...

The Infrared Array Camera (IRAC) is one of three focal plane instruments in the Space Infrared Telescope Facility (SIRTF). IRAC is a four-channel camera that obtains simultaneous images at 3.6, 4.5,...

Evidence for a Population of High-Redshift Submillimeter Galaxies from Interferometric Imaging (2007)

Younger, Joshua D., Fazio, Giovanni G., Huang, Jia-Sheng, Yun, Min S., Wilson, Grant W., Ashby, Matthew L. N., ...

We have used the Submillimeter Array to image a flux limited sample of seven submillimeter galaxies, selected by the AzTEC camera on the JCMT at 1.1 mm, in the COSMOS field at 890um with 2"...

Rest-Frame Ultraviolet to Near Infrared Observations of an Interacting Lyman Break Galaxy at z = 4.42 (2007)

Younger, Joshua D., Huang, Jia-Sheng, Fazio, Giovanni G., Cox, Thomas J., Lai, Kamson, Hopkins, Philip F., ...

We present the rest-frame ultraviolet through near infrared spectral energy distribution for an interacting Lyman break galaxy at a redshift z=4.42, the highest redshift merging system known with...

Keck spectroscopy and Spitzer Space Telescope analysis of the outer disk of the Triangulum Spiral Galaxy M33 (2007)

Block, David L., Combes, Francoise, Puerari, Ivanio, Freeman, Kenneth C., Stockton, Alan, Canalizo, Gabriela, ...

In an earlier study of the spiral galaxy M33, we photometrically identified arcs or outer spiral arms of intermediate age (0.6 Gyr - 2 Gyr) carbon stars precisely at the commencement of the HI-warp....

First Constraints on Source Counts at 350 Microns (2007)

Khan, Sophia A., Shafer, Richard A., Serjeant, Stephen, Willner, S. P., Pearson, Chris P., Benford, Dominic J., ...

We have imaged a $\sim$6 arcminute$^2$ region in the Bo\"otes Deep Field using the 350 $\mu$m-optimised second generation Submillimeter High Angular Resolution Camera (SHARC II), achieving a peak...

Near and Mid-IR Photometry of the Pleiades, and a New List of Substellar Candidate Members (2007)

Stauffer, John R., Hartmann, Lee W., Fazio, Giovanni G., Allen, Lori E., Patten, Brian M., Lowrance, Patrick J., ...

We make use of new near and mid-IR photometry of the Pleiades cluster in order to help identify proposed cluster members. We also use the new photometry with previously published photometry to define...

Evidence for a population of high-redshift submillimeter galaxies from interferometric imaging (2007)

Younger, Joshua D., Fazio, Giovanni G., Huang, Jia-Sheng, Yun, Min S., Wilson, Grant W., Ashby, Matthew L. N., ...

We have used the Submillimeter Array to image a flux-limited sample of seven submillimeter galaxies, selected by the AzTEC camera on the JCMT at 1.1 mm, in the COSMOS field at 890 mum with ~2"...

What do we learn from IRAC observations of galaxies at 2 < z < 3.5? (2007)

Wuyts, Stijn, Labbé, Ivo, Franx, Marijn, Rudnick, Gregory, Van Dokkum, Pieter G., Fazio, Giovanni G., ...

We analyze very deep HST, VLT, and Spitzer photometry of galaxies at 21] galaxies, but only by a factor of 1.3 for blue [(U-V)rest2. The most massive galaxies at high redshift have red rest-frame U-V...

The all-wavelength extended groth strip international survey (AEGIS) data sets (2007)

Davis, Michael A., Guhathakurta, Puragra, Konidaris, Nick P., Newman, Jeffrey A., Ashby, Matthew L. N., Biggs, Andrew D., ...

In this the first of a series of Letters, we present a panchromatic data set in the Extended Groth Strip region of the sky. Our survey, the All-Wavelength Extended Groth Strip International Survey...

Identification of the Microlens in Event MACHO-LMC-20 (2006)

Kallivayalil, Nitya, Patten, Brian M., Marengo, Massimo, Alcock, Charles, Werner, Michael W., Fazio, Giovanni G., ...

We report on the identification of the lens responsible for microlensing event MACHO-LMC-20. As part of a \textit{Spitzer}/IRAC program conducting mid-infrared follow-up of the MACHO Large Magellanic...

What do we learn from IRAC observations of galaxies at 2 < z < 3.5? (2006)

Wuyts, Stijn, Labbe, Ivo, Franx, Marijn, Rudnick, Gregory, Van Dokkum, Pieter G., Fazio, Giovanni G., ...

We analyze very deep HST, VLT and Spitzer photometry of galaxies at 2 1) galaxies, but only by a factor of 1.3 for blue (U-V < 1) galaxies. We find a similar color-dependence of the improvement for...

The effects of cosmic rays and solar flares on the IRAC detectors: the first two years of in-flight operation (2006)

Hora, Joseph L., Patten, Brian M., Fazio, Giovanni G., Glaccum, William J.

The Infrared Array Camera (IRAC) is a four-channel camera on the Spitzer Space Telescope, one of three focal plane science instruments. IRAC uses two pairs of 256x256 pixel InSb and Si:As IBC...

Spitzer/IRAC Photometry of M, L, and T Dwarfs (2006)

Patten, Brian M., Stauffer, John R., Burrows, Adam, Marengo, Massimo, Hora, Joseph L., Luhman, Kevin L., ...

We present the results of a program to acquire photometry for eighty-six late-M, L, and T dwarfs using the Infrared Array Camera (IRAC) on the Spitzer Space Telescope. We examine the behavior of...

The Chandra XBootes Survey - III: Optical and Near-IR Counterparts (2005)

Brand, Kate, Brown, Michael J. I., Dey, Arjun, Jannuzi, Buell T., Kochanek, Christopher S., Kenter, Almus T., ...

The XBootes Survey is a 5-ks Chandra survey of the Bootes Field of the NOAO Deep Wide-Field Survey (NDWFS). This survey is unique in that it is the largest (9.3 deg^2), contiguous region imaged in...

Absolute Calibration of the Infrared Array Camera on the Spitzer Space Telescope (2005)

Reach, William T., Megeath, S. T., Cohen, Martin, Hora, J., Carey, Sean, Surace, Jason, ...

The Infrared Array Camera (IRAC) on the Spitzer Space Telescope is absolutely calibrated by comparing photometry on a set of A stars near the north ecliptic pole to predictions based on ground-based...

Spitzer view on the evolution of star-forming galaxies from z=0 to z~3 (2005)

Perez-Gonzalez, Pablo G., Rieke, George H., Egami, Eiichi, Alonso-Herrero, Almudena, Dole, Herve, Papovich, Casey, ...

We use a 24 micron selected sample containing more than 8,000 sources to study the evolution of star-forming galaxies in the redshift range from z=0 to z~3. We obtain photometric redshifts for most...

IRAC mid-infrared imaging of the Hubble Deep Field-South: Star formation histories and stellar masses of red galaxies at z>2 (2005)

Labbé, Ivo, Huang, Jiasheng, Franx, Marijn, Rudnick, Gregory, Barmby, Pauline, Daddi, Emanuele, ...

We present deep 3.6-8 mum imaging of the Hubble Deep Field-South with the Infrared Array Camera (IRAC) on the Spitzer Space Telescope. We study distant red galaxies (DRGs) at z>2 selected by...

IRAC Colors of Young Stellar Objects (2004)

Allen, Lori E., Calvet, Nuria, D'Alessio, Paola, Merin, Bruno, Hartmann, Lee, Megeath, S. Thomas, ...

We compare the infrared colors predicted by theoretical models of protostellar envelopes and protoplanetary disks with initial observations of young stellar objects made with the Infrared Array...

Warm molecular gas in galaxy-galaxy merger NGC6090 (2004)

Wang, Junzhi, Zhang, Qizhou, Wang, Zhong, Ho, Paul T. P., Fazio, Giovanni G., Wu, Yuefang

We present observations of the CO 2-1 and 3-2 transitions toward the merging galaxies of NGC6090 with the Submillimeter Array (SMA) (The Submillimeter Array (SMA) is a joint project between the...

Mid-IR Observations of Mira Circumstellar Environment (2001)

Marengo, Massimo, Karovska, Margarita, Fazio, Giovanni G., Hora, Joseph L., Hoffmann, William F., Dayal, Aditya, ...

This paper presents results from high-angular resolution mid-IR imaging of the Mira AB circumbinary environment using the MIRAC3 camera at the NASA Infrared Telescope Facility (IRTF). We resolved the...

Mid-Infrared Imaging of Candidate Vega-Like Systems (2001)

Jayawardhana, Ray, Fisher, R. Scott, Telesco, Charles M., Pina, Robert K., Navascues, David Barrado Y, Hartmann, Lee W., ...

We have conducted deep mid-infrared imaging of a relatively nearby sample of candidate Vega-like stars using the OSCIR instrument on the CTIO 4-meter and Keck II 10-meter telescopes. Our discovery of...

Spatial Distributions of Multiple Dust Components in the PPN/PN Dust Shells (2000)

Ueta, Toshiya, Speck, Angela K., Meixner, Margaret, Dayal, Aditya, Hora, Joseph L., Fazio, Giovanni G., ...

We investigate spatial distributions of specific dust components in the circumstellar shells of a proto-planetary nebula candidate, HD 179821, and a planetary nebula, BD$+30^{\circ}$3639, by means of...

Mid-infrared imaging of the massive young star AFGL 2591: Probing the circumstellar environment of an outflow source (2000)

Marengo, Massimo, Jayawardhana, Ray, Fazio, Giovanni G., Hoffmann, William F., Hora, Joseph L., Dayal, Aditya, ...

Most, if not all, stars are now believed to produce energetic outflows during their formation. Yet, almost 20 years after the discovery of bipolar outflows from young stars, the origins of this...

Dust in the 55 Cancri planetary system (2000)

Jayawardhana, Ray, Holland, Wayne S., Greaves, Jane S., Dent, William R. F., Marcy, Geoffrey W., Hartmann, Lee W., ...

The presence of debris disks around $\sim$ 1-Gyr-old main sequence stars suggests that an appreciable amount of dust may persist even in mature planetary systems. Here we report the detection of dust...

Calibration and performance of the Infrared Array Camera (IRAC) (2000)

Joseph L. Hora, Giovanni G. Fazio, Steven P. Willner, Jiasheng Huang, ...

The Infrared Array Camera (IRAC) is one of three focal plane instruments in the Space Infrared Telescope Facility (SIRTF). IRAC is a four-channel camera that obtains simultaneous images at 3.6, 4.5,...

Time Evolution and the Nature of the Near-Infrared Jets in GRS1915+105 (1996)

Eikenberry, Stephen S., Fazio, Giovanni G.

We observed the galactic microquasar GRS1915+105 in the K ($2.2 \mu$m) band on October 16 and 17, 1995 UTC using the COB infrared (IR) imager on the Kitt Peak National Observatory 2.1-m telescope...

The Infrared to Gamma-Ray Pulse Shape of the Crab Nebula Pulsar (1996)

Eikenberry, Stephen S., Fazio, Giovanni G.

We analyze the pulse shape of the Crab Nebula pulsar in the near-infrared, optical, ultraviolet, X-ray, and gamma-ray bands, including previously unpublished ROSAT HRI observations. We show that, in...