Martin Cohen

Calibration and Performance of the AKARI Far-Infrared Surveyor (FIS) -- Slow-Scan Observation Mode for Point Sources (2009)

Shirahata, Mai, Matsuura, Shuji, Hasegawa, Sunao, Ootsubo, Takafumi, Makiuti, Sin'itirou, Yamamura, Issei, ...

We present the characterization and calibration of the Slow-Scan observation mode of the Far-Infrared Surveyor (FIS) onboard the AKARI satellite. The FIS, one of the two focal-plane instruments on...

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...

The Mass-Loss Return From Evolved Stars to the LMC: Empirical Relations for Excess Emission at 8 and 24 \mu m (2009)

Srinivasan, Sundar, Meixner, Margaret, Leitherer, Claus, Vijh, Uma, Volk, Kevin, Blum, Robert D., ...

We present empirical relations describing excess emission from evolved stars in the Large Magellanic Cloud (LMC) using data from the SAGE (Surveying the Agents of a Galaxy's Evolution) survey which...

The Extended Environment of M17: A Star Formation History (2009)

Povich, Matthew S., Churchwell, Ed, Bieging, John H., Kang, Miju, Whitney, Barbara A., Brogan, Crystal L., ...

M17 is one of the youngest and most massive nearby star-formation regions in the Galaxy. It features a bright H II region erupting as a blister from the side of a giant molecular cloud (GMC)....

The Formation and Evolution of Planetary Systems: Description of the Spitzer Legacy Science Database (2008)

Carpenter, John M., Bouwman, Jeroen, Silverstone, Murray D., Kim, Jinyoung Serena, Stauffer, John, Cohen, Martin, ...

We present the science database produced by the Formation and Evolution of Planetary Systems (FEPS) Spitzer Legacy program. Data reduction and validation procedures for the IRAC, MIPS, and IRS...

Intrinsically Red Sources observed by Spitzer in the Galactic Mid-Plane (2008)

Robitaille, Thomas P., Meade, Marilyn R., Babler, Brian L., Whitney, Barbara A., Johnston, Katharine G., Indebetouw, Remy, ...

We present a highly reliable flux-limited census of 18,949 point sources in the Galactic mid-plane that have intrinsically red mid-infrared colors. These sources were selected from the Spitzer Space...

Spitzer survey of the Large Magellanic Cloud, surveying the agents of a galaxy's evolution (SAGE). IV. Dust properties in the interstellar medium (2008)

Bernard, Jean-Philippe, Reach, William T., Paradis, Deborah, Meixner, Margaret, Paladini, Roberta, Kawamura, Akiko, ...

The goal of this paper is to present the results of a preliminary analysis of the extended infrared (IR) emission by dust in the interstellar medium (ISM) of the Large Magellanic Cloud (LMC). We...

The Formation and Evolution of Planetary Systems: Description of the Spitzer Legacy Science Database (2008)

Carpenter, John M., Bouwman, Jeroen, Silverstone, Murray D., Kim, Jinyoung Serena, Stauffer, John, Cohen, Martin, ...

We present the science database produced by the Formation and Evolution of Planetary Systems (FEPS) Spitzer Legacy program. Data reduction and validation procedures for the IRAC, MIPS, and IRS...

NICMOS Spectrophotometry and Models for A-Stars (2008)

Bohlin, R. C., Cohen, Martin

Absolute flux distributions for eight stars are well measured from 0.8-2.5mu m with NICMOS grism spectrophotometry at a resolution of R~100 and an accuracy of 1-2%. These SEDs are fit with Castelli &...

Molecules and dust production in the Magellanic Clouds (2008)

Van Loon, Jacco Th., Cohen, Martin, Oliveira, Joana M., Matsuura, Mikako, McDonald, Iain, Sloan, Gregory C., ...

We present ESO/VLT spectra in the 2.9-4.1 micron range for a large sample of infrared stars in the Small Magellanic Cloud (SMC), mainly carbon stars, massive oxygen-rich Asymptotic Giant Branch (AGB)...

The formation and evolution of planetary systems: description of the Spitzer Legacy Science database (2008)

Carpenter, John M., Bouwman, Jeroen, Silverstone, Murray D., Kim, Jinyoung Serena, Stauffer, John, Cohen, Martin, ...

We present the science database produced by the Formation and Evolution of Planetary Systems (FEPS) Spitzer Legacy program. Data reduction and validation procedures for the IRAC, MIPS, and IRS...

Band divided--the dispute surrounding the applications for the registration of 'Frankie Goes To Hollywood' as both UK and Community trade marks (2008)

Cohen, Martin

Both the UKIPO and OHIM rule in favour of the opposition brought by a group of reunited band members against an application by a sole former member to register the band's name as a trade mark.

Near-infrared and Mid-infrared Spectroscopy with the Infrared Camera (IRC) for AKARI (2007)

Ohyama, Youichi, Onaka, Takashi, Matsuhara, Hideo, Wada, Takehiko, Kim, Woojung, Fujishiro, Naofumi, ...

The Infrared Camera (IRC) is one of the two instruments on board the AKARI satellite. In addition to deep imaging from 1.8-26.5um for the pointed observation mode of the AKARI, it has a spectroscopic...

Infrared point source variability between the Spitzer and MSX surveys of the Galactic mid-plane (2007)

Robitaille, Thomas P., Cohen, Martin, Whitney, Barbara A., Meade, Marilyn, Babler, Brian, Indebetouw, Remy, ...

We present a list of 552 sources with suspected variability, based on a comparison of mid-infrared photometry from the GLIMPSE I and MSX surveys, which were carried out nearly a decade apart. We were...

The Far-Infrared Surveyor (FIS) for AKARI (2007)

Kawada, Mitsunobu, Baba, Hajime, Barthel, Peter D., Clements, David, Cohen, Martin, Doi, Yasuo, ...

The Far-Infrared Surveyor (FIS) is one of two focal plane instruments on the AKARI satellite. FIS has four photometric bands at 65, 90, 140, and 160 um, and uses two kinds of array detectors. The FIS...

Spitzer IRAC observations of newly-discovered planetary nebulae from the Macquarie-AAO-Strasbourg H-alpha Planetary Nebula Project (2007)

Cohen, Martin, Parker, Quentin A., Green, Anne J., Murphy, Tara, Miszalski, Brent, Frew, David J., ...

We compare H-alpha, radio continuum, and Spitzer Space Telescope (SST) images of 58 planetary nebulae (PNe) recently discovered by the Macquarie-AAO-Strasbo- urg H-alpha PN Project (MASH) of the...

Spectral signatures of photosynthesis II: coevolution with other stars and the atmosphere on extrasolar worlds (2007)

Kiang, Nancy Y., Segura, Antigona, Tinetti, Giovanna, Blankenship, Robert E., Cohen, Martin, ...

As photosynthesis on Earth produces the primary signatures of life that can be detected astronomically at the global scale, a strong focus of the search for extrasolar life will be photosynthesis,...

The Formation and Evolution of Planetary Systems: Placing Our Solar System in Context with Spitzer (2007)

Meyer, Michael R., Hillenbrand, Lynne A., Backman, Dana, Beckwith, Steve, Bouwman, Jeroen, Brooke, Tim, ...

We provide an overview of the Spitzer Legacy Program ``Formation and Evolution of Planetary Systems" (FEPS) which was proposed in 2000, begun in 2001, and executed aboard the Spitzer Space Telescope...

Spitzer IRAC observations of newly discovered planetary nebulae from the Macquarie-AAO-Strasbourg Ha Planetary Nebulae Project (2007)

Cohen, Martin, Parker, Quentin A, Watson, Christer, Churchwell, Edward B, Watson, Douglas F, Green, Anne J, ...

We compare Hα, radio continuum, and Spitzer Space Telescope images of 58 planetary nebulae (PNe) recently discovered by the Macquarie-AAO-Strasbourg Hα PN Project (MASH) of the SuperCOSMOS Hα...

Absolute diffuse calibration of IRAC through mid-infrared and radio study of HII regions (2006)

Cohen, Martin, Green, Anne J., Meade, Marilyn R., Babler, Brian, Indebetouw, Remy, Whitney, Barbara A., ...

We investigate the diffuse absolute calibration of the InfraRed Array Camera on the Spitzer Space Telescope at 8.0microns using a sample of 43 HII regions with a wide range of morphologies near...

Spitzer Survey of the Large Magellanic Cloud, Surveying the Agents of a Galaxy's Evolution (SAGE) I: Overview and Initial Results (2006)

Meixner, Margaret, Gordon, Karl D., Indebetouw, Remy, Hora, Joseph L., Whitney, Barbara, Blum, Robert, ...

We are performing a uniform and unbiased, ~7x7 degrees imaging survey of the Large Magellanic Cloud (LMC), using the IRAC and MIPS instruments on board the Spitzer Space Telescope in order to survey...

Massive-Star Supernovae as Major Dust Factories (2006)

Sugerman, Ben E. K., Ercolano, Barbara, Barlow, M. J., Clayton, Geoffrey C., Zijlstra, Albert A., ...

We present late-time optical and mid-infrared observations of the Type-II supernova 2003gd in NGC 628. Mid-infrared excesses consistent with cooling dust in the ejecta are observed 499-678 days after...

Radio observations of the planetary nebula around the OH/IR Star OH354.88-0.54 (V1018 Sco) (2006)

Cohen, Martin, Chapman, Jessica M., Deacon, Rachel M., Sault, Robert J., Parker, Quentin A., Green, Anne J.

We present radio observations of the unique, recently formed, planetary nebula (PN) associated with a very long-period OH/IR variable star V1018 Sco that is unequivocally still in its asymptoticgiant...

Radio observations of the planetary nebula around the OH/IR star OH 354.88-0.54 (V1018 Sco) (2006)

Cohen, Martin, Chapman, Jessica M, Deacon, Rachel M, Sault, Robert J, Parker, Quentin A, Green, Anne J

We present radio observations of the unique, recently formed, planetary nebula (PN) associated with a very long-period OH/IR variable star V1018 Sco that is unequivocally still in its asymptotic...

Radio observations of the planetary nebula around the OH/IR star OH 354.88-0.54 (V1018 Sco) (2006)

Cohen, Martin, Chapman, Jessica M, Deacon, Rachel M, Sault, Robert J, Parker, Quentin A, Green, Anne J

We present radio observations of the unique, recently formed, planetary nebula (PN) associated with a very long-period OH/IR variable star V1018 Sco that is unequivocally still in its asymptotic...

Lo scarabeo di Wittgenstein e altri classici esperimenti mentali (2006)

Cohen, Martin

Lo scarabeo di Wittgenstein e altri classici esperimenti mentali, Martin Cohen. . - Roma, Carocci, 2006.

The Cosmological Significance of High-Velocity Cloud Complex H (2005)

Simon, Joshua D., Blitz, Leo, Cole, Andrew A., Weinberg, Martin D., Cohen, Martin

We have used infrared and radio observations to search for a dwarf galaxy associated with the high-velocity cloud (HVC) known as Complex H. Complex H is a large (> 400 deg^2) and probably nearby (d =...

Very Large Telescope three micron spectra of dust-enshrouded red giants in the Large Magellanic Cloud (2005)

Van Loon, Jacco Th., Marshall, Jonathan R., Cohen, Martin, Matsuura, Mikako, Wood, Peter R., Yamamura, Issei, ...

We present ESO/VLT spectra in the 2.9--4.1 micron range for a large sample of infrared stars in the Large Magellanic Cloud (LMC), selected on the basis of MSX and 2MASS colours to be extremely...

Biosignatures from Earth-Like Planets Around M Dwarfs (2005)

Segura, Antigona, Kasting, James F., Meadows, Victoria, Cohen, Martin, Scalo, John, Crisp, David, ...

Coupled one-dimensional photochemical-climate calculations have been performed for hypothetical Earth-like planets around M dwarfs. Visible, near-infrared and thermal-infrared synthetic spectra of...

"PAH" emission bands in selected planetary nebulae: a study of the behaviour with gas phase C/O ratio (2005)

Cohen, Martin, Barlow, Michael J.

Airborne and space-based low-resolution spectroscopy in the 1980s discovered tantalizing quantitative relationships between the gas phase C/O abundance ratio in planetary nebulae (PNe) and the...

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...

Formation and Evolution of Planetary Systems: Cold Outer Disks Associated with Sun-like stars (2005)

Kim, Jinyoung Serena, Hines, Dean C., Backman, Dana E., Hillenbrand, Lynne A., Meyer, Michael R., Rodmann, Jens, ...

We present the discovery of debris systems around three solar mass stars based upon observations performed with the Spitzer Space Telescope as part of a Legacy Science Program, ``the Formation and...

A New Wolf-Rayet Star and its Ring Nebula: PCG11 (2005)

Cohen, Martin, Parker, Quentin A., Green, Anne J.

In a search for new Galactic planetary nebulae from our systematic scans of the Anglo-Australian Observatory/United Kingdom Schmidt Telescope (AAO/UKST) Halpha survey of the Southern Galactic Plane,...

G313.3+00.3: A New Planetary Nebula discovered by the Australia Telescope Compact Array and the Spitzer Space Telescope (2005)

Cohen, Martin, Green, Anne J., Roberts, Mallory S. E., Meade, Marilyn R., Babler, Brian, Indebetouw, Remy, ...

We present a new planetary nebula, first identified in images from the Australia Telescope Compact Array, although not recognized at that time. Recent observations with the Spitzer Space Telescope...

Far-Infrared and Millimeter Continuum Studies of K Giants: Alpha Boo and Alpha Tau (2005)

Cohen, Martin, Carbon, Duane F., Welch, William J., Lim, Tanya, Schulz, Bernhard, McMurry, A. D., ...

We have imaged two normal, non-coronal, infrared-bright K giants, Alpha Tau and Alpha Boo, in the 1.4-mm and 2.8-mm continuum using the Berkeley Illinois Maryland Association millimeter array. These...

Demand Forecasting with Program Factors (2005)

Cohen, Martin

Empirical demand forecasting studies have raised doubt about the often-made assumption that repair part demand is proportional to end-item usage. The study was made to test this assumption using a...

Formation and evolution of planetary systems: Cold outer disks associated with sun-like stars (2005)

Kim, Jinyoung Serena, Hines, Dean C., Backman, Dana E., Hillenbrand, Lynne A., Meyer, Michael R., Rodmann, Jens, ...

We present the discovery of debris systems around three Sun-like stars based on observations performed with the Spitzer Space Telescope as part of a Legacy Science Program, ``The Formation and...

A Circular planetary nebula around the OH/IR star OH 354.88-0.54 (V1018 Sco) (2005)

Cohen, Martin, Parker, Quentin A, Chapman, Jessica

New deep, high-resolution Hα imagery from the UK Schmidt Telescope (UKST) Unit's Hα survey of the Southern Galactic Plane reveals the presence of a faint, highly circular, planetary nebula (PN)...

A New Wolf-Raynet star and its ring nebula : PCG 11 (2005)

Cohen, Martin, Parker, Quentin A, Green, Anne J

In a search for new Galactic planetary nebulae from our systematic scans of the Anglo-Australian Observatory/United Kingdom Schmidt Telescope (AAO/UKST) Hα Survey of the Southern Galactic Plane, we...

A Circular Planetary Nebula around the OH/IR Star OH 354.88-0.54 (V1018 Sco) (2004)

Cohen, Martin, Parker, Quentin A, Chapman, Jessica

New deep, high-resolution H-alpha imagery from the UK Schmidt Telescope (UKST) Unit's H-alpha survey of the Southern Galactic Plane reveals the presence of a faint, highly circular, planetary nebula...

The Wavelength Dependence of Interstellar Extinction from 1.25 to 8.0 microns Using GLIMPSE Data (2004)

Indebetouw, R., Mathis, J. S., Babler, B. L., Meade, M. R., Watson, C., Whitney, B. A., ...

We determine and tabulate A(lambda)/A(K), the wavelength dependence of interstellar extinction, in the Galactic plane for 1.25um

Constraining the Lifetime of Circumstellar Disks in the Terrestrial Planet Zone: A Mid-IR Survey of the 30-Myr-old Tucana-Horologium Association (2004)

Mamajek, Eric E., Meyer, Michael R., Hinz, Philip M., Hoffmann, William F., Cohen, Martin, Hora, Joseph L.

We have conducted an N-band survey of 14 young stars in the ~30 Myr-old Tucana-Horologium Association to search for evidence of warm, circumstellar dust disks. Using the MIRAC-BLINC camera on the...

2-D Radiative Transfer in Protostellar Envelopes: II. An Evolutionary Sequence (2003)

Whitney, Barbara A., Wood, Kenneth, Bjorkman, J. E., Cohen, Martin

We present model spectral energy distributions, colors, polarization, and images for an evolutionary sequence of a low-mass protostar from the early collapse stage (Class 0) to the remnant disk stage...

GLIMPSE: I. A SIRTF Legacy Project to Map the Inner Galaxy (2003)

Benjamin, Robert A., Churchwell, E., Babler, Brian L., Bania, T. M., Clemens, Dan P., Cohen, Martin, ...

GLIMPSE (Galactic Legacy Infrared Mid-Plane Survey Extraordinaire), a SIRTF Legacy Science Program, will be a fully sampled, confusion-limited infrared survey of the inner two-thirds of the Galactic...

Spectral Irradiance Calibration in the Infrared. XIII. "Supertemplates" and On-Orbit Calibrators for SIRTF's Infrared Array Camera (IRAC) (2003)

Cohen, Martin, Megeath, S. T., Hammersley, Peter L., Martin-Luis, Fabiola, Stauffer, John

We describe the technique used to develop on-orbit calibrators for IRAC and validate the method for either K0-M0III or A0-A5V stars. For SIRTF, the approach uses all available optical, NIR, and MIR...

Spectral Irradiance Calibration in the Infrared. XIV: the Absolute Calibration of 2MASS (2003)

Cohen, Martin, Wheaton, Wm. A., Megeath, S. T.

Element-by-element we have combined the optical components in the three 2MASS cameras, and incorporated detector quantum efficiency curves and site-specific atmospheric transmissions, to create three...

A Unique Galactic planetary nebula with a [WN] central star (2003)

Morgan, D. H, Parker, Q. A, Cohen, Martin

We report the discovery of the first probable Galactic [WN] central star of a planetary nebula (CSPN). The planetary nebula candidate was found during our systematic scans of the AAO/UKST Hα Survey...

The Large-scale Bipolar Wind in the Galactic Center (2002)

Bland-Hawthorn, Joss, Cohen, Martin

During a 9-month campaign (1996--1997), the Midcourse Space Experiment (MSX) satellite mapped the Galactic Plane at mid-infrared wavelengths (4.3--21.3um). Here we report evidence for a spectacular...

The ERE of the "Red Rectangle" revisited (2002)

Van Winckel, Hans, Cohen, Martin, Gull, Ted R.

We present in this paper high signal-to-noise long-slit optical spectra of the Extended Red Emission (ERE) in the "Red Rectangle" (RR) nebula. These spectra, obtained at different positions in the...

Reliability Prediction Modeling of New Devices. (2002)

Long,Roger G., Cohen,Martin

This report presents reliability prediction models for high density microcircuits including magnetic bubble and charge-coupled device memories for inclusion in MIL-HDBK-217C, 'Reliability Prediction...

Two Methodologies for Combat Unit Stockage. (2002)

Cohen, Martin, Frazza, Sally, LeBlanc, Larry, Kaplan, Alan

The purpose of the report is to present two new algorithms for developing stockage lists of support items for weapon systems at Army Organization level, and to present empirical results of their...

Mid-infrared, Hα and radio continuum images of an unusual H II region, G308.70 + 0.60 (2002)

Cohen, Martin, Green, Anne J, Parker, Quentin A, Mader, Stacy, Cannon, Russell D

We report on a multi-wavelength study of images in the mid-infrared (MIR), Hα and radio continuum of an unusual H ii region, G308.70 + 0.60. Using images from the Midcourse Space Experiment (MSX)...

Water Ice, Silicate and PAH Emission Features in the ISO Spectrum of the Carbon-rich Planetary Nebula CPD-56 8032 (1999)

Cohen, Martin, Barlow, M. J., Sylvester, R. J., Cox, P., Lim, T., ...

Combined ISO SWS and LWS spectroscopy is presented of the late WC-type planetary nebula nucleus CPD-56 8032 and its carbon-rich nebula. The extremely broad coverage (2.4-197 microns) enables us to...

New Version of NASA-Ames/Jamieson Science and Engineering Point Source Infrared Sky Model. (1998)

Cohen, Martin

Our existing Sky Model for the point source infrared sky is extended to make predictions for any filter lying wholly within the range 2, 0 to 35.0 microns. To support this extension we have developed...

Infrared Celestial Backgrounds Studies, Volume 1. Summary of Project Goals and Accomplishments (1998)

Walker, Russell G., Cohen, Martin

The purpose of this program was to extend and improve the present capability to predict celestial phenomenology pertinent to the design and successful operation of space based surveillance systems...

Infrared Celestial Backgrounds Studies, Volume 2. A Radiometric All-Sky Network of Absolutely Calibrated Stellar Spectra (1998)

Walker, Russell G., Cohen, Martin

The purpose of this program was to extend and improve the present capability to predict celestial phenomenology pertinent to the design and successful operation of space based surveillance systems...

Irradiance Calibration of Space-Based Infrared Sensors (1998)

Walker, Russell, Cohen, Martin

The purpose of this work is to develop a basis for irradiance calibration of space-based sensors. It is an extension of previous work that fully defines the context of calibration, and the concepts...

Irradiance Calibration of Space-Based Infrared Sensors (1998)

Walker, Russell, Cohen, Martin

The purpose of this work is to develop a basis for irradiance calibration of spacebased infrared sensors. It is an extension of previous work that fully defines the context of the calibration, and...

Irradiance Calibration of Space-Based Infrared Sensors (1998)

Walker, Russell, Cohen, Martin

The purpose of this work is to develop a basis for irradiance calibration of space-based infrared sensors. It is an extension of previous work that fully defines the context of the calibration, and...

Irradiance Calibration of Space-Based Infrared Sensors (1998)

Walker, Russell G., Cohen, Martin

The purpose of this work is to develop a basis for irradiance calibration of space-based infrared sensors. It is an extension of previous work that fully defines the context of the calibration, and...

Irradiance Calibration of Space-Based Infrared Sensors (1998)

Walker, Russell G., Jayaraman, Sumita, Cohen, Martin, Barker, Elizabeth

The purpose of this work is to develop a basis for irradiance calibration of space-based infrared sensors. It is an extension of previous work that fully defines the context of the calibration, and...

An Optical/Near-Infrared Study of Radio-Loud Quasar Environments I. Methods and z=1-2 Observations (1998)

Hall, Patrick B., Green, Richard F., Cohen, Martin

We have conducted an optical/near-infrared study of the environments of radio-loud quasars (RLQs) at redshifts z=0.6-2. In this paper we discuss the sample selection and observations for the z=1-2...

Silent boundary methods for transient wave analysis (1980)

Cohen, Martin

This thesis sets forth a dynamic model, designed to absorb infinitely radiating waves in a finite, computational grid. The analysis is primarily directed toward the problem of sail-structure...

EXPERIMENTS ON THE CULTIVATION OF SO CALLED TRACHOMA BODIES

Noguchi, Hideyo, Cohen, Martin

1. An organism was isolated and studied in pure cultures from cases of conjunctivitis accompanied by the so called trachoma body inclusions, as well as from a case of old trachoma without inclusions....

BACTERIOLOGICAL AND CLINICAL STUDIES OF AN EPIDEMIC OF KOCH-WEEKS BACILLUS CONJUNCTIVITIS ASSOCIATED WITH CELL INCLUSION CONJUNCTIVITIS

Noguchi, Hideyo, Cohen, Martin

1. There are cases in which epithelial cell inclusions may alone be present in the conjunctival smears. In such cases no other pathogenic organisms, such as the Koch-Weeks bacillus or the...