output
19932026
most citedObservational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant

19.6k citations

Showing 2002 · astro-phShow all

86 papers · 2 filters

astro-ph2002★ 37 cited

Optical and Near-Infrared Spectroscopy of a High-Redshift, Hard X-ray Emitting Spiral Galaxy

Steve Dawson, Nate McCrady, Daniel Stern +4

We present optical and near-infrared Keck spectroscopy of CXOHDFN J123635.6+621424 (hereafter HDFX28), a hard X-ray source at a redshift of z = 2.011 in the flanking fields of the…

astro-ph2002★ 61 cited

Absorption Line Survey of H3+ toward the Galactic Center Sources I. GCS 3-2 and GC IRS3

M. Goto, B. J. McCall, T. R. Geballe +4

We present high-resolution (R = 20000) spectroscopy of H3+ absorption toward the luminous Galactic center sources GCS 3-2 and GC IRS 3. With the efficient wavelength coverage affor…

astro-ph2002★ 85 cited

Zero-metallicity stars II. Evolution of very massive objects with mass loss

P. Marigo, C. Chiosi, R. -P. Kudritzki

We present evolutionary models of zero-metallicity very massive objects, with initial masses in the range 120 Msun -- 1000 Msun, covering their quiescent evolution up to central ca…

astro-ph2002★ 80 cited

Cosmological constraints from evolution of cluster baryon mass function at z~0.5

A. Vikhlinin, A. Voevodkin, C. R. Mullis +8

We present a new method for deriving cosmological constraints based on the evolution of the baryon mass function of galaxy clusters, and implement it using 17 distant clusters from…

astro-ph2002★ 13 cited

Deep Near-Infrared Observations and Identifications of Chandra Sources in the Orion Molecular Cloud 2 and 3

M. Tsujimoto, K. Koyama, N. Kobayashi +3

We conducted deep NIR imaging observations of the Orion molecular cloud 2 and 3 using QUIRC on the 88-inch telescope of the University of Hawaii. Our purposes are 1) to generate a…

astro-ph2002★ 17 cited

SDSSp J104433.04012502.2 at is Gravitationally Magnified by an Intervening Galaxy

Yasuhiro Shioya, Yoshiaki Taniguchi, Takashi Murayama +15

During the course of our optical deep survey program on L emitters at in the sky area surrounding the quasar SDSSp J104433.04012502.2 at , we found th…

astro-ph2002★ 166 cited

Astrophysics of Young Star Binaries

L. Prato, T. P. Greene, M. Simon

This paper describes our study of the astrophysics of individual components in close pre-main-sequence binaries. We observed both stars in 17 systems, located in 4 nearby star form…

astro-ph2002★ 1k cited

A Method of Correcting Near-Infrared Spectra for Telluric Absorption

William D. Vacca, Michael C. Cushing, John T. Rayner

We present a method for correcting near-infrared medium-resolution spectra for telluric absorption. The method makes use of a spectrum of an A0V star, observed near in time and clo…

astro-ph2002★ 53 cited

VLT and HST Observations of the Host Galaxy of GRB990705

E. Le Floc'h, P. -A. Duc, I. F. Mirabel +6

We present VLT spectroscopic observations of Gamma-Ray Burst (GRB) 990705 host galaxy and highlight the benefits provided by the prompt-phase features of GRBs to derive the redshif…

astro-ph2002★ 109 cited

Correlations of Richness and Global Properties in Galaxy Clusters

H. K. C. Yee, E. Ellingson

We measure the optical richness of galaxy clusters from the CNOC1 cluster redshift survey using the galaxy-cluster center correlation amplitude B_gc. We show that the B_gc values m…

astro-ph2002★ 80 cited

The Properties of Microjansky Radio Sources in the HDF-N, SSA13, and SSA22 Fields

S. C. Chapman, A. J. Barger, L. L. Cowie +9

(abridged) We present multiwavelength observations for a large sample of microjansky radio sources detected in ultradeep 1.4GHz maps centered on the Hubble Deep Field-North (HDF-N)…

astro-ph2002★ 27 cited

Cosmological Perturbation Theory Using the Schrödinger Equation

Istvan Szapudi, Nick Kaiser

We introduce the theory of non-linear cosmological perturbations using the correspondence limit of the Schrödinger equation. The resulting formalism is equivalent to using the coll…

astro-ph2002★ 28 cited

Jovian dust streams: Probes of the Io plasma torus

Harald Krueger, Mihaly Horanyi, Eberhard Gruen

Jupiter was discovered to be a source of high speed dust particles by the Ulysses spacecraft in 1992. These dust particles originate from the volcanic plumes on Io. They collect el…

astro-ph2002★ 111 cited

A Survey for Circumstellar Disks Around Young Substellar Objects

Michael C. Liu, Joan Najita, Alan T. Tokunaga

(Abridged) We have completed the first systematic survey for disks around spectroscopically identified young brown dwarfs and very low mass stars. We have obtained L'-band (3.8 um)…

astro-ph2002★ 152 cited

A Submillimeter and Radio Survey of Gamma-Ray Burst Host Galaxies: A Glimpse into the Future of Star Formation Studies

E. Berger, L. L. Cowie, S. R. Kulkarni +3

We present the first comprehensive search for submillimeter and radio emission from the host galaxies of twenty well-localized gamma-ray bursts (GRBs). With the exception of a sing…

astro-ph2002★ 40 cited

Evolution of Elliptical Galaxies at z >~ 1 Revealed from a Large, Multicolor Sample of Extremely Red Objects

M. Miyazaki, K. Shimasaku, T. Kodama +23

We study the evolution of elliptical galaxies at z >~ 1 on the basis of a sample of 247 Extremely Red Objects (EROs) with R-Ks >= 3.35 (AB) and Ks <= 22.1 (AB) constructed from BVR…

astro-ph2002★ 14 cited

Observations of [S IV] 10.5 micron and [Ne II] 12.8 micron in Two Halo Planetary Nebulae: Implications for Chemical Self-Enrichment

Harriet L. Dinerstein, Matthew J. Richter, John H. Lacy +1

We have detected the [S IV] 10.5 micron and [Ne II] 12.8 micron fine-structure lines in the halo population planetary nebula (PN) DdDm 1, and set upper limits on their intensities…

astro-ph2002★ 268 cited

Measuring Distances and Probing the Unresolved Stellar Populations of Galaxies Using Infrared Surface Brightness Fluctuations

Joseph B. Jensen, John L. Tonry, Brian J. Barris +5

To empirically calibrate the IR surface brightness fluctuation (SBF) distance scale and probe the properties of unresolved stellar populations, we measured fluctuations in 65 galax…

astro-ph2002★ 63 cited

Carbon Abundances of Faint Stars in M13 - Evidence for Two Abundance Altering Mechanisms

Michael M. Briley, Judith G. Cohen, Peter B. Stetson

We present an analysis of CH band strengths in Keck LRIS spectra of a sample of 81 stars in M13 within 2 magnitudes of the main-sequence turnoff. The subgiants clearly exhibit a su…

astro-ph2002★ 7 cited

Mid-Infrared Identification of Faint Submillimeter Sources

Y. Sato, L. L. Cowie, K. Kawara +4

Faint submillimeter sources detected with the Submillimeter Common-User Bolometer Array on the James Clerk Maxwell Telescope have faced an identification problem due to the telesco…

astro-ph2002★ 100 cited

The Hawaii-AAO K-band Galaxy Redshift Survey -- Paper I: The Local K-band Luminosity Function

J. -S. Huang, K. Glazebrook, L. L. Cowie +1

We present the K-band local luminosity function derived froma sample of 1056 bright (K<15) K-selected galaxies from the Hawaii-AAO K-band redshift survey. The Hawaii-AAO K-band red…

astro-ph2002★ 520 cited

Science Objectives and Early Results of the DEEP2 Redshift Survey

Marc Davis, Sandra M. Faber, Jeffrey A. Newman +18

The DEIMOS spectrograph has now been installed on the Keck-II telescope and commissioning is nearly complete. The DEEP2 Redshift Survey, which will take approximately 120 nights at…

astro-ph2002★ 28 cited

Data analysis methods for XMM-Newton observations of extended sources. Application to bright massive clusters of galaxies at z=0.2

Philippe B. Marty, Jean-Paul Kneib, Rachida Sadat +2

In this paper, a review is given of methods useful for XMM-Newton EPIC data analysis of extended sources, along with some applications to a bright massive cluster of galaxies at z=…

astro-ph2002★ 77 cited

FeH Absorption in the Near-Infrared Spectra of Late M and L Dwarfs

M. C. Cushing, J. T. Rayner, S. P. Davis +1

We present medium-resolution z-, J-, and H-band spectra of four late-type dwarfs with spectral types ranging from M8 to L7.5. In an attempt to determine the origin of numerous weak…