Pentericci, Laura, Rix, Hans W., Prada, Francisco, Fan, Xiaohui, Strauss, Michael A., Schneider, Donald P., ...
We present J-H-K' photometry for a sample of 45 high redshift quasars found by the Sloan Digital Sky Survey. The sample was originally selected on the basis of optical colors and spans a redshift...
Fan, Xiaohui, Strauss, Michael A., Schneider, Donald P., Becker, Robert H., White, Richard L., Haiman, Zoltan, ...
We present the discovery of three new quasars at z>6 in 1300 deg^2 of SDSS imaging data, J114816.64+525150.3 (z=6.43), J104845.05+463718.3 (z=6.23) and J163033.90+401209.6 (z=6.05). The first two...
The first data release of the sloan digital sky survey (2003)
Abazajian, Kevork, Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Scott F., Annis, James, ...
The first data release of the sloan digital sky survey (2003)
Abazajian, Kevork, Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Scott F., Annis, James, ...
The first data release of the Sloan Digital Sky Survey (2003)
Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Scott F., Annis, James, ...
The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its First Data Release. This consists of 2099 deg2 of five-band (u, g, r, i, z) imaging data, 186,240 spectra of...
The first data release of the Sloan Digital Sky Survey (2003)
Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Scott F., Annis, James, ...
The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its First Data Release. This consists of 2099 deg2 of five-band (u, g, r, i, z) imaging data, 186,240 spectra of...
Spectroscopic Target Selection in the Sloan Digital Sky Survey: The Main Galaxy Sample (2002)
Strauss, Michael A., Weinberg, David H., Lupton, Robert H., Narayanan, Vijay K.
We describe the algorithm that selects the main sample of galaxies for spectroscopy in the Sloan Digital Sky Survey from the photometric data obtained by the imaging survey. Galaxy photometric...
Sloan Digital Sky Survey: Early data release (2002)
Stoughton, Chirs, Lupton, Rpbert H., Bernardi, Mariangela, Blanton, Michael R., Burles, Scott, Castander, Francsico J., ...
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 10 6 galaxies, 100,000...
Ivezic, Zeljko, Menou, Kristen, Knapp, Gillian R., Strauss, Michael A., Lupton, Robert H., Vanden Berk, Daniel E., ...
We discuss the optical and radio properties of similar to30,000 FIRST (radio, 20 cm, sensitive to 1 mJy) sources positionally associated within 1."5 with a Sloan Digital Sky Survey (SDSS) (optical,...
z ~ 6 Quasars from the SDSS: Probing the End of the Dark Ages (2002)
Fan, Xiaohui, Narayanan, Vijay K., Strauss, Michael A., Lupton, Robert H., Becker, Robert H., White, Richard L., ...
VLT Optical and Near-Infrared Observations of the z = 6.28 Quasar SDSS J1030+0524 (2002)
Pentericci, Laura, Fan, Xiaohui, Rix, Hans-Walter, Strauss, Michael A., Narayanan, Vijay K., Richards, Gordon T., ...
Unusual Broad Absorption Line Quasars from the Sloan Digital Sky Survey (2002)
Hall, Patrick B., Anderson, Scott F., Strauss, Michael A., York, Donald G., Richards, Gordon T., Fan, Xiaohui, ...
Sloan Digital Sky Survey: early data release (2002)
Stoughton, Chris, Lupton, Robert H., Bernardi, Mariangela, Blanton, Michael R., Burles, Scott M., Castander, Francisco J., ...
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,...
Sloan Digital Sky Survey: early data release (2002)
Stoughton, Chris, Lupton, Robert H., Bernardi, Mariangela, Blanton, Michael R., Burles, Scott M., Castander, Francisco J., ...
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,...
Early-type Galaxy Distances from the Fundamental Plane and Surface Brightness Fluctuations (2001)
Blakeslee, John P., Lucey, John R., Tonry, John L., Hudson, Michael J., Narayanan, Vijay K., Barris, Brian J.
We compare two methods for deriving distances to early-type galaxies: fundamental plane (FP) and surface brightness fluctuations (SBF) distances for 170 galaxies. A third set of distances is provided...
Fan, Xiaohui, Narayanan, Vijay K., Strauss, Michael A., White, Richard L., Becker, Robert H., Pentericci, Laura, ...
We study the process of cosmic reionization and estimate the ionizing background in the IGM using the Lyman series absorption in the spectra of the four quasars at 5.7
Evidence for Reionization at z ~ 6: Detection of a Gunn-Peterson Trough in a z=6.28 Quasar (2001)
Becker, Robert H., Fan, Xiaohui, White, Richard L., Strauss, Michael A., Narayanan, Vijay K., Lupton, Robert H., ...
We present moderate resolution Keck spectroscopy of quasars at z=5.82, 5.99 and 6.28, discovered by the Sloan Digital Sky Survey (SDSS). We find that the Ly Alpha absorption in the spectra of these...
Fan, Xiaohui, Narayanan, Vijay K., Lupton, Robert H., Strauss, Michael A., Knapp, Gillian R., Becker, Robert H., ...
We present the results from a survey of i-dropout objects selected from ~1550 deg^2 of multicolor imaging data from the Sloan Digital Sky Survey, to search for luminous quasars at z>5.8. Objects with...
The 3D Power Spectrum from Angular Clustering of Galaxies in Early SDSS Data (2001)
Dodelson, Scott, Narayanan, Vijay K., Tegmark, Max, Scranton, Ryan, Budavari, Tamas, Connolly, Andrew, ...
Early photometric data from the Sloan Digital Sky Survey (SDSS) contain angular positions for 1.5 million galaxies. In companion papers, the angular correlation function $w(\theta)$ and 2D power...
Color Separation of Galaxy Types in the Sloan Digital Sky Survey Imaging Data (2001)
Strateva, Iskra, Ivezic, Zeljko, Knapp, Gillian R., Narayanan, Vijay K., Strauss, Michael A.
We study the optical colors of 147,920 galaxies brighter than g* = 21, observed in five bands by the Sloan Digital Sky Survey (SDSS) over ~100 sq. deg. of high Galactic latitude sky along the...
Galaxy Number Counts from the Sloan Digital Sky Survey Commissioning Data (2001)
Yasuda, Naoki, Fukugita, Masataka, Narayanan, Vijay K., Lupton, Robert H., Strateva, Iskra, Strauss, Michael A., ...
We present bright galaxy number counts in five broad bands ($u', g', r', i', z'$) from imaging data taken during the commissioning phase of the Sloan Digital Sky Survey (SDSS). The counts are derived...
The Merger History of Supermassive Black Holes in Galaxies (2001)
Menou, Kristen, Haiman, Zoltan, Narayanan, Vijay K.
The ubiquity of supermassive black holes (SMBHs) at the centers of nearby luminous galaxies can arise from the multiple mergers experienced by dark matter halos in hierarchical structure formation...
Biased Galaxy Formation And Measurements Of Beta (2000)
Berlind, Andreas A., Narayanan, Vijay K., Weinberg, David H.
Measurements of the cosmological density parameter Omega using techniques that exploit the gravity-induced motions of galaxies constrain, in linear perturbation theory, the degenerate parameter...
Narayanan, Vijay K., Spergel, David N., Davé, Romeel, Ma, Chung-Pei
High resolution N-body simulations of cold dark matter (CDM) models predict that galaxies and clusters have cuspy halos with excessive substructure. Observations reveal smooth halos with central...
Berlind, Andreas A., Narayanan, Vijay K., Weinberg, David H.
We show that a regression of unsmoothed peculiar velocity measurements against peculiar velocities predicted from a smoothed galaxy density field leads to a biased estimate of the cosmological...
Reconstruction Analysis of the IRAS Point Source Catalog Redshift Survey (1999)
Narayanan, Vijay K., Weinberg, David H., Branchini, E., Frenk, C. S., Maddox, S., Oliver, S., ...
We present the results of reconstruction analysis of the galaxy distribution in a spherical region of radius 50 Mpc/h centered on the Local Group, as mapped by the IRAS Point Source Catalog Redshift...
Berlind, Andreas A., Narayanan, Vijay K., Weinberg, David H.
Measurements of the cosmological density parameter (Omega) using techniques that exploit the gravity-induced motions of galaxies yield, in linear perturbation theory, the degenerate parameter...
Locally Biased Galaxy Formation and Large Scale Structure (1998)
Narayanan, Vijay K., Berlind, Andreas, Weinberg, David H.
We examine the influence of the morphology-density(MD) relation and a wide range of simple models for biased galaxy formation on statistical measures of large scale structure. We contrast the...
Correlated errors in Hipparcos parallaxes towards the Pleiades and the Hyades (1998)
Narayanan, Vijay K., Gould, Andrew
We show that the errors in the Hipparcos parallaxes towards the Pleiades and the Hyades open clusters are spatially correlated over angular scales of 2 to 3 deg, with an amplitude of up to 2 mas....
A Precision test of Hipparcos systematics towards the Hyades (1998)
Narayanan, Vijay K., Gould, Andrew
We propose and apply a test that can detect any systematic errors in the Hipparcos parallaxes towards the Hyades cluster at the level of 0.3 mas. We show that the statistical parallax method subsumes...
Recovering the Primordial Density Fluctuations: A comparison of methods (1998)
Narayanan, Vijay K., Croft, Rupert A. C.
We present a comparative study of six different methods for reversing the gravitational evolution of a cosmological density field to recover the primordial fluctuations: linear theory, the...
Reconstruction Analysis of Galaxy Redshift Surveys: A Hybrid Reconstruction Method (1998)
Narayanan, Vijay K., Weinberg, David H.
In reconstruction analysis of galaxy redshift surveys, one works backwards from the observed galaxy distribution to the primordial density field in the same region, then evolves the primordial...
Luminosity Function of the Perigalactocentric Region (1996)
Narayanan, Vijay K., Gould, Andrew, DePoy, D. L.
We present H and K photometry of 42,000 stars in an area of 250 arcmin$^{2}$ centered on the Galactic center. We use the photometry to construct a dereddened K band luminosity function (LF) for this...
Lunar Occultation of MACHOs (1995)
Han, Cheongho, Narayanan, Vijay K., Gould, Andrew
Lunar occultation can be used to measure the proper motions of some of the long time scale microlensing events, $t_{e} \gsim 70$ days, now being detected toward the Galactic bulge. The long events...