Dark Matter Structures in the Universe: Prospects for Optical Astronomy in the Next Decade (2009)
Marshall, P. J., Auger, M., Bartlett, J. G., Bradac, M., Cooray, A., Dalal, N., ...
The Cold Dark Matter theory of gravitationally-driven hierarchical structure formation has earned its status as a paradigm by explaining the distribution of matter over large spans of cosmic distance...
Assessment of indigenous knowledge of medicinal plants from Vidarbha region of Maharashtra (2008)
Pande, V, Shastri, K, Khadse, C, Tekade, A, Tankar, A, Jain, B
Lensing Systematics from Space: Modeling PSF effects in the SNAP survey (2007)
Stabenau, H. F., Jain, B., Bernstein, G., Lampton, M.
Anisotropy in the point spread function (PSF) contributes a systematic error to weak lensing measurements. In this study we use a ray tracer that incorporates all the optical elements of the SNAP...
Supernova / Acceleration Probe: A Satellite Experiment to Study the Nature of the Dark Energy (2006)
Aldering, G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...
The Supernova / Acceleration Probe (SNAP) is a proposed space-based experiment designed to study the dark energy and alternative explanations of the acceleration of the Universe's expansion by...
Cosmological Constraints from the SDSS Luminous Red Galaxies (2006)
Tegmark, M, Eisenstein, D, Strauss, M, Weinberg, D, Blanton, M, Frieman, J, ...
We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints on cosmological...
The Effect of Large-Scale Structure on the SDSS Galaxy Three-Point Correlation Function (2006)
Nichol, R. C., Sheth, R. K., Suto, Y., Gray, A. J., Kayo, I., Wechsler, R. H., ...
We present measurements of the normalised redshift-space three-point correlation function (Q_z) of galaxies from the Sloan Digital Sky Survey (SDSS) main galaxy sample. We have applied our "npt"...
Supernova Acceleration Probe: Studying Dark Energy with Type Ia Supernovae (2005)
Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...
The Supernova Acceleration Probe (SNAP) will use Type Ia supernovae (SNe Ia) as distance indicators to measure the effect of dark energy on the expansion history of the Universe. (SNAP's weak-lensing...
Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...
SNAP is a candidate for the Joint Dark Energy Mission (JDEM) that seeks to place constraints on the dark energy using two distinct methods. The first, Type Ia SN, is discussed in a companion white...
Seeing the Nature of the Accelerating Physics: It's a SNAP (2005)
Aldering, G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...
For true insight into the nature of dark energy, measurements of the precision and accuracy of the Supernova/Acceleration Probe (SNAP) are required. Precursor or scaled-down experiments are...
Yalavarthy, Phaneendra K, Karlekar, Kirtish, Patel, HS, Vasu, RM, Pramanik, Manojit, Mathias, PC, ...
Experimental results for imaging the low-scattering tissue phantoms based on the derivative estimation through perturbation Monte- Carlo (pMC) method are presented. It is proven that pMC-based...
Yalavarthy, Phaneendra K, Karlekar, Kirtish, Patel, HS, Vasu, RM, Pramanik, Manojit, Mathias, PC, ...
Experimental results for imaging the low-scattering tissue phantoms based on the derivative estimation through perturbation Monte- Carlo (pMC) method are presented. It is proven that pMC-based...
Supernova Acceleration Probe: Studying Dark Energy with Type Ia Supernovae (2005)
Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...
The Supernova Acceleration Probe (SNAP) will use Type Ia supernovae (SNe Ia) as distance indicators to measure the effect of dark energy on the expansion history of the Universe. (SNAP's weak-lensing...
Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...
SNAP is a candidate for the Joint Dark Energy Mission (JDEM) that seeks to place constraints on the dark energy using two distinct methods. The first, Type Ia SN, is discussed in a companion white...
Seeing the Nature of the Accelerating Physics: It's a SNAP (2005)
Aldering, G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...
For true insight into the nature of dark energy, measurements of the precision and accuracy of the Supernova/Acceleration Probe (SNAP) are required. Precursor or scaled-down experiments are...
Supernova Acceleration Probe: Studying Dark Energy with Type Ia Supernovae (2005)
Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...
The Supernova Acceleration Probe (SNAP) will use Type Ia supernovae (SNe Ia) as distance indicators to measure the effect of dark energy on the expansion history of the Universe. (SNAP's weak-lensing...
Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...
SNAP is a candidate for the Joint Dark Energy Mission (JDEM) that seeks to place constraints on the dark energy using two distinct methods. The first, Type Ia SN, is discussed in a companion white...
Seeing the Nature of the Accelerating Physics: It's a SNAP (2005)
Aldering, G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...
For true insight into the nature of dark energy, measurements of the precision and accuracy of the Supernova/Acceleration Probe (SNAP) are required. Precursor or scaled-down experiments are...
Supernova / Acceleration Probe: A Satellite Experiment to Study the Nature of the Dark Energy (2004)
Aldering, SNAP Collaboration: G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...
The Supernova / Acceleration Probe (SNAP) is a proposed space-based experiment designed to study the dark energy and alternative explanations of the acceleration of the Universe's expansion by...
Chourasia, M, Ashawat, M, Jain, B, Jain, N, Jain, A, Jain, N, ...
Weak lensing from space I: instrumentation and survey strategy (2004)
Rhodes, J., Refregier, A., Massey, R., Albert, J., Bacon, D., Bernstein, G., ...
Weak lensing from space I: instrumentation and survey strategy (2004)
Rhodes, J., Refregier, A., Massey, R., Albert, J., Bacon, D., Bernstein, G., ...
Cosmological parameters from SDSS and WMAP (2003)
Tegmark, M., Strauss, M., Blanton, M., Abazajian, K., Dodelson, S., Sandvik, H., ...
We measure cosmological parameters using the three-dimensional power spectrum P(k) from over 200,000 galaxies in the Sloan Digital Sky Survey (SDSS) in combination with WMAP and other data. Our...
The 3D power spectrum of galaxies from the SDSS (2003)
Tegmark, M, Blanton, M, Strauss, M, Hoyle, F, Schlegel, D, Scoccimarro, R, ...
We measure the large-scale real-space power spectrum P(k) using a sample of 205,443 galaxies from the Sloan Digital Sky Survey, covering 2417 square degrees with mean redshift z~0.1. We employ a...
Dark Energy Constraints from Weak Lensing Cross-Correlation Cosmography (2003)
We present a method to implement the idea of Jain & Taylor to constrain cosmological parameters with weak gravitational lensing. Photometric redshift information on foreground galaxies is used to...
A weak lensing analysis of a STIS dark-lens candidate (2003)
Erben, T., Miralles, J. M., Clowe, D., Schirmer, M., Schneider, P., Freudling, W., ...
We perform a weak lensing analysis on a previously reported dark-lens candidate on STIS Parallel data (Miralles et al. 2002). New VLT-data indicate that the reported signal originates from a small...
The Skewness of the Aperture Mass Statistic (2003)
Jarvis, M., Bernstein, G., Jain, B.
We present simple formulae for calculating the skewness and kurtosis of the aperture mass statistic for weak lensing surveys which is insensitive to masking effects of survey geometry or variable...
Weak Lensing Results from the 75 Square Degree CTIO Survey (2002)
Jarvis, M., Bernstein, G., Jain, B., Fischer, P., Smith, D., Tyson, J. A., ...
We measure seeing-corrected ellipticities for 2 x 10^6 galaxies with magnitude R30\arcmin, ellipticity correlations are detected at high significance and exhibit nearly the pure "E-mode" behavior...
Likelihood Analysis of Cosmic Shear on Simulated and VIRMOS-DESCART Data (2002)
Van Waerbeke, L., Mellier, Y., Pello, R., Pen, U-L., McCracken, H. J., Jain, B.
We present a maximum likelihood analysis of cosmological parameters from measurements of the aperture mass up to 35 arcmin, using simulated and real cosmic shear data. A four-dimensional parameter...
Erben, T., Haemmerle, H., Schneider, P., Fosbury, R. A. E., Freudling, W., ...
We report the serendipituous discovery of a conspicuous alignment of galaxies in a field obtained through the STIS Parallel Shear Survey. This project collects randomly distributed 50'' x 50'' fields...
Miralles, J. M., Erben, T., Hämmerle, H., Schneider, P., Fosbury, R. A. E., Freudling, W., ...
We report the serendipituous discovery of a conspicuous alignment of galaxies in a field obtained through the STIS Parallel Shear Survey. This project collects randomly distributed 50" x 50" fields...
Cosmic shear from STIS pure parallels - II. Analysis (2002)
Hämmerle, H., Miralles, J. M., Schneider, P., Erben, T., Fosbury, R. A. E., Freudling, W., ...
We report on the marginal detection of cosmic shear on sub- arcmin scales with archive data from the STIS camera on board HST. For the measurement 121 galaxy fields with a field of view of 51" x 51"...
Cosmic shear from STIS pure parallels - II. Analysis (2001)
Haemmerle, H., Schneider, P., Erben, T., Fosbury, R. A. E., Freudling, W., ...
We report on the marginal detection of cosmic shear on sub-arcmin scales with archive data from the STIS camera on board HST. For the measurement 121 galaxy fields with a field of view of 51'' x 51''...
Detection of Cosmic Shear from STIS Parallel Archive Data: Data Analysis (2001)
Haemmerle, H., Pirzkal, N., Schneider, P., Erben, T., Fosbury, R. A. E., ...
In June 1997, parallel observations using the Space Telescope Imaging Spectrograph (STIS) on the HST started to be taken in substantial numbers along many different lines-of-sight. We are using the...
Cosmic shear from STIS Pure Parallels: I Data (2001)
Pirzkal, N., Collodel, L., Erben, T., Fosbury, R. A. E., Freudling, W., Haemmerle, H., ...
Following the second HST servicing mission in 1997 when the STIS instrument was installed and the capability for parallel observations was enhanced, a substantial archive of non-proprietary parallel...
Cosmic Shear Statistics and Cosmology (2001)
Van Waerbeke, L., Mellier, Y., Radovich, M., Bertin, E., Dantel-Fort, M., McCracken, H. J., ...
We report a measurement of cosmic shear correlations using an effective area of 6.5 sq. deg. of the VIRMOS deep imaging survey in progress at the Canada-France-Hawaii Telescope. We measured various...
Mellier, Y., Van Waerbeke, L., Maoli, R., Schneider, P., Jain, B., Bernardeau, F., ...
Gravitational weak shear produced by large-scale structures of the universe induces a correlated ellipticity distribution of distant galaxies. The amplitude and evolution with angular scale of the...
Terapixel Surveys for Cosmic Shear (2000)
Mellier, Y., Van Waerbeke, L., Radovich, M., Bertin, E., Dantel-Fort, M., ...
The recent detections of cosmic shear signal announced by several groups have demonstrated the feasibility of this challenging program and convinced astro- nomers of its potential for cosmology....
Cosmic Shear Analysis in 50 Uncorrelated VLT Fields. Implications for Omega_0, sigma_8 (2000)
Maoli, R., Van Waerbeke, L., Mellier, Y., Schneider, P., Jain, B., Bernardeau, F., ...
We observed with the camera FORS1 on the VLT (UT1, ANTU) 50 randomly selected fields and analyzed the cosmic shear inside circular apertures with diameter ranging from 0.5 to 5.0 arc-minutes. The...
Cosmic Shear and Clusters of Galaxies (2000)
Mellier, Y., Van Waerbeke, L., Erben, T., Schneider, P., Bernardeau, F., Jain, B., ...
The first detections of cosmic shear signal reported recently by 4 independent groups cover angular scales between one and 10 arcmin. On those scales, the cosmic shear is a signature of non-linear...
Cosmic Shear with the CFHT (2000)
Van Waerbeke, L., Mellier, Y., Erben, T., Bernardeau, F., Maoli, R., ...
We present results of our cosmic shear survey in progress at the Canada- France-Hawaii Telescope (CFHT). We analysed 1.7 sq. degrees of data, out of which we measured a significant correlation of...
Cosmic Shear with the VLT (2000)
Maoli, R., Mellier, Y., Van Waerbeke, L., Schneider, P., Jain, B., Erben, T., ...
We report on the detection of cosmic shear on angular scales of 1.3-6.5 arcmin using 45 independent empty fields observed with the Very Large Telescope (VLT). This result confirms previous...
Van Waerbeke, L., Mellier, Y., Erben, T., Cuillandre, J. C., Bernardeau, F., Maoli, R., ...
We report the detection of a significant (5.5 sigma) excess of correlations between galaxy ellipticities at scales ranging from 0.5 to 3.5 arc-minutes. This detection of a gravitational lensing...
The Effect of Weak Lensing on the Angular Correlation Function of Faint Galaxies (1997)
Moessner, R., Jain, B., Villumsen, J. V.
The angular correlation function \wth of faint galaxies is affected both by nonlinear gravitational evolution and by magnification bias due to gravitational lensing. We compute the resulting \wth for...
Detection of shear due to weak lensing by large-scale structure (1997)
Schneider, P., Van Waerbeke, L., Mellier, Y., Jain, B., Seitz, S., Fort, B.
We present evidence for a coherent shear signal in a field containing the z=1.2 radio-source PKS1508-05. Since there were no intervening mass concentrations known before targeting this field, we...
The Formation and Evolution of Clusters of Galaxies in Different Cosmogonies (1997)
Huss, A., Jain, B., Steinmetz, M.
The formation of galaxy clusters in hierarchically clustering universes is investigated by means of high resolution N-body simulations. The simulations are performed using a newly developed...
The Evolution of Correlation Functions and Power Spectra in Gravitational Clustering (1995)
Jain, B., Mo, H. J., White, S. D. M.
Hamilton et al. (1991) proposed a simple formula relating the nonlinear autocorrelation function of the mass distribution to the primordial spectrum of density fluctuations for gravitational...
Methods of study of aqueous veins (1981)
Batra, J, Patnaik, B, Kalsi, R, Singh, G, Jain, B, Aggarwal, D
An investigation of the mechanism of function of trabeculectomy (operation) (1981)
Batra, J, Patnaik, B, Singh, G, Kalsi, R, Jain, B, Agarwal, D