Yip et al., 2004 - Google Patents
Spectral classification of quasars in the sloan digital sky survey: eigenspectra, redshift, and luminosity effectsYip et al., 2004
View PDF- Document ID
- 5350570325789591401
- Author
- Yip C
- Connolly A
- Vanden Berk D
- Ma Z
- Frieman J
- SubbaRao M
- Szalay A
- Richards G
- Hall P
- Schneider D
- Hopkins A
- Trump J
- Brinkmann J
- Publication year
- Publication venue
- The Astronomical Journal
External Links
Snippet
We study 16,707 quasar spectra from the Sloan Digital Sky Survey (SDSS)(an early version of the First Data Release; DR1) using the Karhunen-Loève transform (or principal components analysis). The redshifts of these quasars range from 0.08 to 5.41, the i-band …
- 230000003595 spectral 0 title abstract description 75
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colour
- G01J3/28—Investigating the spectrum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yip et al. | Spectral classification of quasars in the sloan digital sky survey: eigenspectra, redshift, and luminosity effects | |
| Hounsell et al. | Simulations of the WFIRST supernova survey and forecasts of cosmological constraints | |
| Berg et al. | Characterizing Extreme Emission-line Galaxies. I. A Four-zone Ionization Model for Very High-ionization Emission | |
| Du et al. | Supermassive black holes with high accretion rates in active galactic nuclei. IX. 10 new observations of reverberation mapping and shortened Hβ lags | |
| Teague et al. | Temperature, mass, and turbulence: A spatially resolved multiband non-lte analysis of cs in tw hya | |
| Coil et al. | The DEEP2 Galaxy Redshift Survey: color and luminosity dependence of galaxy clustering at z∼ 1 | |
| De Rosa et al. | Black hole mass estimates and emission-line properties of a sample of redshift z> 6.5 quasars | |
| Śniegowska et al. | High metal content of highly accreting quasars | |
| Yan et al. | SDSS-IV/MaNGA: spectrophotometric calibration technique | |
| Mor et al. | Dusty structure around type-I active galactic nuclei: clumpy torus narrow-line region and near-nucleus hot dust | |
| Schlafly et al. | The blue tip of the stellar locus: measuring reddening with the Sloan digital sky survey | |
| Lawler et al. | Improved log (gf) values for lines of Ti I and abundance determinations in the photospheres of the sun and metal-poor star HD 84937 (accurate transition probabilities for Ti I) | |
| Lee et al. | Mean-flux-regulated principal component analysis continuum fitting of Sloan Digital Sky Survey Lyα forest spectra | |
| Panda et al. | CLOUDY view of the warm corona | |
| Do et al. | Prospects for measuring supermassive black hole masses with future extremely large telescopes | |
| Woo et al. | Calibration and limitations of the Mg II line-based black hole masses | |
| Biesiada et al. | Cosmic equation of state from strong gravitational lensing systems | |
| Christenson et al. | Constraints on the End of Reionization from the Density Fields Surrounding Two Highly Opaque Quasar Sightlines | |
| Wood et al. | TESS Hunt for Young and Maturing Exoplanets (THYME). IX. A 27 Myr Extended Population of Lower Centaurus Crux with a Transiting Two-planet System | |
| Yan | Precision Spectrophotometry at the Level of 0.1% | |
| Muzahid et al. | HST/COS observations of a new population of associated QSO absorbers | |
| Punsly et al. | Revealing the Broad Line Region of NGC 1275: The Relationship to Jet Power | |
| Ghoreyshi et al. | A multi–observing technique study of the dynamical evolution of the viscous disk around the be star ω cma | |
| Stefánsson et al. | A Mini-Neptune and a Radius Valley Planet Orbiting the Nearby M2 Dwarf TOI-1266 in Its Venus Zone: Validation with the Habitable-zone Planet Finder | |
| Manjavacas et al. | Medium-resolution 0.97–5.3 μm Spectra of Very Young Benchmark Brown Dwarfs with NIRSpec on Board the James Webb Space Telescope |