Search Results - "Eftekharzadeh, Sarah"
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1
Clustering of intermediate redshift quasars using the final SDSS III-BOSS sample
Published in Monthly notices of the Royal Astronomical Society (01-11-2015)“…We measure the two-point clustering of spectroscopically confirmed quasars from the final sample of the Baryon Oscillation Spectroscopic Survey (BOSS) on…”
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2
Cosmicflows-4: The Catalog of ∼10,000 Tully-Fisher Distances
Published in The Astrophysical journal (01-10-2020)“…We present the distances of 9792 spiral galaxies lying within 15,000 km s−1 using the relation between luminosity and rotation rate of spiral galaxies. The…”
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3
The Sloan Digital Sky Survey Reverberation Mapping Project: Initial C iv Lag Results from Four Years of Data
Published in The Astrophysical journal (10-12-2019)“…We present reverberation-mapping (RM) lags and black hole mass measurements using the C ivλ1549 broad emission line from a sample of 348 quasars monitored as a…”
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4
On the small-scale clustering of quasars: constraints from the MassiveBlack II simulation
Published in Monthly notices of the Royal Astronomical Society (20-02-2019)“…Abstract We examine recent high-precision measurements of small-scale quasar clustering (at z ∼ 0.5–2 on scales of ${\sim }25~\mathrm{kpc}\, h^{-1}$) from the…”
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5
Landsat 9 Thermal Infrared Sensor-2 (TIRS-2) Pre- and Post-Launch Spatial Response Performance
Published in Remote sensing (Basel, Switzerland) (01-03-2024)“…The launch of Landsat 9 (L9) on 27 September 2021 marks the ongoing commitment of the Landsat mission to delivering users with calibrated Earth observations…”
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Intercomparison of Landsat Operational Land Imager and Terra Advanced Spaceborne Thermal Emission and Reflection Radiometer Radiometric Calibrations Using Radiometric Calibration Network Data
Published in Remote sensing (Basel, Switzerland) (01-01-2024)“…This paper presents a comprehensive intercomparison study investigating the radiometric performance of and concurrence among the Advanced Spaceborne Thermal…”
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Extragalactic Magnetism with SOFIA (SALSA Legacy Program). V. First Results on the Magnetic Field Orientation of Galaxies
Published in The Astrophysical journal (01-07-2023)“…We present the analysis of the magnetic field (B-field) structure of galaxies measured with far-infrared (FIR) and radio (3 and 6 cm) polarimetric…”
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8
GTC Follow-up Observations of Very Metal-poor Star Candidates from DESI
Published in The Astrophysical journal (01-11-2023)“…Abstract The observations from the Dark Energy Spectroscopic Instrument (DESI) will significantly increase the numbers of known extremely metal-poor stars by a…”
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9
DESI Survey Validation Spectra Reveal an Increasing Fraction of Recently Quenched Galaxies at z ∼ 1
Published in Astrophysical journal. Letters (01-04-2023)“…Abstract We utilize ∼17,000 bright luminous red galaxies (LRGs) from the novel Dark Energy Spectroscopic Instrument Survey Validation spectroscopic sample,…”
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10
Target Selection and Validation of DESI Quasars
Published in The Astrophysical journal (01-02-2023)“…Abstract The Dark Energy Spectroscopic Instrument (DESI) survey will measure large-scale structures using quasars as direct tracers of dark matter in the…”
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11
The DESI Bright Galaxy Survey: Final Target Selection, Design, and Validation
Published in The Astronomical journal (01-06-2023)“…Abstract Over the next 5 yr, the Dark Energy Spectroscopic Instrument (DESI) will use 10 spectrographs with 5000 fibers on the 4 m Mayall Telescope at Kitt…”
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12
The Sloan Digital Sky Survey Reverberation Mapping Project: Hα and Hβ Reverberation Measurements from First-year Spectroscopy and Photometry
Published in The Astrophysical journal (10-12-2017)“…Abstract We present reverberation mapping results from the first year of combined spectroscopic and photometric observations of the Sloan Digital Sky Survey…”
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13
The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: structure growth rate measurement from the anisotropic quasar power spectrum in the redshift range 0.8 < z < 2.2
Published in Monthly notices of the Royal Astronomical Society (21-06-2018)“…We analyse the clustering of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey Data Release 14 quasar sample (DR14Q). We measure…”
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14
Extragalactic Magnetism with SOFIA (SALSA Legacy Program). III. First Data Release and On-the-fly Polarization Mapping Characterization The SOFIA Legacy Program for Magnetic Fields in Galaxies (SALSA) provides a software repository at https://github.com/galmagfields/hawc and publicly available data at http://galmagfields.com
Published in The Astrophysical journal (01-09-2022)Get full text
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15
Quasars at intermediate redshift are not special; but they are often satellites
Published in Monthly notices of the Royal Astronomical Society (01-06-2021)“…ABSTRACT Understanding the links between the activity of supermassive black holes (SMBHs) at the centres of galaxies and their host dark matter haloes is a key…”
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The completed SDSS-IV extended baryon oscillation spectroscopic survey: pairwise-inverse probability and angular correction for fibre collisions in clustering measurements
Published in Monthly notices of the Royal Astronomical Society (01-10-2020)“…ABSTRACT The completed extended Baryon Oscillation Spectroscopic Survey (eBOSS) catalogues contain redshifts of 344 080 quasars at 0.8 < z < 2.2, 174 816…”
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Extragalactic Magnetism with SOFIA (SALSA Legacy Program). III. First Data Release and On-the-fly Polarization Mapping Characterization
Published in The Astrophysical journal (01-09-2022)“…Abstract We describe the data processing of the Survey on extragALactic magnetiSm with SOFIA (SALSA Legacy Program). This first data release presents 33%…”
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18
Detecting and Characterizing Mg ii Absorption in DESI Survey Validation Quasar Spectra
Published in The Astronomical journal (01-09-2023)“…Abstract We present findings of the detection of Magnesium II (Mg ii , λ = 2796, 2803 Å) absorbers from the early data release of the Dark Energy Spectroscopic…”
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19
Investigating Quasars as a Function of Their Physical Properties
Published 01-01-2018“…A great part of my Ph.D. research is motivated by one of the critical questions in the field of galaxy evolution that is measuring the bias and ultimately the…”
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Dissertation -
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The completed SDSS-IV extended baryon oscillation spectroscopic survey: pairwise-inverse probability and angular correction for fibre collisions in clustering measurements
Published in Monthly notices of the Royal Astronomical Society (11-08-2020)“…The completed extended Baryon Oscillation Spectroscopic Survey (eBOSS) catalogues contain redshifts of 344m 080 quasars at 0.8 < z < 2.2, 174 816 luminous red…”
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Journal Article