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Lista de obras de Puragra Guhathakurta

A Dramatic Decrease in Carbon Star Formation in M31

artículo científico publicado en 2019

A New Method for Isolating M31 Red Giant Stars: The Discovery of Stars out to a Radial Distance of 165 kpc ⬇️

scientific article published in the Astrophysical Journal

A Panchromatic Study of Massive Stars in the Extremely Metal-poor Local Group Dwarf Galaxy Leo A

artículo científico publicado en 2022

A Population of Intergalactic Supernovae in Galaxy Clusters

scientific article published in Astronomical Journal

A Spectroscopic Survey of M31 Dwarf Spheroidal Galaxies

A Strong-Lens Survey in AEGIS: The Influence of Large-Scale Structure ⬇️

artículo científico publicado en 2007

A clear age-velocity dispersion correlation in Andromeda's stellar disk ⬇️

scientific article published in the Astrophysical Journal

A new approach to detailed structural decomposition from the SPLASH and PHAT surveys: kicked-up disk stars in the Andromeda galaxy? ⬇️

artículo científico publicado en 2013

A spectroscopic and photometric exploration of the C/M ratio in the disk of M31 ⬇️

artículo científico publicado en 2015

A spectroscopic survey of Andromeda’s Western Shelf

scholarly article

A tidally disrupting dwarf galaxy in the halo of NGC 253 ⬇️

A unique isolated dwarf spheroidal galaxy atD = 1.9 Mpc

artículo científico publicado en 2012

AEGIS: Enhancement of Dust-enshrouded Star Formation in Close Galaxy Pairs and Merging Galaxies up toz~ 1 ⬇️

artículo científico publicado en 2007

Absence of evidence is not evidence of absence: the colour-density relation at fixed stellar mass persists to z ∼ 1

article

Addendum: [ITAL]Hubble Space Telescope[/ITAL] Evidence for an Intermediate-Mass Black Hole in the Globular Cluster M15. II. Kinematic Analysis and Dynamical Modeling [[URL ADDRESS="/cgi-bin/resolve?2002AJ....124.3270G" STATUS="OKAY"]Astron. J. [BF]12

artículo científico publicado en 2002

An algorithm for preferential selection of spectroscopic targets in LEGUE

An evolutionary continuum from nucleated dwarf galaxies to star clusters

artículo científico publicado en 2023

Carbon in red giants in globular clusters and dwarf spheroidal galaxies ⬇️

scientific article published in the Astrophysical Journal

Carbon stars in the satellites and halo of M31 ⬇️

artículo científico publicado en 2016

Characterizing the SHARDS of disrupted Milky Way satellites with LAMOST ⬇️

artículo científico publicado en 2016

Dark Matter in Ultra-diffuse Galaxies in the Virgo Cluster from Their Globular Cluster Populations ⬇️

Deep Optical Imaging of the Bright Seyfert Galaxy NGC 5548: A Long, Very Low Surface Brightness Tail

scientific article published in Astronomical Journal

Deep Photometry of Andromeda Reveals Striking Similarities in the Tidal Stream and Spheroid Populations ⬇️

artículo científico publicado en 2005

Deep lens survey

Detection of the Main‐Sequence Turnoff of a Newly Discovered Milky Way Halo Structure in the Triangulum‐Andromeda Region ⬇️

scientific article published in the Astrophysical Journal

Discovery of Andromeda XIV: A Dwarf Spheroidal Dynamical Rogue in the Local Group? ⬇️

artículo científico publicado en 2007

Discovery of a Group of Receding, Variable Halo Stars toward Norma

artículo científico publicado en 2017

Discovery of a close pair of faint dwarf galaxies in the halo of Centaurus A ⬇️

artículo científico publicado en 2014

Discovery of a new faint dwarf galaxy associated with NGC 253 ⬇️

scholarly article

Discovery of an ultra-diffuse galaxy in the Pisces-Perseus supercluster ⬇️

scientific article published in Astronomical Journal

Discovery of super-li-rich red giants in dwarf spheroidal galaxies ⬇️

artículo científico publicado en 2012

Dynamical Mass Estimates for the Halo of M31 from Keck Spectroscopy ⬇️

scientific article published in the Astrophysical Journal

Dynamics and Stellar Content of the Giant Southern Stream in M31. I. Keck Spectroscopy of Red Giant Stars

scientific article published in Astronomical Journal

ERRATUM: “MULTI-ELEMENT ABUNDANCE MEASUREMENTS FROM MEDIUM-RESOLUTION SPECTRA. III. METALLICITY DISTRIBUTIONS OF MILKY WAY DWARF SATELLITE GALAXIES” (2011, ApJ, 727, 78)

artículo científico publicado en 2012

ERRATUM: “STELLAR KINEMATICS AND STRUCTURAL PROPERTIES OF VIRGO CLUSTER DWARF EARLY-TYPE GALAXIES FROM THE SMAKCED PROJECT. II. THE SURVEY AND A SYSTEMATIC ANALYSIS OF KINEMATIC ANOMALIES AND ASYMMETRIES” (2014, APJS, 215, 17)

scholarly article published in The Astrophysical Journal Supplement Series

Elemental Abundances in M31: First Alpha and Iron Abundance Measurements in M31's Giant Stellar Stream

artículo científico publicado en 2019

Emission-line stars in M31 from the SPLASH and PHAT surveys ⬇️

artículo científico publicado en 2016

Erratum: “The Next Generation Virgo Cluster Survey. X. Properties of Ultra-compact Dwarfs in the M87, M49, and M60 Regions” (2015, APJ, 812, 34)

artículo científico publicado en 2017

Erratum: “Triangulum II: Not Especially Dense after All” (2017, ApJ, 838, 83)

artículo científico publicado en 2017

Erratum: “Virgo Redux: The Masses and Stellar Content of Nuclei in Early-type Galaxies from Multiband Photometry and Spectroscopy” (2017, ApJ, 849, 55)

artículo científico publicado en 2018

Estimation of distances to stars with stellar parameters from LAMOST ⬇️

artículo científico publicado en 2015

Evidence of a Non-universal Stellar Initial Mass Function. Insights from HST Optical Imaging of Six Ultra-faint Dwarf Milky Way Satellites

artículo científico publicado en 2018

Evolution in the Halo Masses of Isolated Galaxies betweenz∼ 1 andz∼ 0: From DEEP2 to SDSS ⬇️

artículo científico publicado en 2007

Exploring Halo Substructure with Giant Stars. X. Extended Dark Matter or Tidal Disruption?: The Case for the Leo I Dwarf Spheroidal Galaxy ⬇️

scientific article published in the Astrophysical Journal

Fixing the reference frame for PPMXL proper motions using extragalactic sources ⬇️

Global Properties of M31’s Stellar Halo from the SPLASH Survey. III. Measuring the Stellar Velocity Dispersion Profile

artículo científico publicado en 2018

Global properties of M31's stellar halo from the SPLASH survey. I. Surface brightness profile ⬇️

artículo científico publicado en 2012

Global properties of M31's stellar halo from the SPLASH survey. II. Metallicity profile ⬇️

artículo científico publicado en 2014

HALO7D II: The Halo Velocity Ellipsoid and Velocity Anisotropy with Distant Main-sequence Stars

scholarly article

HST/ACS direct ages of the dwarf elliptical galaxies NGC 147 and NGC 185 ⬇️

artículo científico publicado en 2015

Hubble Space Telescope Imaging of the Ultra-compact High Velocity Cloud AGC 226067: A Stripped Remnant in the Virgo Cluster

artículo científico publicado en 2017

Hubble Space Telescope Observations of NGC 253 Dwarf Satellites: Three Ultra-faint Dwarf Galaxies*

artículo científico publicado en 2022

Hubble Space TelescopePhotometry of the Dwarf Spheroidal Galaxy ESO 410‐G005 ⬇️

scientific article published in the Astrophysical Journal

Inferring the Andromeda Galaxy's mass from its giant southern stream with Bayesian simulation sampling

article

Isotropic at the break? 3D kinematics of Milky Way halo stars in the foreground of M31 ⬇️

artículo científico publicado en 2016

Keck studies of M31's stellar halo

Kinematics and Metallicity of M31 Red Giants: The Giant Southern Stream and Discovery of a Second Cold Component atR = 20 kpc ⬇️

artículo científico publicado en 2006

LAMOST Experiment for Galactic Understanding and Exploration (LEGUE) — The survey's science plan

artículo científico publicado en 2012

M31 Transverse Velocity and Local Group Mass from Satellite Kinematics ⬇️

artículo científico publicado en 2008

Measuring detailed chemical abundances from co-added medium-resolution spectra. I. Tests using Milky Way dwarf spheroidal galaxies and globular clusters ⬇️

artículo científico publicado en 2013

Measuring the Stellar Halo Velocity Anisotropy With 3D Kinematics

Metallicity and Alpha‐Element Abundance Measurement in Red Giant Stars from Medium‐Resolution Spectra ⬇️

artículo científico publicado en 2008

Metallicity evolution of the six most luminous M31 dwarf satellites ⬇️

artículo científico publicado en 2014

Multi-element abundance measurements from medium-resolution spectra. II. Catalog of stars in Milky Way dwarf satellite galaxies

artículo científico publicado en 2010

Multi-element abundance measurements from medium-resolution spectra. III. Metallicity distributions of Milky way dwarf satellite galaxies ⬇️

artículo científico publicado en 2011

Multi-element abundance measurements from medium-resolution spectra. IV. Alpha element distributions in Milky way satellite galaxies ⬇️

artículo científico publicado en 2011

New constraints on a complex relation between globular cluster colors and environment ⬇️

scholarly article

New spectroscopic technique based on coaddition of surface brightness fluctuations: NGC 4449 and its stellar tidal stream ⬇️

artículo científico publicado en 2016

No Evidence for Feedback: Unexceptional Low-ionization Winds in Host Galaxies of Low Luminosity Active Galactic Nuclei at Redshift z ∼ 1

artículo científico publicado en 2017

PHAT stellar cluster survey. I. Year 1 catalog and integrated photometry ⬇️

artículo científico publicado en 2012

Panchromatic Hubble Andromeda treasury. XII. Mapping stellar metallicity distributions in M31 ⬇️

artículo científico publicado en 2015

Photometric calibration of NGS/POSS and ESO/SRC plates using the NOAO PDS measuring engine. II - Surface photometry

scholarly article

Population Gradients in Local Group Dwarf Spheroidal Galaxies

artículo científico publicado en 2001

Project AMIGA: Distance and Metallicity Gradients along Andromeda’s Giant Southern Stream from the Red Clump

scientific article published in Astronomical Journal

Properties of Two New M31 Dwarf Spheroidal Companions from Keck Imaging ⬇️

artículo científico publicado en 1999

Radial Color Gradient and Main-Sequence Mass Segregation in M30 (NGC 7099)

artículo científico publicado en 2000

Runaway dwarf carbon stars as candidate supernova ejecta ⬇️

artículo científico publicado en 2016

Science Objectives and Early Results of the DEEP2 Redshift Survey

scholarly article

Spectroscopic confirmation of the dwarf spheroidal galaxy d0994+71 as a member of the M81 group of galaxies ⬇️

Stellar Cluster Fiducial Sequences with the Advanced Camera for Surveys

artículo científico publicado en 2005

Stellar Kinematics in the Complicated Inner Spheroid of M31: Discovery of Substructure along the Southeastern Minor Axis and Its Relationship to the Giant Southern Stream ⬇️

artículo científico publicado en 2007

Stellar Stream and Halo Structure in the Andromeda Galaxy from a Subaru/Hyper Suprime-Cam Survey

scientific article published in the Astrophysical Journal

Stellar kinematics and structural properties of Virgo cluster dwarf early-type galaxies from the SMAKCED project. II. The survey and a systematic analysis of kinematic anomalies and asymmetries ⬇️

artículo científico publicado en 2014

Stellar mass-gas-phase metallicity relation at 0.5 <= z <= 0.7: a power law with increasing scatter toward the low-mass regime ⬇️

scientific article published in the Astrophysical Journal

Structural Parameters and Possible Association of the Ultra-faint Dwarfs Pegasus III and Pisces II from Deep Hubble Space Telescope Photometry

artículo científico publicado en 2022

Tests of the Tully-Fisher relation. 1: Scatter in infrared magnitude versus 21 CM width

artículo científico publicado en 1994

The Baltimore Oriole’s Nest: Cool Winds from the Inner and Outer Parts of a Star-forming Galaxy at z = 1.3

artículo científico publicado en 2022

The DEEP2 Galaxy Redshift Survey: AEGIS Observations of a Dual AGN at z = 0.7 ⬇️

artículo científico publicado en 2007

The DEEP2 Galaxy Redshift Survey: Clustering of Galaxies in Early Data ⬇️

artículo científico publicado en 2004

The DEEP2 Galaxy Redshift Survey: Evolution of Close Galaxy Pairs and Major-Merger Rates up to z ~ 1.2 ⬇️

artículo científico publicado en 2004

The DEEP2 Galaxy Redshift Survey: First Results on Galaxy Groups ⬇️

artículo científico publicado en 2005

The DEEP2 Galaxy Redshift Survey: Redshift Identification of Single‐Line Emission Galaxies ⬇️

artículo científico publicado en 2007

The DEEP2 Galaxy Redshift Survey: Spectral Classification of Galaxies at z ~ 1 ⬇️

artículo científico publicado en 2003

The DEEP2 Galaxy Redshift Survey: the role of galaxy environment in the cosmic star formation history

artículo científico publicado en 2007

The DEEP2 Redshift Survey: Lyα Emitters in the Spectroscopic Database ⬇️

artículo científico publicado en 2008

The DEEP2 galaxy redshift survey: design, observations, data reduction, and redshifts

artículo científico publicado en 2013

The DEEP3 Galaxy Redshift Survey: the impact of environment on the size evolution of massive early-type galaxies at intermediate redshift

artículo científico publicado en 2011

The Dwarf Galaxy Population at z ∼ 0.7: A Catalog of Emission Lines and Redshifts from Deep Keck Observations

artículo científico publicado en 2022

The Extended Star Formation History of the Andromeda Spheroid at 21 kpc on the Minor Axis ⬇️

artículo científico publicado en 2007

The Extended Star Formation History of the Andromeda Spheroid at 35 kpc on the Minor Axis ⬇️

artículo científico publicado en 2008

The Globular Cluster Systems of Ultra-diffuse Galaxies in the Coma Cluster

artículo científico publicado en 2018

The M31 velocity vector. II. Radial orbit toward the Milky Way and implied Local Group mass ⬇️

scientific article published in the Astrophysical Journal

The Metal‐poor Halo of the Andromeda Spiral Galaxy (M31) ⬇️

artículo científico publicado en 2006

The Next Generation Virgo Cluster Survey (NGVS). XXIV. The Red Sequence to ∼10⁶ L⊙ and Comparisons with Galaxy Formation Models ⬇️

artículo científico publicado en 2017

The Next Generation Virgo Cluster Survey (NGVS). XXVI. The Issues of Photometric Age and Metallicity Estimates for Globular Clusters

artículo científico publicado en 2017

The Next Generation Virgo Cluster Survey (NGVS). XXXI. The Kinematics of Intracluster Globular Clusters in the Core of the Virgo Cluster

artículo científico publicado en 2018

The Next Generation Virgo Cluster Survey (NGVS). XXXII. A Search for Globular Cluster Substructures in the Virgo Galaxy Cluster Core

artículo científico publicado en 2018

The Next Generation Virgo cluster Survey (NGVS). XIII. The luminosity and mass function of galaxies in the core of the Virgo cluster and the contribution from disrupted satellites ⬇️

scientific article published in the Astrophysical Journal

The Next Generation Virgo cluster Survey. X. Properties of ultra-compact dwarfs in the M87, M49, and M60 regions ⬇️

artículo científico publicado en 2015

The Panchromatic Hubble Andromeda Treasury. Progression of Large-Scale Star Formation Across Space and Time in M 31

The SPLASH survey: a spectroscopic analysis of the metal-poor, low-luminosity M31 dSph satellite Andromeda X ⬇️

artículo científico publicado en 2009

The SPLASH survey: internal kinematics, chemical abundances, and masses of the Andromeda I, II, III, VII, X, and XIV dwarf spheroidal galaxies ⬇️

artículo científico publicado en 2010

The SPLASH survey: kinematics of Andromeda's inner spheroid ⬇️

scientific article published in the Astrophysical Journal

The SPLASH survey: spectroscopy of 15 M31 dwarf spheroidal satellite galaxies ⬇️

artículo científico publicado en 2012

The Splash survey: a spectroscopic portrait of Andromeda's giant southern stream ⬇️

artículo científico publicado en 2009

The TREX Survey: Kinematical Complexity Throughout M33's Stellar Disk and Evidence for a Stellar Halo*

artículo científico publicado en 2022

The Type Ic SN 1990B in NGC 4568 ⬇️

artículo científico publicado en 2001

The dominance of metal-rich streams in stellar halos: a comparison between substructure in M31 and {Lambda}CDM models ⬇️

artículo científico publicado en 2009

The epoch of disk settling: z ~ 1 to now ⬇️

scholarly article

The extended halo of Centaurus A: uncovering satellites, streams, and substructures ⬇️

artículo científico publicado en 2016

The first hypervelocity star from the LAMOST survey ⬇️

artículo científico publicado en 2014

The high-mass stellar initial mass function in M31 clusters ⬇️

artículo científico publicado en 2015

The luminosity profile and structural parameters of the Andromeda galaxy ⬇️

artículo científico publicado en 2011

The most massive ultra-compact dwarf galaxy in the Virgo cluster ⬇️

The near-infrared Tully-Fisher relation - A preliminary study of the Coma and Abell 400 clusters

The next generation Virgo cluster survey (NGVS). XXV. Fiducial panchromatic colors of Virgo core globular clusters and their comparison to model predictions ⬇️

The panchromatic Hubble Andromeda treasury

scholarly article

The panchromatic Hubble Andromeda treasury. I. Bright UV stars in the bulge of M31 ⬇️

artículo científico publicado en 2012

The panchromatic Hubble Andromeda treasury. II. Tracing the inner M31 halo with blue horizontal branch stars ⬇️

artículo científico publicado en 2012

The panchromatic Hubble Andromeda treasury. V. Ages and masses of the year 1 stellar clusters ⬇️

artículo científico publicado en 2014

The panchromatic Hubble Andromeda treasury. VIII. A wide-area, high-resolution map of dust extinction in M31 ⬇️

artículo científico publicado en 2015

The panchromatic Hubble Andromeda treasury. XI. The spatially resolved recent star formation history of M31 ⬇️

artículo científico publicado en 2015

The primeval populations of the ultra-faint dwarf galaxies ⬇️

The quenching of the ultra-faint dwarf galaxies in the reionization era ⬇️

artículo científico publicado en 2014

The stellar initial mass function of ultra-faint dwarf galaxies: evidence for IMF variations with galactic environment ⬇️

scientific article published in the Astrophysical Journal

The universal stellar mass-stellar metallicity relation for dwarf galaxies ⬇️

artículo científico publicado en 2013

Tidal Interaction of M32 and NGC 205 with M31: Surface Photometry and Numerical Simulations

artículo científico publicado en 2002

Tracing the metal-poor M31 stellar halo with blue horizontal branch stars ⬇️

artículo científico publicado en 2015

Triangulum II. Not Especially Dense After All ⬇️

artículo científico publicado en 2017

Triangulum II: possibly a very dense ultra-faint dwarf galaxy ⬇️

artículo científico publicado en 2015

Uncovering Extremely Metal-Poor Stars in the Milky Way's Ultrafaint Dwarf Spheroidal Satellite Galaxies ⬇️

artículo científico publicado en 2008

Unveiling the Boxy Bulge and Bar of the Andromeda Spiral Galaxy ⬇️

scientific article published in the Astrophysical Journal

Virgo Redux: The Masses and Stellar Content of Nuclei in Early-type Galaxies from Multiband Photometry and Spectroscopy

artículo científico publicado en 2017

Was the Andromeda Stream Produced by a Disk Galaxy? ⬇️

artículo científico publicado en 2008

Where do wet, dry, and mixed galaxy mergers occur? A study of the environments of close galaxy pairs in the DEEP2 galaxy redshift survey ⬇️

artículo científico publicado en 2010

[ITAL]Hubble Space Telescope[/ITAL] Evidence for an Intermediate-Mass Black Hole in the Globular Cluster M15. I. STIS Spectroscopy and WFPC2 Photometry

scholarly article by Roeland van der Marel et al published December 2002 in The Astronomical Journal

[ITAL]Hubble Space Telescope[/ITAL] Evidence for an Intermediate-Mass Black Hole in the Globular Cluster M15. II. Kinematic Analysis and Dynamical Modeling

artículo científico publicado en 2002

[α/Fe] ABUNDANCES OF FOUR OUTER M31 HALO STARS ⬇️

scholarly article

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