Lista de obras - Bradford Holden - Dominio Público Uruguay

3D-HST+CANDELS: the evolution of the galaxy size-mass distribution since z = 3 ⬇️

artículo científico publicado en 2014

A Collage of Small Planets from the Lick–Carnegie Exoplanet Survey: Exploring the Super-Earth and Sub-Neptune Mass Regime ⬇️

scholarly article

A Comparison of the Most Massive Quiescent Galaxies fromz∼ 3 to the Present: Slow Evolution in Size, and spheroid-dominated

artículo científico publicado en 2017

A Deficit of High‐Redshift, High‐Luminosity X‐Ray Clusters: Evidence for a High Value of Ωm? ⬇️

artículo científico publicado en 1999

A Dynamical Simulation of the Debris Disk around HD 141569A ⬇️

artículo científico publicado en 2005

A candidate super-Earth planet orbiting near the snow line of Barnard’s star

scientific article published in Nature

A constant limiting mass scale for flat early-type galaxies from z ~ 1 to z = 0: density evolves but shapes do not ⬇️

artículo científico publicado en 2012

A low Lyman Continuum escape fraction of <10 per cent for extreme [O iii] emitters in an overdensity at z ∼ 3.5

scholarly article

A measurement of the correlation of galaxy surveys with CMB lensing convergence maps from the south pole telescope ⬇️

scholarly article

A remarkably luminous galaxy at z=11.1 measured with Hubble Space Telescope grism spectroscopy ⬇️

artículo científico publicado en 2016

A rest-frame optical view on z ~ 4 galaxies. I. Color and age distributions from deep IRAC photometry of the IUDF10 and GOODS surveys ⬇️

scientific article published in the Astrophysical Journal

A spectroscopic redshift measurement for a luminous Lyman break galaxy at z = 7.730 using Keck/MOSFIRE ⬇️

artículo científico publicado en 2015

A spectroscopically confirmed excess of 24 {mu}m sources in a super galaxy group at z = 0.37: enhanced dusty star formation relative to the cluster and field environment ⬇️

scientific article published in the Astrophysical Journal

A turn-over in the galaxy luminosity function of the Coma cluster core?

scholarly article

A wide-field study of the z ~ 0.8 cluster RX J0152.7-1357: the role of environment in the formation of the red sequence ⬇️

artículo científico publicado en 2009

Advanced Camera for Surveys Observations of a Strongly Lensed Arc in a Field Elliptical Galaxy ⬇️

artículo científico publicado en 2004

An Overdensity of Galaxies near the Most Distant Radio‐loud Quasar ⬇️

artículo científico publicado en 2006

An extension of the SHARC survey

artículo científico publicado en 2007

Capabilities and performance of the Automated Planet Finder telescope with the implementation of a dynamic scheduler

artículo científico publicado en 2015

ChandraandXMM-NewtonObservations of RDCS 1252.9-2927, A Massive Cluster atz=1.24

artículo científico publicado en 2004

Cl 1205+44: a fossil group at z = 0.59 ⬇️

scholarly article

Clustering of Star‐forming Galaxies Near a Radio Galaxy atz = 5.2 ⬇️

artículo científico publicado en 2006

Clusters at Half Hubble Time: Galaxy Structure and Colors in RX J0152.7−1357 and MS 1054−03 ⬇️

artículo científico publicado en 2006

Confirmation of a radio-selected galaxy overdensity at z=1.11

artículo científico publicado en 2003

Confirmation of the Remarkable Compactness of Massive Quiescent Galaxies at z ~ 2.3: Early-Type Galaxies Did not Form in a Simple Monolithic Collapse ⬇️

scientific article published in the Astrophysical Journal

Deep probing of the Coma cluster

artículo científico publicado en 1998

Doppler Constraints on Planetary Companions to Nearby Sun-like Stars: An Archival Radial Velocity Survey of Southern Targets for Proposed NASA Direct Imaging Missions

artículo científico publicado en 2023

Dynamical and content evolution of a sample of clusters from z~0 to z~0.5

artículo científico publicado en 2000

Early-type galaxies at z ~ 1.3. II. Masses and ages of early-type galaxies in different environments and their dependence on stellar population model assumptions ⬇️

artículo científico publicado en 2011

Early-type galaxies at z ~ 1.3. III. On the dependence of formation epochs and star formation histories on stellar mass and environment ⬇️

artículo científico publicado en 2011

Early-type galaxies at z ~ 1.3. IV. Scaling relations in different environments ⬇️

artículo científico publicado en 2012

Evolution in the Cluster Early‐Type Galaxy Size–Surface Brightness Relation atz ≃1 ⬇️

artículo científico publicado en 2005

Evolution in the X-ray cluster luminosity function revisited ⬇️

artículo científico publicado en 1997

Evolution in the color-magnitude relation of early-type galaxies in clusters of galaxies at z=~1

artículo científico publicado en 2004

Evolution of the Color‐Magnitude Relation in High‐Redshift Clusters: Blue Early‐Type Galaxies and Red Pairs in RDCS J0910+5422 ⬇️

artículo científico publicado en 2006

Feedback and Brightest Cluster Galaxy Formation: ACS Observations of the Radio Galaxy TN J1338−1942 atz= 4.1 ⬇️

artículo científico publicado en 2005

Final results and implications of a deep probing of the Coma cluster

artículo científico publicado en 1998

Following black hole scaling relations through gas-rich mergers ⬇️

artículo científico publicado en 2015

Frequency of planets orbiting M dwarfs in the Solar neighbourhood ⬇️

From shock breakout to peak and beyond: extensive panchromatic observations of the type Ib supernova 2008D associated with Swift X-ray transient 080109 ⬇️

scientific article published in the Astrophysical Journal

GRB 051227: Keck spectroscopy

scholarly article

GRB 080310: redshift from Keck/DEIMOS spectra

Geometry of star-forming galaxies from SDSS, 3D-HST, and CANDELS ⬇️

scholarly article

Glimpsing the imprint of local environment on the galaxy stellar mass function

artículo científico publicado en 2017

HDUV: The Hubble Deep UV Legacy Survey

scholarly article

HST/WFC3 confirmation of the inside-out growth of massive galaxies at 0 < z < 2 and identification of their star-forming progenitors at z ~ 3 ⬇️

artículo científico publicado en 2013

Hubble Space TelescopeACS Multiband Coronagraphic Imaging of the Debris Disk around β Pictoris

artículo científico publicado en 2006

Hubble Space TelescopeAdvanced Camera for Surveys Coronagraphic Imaging of the AU Microscopii Debris Disk

scientific article published in Astronomical Journal

Luminosity Functions of the Galaxy Cluster MS 1054−0321 atz = 0.83 based on ACS Photometry ⬇️

scientific article published in the Astrophysical Journal

M/L_B_ and color evolution for a deep sample of M* cluster galaxies at z ~ 1: the formation epoch and the tilt of the fundamental plane ⬇️

Major merging: the way to make a massive, passive galaxy ⬇️

scholarly article

Mass Selection and the Evolution of the Morphology‐Density Relation fromz= 0.8 to 0 ⬇️

scientific article published in the Astrophysical Journal

Masses and Mass-to-Light Ratios of Early-Type Galaxies at High Redshift - The Impact of Ultradeep FORS2 Spectroscopy

scholarly article

Massive Star Formation in a Gravitationally Lensed HiiGalaxy atz= 3.357 ⬇️

artículo científico publicado en 2003

Measuring the Orbital Parameters of Radial Velocity Systems in Mean-motion Resonance: A Case Study of HD 200964

Measuring {Omega}_m_ with the ROSAT deep cluster survey ⬇️

Moderate-temperature clusters of galaxies from the RDCS and the high-redshift luminosity-temperature relation

artículo científico publicado en 2002

New Constraints on Gliese 876—Exemplar of Mean-motion Resonance

artículo científico publicado en 2018

Observations of the gas reservoir around a star-forming galaxy in the early universe ⬇️

artículo científico publicado en 2008

Occultations from an Active Accretion Disk in a 72-day Detached Post-Algol System Detected by K2

artículo científico publicado en 2018

Optical and near-infrared photometry of distant galaxy clusters

artículo científico publicado en 2002

RX J0848+4456: disentangling a moderate redshift cluster

scholarly article

Recent structural evolution of early-type galaxies: size growth from {\em z} = 1 to z = 0 ⬇️

artículo científico publicado en 2008

Rest-frame optical emission lines in z ~ 3.5 lyman-break-selected galaxies: the ubiquity of unusually high [OIII]/Hβ ratios at 2 gyr ⬇️

artículo científico publicado en 2016

Revised orbits of the two nearest Jupiters

Revisiting the Full Sets of Orbital Parameters for the XO-3 System: No Evidence for Temporal Variation of the Spin–Orbit Angle

artículo científico publicado en 2022

SPICES II: optical and near-infrared identifications of faint X-ray sources from deep Chandra observations of Lynx

artículo científico publicado en 2002

Search for Nearby Earth Analogs. III. Detection of 10 New Planets, 3 Planet Candidates, and Confirmation of 3 Planets around 11 Nearby M Dwarfs

scholarly article

Shape evolution of massive early-type galaxies: confirmation of increased disk prevalence at z > 1 ⬇️

artículo científico publicado en 2013

Spatial distribution of stellar mass and star formation activity at 0.2 < z < 1.2 across and along the main sequence

artículo científico publicado en 2019

Spectroscopic confirmation of z 6 i-band dropout galaxies in the RDCSJ1252-2927 and UDF-parallel ACS fields

artículo científico publicado en 2004

Spectroscopic observations of optically selected clusters of galaxies from the Palomar distant cluster survey

Spectroscopy of z ~ 6 i-dropout galaxies: frequency of Ly{alpha} emission and the sizes of Ly{alpha}-emitting galaxies ⬇️

scholarly article

Spitzer/MIPS 24 {mu}m observations of galaxy clusters: an increasing fraction of obscured star-forming members from z = 0.02 to z = 0.83 ⬇️

artículo científico publicado en 2008

Stellar activity analysis of Barnard’s Star: Very slow rotation and evidence for long-term activity cycle

artículo científico publicado en 2019

Stellar and gaseous nuclear disks observed in nearby (U)LIRGs ⬇️

scientific article published in the Astrophysical Journal

Strong‐Lensing Analysis of A1689 from Deep Advanced Camera Images ⬇️

artículo científico publicado en 2005

Structural evolution of early-type galaxies to z = 2.5 in CANDELS ⬇️

scientific article published in the Astrophysical Journal

Superclustering at Redshift z = 0.54 ⬇️

scientific article published in the Astrophysical Journal

Supernova 2004bx

artículo científico publicado en 2004

The Aligned Orbit of WASP-148b, the Only Known Hot Jupiter with a nearby Warm Jupiter Companion, from NEID and HIRES

artículo científico publicado en 2022

The Aligned Orbit of the Eccentric Warm Jupiter K2-232b

scholarly article

The Canada-France-Hawaii Telescope Optical PDCS Survey (COP). I. The Data

scientific article published in Astronomical Journal

The Canada-France-Hawaii Telescope Optical PDCS Survey. II. Evolution in the Space Density of Clusters of Galaxies

artículo científico publicado en 2000

The Evolution of the Field and Cluster Morphology‐Density Relation for Mass‐Selected Samples of Galaxies ⬇️

scientific article published in the Astrophysical Journal

The Evolutionary Status of Clusters of Galaxies at Z ∼ 1

artículo científico publicado en 2004

The Formation Epoch of Early‐Type Galaxies in thez∼ 0.9 Cl 1604 Supercluster ⬇️

artículo científico publicado en 2006

The Fundamental Plane in the LEGA-C Survey: Unraveling the M/L Ratio Variations of Massive Star-forming and Quiescent Galaxies at z ∼ 0.8

scholarly article

The Fundamental Plane of Cluster Elliptical Galaxies atz = 1.25 ⬇️

scientific article published in the Astrophysical Journal

The HDUV Survey: Six Lyman Continuum Emitter Candidates at z ∼ 2 Revealed by HST UV Imaging

artículo científico publicado en 2017

The Hubble Legacy Field GOODS-S Photometric Catalog

artículo científico publicado en 2019

The Intracluster Medium inz > 1 Galaxy Clusters ⬇️

artículo científico publicado en 2001

The Lick-Carnegie Exoplanet Survey: HD 32963--A new Jupiter analog orbiting a sun-like star ⬇️

artículo científico publicado en 2016

The Luminosity Function of Early-Type Field Galaxies atz≈ 0.75

artículo científico publicado en 2004

The Mass Scale of High-redshift Galaxies: Virial Mass Estimates Calibrated with Stellar Dynamical Models from LEGA-C

artículo científico publicado en 2022

The Morphology‐Density Relation inz∼ 1 Clusters ⬇️

artículo científico publicado en 2005

The Possiblez = 0.83 Precursors ofz = 0,M* Early-Type Cluster Galaxies ⬇️

scientific article published in the Astrophysical Journal

The SWELLS survey -- II. Breaking the disc--halo degeneracy in the spiral galaxy gravitational lens SDSS J2141-0001

artículo científico publicado en 2011

The Southern SHARC Survey: the [CLC][ITAL]z[/ITAL][/CLC] = 0.3–0.7 Cluster X-Ray Luminosity Function ⬇️

artículo científico publicado en 1997

The Star-formation-rate-Density relation at 0.6 < z < 0.9 and the role of star-forming galaxies ⬇️

scholarly article

The Transformation of Cluster Galaxies at Intermediate Redshift ⬇️

artículo científico publicado en 2005

The UVJ selection of quiescent and star-forming galaxies: separating early- and late-type galaxies and isolating edge-on spirals ⬇️

artículo científico publicado en 2012

The assembly histories of quiescent galaxies since z = 0.7 from absorption line spectroscopy ⬇️

artículo científico publicado en 2014

The bright SHARC survey: the X-ray cluster luminosity function ⬇️

The bright SHARC survey: the selection function and its impact on the cluster X-ray luminosity function

artículo científico publicado en 2000

The dependence of star formation rates on stellar mass and environment at z ~ 0.8 ⬇️

scholarly article

The detection of intergalactic H {alpha} emission from the Slug Nebula at z ~ 2.3

artículo científico publicado en 2018

The ellipticities of cluster early-type galaxies from z ~ 1 to z ~ 0: no evolution in the overall distribution of bulge-to-disk ratios ⬇️

scientific article published in the Astrophysical Journal

The environmental dependence of properties of galaxies around the RDCSJ0910+54 cluster at z=1.1

artículo científico publicado en 2008

The evolution of star formation histories of quiescent galaxies ⬇️

artículo científico publicado en 2016

The galaxy population of cluster RX J0848+4453 at z=1.27 ⬇️

artículo científico publicado en 2001

The majority of compact massive galaxies at z ~ 2 are disk dominated ⬇️

artículo científico publicado en 2011

The mid-infrared luminosities of normal galaxies over cosmic time ⬇️

artículo científico publicado en 2010

The physical origins of the morphology-density relation: evidence for gas stripping from the Sloan Digital Sky Survey ⬇️

artículo científico publicado en 2010

The rest-frame K-band luminosity function of galaxies in clusters to z = 1.3

artículo científico publicado en 2007

Three super-earths orbiting HD 7924 ⬇️

artículo científico publicado en 2015

Three’s Company: An Additional Non-transiting Super-Earth in the Bright HD 3167 System, and Masses for All Three Planets

scientific article published in Astronomical Journal

Tightly Coupled Morpho-kinematic Evolution for Massive Star-forming and Quiescent Galaxies across 7 Gyr of Cosmic Time

scholarly article

UV continuum spectroscopy of a 6L_*_z = 5.5 starburst galaxy ⬇️

artículo científico publicado en 2005

Ultracompact Dwarf Galaxies in Abell 1689: A Photometric Study with the Advanced Camera for Surveys

artículo científico publicado en 2004

Ultradeep IRAC imaging over the HUDF and GOODS-South: survey design and imaging data release ⬇️

scholarly article

VLT and ACS Observations of RDCS J1252.9−2927: Dynamical Structure and Galaxy Populations in a Massive Cluster atz= 1.237 ⬇️

artículo científico publicado en 2007

Weak‐lensing Detection atz∼ 1.3: Measurement of the Two Lynx Clusters with the Advanced Camera for Surveys ⬇️

scientific article published in the Astrophysical Journal

X-ray observations of distant optically selected clusters

artículo científico publicado en 1997

z≳ 7 GALAXIES WITH REDSPITZER/IRAC [3.6]–[4.5] COLORS IN THE FULL CANDELS DATA SET: THE BRIGHTEST-KNOWN GALAXIES ATz∼ 7–9 AND A PROBABLE SPECTROSCOPIC CONFIRMATION ATz= 7.48 ⬇️

artículo científico publicado en 2016

Lista de obras de Bradford Holden

3D-HST+CANDELS: the evolution of the galaxy size-mass distribution since z = 3 ⬇️

A Collage of Small Planets from the Lick–Carnegie Exoplanet Survey: Exploring the Super-Earth and Sub-Neptune Mass Regime ⬇️

A Comparison of the Most Massive Quiescent Galaxies fromz∼ 3 to the Present: Slow Evolution in Size, and spheroid-dominated

A Deficit of High‐Redshift, High‐Luminosity X‐Ray Clusters: Evidence for a High Value of Ωm? ⬇️

A Dynamical Simulation of the Debris Disk around HD 141569A ⬇️

A candidate super-Earth planet orbiting near the snow line of Barnard’s star

A constant limiting mass scale for flat early-type galaxies from z ~ 1 to z = 0: density evolves but shapes do not ⬇️

A low Lyman Continuum escape fraction of <10 per cent for extreme [O iii] emitters in an overdensity at z ∼ 3.5

A measurement of the correlation of galaxy surveys with CMB lensing convergence maps from the south pole telescope ⬇️

A remarkably luminous galaxy at z=11.1 measured with Hubble Space Telescope grism spectroscopy ⬇️

A rest-frame optical view on z ~ 4 galaxies. I. Color and age distributions from deep IRAC photometry of the IUDF10 and GOODS surveys ⬇️

A spectroscopic redshift measurement for a luminous Lyman break galaxy at z = 7.730 using Keck/MOSFIRE ⬇️

A spectroscopically confirmed excess of 24 {mu}m sources in a super galaxy group at z = 0.37: enhanced dusty star formation relative to the cluster and field environment ⬇️

A turn-over in the galaxy luminosity function of the Coma cluster core?

A wide-field study of the z ~ 0.8 cluster RX J0152.7-1357: the role of environment in the formation of the red sequence ⬇️

Advanced Camera for Surveys Observations of a Strongly Lensed Arc in a Field Elliptical Galaxy ⬇️

An Overdensity of Galaxies near the Most Distant Radio‐loud Quasar ⬇️

An extension of the SHARC survey

Capabilities and performance of the Automated Planet Finder telescope with the implementation of a dynamic scheduler

ChandraandXMM-NewtonObservations of RDCS 1252.9-2927, A Massive Cluster atz=1.24

Cl 1205+44: a fossil group at z = 0.59 ⬇️

Clustering of Star‐forming Galaxies Near a Radio Galaxy atz = 5.2 ⬇️

Clusters at Half Hubble Time: Galaxy Structure and Colors in RX J0152.7−1357 and MS 1054−03 ⬇️

Confirmation of a radio-selected galaxy overdensity at z=1.11

Confirmation of the Remarkable Compactness of Massive Quiescent Galaxies at z ~ 2.3: Early-Type Galaxies Did not Form in a Simple Monolithic Collapse ⬇️

Deep probing of the Coma cluster

Doppler Constraints on Planetary Companions to Nearby Sun-like Stars: An Archival Radial Velocity Survey of Southern Targets for Proposed NASA Direct Imaging Missions

Dynamical and content evolution of a sample of clusters from z~0 to z~0.5

Early-type galaxies at z ~ 1.3. II. Masses and ages of early-type galaxies in different environments and their dependence on stellar population model assumptions ⬇️

Early-type galaxies at z ~ 1.3. III. On the dependence of formation epochs and star formation histories on stellar mass and environment ⬇️

Early-type galaxies at z ~ 1.3. IV. Scaling relations in different environments ⬇️

Evolution in the Cluster Early‐Type Galaxy Size–Surface Brightness Relation atz ≃1 ⬇️

Evolution in the X-ray cluster luminosity function revisited ⬇️

Evolution in the color-magnitude relation of early-type galaxies in clusters of galaxies at z=~1

Evolution of the Color‐Magnitude Relation in High‐Redshift Clusters: Blue Early‐Type Galaxies and Red Pairs in RDCS J0910+5422 ⬇️

Feedback and Brightest Cluster Galaxy Formation: ACS Observations of the Radio Galaxy TN J1338−1942 atz= 4.1 ⬇️

Final results and implications of a deep probing of the Coma cluster

Following black hole scaling relations through gas-rich mergers ⬇️

Frequency of planets orbiting M dwarfs in the Solar neighbourhood ⬇️

From shock breakout to peak and beyond: extensive panchromatic observations of the type Ib supernova 2008D associated with Swift X-ray transient 080109 ⬇️

GRB 051227: Keck spectroscopy

GRB 080310: redshift from Keck/DEIMOS spectra

Geometry of star-forming galaxies from SDSS, 3D-HST, and CANDELS ⬇️

Glimpsing the imprint of local environment on the galaxy stellar mass function

HDUV: The Hubble Deep UV Legacy Survey

HST/WFC3 confirmation of the inside-out growth of massive galaxies at 0 < z < 2 and identification of their star-forming progenitors at z ~ 3 ⬇️

Hubble Space TelescopeACS Multiband Coronagraphic Imaging of the Debris Disk around β Pictoris

Hubble Space TelescopeAdvanced Camera for Surveys Coronagraphic Imaging of the AU Microscopii Debris Disk

Luminosity Functions of the Galaxy Cluster MS 1054−0321 atz = 0.83 based on ACS Photometry ⬇️

M/L_B_ and color evolution for a deep sample of M* cluster galaxies at z ~ 1: the formation epoch and the tilt of the fundamental plane ⬇️

Major merging: the way to make a massive, passive galaxy ⬇️

Mass Selection and the Evolution of the Morphology‐Density Relation fromz= 0.8 to 0 ⬇️

Masses and Mass-to-Light Ratios of Early-Type Galaxies at High Redshift - The Impact of Ultradeep FORS2 Spectroscopy

Massive Star Formation in a Gravitationally Lensed HiiGalaxy atz= 3.357 ⬇️

Measuring the Orbital Parameters of Radial Velocity Systems in Mean-motion Resonance: A Case Study of HD 200964

Measuring {Omega}_m_ with the ROSAT deep cluster survey ⬇️

Moderate-temperature clusters of galaxies from the RDCS and the high-redshift luminosity-temperature relation

New Constraints on Gliese 876—Exemplar of Mean-motion Resonance

Observations of the gas reservoir around a star-forming galaxy in the early universe ⬇️

Occultations from an Active Accretion Disk in a 72-day Detached Post-Algol System Detected by K2

Optical and near-infrared photometry of distant galaxy clusters

RX J0848+4456: disentangling a moderate redshift cluster

Recent structural evolution of early-type galaxies: size growth from {\em z} = 1 to z = 0 ⬇️

Rest-frame optical emission lines in z ~ 3.5 lyman-break-selected galaxies: the ubiquity of unusually high [OIII]/Hβ ratios at 2 gyr ⬇️

Revised orbits of the two nearest Jupiters

Revisiting the Full Sets of Orbital Parameters for the XO-3 System: No Evidence for Temporal Variation of the Spin–Orbit Angle

SPICES II: optical and near-infrared identifications of faint X-ray sources from deep Chandra observations of Lynx

Search for Nearby Earth Analogs. III. Detection of 10 New Planets, 3 Planet Candidates, and Confirmation of 3 Planets around 11 Nearby M Dwarfs

Shape evolution of massive early-type galaxies: confirmation of increased disk prevalence at z > 1 ⬇️

Spatial distribution of stellar mass and star formation activity at 0.2 < z < 1.2 across and along the main sequence

Spectroscopic confirmation of z 6 i-band dropout galaxies in the RDCSJ1252-2927 and UDF-parallel ACS fields

Spectroscopic observations of optically selected clusters of galaxies from the Palomar distant cluster survey

Spectroscopy of z ~ 6 i-dropout galaxies: frequency of Ly{alpha} emission and the sizes of Ly{alpha}-emitting galaxies ⬇️

Spitzer/MIPS 24 {mu}m observations of galaxy clusters: an increasing fraction of obscured star-forming members from z = 0.02 to z = 0.83 ⬇️

Stellar activity analysis of Barnard’s Star: Very slow rotation and evidence for long-term activity cycle

Stellar and gaseous nuclear disks observed in nearby (U)LIRGs ⬇️

Strong‐Lensing Analysis of A1689 from Deep Advanced Camera Images ⬇️

Structural evolution of early-type galaxies to z = 2.5 in CANDELS ⬇️

Superclustering at Redshift z = 0.54 ⬇️