D. B. Sanders
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View article: COSMOS Spectroscopic Redshift Compilation (First Data Release): 488,000 Redshifts Encompassing Two Decades of Spectroscopy
COSMOS Spectroscopic Redshift Compilation (First Data Release): 488,000 Redshifts Encompassing Two Decades of Spectroscopy Open
We present the COSMOS Spectroscopic Redshift Compilation encompassing ∼20 yr of spectroscopic redshifts within a 10 deg 2 area centered on the 2 deg 2 COSMOS legacy field. This compilation contains 487,666 redshifts of 266,284 unique objec…
View article: Molecular Gas in Major Mergers Hosting Dual and Single AGNs at <10 kpc Nuclear Separations
Molecular Gas in Major Mergers Hosting Dual and Single AGNs at <10 kpc Nuclear Separations Open
We present high-resolution (∼50–100 pc) Atacama Large Millimeter/submillimeter Array observations of 12 CO(2–1) or 12 CO(1–0) emission in seven local ( z ≲ 0.05) major mergers—five of which are dual active galactic nucleus (AGN) systems, a…
View article: Discovery of a Little Red Dot Candidate at <i>z</i> ≳ 10 in COSMOS-web Based on MIRI-NIRCam Selection
Discovery of a Little Red Dot Candidate at <i>z</i> ≳ 10 in COSMOS-web Based on MIRI-NIRCam Selection Open
JWST has revealed a new high-redshift population called little red dots (LRDs). Since LRDs may be in the early phase of black hole growth, identifying them in the early Universe is crucial for understanding the formation of the first super…
View article: BASS. LIV. Physical Properties of AGN-hosting Galaxy Mergers from Multiwavelength SED Fitting
BASS. LIV. Physical Properties of AGN-hosting Galaxy Mergers from Multiwavelength SED Fitting Open
Galaxy mergers are believed to play an important role in triggering rapid supermassive black hole (SMBH) growth. As merging nuclei approach each other, the physical properties of the participating galaxies and the associated SMBH growth ar…
View article: The ALPINE–CRISTAL– <i>JWST</i> survey: revealing less massive black holes in high-redshift galaxies
The ALPINE–CRISTAL– <i>JWST</i> survey: revealing less massive black holes in high-redshift galaxies Open
We present a systematic search for broad-line active galactic nuclei (AGNs) in the ALPINE–CRISTAL–JWST sample of 18 star-forming galaxies ($M_\star >10^{9.5}~{\rm M}_{\odot }$) at redshifts $z=4.4\!-\!5.7$. Using James Webb Space Telesc…
View article: Self-interacting dark matter in the center of a Local Group dwarf galaxy and its satellites
Self-interacting dark matter in the center of a Local Group dwarf galaxy and its satellites Open
We present a detailed comparison of a Local Group dwarf galaxy analogue evolved in two cosmological models: the standard $Λ$CDM and a self-interacting dark matter (SIDM) model with a velocity-dependent cross-section. Both simulations are r…
View article: BASS LIV. Physical Properties of AGN-Hosting Galaxy Mergers from Multiwavelength SED Fitting
BASS LIV. Physical Properties of AGN-Hosting Galaxy Mergers from Multiwavelength SED Fitting Open
Galaxy mergers are believed to play an important role in triggering rapid supermassive black hole (SMBH) growth. As merging nuclei approach each other, the physical properties of the participating galaxies and the associated SMBH growth ar…
View article: BASS. XLIX. Characterization of Highly Luminous and Obscured AGNs: Local X-Ray and [Ne <scp>V</scp>]<i>λ</i>3426 Emission in Comparison with the High-redshift Universe
BASS. XLIX. Characterization of Highly Luminous and Obscured AGNs: Local X-Ray and [Ne <span>V</span>]<i>λ</i>3426 Emission in Comparison with the High-redshift Universe Open
We present a detailed analysis of the most luminous and obscured active galactic nuclei (AGNs) detected in the ultra-hard X-ray band (14–195 kev) by the Swift/Burst Alert Telescope. Our sample comprises 21 X-ray luminous ( …
View article: Discovery of a Little Red Dot candidate at $z\gtrsim10$ in COSMOS-Web based on MIRI-NIRCam selection
Discovery of a Little Red Dot candidate at $z\gtrsim10$ in COSMOS-Web based on MIRI-NIRCam selection Open
JWST has revealed a new high-redshift population called little red dots (LRDs). Since LRDs may be in the early phase of black hole growth, identifying them in the early universe is crucial for understanding the formation of the first super…
View article: Shockingly Effective: Cluster Winds as Engines of Feedback in Starburst Galaxy VV 114
Shockingly Effective: Cluster Winds as Engines of Feedback in Starburst Galaxy VV 114 Open
We present high-resolution Keck Cosmic Web Imager and MUSE integral field unit spectroscopy of VV 114, a local IR-luminous merger undergoing a vigorous starburst and showing evidence of galactic-scale feedback. The high-resolution data all…
View article: Nuclear Spectral Energy Distributions of Luminous Infrared Galaxies
Nuclear Spectral Energy Distributions of Luminous Infrared Galaxies Open
We present nuclear (100–150 pc) spectral energy distributions (SEDs) for a sample of 23 nearby luminous infrared galaxies hosting a total of 28 nuclei. We gather aperture photometry from high-resolution X-ray to submillimeter data for each…
View article: COSMOS Web: Morphological quenching and size-mass evolution of brightest group galaxies from z = 3.7
COSMOS Web: Morphological quenching and size-mass evolution of brightest group galaxies from z = 3.7 Open
We present a comprehensive study of the structural evolution of Brightest Group Galaxies (BGGs) from redshift $z \simeq 0.08$ to $z = 3.7$ using the \textit{James Webb Space Telescope}'s 255h COSMOS-Web program. This survey provides deep N…
View article: COSMOS2025: The COSMOS-Web galaxy catalog of photometry, morphology, redshifts, and physical parameters from JWST, HST, and ground-based imaging
COSMOS2025: The COSMOS-Web galaxy catalog of photometry, morphology, redshifts, and physical parameters from JWST, HST, and ground-based imaging Open
We present COSMOS2025, the COSMOS-Web catalog of photometry, morphology, photometric redshifts and physical parameters for more than 700,000 galaxies in the Cosmic Evolution Survey (COSMOS) field. This catalog is based on our \textit{James…
View article: COSMOS-Web: Comprehensive Data Reduction for Wide-Area JWST NIRCam Imaging
COSMOS-Web: Comprehensive Data Reduction for Wide-Area JWST NIRCam Imaging Open
We present the data reduction methodology used for the COSMOS-Web survey JWST NIRCam data. Covering 0.54 deg^2 with four broadband filters (F115W, F150W, F277W, F444W) and a total exposure time of approximately 270 hours, COSMOS-Web repres…
View article: Euclid preparation: TBD. Cosmic Dawn Survey: evolution of the galaxy stellar mass function across 0.2<z<6.5 measured over 10 square degrees
Euclid preparation: TBD. Cosmic Dawn Survey: evolution of the galaxy stellar mass function across 0.2<z<6.5 measured over 10 square degrees Open
The Cosmic Dawn Survey Pre-launch (PL) catalogues cover an effective 10.13 deg$^{2}$ area with uniform deep Spitzer/IRAC data ($m\sim25$ mag, 5$σ$), the largest area covered to these depths in the infrared. These data are used to gain new …
View article: Nuclear Spectral Energy Distributions of Luminous Infrared Galaxies
Nuclear Spectral Energy Distributions of Luminous Infrared Galaxies Open
We present nuclear (100-150 pc) spectral energy distributions (SEDs) for a sample of 23 nearby luminous infrared galaxies hosting a total of 28 nuclei. We gather aperture photometry from high-resolution X-ray to submillimeter data for each…
View article: COSMOS-Web: A history of galaxy migrations over the stellar mass–star formation rate plane
COSMOS-Web: A history of galaxy migrations over the stellar mass–star formation rate plane Open
Context. The stellar mass-star formation rate ( M ⋆ − SFR) plane is an essential diagnostic to separate galaxy populations. However, we still lack a clear picture of how galaxies move within this plane along cosmic time. Aims. This study a…
View article: Estimating Black Hole Masses in Obscured Active Galactic Nuclei from X-Ray and Optical Emission Line Luminosities
Estimating Black Hole Masses in Obscured Active Galactic Nuclei from X-Ray and Optical Emission Line Luminosities Open
We test a novel method for estimating black hole masses ( M BH ) in obscured active galactic nuclei (AGN) that uses proxies to measure the FWHM of broad H α (FWHM bH α ) and the accretion disk luminosity at 5100 Å ( λL 5100 Å ). Using a pu…
View article: COSMOS Spectroscopic Redshift Compilation (First Data Release): 488k Redshifts Encompassing Two Decades of Spectroscopy
COSMOS Spectroscopic Redshift Compilation (First Data Release): 488k Redshifts Encompassing Two Decades of Spectroscopy Open
We present the COSMOS Spectroscopic Redshift Compilation encompassing ~ 20 years of spectroscopic redshifts within a 10 deg$^2$ area centered on the 2 deg$^2$ COSMOS legacy field. This compilation contains 487,666 redshifts of 266,284 uniq…
View article: Testing for Intrinsic Type Ia Supernova Luminosity Evolution at z > 2 with JWST
Testing for Intrinsic Type Ia Supernova Luminosity Evolution at z > 2 with JWST Open
The James Webb Space Telescope (JWST) is opening new frontiers of transient discovery and follow-up at high redshift. Here we present the discovery of a spectroscopically confirmed Type Ia supernova (SN Ia; SN 2023aeax) at z = 2.15 with JW…
View article: Automatic Machine Learning Framework to Study Morphological Parameters of AGN Host Galaxies within z < 1.4 in the Hyper Supreme-Cam Wide Survey
Automatic Machine Learning Framework to Study Morphological Parameters of AGN Host Galaxies within z < 1.4 in the Hyper Supreme-Cam Wide Survey Open
We present a composite machine learning framework to estimate posterior probability distributions of bulge-to-total light ratio, half-light radius, and flux for active galactic nucleus (AGN) host galaxies within z < 1.4 and m < 23 in the H…
View article: COSMOS-Web: The Role of Galaxy Interactions and Disk Instabilities in Producing Starbursts at <i>z</i> < 4
COSMOS-Web: The Role of Galaxy Interactions and Disk Instabilities in Producing Starbursts at <i>z</i> < 4 Open
We study of the role of galaxy–galaxy interactions and disk instabilities in producing starburst activity in galaxies out to z = 4. For this, we use a sample of 387 galaxies with robust total star formation rate measurements from Herschel,…
View article: COSMOS-Web: Stellar mass assembly in relation to dark matter halos across 0.2 < <i>z</i> < 12 of cosmic history
COSMOS-Web: Stellar mass assembly in relation to dark matter halos across 0.2 < <i>z</i> < 12 of cosmic history Open
We study the stellar mass assembly of galaxies via the stellar mass function (SMF) and the coevolution with dark matter halos via abundance matching in the largest redshift range to date, 0.2 < z < 12. We used the 0.53 deg 2 imaged by JWST…
View article: The Arp 240 Galaxy Merger: A Detailed Look at the Molecular Kennicutt–Schmidt Star Formation Law on Subkiloparsec Scales
The Arp 240 Galaxy Merger: A Detailed Look at the Molecular Kennicutt–Schmidt Star Formation Law on Subkiloparsec Scales Open
The molecular Kennicutt–Schmidt Law has been key for understanding star formation (SF) in galaxies across all redshifts. However, recent subkiloparsec observations of nearby galaxies reveal deviations from the nearly unity slope ( N ) obta…
View article: Automatic Machine Learning Framework to Study Morphological Parameters of AGN Host Galaxies within $z < 1.4$ in the Hyper Supreme-Cam Wide Survey
Automatic Machine Learning Framework to Study Morphological Parameters of AGN Host Galaxies within $z < 1.4$ in the Hyper Supreme-Cam Wide Survey Open
We present a composite machine learning framework to estimate posterior probability distributions of bulge-to-total light ratio, half-light radius, and flux for Active Galactic Nucleus (AGN) host galaxies within $z<1.4$ and $m<23$ in the H…
View article: COSMOS2020: Disentangling the Role of Mass and Environment in Star Formation Activity of Galaxies at 0.4 < z < 4
COSMOS2020: Disentangling the Role of Mass and Environment in Star Formation Activity of Galaxies at 0.4 < z < 4 Open
The role of internal and environmental factors in the star formation activity of galaxies is still a matter of debate, in particular at higher redshifts. Leveraging the most recent release of the COSMOS catalog, COSMOS2020, as well as dens…
View article: A High-resolution Far-infrared Survey to Probe Black Hole–Galaxy Co-evolution
A High-resolution Far-infrared Survey to Probe Black Hole–Galaxy Co-evolution Open
Far-infrared (FIR) surveys are critical to probing the co-evolution of black holes and galaxies, since of the order of half the light from accreting black holes and active star formation is emitted in the rest-frame IR over 0.5 ≲ z ≲ 10. F…
View article: GOALS-JWST: The Warm Molecular Outflows of the Merging Starburst Galaxy NGC 3256
GOALS-JWST: The Warm Molecular Outflows of the Merging Starburst Galaxy NGC 3256 Open
We present James Webb Space Telescope (JWST) integral-field spectrograph observations of NGC 3256, a local infrared-luminous late-stage merging system with two nuclei roughly 1 kpc apart, both of which have evidence of cold molecular outfl…
View article: Testing for Intrinsic Type Ia Supernova Luminosity Evolution at z>2 with JWST
Testing for Intrinsic Type Ia Supernova Luminosity Evolution at z>2 with JWST Open
The James Webb Space Telescope} (JWST) is opening new frontiers of transient discovery and follow-up at high-redshift. Here we present the discovery of a spectroscopically confirmed Type Ia supernova (SN Ia; SN $2023$aeax) at $z=2.15$ with…
View article: COSMOS2020: Disentangling the Role of Mass and Environment in Star Formation Activity of Galaxies at $0.4
COSMOS2020: Disentangling the Role of Mass and Environment in Star Formation Activity of Galaxies at $0.4 Open
The role of internal and environmental factors in the star formation activity of galaxies is still a matter of debate, particularly at higher redshifts. Leveraging the most recent release of the COSMOS catalog, COSMOS2020, and density meas…