1.1k citations · 3.3k across the 78 of their papers we have counts for
80 papers
Link between the properties of circumgalactic outflows and the recent star formation history of their host galaxies
Ismael Pessa, Lutz Wisotzki, Constanza Muñoz López +8
Galactic outflows play a key role in galaxy evolution, yet their connection to the star formation history of their host galaxies remains poorly constrained. Building on previous wo…
PEGASUS (Pfs Emission-line GAlaxy SUrvey with Subaru): II. Metal Poor AGNs in High Equivalent-Width Narrow-Band Emitters
Hisakazu Uchiyama, Tohru Nagao, Mariko Kubo +19
We present Subaru 'Ōnohi'ula Prime Focus Spectrograph (PFS) optical--NIR spectroscopic follow-up of high-equivalent-width (EW) narrow-band (NB) emission-line galaxies selected from…
Rest-Frame UV and Optical Structural Evolution of Narrowband-Selected Lyman-alpha Emitters at z = 2-7 with JWST/NIRCam
Ronaldo Laishram, Haruka Kusakabe, Satoshi Kikuta +8
We present a systematic study of the rest-frame ultraviolet (UV) and optical morphologies of Ly emitters (LAEs) at - from the SILVERRUSH multi-narrowband catalog,…
PEGASUS (Pfs Emission-line GAlaxy SUrvey with Subaru): I. Three-dimensional large-scale structures at probed with emission-line galaxies
Mariko Kubo, Tadayuki Kodama, Rhythm Shimakawa +16
To comprehensively understand the environmental effects on galaxy evolution, it is crucial to precisely map the distribution and thoroughly examine the properties of galaxies, incl…
Two domains of extended Lyman-alpha emission around galaxies: from local radiation to environmental regulation
Daria Kozlova, Lutz Wisotzki, John Pharo +7
We examine the relation between extended Ly halos around high-redshift galaxies and the main factors responsible for driving the emission in such halos, in particular at distanc…
The Mysterious Case of Iron in XMPs: Anomalous High log(Fe/O) Observed in Extremely Metal-Poor Galaxies HSCJ1631+4426 and SDSSJ0811+4730
Aaron Myszka, Themiya Nanayakkara, Karl Glazebrook +8
We present integral field spectroscopic observations of two local extremely metal-poor galaxies (XMPs), HSCJ1631+4426 and SDSSJ0811+4730, obtained with the Keck Cosmic Web Imager (…
A Compact Proto-group at : A Massive Galaxy Caught in Formation
Ronaldo Laishram, Yusei Koyama, Fengwu Sun +11
We report the discovery of SCGG-z5, a compact galaxy proto-group at in the MACS0416 field, identified from the SAPPHIRES Early Data Release. Six members are spectroscopi…
Lyman-alpha haloes in the aftermath of reionisation
Daniil Smirnov, Lutz Wisotzki, Tanya Urrutia +8
We present a comparative study of Ly haloes (LAHs) around low-luminosity (L erg s) Ly-emitting galaxies (LAEs) at very high redshifts…
Discovery of a Lyman- Emitter Protocluster: Wavelength-Dependent Environmental Effects on Galaxy Structure
Ronaldo Laishram, Yusei Koyama, Haruka Kusakabe +3
We report the discovery of a Lyman-alpha emitter (LAE) protocluster at z = 4.90 in the COSMOS field, comprising four distinct overdensity peaks spanning ~65 x 36 cMpc, with the…
First statistical constraints on galactic scale outflows properties traced by their extended Mg II emission with MUSE
Ismael Pessa, Lutz Wisotzki, Tanya Urrutia +7
Galaxies evolve within vast gaseous halos that fuel star formation and carry signatures of feedback-driven outflows. Deep integral field data have enabled the study of MgII halos,…
Association of cold gas, massive galaxies, and AGNs in a filamentary protocluster traced by triple narrow-band imaging
Kazuki Daikuhara, Tadayuki Kodama, Haruka Kusakabe +13
We investigate galaxy populations in the HS1700+64 protocluster at , characterized by two prominent linear filaments traced by spatially extended Ly blobs. We conducted…
The heart of NGC 5253 as seen with MUSE-NFM: nitrogen enrichment through stellar chemical feedback at parsec scales
Brigitte G. A. Pruijt, Ana Monreal-Ibero, Peter M. Weilbacher +5
NGC 5253 is a nearby (D=3.6 Mpc) Blue Compact Dwarf galaxy, notable for its three massive young super star clusters (SSCs) and nitrogen enrichment. Its similarity to extreme star-f…
No Metallicity Preference in Fast Radio Burst Host Galaxies
Shotaro Yamasaki, Tetsuya Hashimoto, Haruka Kusakabe +1
Fast radio bursts (FRBs) are millisecond-duration extragalactic radio transients of unknown origin, and studying their host galaxies could offer clues to constrain progenitor model…
RIDEN pilot survey: broad-band selection of candidate quasars with extended Lyman- nebulae using CLAUDS-HSC-SSP-DUNES joint data
Rhythm Shimakawa, Satoshi Kikuta, Haruka Kusakabe +5
The Vera C. Rubin Observatory will conduct the Legacy Survey of Space and Time (LSST), delivering deep, multi-band () imaging data across 18,000 square degrees over the nex…
EMPRESS. XV. A New Determination of the Primordial Helium Abundance Suggesting a Moderately Low Value
Hiroto Yanagisawa, Masami Ouchi, Akinori Matsumoto +18
We present a new constraint on the primordial helium abundance, , based on Subaru observations. A major source of uncertainty in previous determination…
Quasar Negative Feedback to Surrounding Galaxies Probed with Ly Emitters and Continuum-Selected Galaxies
Yuta Suzuki, Yoshiki Matsuoka, Satoshi Kikuta +3
We report on the statistical analysis of quasar photoevaporation at by comparing the density of surrounding Ly Emitters (LAEs) and continuum-selected galaxies, based…
Comprehensive JWST+ALMA Study on the Extended Ly Emitters, Himiko and CR7 at : Blue Major Merger Systems in Stark Contrast to Submillimeter Galaxies
Tomokazu Kiyota, Masami Ouchi, Yi Xu +14
We present various properties of two bright extended Ly objects, Himiko and CR7, at thoroughly investigated with JWST/NIRCam photometry, NIRSpec-IFU spectroscopy, and AL…
EMPRESS. X. Spatially resolved mass-metallicity relation in extremely metal-poor galaxies: evidence of episodic star-formation fueled by a metal-poor gas infall
Kimihiko Nakajima, Masami Ouchi, Yuki Isobe +47
Using the Subaru/FOCAS IFU capability, we examine the spatially resolved relationships between gas-phase metallicity, stellar mass, and star-formation rate surface densities (Sigma…
SILVERRUSH. XIV. Lya Luminosity Functions and Angular Correlation Functions from ~20,000 Lya Emitters at z~2.2-7.3 from upto 24 HSC-SSP and CHORUS Surveys: Linking the Post-Reionization Epoch to the Heart of Reionization
Hiroya Umeda, Masami Ouchi, Satoshi Kikuta +11
We present the luminosity functions (LFs) and angular correlation functions (ACFs) derived from 18,960 Ly emitters (LAEs) at over a wide survey area of $\lesssim24 {…
The MUSE Extremely Deep Field: Classifying the Spectral Shapes of Lya Emitting Galaxies
E. Vitte, A. Verhamme, P. Hibon +14
The Hydrogen Lyman-alpha (Lya) line shows a large variety of shapes which is caused by factors at different scales, from the interstellar medium to the intergalactic medium. This w…
A galactic outflow traced by its extended Mg II emission out to a kpc radius in the Hubble Ultra Deep Field with MUSE
Ismael Pessa, Lutz Wisotzki, Tanya Urrutia +12
We report the discovery of a rare Mg II 2796, 2803 doublet emission halo around a star forming galaxy with /M at in deep (9.…
The Intrinsic Distribution of Lyman- Halos
John Pharo, Lutz Wisotzki, Tanya Urrutia +10
The emission and escape of Lyman- photons from star-forming galaxies is determined through complex interactions between the emitted photons and a galaxy's interstellar and circu…
The MUSE eXtremely Deep Field: Detections of circumgalactic SiII* emission at z>~2
Haruka Kusakabe, Valentin Mauerhofer, Anne Verhamme +17
The circumgalactic medium (CGM) serves as a baryon reservoir that connects galaxies to the intergalactic medium and fuels star formation. The spatial distribution of the metal-enri…
Bipolar Outflows out to 10~kpc for Massive Galaxies at Redshift
Yucheng Guo, Roland Bacon, Nicolas F. Bouché +15
Galactic outflows are believed to play a critical role in the evolution of galaxies by regulating their mass build-up and star formation. Theoretical models assumes bipolar shapes…