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Accepted proposals for Semester S23B

The Call for Proposals for Semester S23B received 119 submitted proposals for the Normal Programs requesting a total of 237.87 nights.
After screening by TAC, 92.6 (including 10 ToO) nights were allocated to the following 56 proposals.
In addition, 17.5 nights are assigned to IRD SSP Project, 4.0 nights are assigned to Service Program observations and 18.9 nights are assigned to three on-going Intensive Programs: S20B-097I(3.5 nights), S21A-114I(2.9 nights), S23A-067(12.5 nights).

ID PI Proposal Title Inst Nts
S23B-001 Yuichi Harikane Black hole masses and accretion rates for radio-loud quasars at z > 6 MOIRCS 1.0
S23B-003 Jian Jiang Fast Transients from the New Generation East Asian Time-domain Network FOCAS 1 ToO
S23B-004 Nozomu Tominaga High-cadence transient survey: Variations of last moment of massive stars HSC & GMOS(Gemini-N) 3+2
S23B-005 Jun Hashimoto Characterizing the Accreting Protoplanet AB Aur b OSIRIS+NGS-AO(Keck) 1.0
S23B-007 Nobunari Kashikawa A Massive Protocluster at z~3 Revealed with Light and Shadow FOCAS 3.0
S23B-008 Taichi Uyama Identifying the hydrogen emissions from the protoplanet AB Aur b (resub) VAMPIRES+SCExAO+NGS-AO 0.5
S23B-011 Miho Ishigaki HDS follow-up of dynamically informative Very Metal-Poor Stars HDS 3.0
S23B-012 Shogo Nishiyama Testing Local Position Invariance as a Premise of General Relativity NIRSPEC+LGS-AO(Keck) 1.0
S23B-014 Michitoshi Yoshida Optical-infrared follow-up observations of gravitational wave sources HSC/ FOCAS/ MOIRCS/IRCS/HDS 5 ToO
S23B-015 Takashi Moriya Exploring the long-timescale transient frontier with HSC at SXDS: Season 4 HSC-Q 0.9
S23B-017 Shigeo Kimura Search for Optical Counterparts of Cosmic High-Energy Neutrinos HSC & GMOS(Gemini-N) 2 ToO + 0.5
S23B-022 Nobunari Kashikawa Subaru meets JWST: Simultaneous measurement of Hα and Lyα HSC-Q 2.4
S23B-025 Kohki Uno Constraining on Radiation Mechanisms of Optical/UV TDEs with Polarimetry FOCAS 1 ToO
S23B-027 Rieko Momose Pilot study for Lyα emitter overdensity and ionized bubble searches HSC-Q 2.5
S23B-029 Thayne Currie Characterizing the Planetary System Around AB Aurigae CHARIS+SCExAO+NGS-AO 0.5
S23B-031 Fumi Yoshida Formation of the Outer Solar System - an Icy Legacy: Phase II (FOSSIL II) HSC 1.0
S23B-037 Thayne Currie Second-Epoch Confirmation of New Directly-Imaged Planet Candidates CHARIS+SCExAO+NGS-AO 1.5
S23B-038 Tadayuki Kodama Identification of the first RUBY; an ultra-massive quiescent galaxy at z~5 MOIRCS 2.0
S23B-040 Tadafumi Matsuno Systematic survey of bright, extremely metal-poor stars HDS 1.0
S23B-045 Wako Aoki Nitrogen abundances in unevolved very metal-poor stars HDS 1.0
S23B-047 Tomoki Morokuma Accretion Rate and Host Galaxy of a Quasar with A-Factor-Of-100 Decline MOIRCS 0.5
S23B-048 Nanae Domoto NIR spectroscopy of chemically peculiar stars as laboratory for kilonova spectra IRD+NGS-AO 0.5
S23B-049 Hideki Umehata Uncovering stellar mass assembly in giant LABs with MOIRCS/ALMA MOIRCS 1.0
S23B-050 Takahiro Kanai A NIR Spectroscopic Confirmation of Very-low Mass Objects in NGC2068/71 MOIRCS 1.0
S23B-054 Kei Ito Nature of the quiescent protocluster at z = 3.0 revealed by Keck and JWST MOSFIRE(Keck) 2.0
S23B-055 YenTing Lin Are ultra-diffuse galaxies remnants of high-speed galaxy collisions? HSC-Q 0.9
S23B-056 Satoshi Yamanaka Dual NB emitters: A new wide-field search for high-z faint AGNs FOCAS 1.5
S23B-057 Kenneth Wong Spectroscopy of Lensed Quasars for Time-Delay Cosmography FOCAS 1.0
S23B-059 Ronaldo Laishram Unveiling the nature of galaxies in an ultra-deep field with triple NB filters HSC-Q 0.9
S23B-063 Masato Onodera Star formation in a cluster fed by the cold-mode gas accretion at z=2.5 MOIRCS 1.0
S23B-064 Ayumi Takahashi The BAL fraction of high-z and low-luminosity quasars MOIRCS 2.0
S23B-068 Rikako Ishimoto Detecting gas reservoirs around the first rapidly growing SMBHs at z~6 FOCAS 3.0
S23B-070 Hideyo Kawakita Secular Variation of Activity and Chemisty in Comet 103P/Hartley 2 NIRSPEC(Keck) & IRCS+NGS-AO 1+1
S23B-071 Tomoyuki Kudo Water ice mapping in Protoplanetary Disks by TIR Polarization Imaging IRCS+NGS-AO 3.0
S23B-072 Itsuki Ogami Investigating the nature of M33 stellar halo using HSC deep photometry HSC-Q 4.3
S23B-073 Stevanus Kristianto Nugroho 3D Atmosphere of an Ultra-hot Jupiter IRD+NGS-AO 1.5
S23B-074 Keiichi Maeda Close Look at Interacting SNe: Unveiling the Final Activity of Massive Stars HDS 1.0
S23B-076 Ronaldo Laishram Cosmic Web: Probing the Overdense Filamentary Structure at z~1.5 MOIRCS 1.5
S23B-080 Koki Kakiichi Narrow-band IGM tomography with Subaru/HSC at z~5 in the COSMOS field HSC-Q 1.6
S23B-081 Huanyu Teng Rossiter-Mclaughlin Effect of TESS candidates Orbiting Evolved Stars HDS 2.0
S23B-083 Takanori Sakamoto Short GRBs as a Key to Understand Population of Merging Neutron Stars IRCS+NGS-AO/FOCAS/HSC 1 ToO
S23B-085 Jun Toshikawa Mapping out the cosmic web and the physical conditions of Lyα emitters FOCAS 2.0
S23B-086 Jose Manuel Perez-Martinez Revealing hidden type 2 AGNs in the maturing Spiderweb protocluster MOIRCS 1.0
S23B-091 Yui Kasagi Exploring the Multiplicity of Benchmark Brown Dwarfs IRD+NGS-AO 2.0
S23B-092 Hiddo Algera A Resolved View of Reionization through IFU Lyman-α Spectroscopy FOCAS 2.0
S23B-097 Masafusa Onoue Full Census of Active Supermassive Black Holes at z=7 II MOIRCS 2.0
S23B-099 Akinori Matsumoto Determining the Primordial 4He Abundance for Cosmology and Particle Physics MOIRCS 4.0
S23B-102 Masayuki Kuzuhara Deep Direct Imaging of Candidate Planets around Young Sun-like Stars CHARIS+SCExAO+NGS-AO 1.5
S23B-103 Nao Suzuki Spectroscopic Follow-up of HSC-HST Observed Type Ia Supernovae FOCAS 1.0
S23B-105 Hironao Miyatake The Local Volume Complete Cluster Survey by Subaru HSC HSC-Q 1.6
S23B-106 Jun Hashimoto Calibration of Chemical Characterization in Planet Atmosphere IRCS+LGS-AO & IRCS+NGS-AO 1.5
S23B-113 Mitsuru Kokubo Variability-based AGN selection with extended SXDS time-domain survey HSC-Q 0.7
S23B-114 Patryk Sofia Lykawka An Ultra-Deep Recovery of New Neptune Moons HSC 0.3
S23B-116 Shenli Tang Probing Mg absorbers in the close (< 20 kpc) vicinity of quasars GMOS(Gemini-N) & FOCAS 0.5+0.5
S23B-117 Yongming Liang Interplay between the Most Extremely Concentrated Quasars and Galaxies MOIRCS 1.0
S23B-119 Hiroyuki Ishikawa Chemical Analysis Verification of Late-M Dwarfs by Binaries with FGK dwarfs IRD+NGS-AO 1.0

The instruments and nights written in italics are those of Gemini or Keck Telescopes, with which we have time-exchange programs.

Neither the service programme nor the backup programme has been run in S23B.

updated on June 20, 2024