DS
David J. Sand
astro-ph.HEastro-ph.GAastro-ph.SRastro-ph.COastro-ph.IMastro-phComputer-Aided Designgr-qchep-phOptical Devices
On Valency
published · living versionsW_k32ev6em·v1 · currentpublished
Maximizing Science in the Era of LSST: A Community-Based Study of Needed US Capabilities
with Joan Najita, Beth Willman, Douglas P. Finkbeiner, Ryan J. Foley +46
1 version
W_sbs5vbmv·v1published
W_fur4sf74·v1published
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W_ckhkr7yr·v1published
W_pghu2f8m·v1published
W_w4gfrpzf·v1published
Preprints & journals
323 papers in the corpus · 2002–2026A DECADE of Giants: A catalog of 42,000 optically identified galaxy clusters from 13,000 of the sky2610.24104v1 · D. Anbajagane, C. To, M. Gaido et al.2026 · 0 citationsarXiv
Spectroscopic Confirmation of the Milky Way Satellites Boötes V and Leo Minor I and the LMC Satellite DELVE 2: Three Small Ultra-Faint Dwarf Galaxies2610.07182v1 · W. Cerny, M. Geha, J. D. Simon et al.2026 · 0 citationsarXiv
Nearby Supernova Science in the Era of High Cadence, Deep Time Domain Surveys2609.38304v1 · David J. Sand, Bhagya Subrayan, Conor L. Ransome et al.2026 · 0 citationsarXiv
Early NIR echo and the time variable mass loss history of Type IIn SN 2024kgi2609.25233v1 · Naveen Dukiya, Kuntal Misra, Andrea Pastorello et al.2026 · 0 citationsarXiv
Discovery, Characterization, and Potential Origins of a Stream in the Stellar Halo of Nearby LMC-Mass Galaxy NGC 552609.22071v1 · Benjamin N. Velguth, Burcin Mutlu-Pakdil, Erik Tollerud et al.2026 · 0 citationsarXiv
A Proliferated Space Architecture for Time-Domain Astrophysics2609.12153v1 · Daniel Kocevski (NASA/MSFC), Eric Burns (LSU), Thomas Barclay (NASA/GSFC) et al.2026 · 0 citationsarXiv
SN 2021pfs: A Type Ia Supernova Likely Affected by Progenitor Metallicity, as Revealed by Comparison with Its Twin Counterpart2608.19929v2 · Abdusamatjan Iskandar, Xiaofeng Wang, Ali Esamdin et al.2026 · 0 citationsScience China Physics, Mechanics & Astronomy, 2026, Volume 69, Issue 9, id.299511
A JWST/MIRI Study of Dust in a Sample of Normal Type IIP Core Collapse Supernovae2608.16979v1 · Bhagya M. Subrayan, David J. Sand, Olivia Culbert et al.2026 · 0 citationsarXiv
No Evidence for Nearby Circumstellar Material in the Type Ia Supernova 2025rbs2608.13655v1 · Aravind P. Ravi, Griffin Hosseinzadeh, Stefano Valenti et al.2026 · 0 citationsarXiv
JWST Spectroscopy of Type Ia Supernova 2025rbs from Maximum Light to the Nebular Phase2608.10451v1 · Lindsey A. Kwok, St'ephane Blondin, Adam A. Miller et al.2026 · 0 citationsarXiv
Wild behaviour near the finish line: the Type Ibn SN 2020able and its stratified environment2608.07661v1 · L. Tartaglia, E. Cappellaro, G. Valerin et al.2026 · 0 citationsarXiv
Evidence for the first globular cluster stellar stream beyond the Milky Way.42587152 · Holm, Julie Kiel, Pearson, Sarah, Nibauer, Jacob et al.2026 · 0 citationsNature. 2026;656(8129):843-847
4th TDAMM Workshop White Paper2607.22404v1 · Daniel Kocevski, Raffaella Margutti, Michael Coughlin et al.2026 · 0 citationsarXiv
Ultraviolet to Infrared Spectroscopy of the Type Ibn SN 2023tsz Suggests a Lower-mass Progenitor2607.15342v1 · Sergiy S. Vasylyev, Griffin Hosseinzadeh, Luc Dessart et al.2026 · 0 citationsarXiv
Evidence for Asymmetric Ejecta and Circumstellar Material in SN 2023ixf Inferred from Extensive Nebular-phase Observations2607.02859v1 · Brian Hsu, Nathan Smith, K. Azalee Bostroem et al.2026 · 0 citationsarXiv
JWST Observations of Calcium-Strong Transients: I. Complex Nebular He Emission in SN 2024uj2607.00111v1 · Saarah Hall, Lindsey A. Kwok, Aravind P. Ravi et al.2026 · 0 citationsarXiv
SN 2023rve: A Type II Supernova with No Nebular Oxygen2606.30979v3 · Melissa Rosowsky, Stefano Valenti, Aravind P. Ravi et al.2026 · 0 citationsarXiv
JWST observations of SN 2024abup: First Detection of CO in a broad-lined Type Ic Supernova and Constraints on r-process Nucleosynthesis2606.28561v1 · Manisha Shrestha, Lindsey A. Kwok, David J. Sand et al.2026 · 0 citationsarXiv
Deep Imaging of Grus II and Horologium II: Structure and Extent of Two Ultra-Faint Milky Way Satellites2606.25058v1 · Deepthi S. Prabhu, David J. Sand, Anirudh Chiti et al.2026 · 0 citationsarXiv
First Results from the LSST Shadow Survey: The Restless Luminous Blue Variable AT2017des in the Virgo-Cluster Galaxy, NGC45322606.23784v1 · Conor L. Ransome, Bhagya M. Subrayan, David J. Sand et al.2026 · 0 citationsarXiv
Discovery and Spectroscopic Characterization of a Distant, Compact Milky Way Satellite in Gemini2606.09975v1 · K. Overdeck, W. Cerny, C. Y. Tan et al.2026 · 0 citationsarXiv
The DECam MAGIC Survey Mapping the Ancient Galaxy in CaHK: Overview and Summary of Early Science2605.26581v1 · A. Chiti, A. Drlica-Wagner, A. B. Pace et al.2026 · 1 citationarXiv
Early interaction signatures and an extended plateau phase in Type II SN 2020aze2605.06313v1 · B. Ailawadhi, R. Dastidar, K. Misra et al.2026 · 0 citationsarXiv
The Eye of Sauron in SN 2025ngs: a Short-plateau Cousin of SN 1998S with Evidence for a Ring-like Circumstellar Medium2605.05380v1 · Conor L. Ransome, David J. Sand, K. Azalee Bostroem et al.2026 · 0 citationsarXiv
Las Cumbres Observatory Gravitational-Wave Follow-up in the Third and Fourth Observing Runs: Strengths and Weaknesses of a Rapid Response Galaxy Targeted Strategy2604.15129v2 · Ido Keinan, Iair Arcavi, D. Andrew Howell et al.2026 · 0 citationsThe Astrophysical Journal, Volume 1004 (2026), Number 2
JWST Nebular Spectroscopy of SN 2023qov: Circumstellar Dust Emission in a Normal Type Ia Supernova2604.09777v2 · Colin W. Macrie, Conor Larison, Huei Sears et al.2026 · 0 citations2026 ApJ 1009 241
ID-MAGE II: The Star Forming Satellites of Low-Mass Hosts2603.18973v3 · Laura Congreve Hunter, Burcin Mutlu-Pakdil, Michael B. Farnell et al.2026 · 0 citationsarXiv
Search For a Counterpart to the Subsolar Mass Gravitational Wave Candidate S251112cm2603.17009v2 · Nicholas Vieira, Noah Franz, Bhagya Subrayan et al.2026 · 1 citationarXiv
The extremely low-luminosity Type Iax SNe 2022ywf and 2023zgx2602.23175v1 · Barnab'as Barna, Dominik B'anhidi, Tam'as Szalai et al.2026 · 0 citationsA&A 710, A72 (2026)
The DECam MAGIC Survey: Uncovering the Tidal Tails of the Crater II Dwarf Galaxy2602.21283v2 · Kaia R. Atzberger, Andrew B. Pace, Nitya Kallivayalil et al.2026 · 0 citationsarXiv
A Faint Progenitor System for the Faint Supernova 2024vjm2602.09096v2 · Erez A. Zimmerman, Avishay Gal-Yam, Paul J. Groot et al.2026 · 0 citationsarXiv
An infrared echo from a circumstellar disk in the hydrogen- and helium-poor SN 2024aecx2602.02691v2 · Samaporn Tinyanont, Kittipong Wangnok, Jennifer E. Andrews et al.2026 · 2 citationsarXiv
A multiwavelength view of the nearby Calcium-Strong Transient SN 2025coe in the X-Ray, Near-Infrared, and Radio Wavebands2601.19018v2 · Sahana Kumar, Raphael Baer-Way, Aravind P. Ravi et al.2026 · 0 citationsThe Astrophysical Journal, July 2026, Volume 1005, Issue 1, id.98
SN 2023zcu: A Type IIP SN with Early Flash Features2601.14830v1 · Monalisa Dubey, Kuntal Misra, G'eza Csornyei et al.2026 · 1 citationarXiv
Blobs and Blurs: A Citizen Science-Identified Catalog of Diffuse Galaxies in the Fornax Cluster2601.11715v1 · Nicolas Mazziotti, Michael G. Jones, Donghyeon J. Khim et al.2026 · 0 citationsarXiv
The fate of the failed supernova candidate M31-2014-DS12601.05317v1 · Emma R. Beasor, Nathan Smith, Jeniveve Pearson et al.2026 · 2 citationsarXiv
SN 2024abfl: A Flat-Plateau, Low-Luminosity Type IIP Supernova with Early CSM Interaction2601.02638v1 · Madison Gerard, Jennifer E. Andrews, Geoffrey C. Clayton et al.2026 · 0 citationsarXiv
The Lazuli Space Observatory: Architecture & Capabilities2601.02556v2 · Arpita Roy, Stuart Feldman, Pete Klupar et al.2026 · 1 citationarXiv
The Double-Peaked Calcium-Strong SN 2025coe: Progenitor Constraints from Early Interaction and Ejecta Asymmetries2601.00415v2 · Aravind P. Ravi, Sahana Kumar, Raphael Baer-Way et al.2026 · 2 citationsarXiv
SEAMLESS Survey: Four Faint Dwarf Galaxies Tracing Low-Mass Galaxy Evolution Across Environments2512.02118v1 · Catherine E. Fielder, Michael G. Jones, David J. Sand et al.2025 · 0 citationsarXiv
The Type Ia Supernova 2021hem: A 2003fg-like Event in an Apparently Hostless Environment2511.07529v2 · Subhash Bose, M.D. Stritzinger, A. Malmgaard et al.2025 · 2 citationsarXiv
SN 2024iss: A Double-peaked Type IIb Supernova with Evidence of Circumstellar Interaction2510.22997v1 · Liyang Chen, Xiaofeng Wang, Qinyu Wu et al.2025 · 2 citationsA&A 710, A33 (2026)
Optimizing Kilonova Searches: A Case Study of the Type IIb SN 2025ulz in the Localization Volume of the Low-Significance Gravitational Wave Event S250818k2510.17104v2 · Noah Franz, Bhagya Subrayan, Charles D. Kilpatrick et al.2025 · 10 citationsarXiv
Ultra-Faint Milky Way Satellites Discovered in Carina, Phoenix, and Telescopium with DELVE Data Release 32510.11684v2 · C. Y. Tan, W. Cerny, A. B. Pace et al.2025 · 3 citationsApJ 1000, 46 (2026)
JWST Spectroscopy of SN Ia 2022aaiq and 2024gy: Evidence for Enhanced Central Stable Ni Abundance and a Deflagration-to-Detonation Transition2510.09760v3 · Lindsey A. Kwok, Chang Liu, Saurabh W. Jha et al.2025 · 2 citationsarXiv
A DECADE of dwarfs: first detection of weak lensing around spectroscopically confirmed low-mass galaxies2509.20458v1 · Chun-Hao To, Chihway Chang, Dhayaa Anbajagane et al.2025 · 0 citationsarXiv
Hubble Space Telescope Imaging of Three Isolated Faint Dwarf Galaxies Beyond the Local Group: Pavo, Corvus A, and Kamino2509.16307v1 · Burcin Mutlu-Pakdil, Michael G. Jones, David J. Sand et al.2025 · 3 citationsarXiv
Dichotomy in Long-Lived Radio Emission from Tidal Disruption Events AT 2020zso and AT 2021sdu: Multi-Component Outflows vs. Host Contamination2509.14317v1 · Collin T. Christy, Kate D. Alexander, Tanmoy Laskar et al.2025 · 1 citationarXiv
DELVE Milky Way Satellite Galaxy Census I: Satellite Population and Survey Selection Function in DES, DELVE, and Pan-STARRS2509.12313v2 · C. Y. Tan, A. Drlica-Wagner, A. B. Pace et al.2025 · 5 citationsApJ 1000, 87 (2026)
DECADE+DES Y3 Weak Lensing Mass Map: A 13,000 deg View of Cosmic Structure from 270 Million Galaxies2509.03798v1 · M. Gatti, D. Anbajagane, C. Chang et al.2025 · 2 citationsarXiv
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