Open Access Policy Deposits

eScholarship stats: History by Item for May through August, 2026

Item	Title	Total requests	2026-08	2026-07	2026-06	2026-05
9j80t4m1	The 16th Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra	906	154	246	262	244
2qw2m22g	The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar, and APOGEE-2 Data	408	89	117	109	93
4058w3z1	Final Targeting Strategy for the Sloan Digital Sky Survey IV Apache Point Observatory Galactic Evolution Experiment 2 North Survey	383	71	100	105	107
5qs0n1bc	Innovations and advances in instrumentation at the W. M. Keck Observatory, vol. III	354	74	71	89	120
7zs2q9fv	Inferring the intergalactic medium neutral fraction at z ∼ 6–8 with low-luminosity Lyman break galaxies	270	56	48	66	100
77f6c5hq	SDSS-IV MaNGA: How the Stellar Populations of Passive Central Galaxies Depend on Stellar and Halo Mass	261	57	75	81	48
11f44236	THE DEEP2 GALAXY REDSHIFT SURVEY: DESIGN, OBSERVATIONS, DATA REDUCTION, AND REDSHIFTS**Based on observations taken at the W. M. Keck Observatory, which is operated jointly by the University of California and the California Institute of Technology, and on observations made with the NASA/ESO Hubble Space Telescope, obtained from the data archives at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS5-26555, and from the Canadian Astronomy Data Centre.	255	49	44	59	103
4d77d3hk	The HETDEX Instrumentation: Hobby–Eberly Telescope Wide-field Upgrade and VIRUS	252	51	70	66	65
9fp0m8s1	The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA-derived Quantities, Data Visualization Tools, and Stellar Library	246	36	61	64	85
0v44n629	Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe	202	83	13	41	65
7h46n1q2	Lick Observatory Supernova Search follow-up program: photometry data release of 93 Type Ia supernovae	201	29	50	68	54
38s3v07s	The Hobby–Eberly Telescope Dark Energy Experiment (HETDEX) Survey Design, Reductions, and Detections* * Based on observations obtained with the Hobby–Eberly Telescope, which is a joint project of the University of Texas at Austin, the Pennsylvania State University, Ludwig-Maximilians-Universität München, and Georg-August-Universität Göttingen.	181	20	59	49	53
1pm0r30z	The Keck/DEIMOS Stellar Archive. I. Uniform Velocities and Metallicities for 78 Milky Way Dwarf Galaxies and Globular Clusters	177	52	23	25	77
1j62j00j	PypeIt: The Python Spectroscopic Data Reduction Pipeline	172	28	30	33	81
8646z73c	Improved Cosmological Constraints from New, Old, and Combined Supernova Data Sets	165	16	19	59	71
90d3n6hc	Structural and Star-forming Relations since z similar to 3: Connecting Compact Star-forming and Quiescent Galaxies	161	42	16	26	77
9j94n9g9	Analysis of Neptune’s 2017 bright equatorial storm	147	45	14	23	65
5616n854	The Draco Dwarf Spheroidal Galaxy in the First Year of Dark Energy Spectroscopic Instrument Data	144	20	15	24	85
7m06d2jp	GTC Follow-up Observations of Very Metal-poor Star Candidates from DESI	142	13	11	45	73
2mv66329	Space Telescope and Optical Reverberation Mapping Project. XII. Broad-line Region Modeling of NGC 5548	137	48	13	20	56
1qh5b3v0	Commissioning ShARCS: the Shane Adaptive optics infraRed Camera-Spectrograph for the Lick Observatory 3-m telescope	134	43	16	30	45
0734s9bj	SATELLITE QUENCHING AND GALACTIC CONFORMITY AT 0.3 < z < 2.5* * This paper includes data gathered with the 6.5 meter Magellan Telescopes located at Las Campanas Observatory, Chile.	131	18	12	31	70
21g9j2dv	Keck adaptive secondary mirror overview	131	21	15	31	64
0d12843b	Space Telescope and Optical Reverberation Mapping Project. V. Optical Spectroscopic Campaign and Emission-line Analysis for NGC 5548	130	19	11	29	71
6d71m0bj	The Sloan Digital Sky Survey quasar catalog: tenth data release	128	32	24	31	41
44b7j2bq	The Lick AGN Monitoring Project 2016: Velocity-resolved Hβ Lags in Luminous Seyfert Galaxies	121	24	14	28	55
2pj2g2h0	THE LICK AGN MONITORING PROJECT 2011: SPECTROSCOPIC CAMPAIGN AND EMISSION-LINE LIGHT CURVES	120	27	22	27	44
9g73718t	Space Telescope and Optical Reverberation Mapping Project. VII. Understanding the Ultraviolet Anomaly in NGC 5548 with X-Ray Spectroscopy	116	16	16	30	54
00r9191z	A candidate super-Earth planet orbiting near the snow line of Barnard’s star	110	6	28	23	53
92r7x51m	The Type Ia Supernova 1999aw: A Probable 1999aa-like Event in a Low-Luminosity Host Galaxy	110	26	11	22	51
1844r5rs	SUB-KILOPARSEC ALMA IMAGING OF COMPACT STAR-FORMING GALAXIES AT z ∼ 2.5: REVEALING THE FORMATION OF DENSE GALACTIC CORES IN THE PROGENITORS OF COMPACT QUIESCENT GALAXIES	109	25	12	20	52
1725d2v2	The size and pervasiveness of Ly α–UV spatial offsets in star-forming galaxies at z ∼ 6	107	14	16	27	50
1h21b72k	Space Telescope and Optical Reverberation Mapping Project. VIII. Time Variability of Emission and Absorption in NGC 5548 Based on Modeling the Ultraviolet Spectrum	105	14	16	20	55
8v69h64n	The detection of intergalactic H α emission from the Slug Nebula at z ∼ 2.3	103	20	10	28	45
1f8401t6	IMPROVED STANDARDIZATION OF TYPE II-P SUPERNOVAE: APPLICATION TO AN EXPANDED SAMPLE	99	20	11	27	41
53h6n2s0	REVERBERATION MAPPING OF THE KEPLER FIELD AGN KA1858+4850	92	29	8	25	30
5n19f64n	Stability of the Broad-line Region Geometry and Dynamics in Arp 151 Over Seven Years	92	12	9	33	38
9n74h9fq	Performance of Kitt Peak’s Mayall 4-meter telescope during DESI commissioning	90	23	20	22	25
5mc2h72z	Space Telescope and Optical Reverberation Mapping Project. IX. Velocity–Delay Maps for Broad Emission Lines in NGC 5548	89	15	6	34	34
0w29b2rv	EVOLUTION OF INTRINSIC SCATTER IN THE SFR–STELLAR MASS CORRELATION AT 0.5 < z < 3	88	18	6	14	50
16x0j072	Deep ugrizY imaging and DEEP2/3 spectroscopy: a photometric redshift testbed for LSST and public release of data from the DEEP3 Galaxy Redshift Survey	88	8	6	26	48
2jg8m6t2	STELLAR MASS–GAS-PHASE METALLICITY RELATION AT 0.5 ≤ z ≤ 0.7: A POWER LAW WITH INCREASING SCATTER TOWARD THE LOW-MASS REGIME	84	17	13	36	18
8ff3d7x3	Effects of Stellar Feedback on Stellar and Gas Kinematics of Star-forming Galaxies at 0.6 < z < 1.0	83	10	11	12	50
54d8z4h9	CANDELS Multi-wavelength Catalogs: Source Identification and Photometry in the CANDELS Extended Groth Strip	80	11	12	13	44
3rt576z3	The Lick AGN Monitoring Project 2016: Dynamical Modeling of Velocity-Resolved H\b{eta} Lags in Luminous Seyfert Galaxies	79	13	6	19	41
5st188ws	The Lick AGN Monitoring Project 2016: Dynamical Modeling of Velocity-resolved Hβ Lags in Luminous Seyfert Galaxies	79	13	12	15	39
7kn6z3zw	HALO7D II: The Halo Velocity Ellipsoid and Velocity Anisotropy with Distant Main-sequence Stars	78	12	10	29	27
20s178w7	Three’s Company: An Additional Non-transiting Super-Earth in the Bright HD 3167 System, and Masses for All Three Planets	76	24	7	19	26
2531p63m	Searching for exoplanets using a microresonator astrocomb	75	10	12	15	38
899861jd	BROAD-LINE REVERBERATION IN THE KEPLER-FIELD SEYFERT GALAXY Zw 229-015	74	6	9	22	37

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