Open Access Policy Deposits

eScholarship stats: History by Item for July through October, 2026

Item	Title	Total requests	2026-10	2026-09	2026-08	2026-07
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	610	79	131	154	246
2qw2m22g	The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar, and APOGEE-2 Data	563	245	112	89	117
4058w3z1	Final Targeting Strategy for the Sloan Digital Sky Survey IV Apache Point Observatory Galactic Evolution Experiment 2 North Survey	408	173	64	71	100
4d77d3hk	The HETDEX Instrumentation: Hobby–Eberly Telescope Wide-field Upgrade and VIRUS	365	165	79	51	70
9fp0m8s1	The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA-derived Quantities, Data Visualization Tools, and Stellar Library	360	167	96	36	61
77f6c5hq	SDSS-IV MaNGA: How the Stellar Populations of Passive Central Galaxies Depend on Stellar and Halo Mass	328	163	33	57	75
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.	302	165	58	20	59
5qs0n1bc	Innovations and advances in instrumentation at the W. M. Keck Observatory, vol. III	290	78	67	74	71
7h46n1q2	Lick Observatory Supernova Search follow-up program: photometry data release of 93 Type Ia supernovae	283	153	51	29	50
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.	214	71	50	49	44
0v44n629	Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe	207	65	46	83	13
7zs2q9fv	Inferring the intergalactic medium neutral fraction at z ∼ 6–8 with low-luminosity Lyman break galaxies	195	44	47	56	48
1pm0r30z	The Keck/DEIMOS Stellar Archive. I. Uniform Velocities and Metallicities for 78 Milky Way Dwarf Galaxies and Globular Clusters	156	39	42	52	23
90d3n6hc	Structural and Star-forming Relations since z similar to 3: Connecting Compact Star-forming and Quiescent Galaxies	137	40	39	42	16
9j94n9g9	Analysis of Neptune’s 2017 bright equatorial storm	133	40	34	45	14
1j62j00j	PypeIt: The Python Spectroscopic Data Reduction Pipeline	130	47	25	28	30
2mv66329	Space Telescope and Optical Reverberation Mapping Project. XII. Broad-line Region Modeling of NGC 5548	129	39	29	48	13
5mc2h72z	Space Telescope and Optical Reverberation Mapping Project. IX. Velocity–Delay Maps for Broad Emission Lines in NGC 5548	127	37	69	15	6
6d71m0bj	The Sloan Digital Sky Survey quasar catalog: tenth data release	125	37	32	32	24
1524x8cw	Signatures of a Tidally Induced Spiral Arm at the Anticenter of the Milky Way and a Kinematically Extended Anticenter Stream Using DESI Data Release 2	113	50	29	34
44b7j2bq	The Lick AGN Monitoring Project 2016: Velocity-resolved Hβ Lags in Luminous Seyfert Galaxies	111	36	37	24	14
5616n854	The Draco Dwarf Spheroidal Galaxy in the First Year of Dark Energy Spectroscopic Instrument Data	110	33	42	20	15
1qh5b3v0	Commissioning ShARCS: the Shane Adaptive optics infraRed Camera-Spectrograph for the Lick Observatory 3-m telescope	104	30	15	43	16
21g9j2dv	Keck adaptive secondary mirror overview	104	43	25	21	15
2jg8m6t2	STELLAR MASS–GAS-PHASE METALLICITY RELATION AT 0.5 ≤ z ≤ 0.7: A POWER LAW WITH INCREASING SCATTER TOWARD THE LOW-MASS REGIME	93	43	20	17	13
9n74h9fq	Performance of Kitt Peak’s Mayall 4-meter telescope during DESI commissioning	89	21	25	23	20
20s178w7	Three’s Company: An Additional Non-transiting Super-Earth in the Bright HD 3167 System, and Masses for All Three Planets	88	32	25	24	7
8646z73c	Improved Cosmological Constraints from New, Old, and Combined Supernova Data Sets	87	35	17	16	19
8v69h64n	The detection of intergalactic H α emission from the Slug Nebula at z ∼ 2.3	87	29	28	20	10
92r7x51m	The Type Ia Supernova 1999aw: A Probable 1999aa-like Event in a Low-Luminosity Host Galaxy	85	27	21	26	11
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.	84	28	26	18	12
1f8401t6	IMPROVED STANDARDIZATION OF TYPE II-P SUPERNOVAE: APPLICATION TO AN EXPANDED SAMPLE	83	30	22	20	11
2531p63m	Searching for exoplanets using a microresonator astrocomb	82	39	21	10	12
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	81	20	24	25	12
5st188ws	The Lick AGN Monitoring Project 2016: Dynamical Modeling of Velocity-resolved Hβ Lags in Luminous Seyfert Galaxies	79	23	31	13	12
0d12843b	Space Telescope and Optical Reverberation Mapping Project. V. Optical Spectroscopic Campaign and Emission-line Analysis for NGC 5548	78	22	26	19	11
1725d2v2	The size and pervasiveness of Ly α–UV spatial offsets in star-forming galaxies at z ∼ 6	78	21	27	14	16
74d8z25d	MSA-3D: Dissecting Galaxies at z ∼ 1 with High Spatial and Spectral Resolution	78	35	17	12	14
0w29b2rv	EVOLUTION OF INTRINSIC SCATTER IN THE SFR–STELLAR MASS CORRELATION AT 0.5 < z < 3	75	27	24	18	6
5n19f64n	Stability of the Broad-line Region Geometry and Dynamics in Arp 151 Over Seven Years	74	26	27	12	9
53h6n2s0	REVERBERATION MAPPING OF THE KEPLER FIELD AGN KA1858+4850	73	21	15	29	8
2pj2g2h0	THE LICK AGN MONITORING PROJECT 2011: SPECTROSCOPIC CAMPAIGN AND EMISSION-LINE LIGHT CURVES	71	12	10	27	22
54d8z4h9	CANDELS Multi-wavelength Catalogs: Source Identification and Photometry in the CANDELS Extended Groth Strip	70	27	20	11	12
9g73718t	Space Telescope and Optical Reverberation Mapping Project. VII. Understanding the Ultraviolet Anomaly in NGC 5548 with X-Ray Spectroscopy	68	24	12	16	16
1h21b72k	Space Telescope and Optical Reverberation Mapping Project. VIII. Time Variability of Emission and Absorption in NGC 5548 Based on Modeling the Ultraviolet Spectrum	67	21	16	14	16
7kn6z3zw	HALO7D II: The Halo Velocity Ellipsoid and Velocity Anisotropy with Distant Main-sequence Stars	65	25	18	12	10
899861jd	BROAD-LINE REVERBERATION IN THE KEPLER-FIELD SEYFERT GALAXY Zw 229-015	63	30	18	6	9
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	61	29	18	8	6
7m06d2jp	GTC Follow-up Observations of Very Metal-poor Star Candidates from DESI	60	19	17	13	11
00r9191z	A candidate super-Earth planet orbiting near the snow line of Barnard’s star	56	12	10	6	28

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